2737 lines
89 KiB
Java
2737 lines
89 KiB
Java
/* DatabaseMetaData.java -- Information about the database itself.
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Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.sql;
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/**
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* This interface provides a mechanism for obtaining information about
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* the database itself, as opposed to data in it.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface DatabaseMetaData
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{
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/**
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* The best row may or may not be a pseudo-column.
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*/
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public static final int bestRowUnknown = 0;
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/**
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* The best row identifier is not a pseudo-column.
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*/
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public static final int bestRowNotPseudo = 1;
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/**
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* The best row identifer is a pseudo-column.
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*/
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public static final int bestRowPseudo = 2;
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/**
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* The best row's scope is only guaranteed to be valid so long as the
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* row is actually being used.
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*/
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public static final int bestRowTemporary = 0;
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/**
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* The best row identifer is valid to the end of the transaction.
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*/
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public static final int bestRowTransaction = 1;
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/**
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* The best row identifer is valid to the end of the session.
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*/
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public static final int bestRowSession = 2;
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/**
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* It is unknown whether or not the procedure returns a result.
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*/
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public static final int procedureResultUnknown = 0;
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/**
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* The procedure does not return a result.
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*/
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public static final int procedureNoResult = 1;
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/**
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* The procedure returns a result.
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*/
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public static final int procedureReturnsResult = 2;
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/**
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* The column type is unknown.
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*/
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public static final int procedureColumnUnknown = 0;
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/**
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* The column type is input.
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*/
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public static final int procedureColumnIn = 1;
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/**
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* The column type is input/output.
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*/
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public static final int procedureColumnInOut = 2;
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/**
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* The column type is output
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*/
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public static final int procedureColumnOut = 4;
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/**
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* The column is used for return values.
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*/
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public static final int procedureColumnReturn = 5;
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/**
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* The column is used for storing results
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*/
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public static final int procedureColumnResult = 3;
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/**
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* NULL values are not allowed.
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*/
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public static final int procedureNoNulls = 0;
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/**
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* NULL values are allowed.
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*/
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public static final int procedureNullable = 1;
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/**
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* It is unknown whether or not NULL values are allowed.
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*/
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public static final int procedureNullableUnknown = 2;
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/**
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* The column does not allow NULL
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*/
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public static final int columnNoNulls = 0;
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/**
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* The column does allow NULL
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*/
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public static final int columnNullable = 1;
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/**
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* It is unknown whether or not the column allows NULL
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*/
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public static final int columnNullableUnknown = 2;
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/**
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* It is unknown whether or not the version column is a pseudo-column.
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*/
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public static final int versionColumnUnknown = 0;
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/**
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* The version column is not a pseudo-column
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*/
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public static final int versionColumnNotPseudo = 1;
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/**
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* The version column is a pseudo-column
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*/
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public static final int versionColumnPseudo = 2;
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/**
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* Foreign key changes are cascaded in updates or deletes.
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*/
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public static final int importedKeyCascade = 0;
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/**
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* Column may not be updated or deleted in use as a foreign key.
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*/
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public static final int importedKeyRestrict = 1;
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/**
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* When primary key is updated or deleted, the foreign key is set to NULL.
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*/
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public static final int importedKeySetNull = 2;
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/**
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* If the primary key is a foreign key, it cannot be udpated or deleted.
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*/
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public static final int importedKeyNoAction = 3;
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/**
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* If the primary key is updated or deleted, the foreign key is set to
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* a default value.
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*/
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public static final int importedKeySetDefault = 4;
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/**
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* Wish I knew what this meant.
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*/
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public static final int importedKeyInitiallyDeferred = 5;
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/**
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* Wish I knew what this meant.
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*/
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public static final int importedKeyInitiallyImmediate = 6;
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/**
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* Wish I knew what this meant.
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*/
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public static final int importedKeyNotDeferrable = 7;
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/**
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* A NULL value is not allowed for this data type.
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*/
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public static final int typeNoNulls = 0;
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/**
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* A NULL value is allowed for this data type.
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*/
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public static final int typeNullable = 1;
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/**
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* It is unknown whether or not NULL values are allowed for this data type.
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*/
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public static final int typeNullableUnknown = 2;
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/**
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* Where clauses are not supported for this type.
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*/
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public static final int typePredNone = 0;
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/**
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* Only "WHERE..LIKE" style WHERE clauses are allowed on this data type.
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*/
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public static final int typePredChar = 1;
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/**
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* All WHERE clauses except "WHERE..LIKE" style are allowed on this data type.
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*/
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public static final int typePredBasic = 2;
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/**
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* Any type of WHERE clause is allowed for this data type.
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*/
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public static final int typeSearchable = 3;
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/**
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* This column contains table statistics.
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*/
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public static final short tableIndexStatistic = 0;
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/**
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* This table index is clustered.
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*/
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public static final short tableIndexClustered = 1;
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/**
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* This table index is hashed.
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*/
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public static final short tableIndexHashed = 2;
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/**
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* This table index is of another type.
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*/
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public static final short tableIndexOther = 3;
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/*************************************************************************/
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/**
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* This method tests whether or not all the procedures returned by
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* the <code>getProcedures</code> method can be called by this user.
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*
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* @return <code>true</code> if all the procedures can be called,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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allProceduresAreCallable() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not all the table returned by the
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* <code>getTables</code> method can be selected by this user.
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*
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* @return <code>true</code> if all the procedures can be called,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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allTablesAreSelectable() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the URL for this database.
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*
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* @return The URL string for this database, or <code>null</code> if it
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* is not known.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getURL() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the database username for this connection.
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*
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* @return The database username.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getUserName() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database is in read only mode.
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*
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* @return <code>true</code> if the database is in read only mode,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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isReadOnly() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not NULL's sort as high values.
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*
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* @return <code>true</code> if NULL's sort as high values, <code>false</code>
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* otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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nullsAreSortedHigh() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not NULL's sort as low values.
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*
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* @return <code>true</code> if NULL's sort as low values, <code>false</code>
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* otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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nullsAreSortedLow() throws SQLException;
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/*************************************************************************/
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/**
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* This method test whether or not NULL's are sorted to the beginning
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* of the list regardless of ascending or descending sort order.
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*
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* @return <code>true</code> if NULL's always sort to the beginning,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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nullsAreSortedAtStart() throws SQLException;
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/*************************************************************************/
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/**
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* This method test whether or not NULL's are sorted to the end
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* of the list regardless of ascending or descending sort order.
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*
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* @return <code>true</code> if NULL's always sort to the end,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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nullsAreSortedAtEnd() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the name of the database product.
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*
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* @return The database product.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getDatabaseProductName() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the version of the database product.
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*
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* @return The version of the database product.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getDatabaseProductVersion() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the name of the JDBC driver.
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*
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* @return The name of the JDBC driver.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getDriverName() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the version of the JDBC driver.
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*
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* @return The version of the JDBC driver.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getDriverVersion() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns the major version number of the JDBC driver.
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*
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* @return The major version number of the JDBC driver.
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*/
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public abstract int
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getDriverMajorVersion();
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/*************************************************************************/
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/**
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* This method returns the minor version number of the JDBC driver.
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*
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* @return The minor version number of the JDBC driver.
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*/
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public abstract int
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getDriverMinorVersion();
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/*************************************************************************/
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/**
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* This method tests whether or not the database uses local files to
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* store tables.
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*
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* @return <code>true</code> if the database uses local files,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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usesLocalFiles() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database uses a separate file for
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* each table.
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*
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* @return <code>true</code> if the database uses a separate file for each
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* table </code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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usesLocalFilePerTable() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database supports identifiers
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* with mixed case.
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*
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* @return <code>true</code> if the database supports mixed case identifiers,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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supportsMixedCaseIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database treats mixed case
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* identifiers as all upper case.
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*
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* @exception <code>true</code> if the database treats all identifiers as
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* upper case, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesUpperCaseIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database treats mixed case
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* identifiers as all lower case.
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*
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* @exception <code>true</code> if the database treats all identifiers as
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* lower case, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesLowerCaseIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database stores mixed case
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* identifers even if it treats them as case insensitive.
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*
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* @return <code>true</code> if the database stores mixed case identifiers,
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* <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesMixedCaseIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database supports quoted identifiers
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* with mixed case.
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*
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* @return <code>true</code> if the database supports mixed case quoted
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* identifiers, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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supportsMixedCaseQuotedIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database treats mixed case
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* quoted identifiers as all upper case.
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*
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* @exception <code>true</code> if the database treats all quoted identifiers
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* as upper case, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesUpperCaseQuotedIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database treats mixed case
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* quoted identifiers as all lower case.
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*
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* @exception <code>true</code> if the database treats all quoted identifiers
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* as lower case, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesLowerCaseQuotedIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This method tests whether or not the database stores mixed case
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* quoted identifers even if it treats them as case insensitive.
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*
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* @return <code>true</code> if the database stores mixed case quoted
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* identifiers, <code>false</code> otherwise.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract boolean
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storesMixedCaseQuotedIdentifiers() throws SQLException;
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/*************************************************************************/
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/**
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* This metohd returns the quote string for SQL identifiers.
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*
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* @return The quote string for SQL identifers, or a space if quoting
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* is not supported.
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*
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* @exception SQLException If an error occurs.
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*/
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public abstract String
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getIdentifierQuoteString() throws SQLException;
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/*************************************************************************/
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/**
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* This method returns a comma separated list of all the SQL keywords in
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* the database that are not in SQL92.
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*
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|
* @return The list of SQL keywords not in SQL92.
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*
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* @exception SQLException If an error occurs.
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*/
|
|
public abstract String
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getSQLKeywords() throws SQLException;
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|
/*************************************************************************/
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|
|
/**
|
|
* This method returns a comma separated list of math functions.
|
|
*
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|
* @return The list of math functions.
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|
*
|
|
* @exception SQLException If an error occurs.
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|
*/
|
|
public abstract String
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getNumericFunctions() throws SQLException;
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|
|
/*************************************************************************/
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|
|
/**
|
|
* This method returns a comma separated list of string functions.
|
|
*
|
|
* @return The list of string functions.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
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|
getStringFunctions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a comma separated list of of system functions.
|
|
*
|
|
* @return A comma separated list of system functions.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
|
|
getSystemFunctions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns comma separated list of time/date functions.
|
|
*
|
|
* @return The list of time/date functions.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
|
|
getTimeDateFunctions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the string used to escape wildcards in search strings.
|
|
*
|
|
* @return The string used to escape wildcards in search strings.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
|
|
getSearchStringEscape() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This methods returns non-standard characters that can appear in
|
|
* unquoted identifiers.
|
|
*
|
|
* @return Non-standard characters that can appear in unquoted identifiers.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
|
|
getExtraNameCharacters() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports
|
|
* "ALTER TABLE ADD COLUMN"
|
|
*
|
|
* @return <code>true</code> if column add supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsAlterTableWithAddColumn() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports
|
|
* "ALTER TABLE DROP COLUMN"
|
|
*
|
|
* @return <code>true</code> if column drop supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsAlterTableWithDropColumn() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not column aliasing is supported.
|
|
*
|
|
* @return <code>true</code> if column aliasing is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsColumnAliasing() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether the concatenation of a NULL and non-NULL
|
|
* value results in a NULL. This will always be true in fully JDBC compliant
|
|
* drivers.
|
|
*
|
|
* @return <code>true</code> if concatenating NULL and a non-NULL value
|
|
* returns a NULL, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
nullPlusNonNullIsNull() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Tests whether or not CONVERT is supported.
|
|
*
|
|
* @return <code>true</code> if CONVERT is supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsConvert() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not CONVERT can be performed between the
|
|
* specified types. The types are contants from <code>Types</code>.
|
|
*
|
|
* @param fromType The SQL type to convert from.
|
|
* @param toType The SQL type to convert to.
|
|
*
|
|
* @return <code>true</code> if the conversion can be performed,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @see Types
|
|
*/
|
|
public abstract boolean
|
|
supportsConvert(int fromType, int toType) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not table correlation names are
|
|
* supported. This will be always be <code>true</code> in a fully JDBC
|
|
* compliant driver.
|
|
*
|
|
* @return <code>true</code> if table correlation names are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsTableCorrelationNames() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether correlation names must be different from the
|
|
* name of the table.
|
|
*
|
|
* @return <code>true</code> if the correlation name must be different from
|
|
* the table name, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsDifferentTableCorrelationNames() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not expressions are allowed in an
|
|
* ORDER BY lists.
|
|
*
|
|
* @return <code>true</code> if expressions are allowed in ORDER BY
|
|
* lists, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsExpressionsInOrderBy() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or ORDER BY on a non-selected column is
|
|
* allowed.
|
|
*
|
|
* @return <code>true</code> if a non-selected column can be used in an
|
|
* ORDER BY, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOrderByUnrelated() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not GROUP BY is supported.
|
|
*
|
|
* @return <code>true</code> if GROUP BY is supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsGroupBy() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether GROUP BY on a non-selected column is
|
|
* allowed.
|
|
*
|
|
* @return <code>true</code> if a non-selected column can be used in a
|
|
* GROUP BY, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsGroupByUnrelated() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not a GROUP BY can add columns not in the
|
|
* select if it includes all the columns in the select.
|
|
*
|
|
* @return <code>true</code> if GROUP BY an add columns provided it includes
|
|
* all columns in the select, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsGroupByBeyondSelect() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the escape character is supported in
|
|
* LIKE expressions. A fully JDBC compliant driver will always return
|
|
* <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if escapes are supported in LIKE expressions,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean supportsLikeEscapeClause() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether multiple result sets for a single statement are
|
|
* supported.
|
|
*
|
|
* @return <code>true</code> if multiple result sets are supported for a
|
|
* single statement, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsMultipleResultSets() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method test whether or not multiple transactions may be open
|
|
* at once, as long as they are on different connections.
|
|
*
|
|
* @return <code>true</code> if multiple transactions on different
|
|
* connections are supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsMultipleTransactions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not columns can be defined as NOT NULL. A
|
|
* fully JDBC compliant driver always returns <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if NOT NULL columns are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsNonNullableColumns() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the minimum grammer for ODBC is supported.
|
|
* A fully JDBC compliant driver will always return <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if the ODBC minimum grammar is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsMinimumSQLGrammar() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the core grammer for ODBC is supported.
|
|
*
|
|
* @return <code>true</code> if the ODBC core grammar is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCoreSQLGrammar() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the extended grammer for ODBC is supported.
|
|
*
|
|
* @return <code>true</code> if the ODBC extended grammar is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsExtendedSQLGrammar() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the ANSI92 entry level SQL
|
|
* grammar is supported. A fully JDBC compliant drivers must return
|
|
* <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if the ANSI92 entry level SQL grammar is
|
|
* supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsANSI92EntryLevelSQL() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the ANSI92 intermediate SQL
|
|
* grammar is supported.
|
|
*
|
|
* @return <code>true</code> if the ANSI92 intermediate SQL grammar is
|
|
* supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsANSI92IntermediateSQL() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the ANSI92 full SQL
|
|
* grammar is supported.
|
|
*
|
|
* @return <code>true</code> if the ANSI92 full SQL grammar is
|
|
* supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsANSI92FullSQL() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the SQL integrity enhancement
|
|
* facility is supported.
|
|
*
|
|
* @return <code>true</code> if the integrity enhancement facility is
|
|
* supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsIntegrityEnhancementFacility() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports outer joins.
|
|
*
|
|
* @return <code>true</code> if outer joins are supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOuterJoins() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports full outer joins.
|
|
*
|
|
* @return <code>true</code> if full outer joins are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsFullOuterJoins() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports limited outer joins.
|
|
*
|
|
* @return <code>true</code> if limited outer joins are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsLimitedOuterJoins() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the vendor's term for "schema".
|
|
*
|
|
* @return The vendor's term for schema.
|
|
*
|
|
* @exception SQLException if an error occurs.
|
|
*/
|
|
public abstract String
|
|
getSchemaTerm() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the vendor's term for "procedure".
|
|
*
|
|
* @return The vendor's term for procedure.
|
|
*
|
|
* @exception SQLException if an error occurs.
|
|
*/
|
|
public abstract String
|
|
getProcedureTerm() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the vendor's term for "catalog".
|
|
*
|
|
* @return The vendor's term for catalog.
|
|
*
|
|
* @exception SQLException if an error occurs.
|
|
*/
|
|
public abstract String
|
|
getCatalogTerm() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name appears at the beginning of
|
|
* a fully qualified table name.
|
|
*
|
|
* @return <code>true</code> if the catalog name appears at the beginning,
|
|
* <code>false</code> if it appears at the end.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
isCatalogAtStart() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the separator between the catalog name and the
|
|
* table name.
|
|
*
|
|
* @return The separator between the catalog name and the table name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract String
|
|
getCatalogSeparator() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a data
|
|
* manipulation statement.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a data
|
|
* manipulation statement, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSchemasInDataManipulation() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a procedure
|
|
* call
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a procedure
|
|
* call, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSchemasInProcedureCalls() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a table definition.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a table
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSchemasInTableDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in an index definition.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in an index
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSchemasInIndexDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in privilege definitions.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in privilege
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSchemasInPrivilegeDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a data
|
|
* manipulation statement.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a data
|
|
* manipulation statement, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCatalogsInDataManipulation() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a procedure
|
|
* call
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a procedure
|
|
* call, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCatalogsInProcedureCalls() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in a table definition.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in a table
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCatalogsInTableDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in an index definition.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in an index
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCatalogsInIndexDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether a catalog name can appear in privilege definitions.
|
|
*
|
|
* @return <code>true</code> if a catalog name can appear in privilege
|
|
* definition, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCatalogsInPrivilegeDefinitions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not that database supports positioned
|
|
* deletes.
|
|
*
|
|
* @return <code>true</code> if positioned deletes are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsPositionedDelete() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not that database supports positioned
|
|
* updates.
|
|
*
|
|
* @return <code>true</code> if positioned updates are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsPositionedUpdate() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not SELECT FOR UPDATE is supported by the
|
|
* database.
|
|
*
|
|
* @return <code>true</code> if SELECT FOR UPDATE is supported
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSelectForUpdate() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not stored procedures are supported on
|
|
* this database.
|
|
*
|
|
* @return <code>true</code> if stored procedures are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsStoredProcedures() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not subqueries are allowed in comparisons.
|
|
* A fully JDBC compliant driver will always return <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if subqueries are allowed in comparisons,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSubqueriesInComparisons() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not subqueries are allowed in exists
|
|
* expressions. A fully JDBC compliant driver will always return
|
|
* <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if subqueries are allowed in exists
|
|
* expressions, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSubqueriesInExists() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether subqueries are allowed in IN statements.
|
|
* A fully JDBC compliant driver will always return <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if the driver supports subqueries in IN
|
|
* statements, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSubqueriesInIns() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not subqueries are allowed in quantified
|
|
* expressions. A fully JDBC compliant driver will always return
|
|
* <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if subqueries are allowed in quantified
|
|
* expressions, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsSubqueriesInQuantifieds() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method test whether or not correlated subqueries are allowed. A
|
|
* fully JDBC compliant driver will always return <code>true</code>.
|
|
*
|
|
* @return <code>true</code> if correlated subqueries are allowed,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsCorrelatedSubqueries() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the UNION statement is supported.
|
|
*
|
|
* @return <code>true</code> if UNION is supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsUnion() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the UNION ALL statement is supported.
|
|
*
|
|
* @return <code>true</code> if UNION ALL is supported, <code>false</code>
|
|
* otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsUnionAll() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports cursors
|
|
* remaining open across commits.
|
|
*
|
|
* @return <code>true</code> if cursors can remain open across commits,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOpenCursorsAcrossCommit() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports cursors
|
|
* remaining open across rollbacks.
|
|
*
|
|
* @return <code>true</code> if cursors can remain open across rollbacks,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOpenCursorsAcrossRollback() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports statements
|
|
* remaining open across commits.
|
|
*
|
|
* @return <code>true</code> if statements can remain open across commits,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOpenStatementsAcrossCommit() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports statements
|
|
* remaining open across rollbacks.
|
|
*
|
|
* @return <code>true</code> if statements can remain open across rollbacks,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsOpenStatementsAcrossRollback() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the number of hex characters allowed in an inline
|
|
* binary literal.
|
|
*
|
|
* @return The number of hex characters allowed in a binary literal, 0 meaning
|
|
* either an unknown or unlimited number.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxBinaryLiteralLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a character literal.
|
|
*
|
|
* @return The maximum length of a character literal.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxCharLiteralLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a column name.
|
|
*
|
|
* @return The maximum length of a column name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of columns in a GROUP BY statement.
|
|
*
|
|
* @return The maximum number of columns in a GROUP BY statement.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnsInGroupBy() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of columns in an index.
|
|
*
|
|
* @return The maximum number of columns in an index.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnsInIndex() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of columns in an ORDER BY statement.
|
|
*
|
|
* @return The maximum number of columns in an ORDER BY statement.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnsInOrderBy() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of columns in a SELECT statement.
|
|
*
|
|
* @return The maximum number of columns in a SELECT statement.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnsInSelect() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of columns in a table.
|
|
*
|
|
* @return The maximum number of columns in a table.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxColumnsInTable() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of connections this client
|
|
* can have to the database.
|
|
*
|
|
* @return The maximum number of database connections.
|
|
*
|
|
* @SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxConnections() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a cursor name.
|
|
*
|
|
* @return The maximum length of a cursor name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxCursorNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of an index.
|
|
*
|
|
* @return The maximum length of an index.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxIndexLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a schema name.
|
|
*
|
|
* @return The maximum length of a schema name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxSchemaNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a procedure name.
|
|
*
|
|
* @return The maximum length of a procedure name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxProcedureNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a catalog name.
|
|
*
|
|
* @return The maximum length of a catalog name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxCatalogNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum size of a row in bytes.
|
|
*
|
|
* @return The maximum size of a row.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxRowSize() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the maximum row size includes BLOB's
|
|
*
|
|
* @return <code>true</code> if the maximum row size includes BLOB's,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
doesMaxRowSizeIncludeBlobs() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method includes the maximum length of a SQL statement.
|
|
*
|
|
* @return The maximum length of a SQL statement.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxStatementLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of statements that can be
|
|
* active at any time.
|
|
*
|
|
* @return The maximum number of statements that can be active at any time.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxStatements() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a table name.
|
|
*
|
|
* @return The maximum length of a table name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxTableNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum number of tables that may be referenced
|
|
* in a SELECT statement.
|
|
*
|
|
* @return The maximum number of tables allowed in a SELECT statement.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxTablesInSelect() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the maximum length of a user name.
|
|
*
|
|
* @return The maximum length of a user name.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract int
|
|
getMaxUserNameLength() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the default transaction isolation level of the
|
|
* database.
|
|
*
|
|
* @return The default transaction isolation level of the database.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see Connection
|
|
*/
|
|
public abstract int
|
|
getDefaultTransactionIsolation() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports transactions.
|
|
*
|
|
* @return <code>true</code> if the database supports transactions,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsTransactions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports the specified
|
|
* transaction isolation level.
|
|
*
|
|
* @param level The transaction isolation level.
|
|
*
|
|
* @return <code>true</code> if the specified transaction isolation level
|
|
* is supported, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsTransactionIsolationLevel(int level) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not DDL and DML statements allowed within
|
|
* the same transaction.
|
|
*
|
|
* @return <code>true</code> if DDL and DML statements are allowed in the
|
|
* same transaction, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsDataDefinitionAndDataManipulationTransactions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not only DML statement are allowed
|
|
* inside a transaction.
|
|
*
|
|
* @return <code>true</code> if only DML statements are allowed in
|
|
* transactions, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsDataManipulationTransactionsOnly() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not a DDL statement will cause the
|
|
* current transaction to be automatically committed.
|
|
*
|
|
* @return <code>true</code> if DDL causes an immediate transaction commit,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
dataDefinitionCausesTransactionCommit() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not DDL statements are ignored in
|
|
* transactions.
|
|
*
|
|
* @return <code>true</code> if DDL statements are ignored in transactions,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
dataDefinitionIgnoredInTransactions() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of all the stored procedures matching the
|
|
* specified pattern in the given schema and catalog. This is returned
|
|
* a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>PROCEDURE_CAT - The catalog the procedure is in, which may be
|
|
* <code>null</code>.
|
|
* <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
|
|
* <code>null</code>.
|
|
* <li>PROCEDURE_NAME - The name of the procedure.
|
|
* <li>Unused
|
|
* <li>Unused
|
|
* <li>Unused
|
|
* <li>REMARKS - A description of the procedure
|
|
* <li>PROCEDURE_TYPE - Indicates the return type of the procedure, which
|
|
* is one of the contstants defined in this class
|
|
* (<code>procedureResultUnknown</code>, <code>procedureNoResult</code>, or
|
|
* <code>procedureReturnsResult</code>).
|
|
* </ol>
|
|
*
|
|
* @param catalog The name of the catalog to return stored procedured from,
|
|
* or "" to return procedures from all catalogs.
|
|
* @param schemaPattern A schema pattern for the schemas to return stored
|
|
* procedures from, or "" to return procedures from all schemas.
|
|
* @param namePattern The pattern of procedures names to return.
|
|
*
|
|
* @returns A <code>ResultSet</code> with all the requested procedures.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getProcedures(String catalog, String schemaPattern, String namePattern)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the parameter and result columns for
|
|
* the requested stored procedures. This is returned in the form of a
|
|
* <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>PROCEDURE_CAT - The catalog the procedure is in, which may be
|
|
* <code>null</code>.
|
|
* <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
|
|
* <code>null</code>.
|
|
* <li>PROCEDURE_NAME - The name of the procedure.
|
|
* <li>COLUMN_NAME - The name of the column
|
|
* <li>COLUMN_TYPE - The type of the column, which will be one of the
|
|
* contants defined in this class (<code>procedureColumnUnknown</code>,
|
|
* <code>procedureColumnIn</code>, <code>procedureColumnInOut</code>,
|
|
* <code>procedureColumnOut</code>, <code>procedureColumnReturn</code>,
|
|
* or <code>procedureColumnResult</code>).
|
|
* <li>DATA_TYPE - The SQL type of the column. This is one of the constants
|
|
* defined in <code>Types</code>.
|
|
* <li>TYPE_NAME - The string name of the data type for this column.
|
|
* <li>PRECISION - The precision of the column.
|
|
* <li>LENGTH - The length of the column in bytes
|
|
* <li>SCALE - The scale of the column.
|
|
* <li>RADIX - The radix of the column.
|
|
* <li>NULLABLE - Whether or not the column is NULLABLE. This is one of
|
|
* the constants defined in this class (<code>procedureNoNulls</code>,
|
|
* <code>procedureNullable</code>, or <code>procedureNullableUnknown</code>)
|
|
* <li>REMARKS - A description of the column.
|
|
* </ol>
|
|
*
|
|
* @param catalog The name of the catalog to return stored procedured from,
|
|
* or "" to return procedures from all catalogs.
|
|
* @param schemaPattern A schema pattern for the schemas to return stored
|
|
* procedures from, or "" to return procedures from all schemas.
|
|
* @param namePattern The pattern of procedures names to return.
|
|
* @param columnPattern The pattern of column names to return.
|
|
*
|
|
* @returns A <code>ResultSet</code> with all the requested procedures.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getProcedureColumns(String catalog, String schemaPattern, String namePattern,
|
|
String columnPattern) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the requested table as a
|
|
* <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog the table is in, which may be <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema the table is in, which may be <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>TABLE_TYPE - A string describing the table type. This will be one
|
|
* of the values returned by the <code>getTableTypes()</code> method.
|
|
* <li>REMARKS - Comments about the table.
|
|
* </ol>
|
|
*
|
|
* @param catalog The name of the catalog to return tables from,
|
|
* or "" to return tables from all catalogs.
|
|
* @param schemaPattern A schema pattern for the schemas to return tables
|
|
* from, or "" to return tables from all schemas.
|
|
* @param namePattern The pattern of table names to return.
|
|
* @param types The list of table types to include; null returns all types.
|
|
*
|
|
* @returns A <code>ResultSet</code> with all the requested tables.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getTables(String catalog, String schemaPattern, String namePattern,
|
|
String types[]) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the list of database schemas as a
|
|
* <code>ResultSet</code>, with one column - TABLE_SCHEM - that is the
|
|
* name of the schema.
|
|
*
|
|
* @return A <code>ResultSet</code> with all the requested schemas.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getSchemas() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the list of database catalogs as a
|
|
* <code>ResultSet</code> with one column - TABLE_CAT - that is the
|
|
* name of the catalog.
|
|
*
|
|
* @return A <code>ResultSet</code> with all the requested catalogs.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getCatalogs() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the list of database table types as a
|
|
* <code>ResultSet</code> with one column - TABLE_TYPE - that is the
|
|
* name of the table type.
|
|
*
|
|
* @return A <code>ResultSet</code> with all the requested table types.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getTableTypes() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the tables columns for
|
|
* the requested tables. This is returned in the form of a
|
|
* <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog the table is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema the tables is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>COLUMN_NAME - The name of the column
|
|
* <li>DATA_TYPE - The SQL type of the column. This is one of the constants
|
|
* defined in <code>Types</code>.
|
|
* <li>TYPE_NAME - The string name of the data type for this column.
|
|
* <li>COLUMN_SIZE - The size of the column.
|
|
* <li>Unused
|
|
* <li>NUM_PREC_RADIX - The radix of the column.
|
|
* <li>NULLABLE - Whether or not the column is NULLABLE. This is one of
|
|
* the constants defined in this class (<code>tableNoNulls</code>,
|
|
* <code>tableNullable</code>, or <code>tableNullableUnknown</code>)
|
|
* <li>REMARKS - A description of the column.
|
|
* <li>COLUMN_DEF - The default value for the column, may be <code>null</code>.
|
|
* <li>SQL_DATA_TYPE - Unused
|
|
* <li>SQL_DATETIME_SUB - Unused
|
|
* <li>CHAR_OCTET_LENGTH - For character columns, the maximum number of bytes
|
|
* in the column.
|
|
* <li>ORDINAL_POSITION - The index of the column in the table.
|
|
* <li>IS_NULLABLE - "NO" means no, "YES" means maybe, and an empty string
|
|
* means unknown.
|
|
* </ol>
|
|
*
|
|
* @param catalog The name of the catalog to return table from,
|
|
* or "" to return tables from all catalogs.
|
|
* @param schemaPattern A schema pattern for the schemas to return
|
|
* tables from, or "" to return tables from all schemas.
|
|
* @param namePattern The pattern of tables names to return.
|
|
* @param columnPattern The pattern of column names to return.
|
|
*
|
|
* @returns A <code>ResultSet</code> with all the requested tables.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getColumns(String catalog, String schemaPattern, String namePattern,
|
|
String columnPattern) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the access rights that have been granted to the
|
|
* requested columns. This information is returned as a <code>ResultSet</code>
|
|
* with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog the table is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema the tables is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>COLUMN_NAME - The name of the column.
|
|
* <li>GRANTOR - The entity that granted the access.
|
|
* <li>GRANTEE - The entity granted the access.
|
|
* <li>PRIVILEGE - The name of the privilege granted.
|
|
* <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
|
|
* others, "NO" if not, and <code>null</code> if unknown.
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
* @param columnPattern A pattern of column names to return information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with all the requested privileges.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getColumnPrivileges(String catalog, String schema, String table,
|
|
String columnPattern) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the access rights that have been granted to the
|
|
* requested tables. This information is returned as a <code>ResultSet</code>
|
|
* with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog the table is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema the tables is in, which may be
|
|
* <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>GRANTOR - The entity that granted the access.
|
|
* <li>GRANTEE - The entity granted the access.
|
|
* <li>PRIVILEGE - The name of the privilege granted.
|
|
* <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
|
|
* others, "NO" if not, and <code>null</code> if unknown.
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param tablePattern The table name pattern of tables to return
|
|
* information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with all the requested privileges.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getTablePrivileges(String catalog, String schema, String table)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the best set of columns for uniquely identifying
|
|
* a row. It returns this information as a <code>ResultSet</code> with
|
|
* the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>SCOPE - The scope of the results returned. This is one of the
|
|
* constants defined in this class (<code>bestRowTemporary</code>,
|
|
* <code>bestRowTransaction</code>, or <code>bestRowSession</code>).
|
|
* <li>COLUMN_NAME - The name of the column.
|
|
* <li>DATA_TYPE - The SQL type of the column. This is one of the constants
|
|
* defined in <code>Types</code>.
|
|
* <li>TYPE_NAME - The string name of the data type for this column.
|
|
* <li>COLUMN_SIZE - The precision of the columns
|
|
* <li>BUFFER_LENGTH - Unused
|
|
* <li>DECIMAL_DIGITS - The scale of the column.
|
|
* <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
|
|
* pseudo_column. This is one of the constants defined in this class
|
|
* (<code>bestRowUnknown</code>, <code>bestRowNotPseudo</code>, or
|
|
* <code>bestRowPseudo</code>).
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
* @param columnPattern A pattern of column names to return information for.
|
|
* @param scope One of the best row id scope constants from this class.
|
|
* @param nullable <code>true</code> to include columns that are nullable,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @return A <code>ResultSet</code> with the best row identifier.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getBestRowIdentifier(String catalog, String schema, String table,
|
|
int scope, boolean nullable) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the set of columns that are automatically updated
|
|
* when the row is update. It returns this information as a
|
|
* <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>SCOPE - Unused
|
|
* <li>COLUMN_NAME - The name of the column.
|
|
* <li>DATA_TYPE - The SQL type of the column. This is one of the constants
|
|
* defined in <code>Types</code>.
|
|
* <li>TYPE_NAME - The string name of the data type for this column.
|
|
* <li>COLUMN_SIZE - The precision of the columns
|
|
* <li>BUFFER_LENGTH - Unused
|
|
* <li>DECIMAL_DIGITS - The scale of the column.
|
|
* <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
|
|
* pseudo_column. This is one of the constants defined in this class
|
|
* (<code>versionRowUnknown</code>, <code>versionRowNotPseudo</code>, or
|
|
* <code>versionRowPseudo</code>).
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
* @param columnPattern A pattern of column names to return information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with the version columns.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getVersionColumns(String catalog, String schema, String table)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of a table's primary key columns. These
|
|
* are returned as a <code>ResultSet</code> with the following columns.
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>COLUMN_NAME - The name of the column.
|
|
* <li>KEY_SEQ - The sequence number of the column within the primary key.
|
|
* <li>PK_NAME - The name of the primary key, which may be <code>null</code>.
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
* @param columnPattern A pattern of column names to return information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with the primary key columns.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getPrimaryKeys(String catalog, String schema, String table)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the table's foreign keys. These are
|
|
* returned as a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>PKTABLE_CAT - The catalog of the table the key was imported from.
|
|
* <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
|
|
* <li>PKTABLE_NAME - The name of the table the key was imported from.
|
|
* <li>PKCOLUMN_NAME - The name of the column that was imported.
|
|
* <li>FKTABLE_CAT - The foreign key catalog name.
|
|
* <li>FKTABLE_SCHEM - The foreign key schema name.
|
|
* <li>FKTABLE_NAME - The foreign key table name.
|
|
* <li>FKCOLUMN_NAME - The foreign key column name.
|
|
* <li>KEY_SEQ - The sequence number of the column within the foreign key.
|
|
* <li>UPDATE_RULE - How the foreign key behaves when the primary key is
|
|
* updated. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
|
|
* <code>importedKeyRestrict</code>).
|
|
* <li>DELETE_RULE - How the foreign key behaves when the primary key is
|
|
* deleted. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
|
|
* <li>FK_NAME - The name of the foreign key.
|
|
* <li>PK_NAME - The name of the primary key.
|
|
* <li>DEFERRABILITY - The deferrability value. This is one of the
|
|
* constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
|
|
* <code>importedKeyInitiallyImmediate</code>, or
|
|
* <code>importedKeyNotDeferrable</code>).
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with the foreign key columns.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getImportedKeys(String catalog, String schema, String table)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the table's which use this table's
|
|
* primary key as a foreign key. The information is
|
|
* returned as a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>PKTABLE_CAT - The catalog of the table the key was imported from.
|
|
* <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
|
|
* <li>PKTABLE_NAME - The name of the table the key was imported from.
|
|
* <li>PKCOLUMN_NAME - The name of the column that was imported.
|
|
* <li>FKTABLE_CAT - The foreign key catalog name.
|
|
* <li>FKTABLE_SCHEM - The foreign key schema name.
|
|
* <li>FKTABLE_NAME - The foreign key table name.
|
|
* <li>FKCOLUMN_NAME - The foreign key column name.
|
|
* <li>KEY_SEQ - The sequence number of the column within the foreign key.
|
|
* <li>UPDATE_RULE - How the foreign key behaves when the primary key is
|
|
* updated. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
|
|
* <code>importedKeyRestrict</code>).
|
|
* <li>DELETE_RULE - How the foreign key behaves when the primary key is
|
|
* deleted. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
|
|
* <li>FK_NAME - The name of the foreign key.
|
|
* <li>PK_NAME - The name of the primary key.
|
|
* <li>DEFERRABILITY - The deferrability value. This is one of the
|
|
* constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
|
|
* <code>importedKeyInitiallyImmediate</code>, or
|
|
* <code>importedKeyNotDeferrable</code>).
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
*
|
|
* @return A <code>ResultSet</code> with the requested information
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getExportedKeys(String catalog, String schema, String table)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a description of how one table imports another
|
|
* table's primary key as a foreign key. The information is
|
|
* returned as a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>PKTABLE_CAT - The catalog of the table the key was imported from.
|
|
* <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
|
|
* <li>PKTABLE_NAME - The name of the table the key was imported from.
|
|
* <li>PKCOLUMN_NAME - The name of the column that was imported.
|
|
* <li>FKTABLE_CAT - The foreign key catalog name.
|
|
* <li>FKTABLE_SCHEM - The foreign key schema name.
|
|
* <li>FKTABLE_NAME - The foreign key table name.
|
|
* <li>FKCOLUMN_NAME - The foreign key column name.
|
|
* <li>KEY_SEQ - The sequence number of the column within the foreign key.
|
|
* <li>UPDATE_RULE - How the foreign key behaves when the primary key is
|
|
* updated. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
|
|
* <code>importedKeyRestrict</code>).
|
|
* <li>DELETE_RULE - How the foreign key behaves when the primary key is
|
|
* deleted. This is one of the constants defined in this class
|
|
* (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
|
|
* <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
|
|
* <li>FK_NAME - The name of the foreign key.
|
|
* <li>PK_NAME - The name of the primary key.
|
|
* <li>DEFERRABILITY - The deferrability value. This is one of the
|
|
* constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
|
|
* <code>importedKeyInitiallyImmediate</code>, or
|
|
* <code>importedKeyNotDeferrable</code>).
|
|
* </ol>
|
|
*
|
|
* @param primCatalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs, on the exporting side.
|
|
* @param primSchema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema, on the exporting side.
|
|
* @param primTable The table name to return information for, on the exporting
|
|
* side.
|
|
* @param forCatalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs, on the importing side.
|
|
* @param forSchema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema on the importing side.
|
|
* @param forTable The table name to return information for on the importing
|
|
* side.
|
|
*
|
|
* @return A <code>ResultSet</code> with the requested information
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getCrossReference(String primCatalog, String primSchema, String primTable,
|
|
String forCatalog, String forSchema, String forTable)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns a list of the SQL types supported by this
|
|
* database. The information is returned as a <code>ResultSet</code>
|
|
* with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TYPE_NAME - The name of the data type.
|
|
* <li>DATA_TYPE - A data type constant from <code>Types</code> for this
|
|
* type.
|
|
* <li>PRECISION - The maximum precision of this type.
|
|
* <li>LITERAL_PREFIX - Prefix value used to quote a literal, which may be
|
|
* <code>null</code>.
|
|
* <li>LITERAL_SUFFIX - Suffix value used to quote a literal, which may be
|
|
* <code>null</code>.
|
|
* <li>CREATE_PARAMS - The parameters used to create the type, which may be
|
|
* <code>null</code>.
|
|
* <li>NULLABLE - Whether or not this type supports NULL values. This will
|
|
* be one of the constants defined in this interface
|
|
* (<code>typeNoNulls</code>, <code>typeNullable</code>, or
|
|
* <code>typeNullableUnknown</code>).
|
|
* <li>CASE_SENSITIVE - Whether or not the value is case sensitive.
|
|
* <li>SEARCHABLE - Whether or not "LIKE" expressions are supported in
|
|
* WHERE clauses for this type. This will be one of the constants defined
|
|
* in this interface (<code>typePredNone</code>, <code>typePredChar</code>,
|
|
* <code>typePredBasic</code>, or <code>typeSearchable</code>).
|
|
* <li>UNSIGNED_ATTRIBUTE - Is the value of this type unsigned.
|
|
* <li>FIXED_PREC_SCALE - Whether or not this type can be used for money.
|
|
* <li>AUTO_INCREMENT - Whether or not this type supports auto-incrementing.
|
|
* <li>LOCAL_TYPE_NAME - A localized name for this data type.
|
|
* <li>MINIMUM_SCALE - The minimum scale supported by this type.
|
|
* <li>MAXIMUM_SCALE - The maximum scale supported by this type.
|
|
* <li>SQL_DATA_TYPE - Unused.
|
|
* <li>SQL_DATETIME_SUB - Unused.
|
|
* <li>NUM_PREC_RADIX - The radix of this data type.
|
|
* </ol>
|
|
*
|
|
* @return A <code>ResultSet</code> with the list of available data types.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getTypeInfo() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns information about a tables indices and statistics.
|
|
* It is returned as a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
|
|
* <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
|
|
* <li>TABLE_NAME - The name of the table.
|
|
* <li>NON_UNIQUE - Are index values non-unique?
|
|
* <li>INDEX_QUALIFIER The index catalog, which may be <code>null</code>
|
|
* <li>INDEX_NAME - The name of the index.
|
|
* <li>TYPE - The type of index, which will be one of the constants defined
|
|
* in this interface (<code>tableIndexStatistic</code>,
|
|
* <code>tableIndexClustered</code>, <code>tableIndexHashed</code>, or
|
|
* <code>tableIndexOther</code>).
|
|
* <li>ORDINAL_POSITION - The sequence number of this column in the index.
|
|
* This will be 0 when the index type is <code>tableIndexStatistic</code>.
|
|
* <li>COLUMN_NAME - The name of this column in the index.
|
|
* <li>ASC_OR_DESC - "A" for an ascending sort sequence, "D" for a
|
|
* descending sort sequence or <code>null</code> if a sort sequence is not
|
|
* supported.
|
|
* <li>CARDINALITY - The number of unique rows in the index, or the number
|
|
* of rows in the table if the index type is <code>tableIndexStatistic</code>.
|
|
* <li>PAGES - The number of pages used for the index, or the number of pages
|
|
* in the table if the index type is <code>tableIndexStatistic</code>.
|
|
* <li>FILTER_CONDITION - The filter condition for this index, which may be
|
|
* <code>null</code>.
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param table The table name to return information for.
|
|
* @param unique <code>true</code> to return only unique indexes,
|
|
* <code>false</code> otherwise.
|
|
* @param approx <code>true</code> if data values can be approximations,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @return A <code>ResultSet</code> with the requested index information
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getIndexInfo(String catalog, String schema, String table, boolean unique,
|
|
boolean approx) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the datbase supports the specified
|
|
* result type.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
supportsResultSetType(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether the specified result set type and result set
|
|
* concurrency type are supported by the database.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
* @param concur The desired concurrency type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type is supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
supportsResultSetConcurrency(int type, int concur) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees its
|
|
* own updates.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees its own updates,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
ownUpdatesAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees its
|
|
* own deletes.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees its own deletes,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
ownDeletesAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees its
|
|
* own inserts.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees its own inserts,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
ownInsertsAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees
|
|
* updates committed by others.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees other updates,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
othersUpdatesAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees
|
|
* deletes committed by others.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees other deletes,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
othersDeletesAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type sees
|
|
* inserts committed by others.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type sees other inserts,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
othersInsertsAreVisible(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type can detect
|
|
* a visible update by calling the <code>rowUpdated</code> method.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type can detect visible updates
|
|
* using <code>rowUpdated</code>, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
updatesAreDetected(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type can detect
|
|
* a visible delete by calling the <code>rowUpdated</code> method.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type can detect visible deletes
|
|
* using <code>rowUpdated</code>, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
deletesAreDetected(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the specified result set type can detect
|
|
* a visible insert by calling the <code>rowUpdated</code> method.
|
|
*
|
|
* @param type The desired result type, which is one of the constants
|
|
* defined in <code>ResultSet</code>.
|
|
*
|
|
* @return <code>true</code> if the result set type can detect visible inserts
|
|
* using <code>rowUpdated</code>, <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*
|
|
* @see ResultSet
|
|
*/
|
|
public abstract boolean
|
|
insertsAreDetected(int type) throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method tests whether or not the database supports batch updates.
|
|
*
|
|
* @return <code>true</code> if batch updates are supported,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract boolean
|
|
supportsBatchUpdates() throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the list of user defined data types in use. These
|
|
* are returned as a <code>ResultSet</code> with the following columns:
|
|
* <p>
|
|
* <ol>
|
|
* <li>TYPE_CAT - The catalog name, which may be <code>null</code>.
|
|
* <li>TYPE_SCEHM - The schema name, which may be <code>null</code>.
|
|
* <li>TYPE_NAME - The user defined data type name.
|
|
* <li>CLASS_NAME - The Java class name this type maps to.
|
|
* <li>DATA_TYPE - A type identifer from <code>Types</code> for this type.
|
|
* This will be one of <code>JAVA_OBJECT</code>, <code>STRUCT</code>, or
|
|
* <code>DISTINCT</code>.
|
|
* <li>REMARKS - Comments about this data type.
|
|
* </ol>
|
|
*
|
|
* @param catalog The catalog to retrieve information from, or the empty string
|
|
* to return entities not associated with a catalog, or <code>null</code>
|
|
* to return information from all catalogs.
|
|
* @param schema The schema to retrieve information from, or the empty string
|
|
* to return entities not associated with a schema.
|
|
* @param typePattern The type name pattern to match.
|
|
* @param types The type identifer patterns (from <code>Types</code>) to
|
|
* match.
|
|
*
|
|
* @return A <code>ResultSet</code> with the requested type information
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract ResultSet
|
|
getUDTs(String catalog, String schema, String typePattern, int[] types)
|
|
throws SQLException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method returns the <code>Connection</code> object that was used
|
|
* to generate the metadata in this object.
|
|
*
|
|
* @return The connection for this object.
|
|
*
|
|
* @exception SQLException If an error occurs.
|
|
*/
|
|
public abstract Connection
|
|
getConnection() throws SQLException;
|
|
|
|
} // interface DatabaseMetaData
|
|
|