Re: streaming result sets: progress

From: Nic Ferrier <nferrier(at)tapsellferrier(dot)co(dot)uk>
To: snpe <snpe(at)snpe(dot)co(dot)yu>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: streaming result sets: progress
Date: 2002-11-16 23:47:44
Message-ID: 87el9ljcv2.fsf@pooh-sticks-bridge.tapsellferrier.co.uk
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Lists: pgsql-jdbc

Message-ID: <87heehjcv3(dot)fsf(at)pooh-sticks-bridge(dot)tapsellferrier(dot)co(dot)uk>
Lines: 19
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Content-Type: multipart/mixed; boundary="=-=-="
--text follows this line--
--=-=-=

snpe <snpe(at)snpe(dot)co(dot)yu> writes:

> Hello Nic,
> Please call patch with ;
> diff -Naur olddir newdir
> and add in message like attach
> This is add PGResultSet
> I can't open this patch
>

Here's a diff based patch.

--=-=-=
Content-Type: text/patch
Content-Disposition: attachment; filename=nic-diff
Content-Description: patch for query stuff.

diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/PGConnection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/PGConnection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/PGConnection.java Fri Sep 6 21:23:05 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/PGConnection.java Thu Nov 7 20:38:44 2002
@@ -77,5 +77,15 @@
public PGNotification[] getNotifications();


+
+
+ // Added by Nic.
+
+ /** Create a result set for the specified statement.
+ * This is the factory method provided by the various
+ * version specific implementations of the JDBC connection
+ * classes.
+ */
+ public java.sql.ResultSet createResultSet (java.sql.Statement statement);
}

diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/PGResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/PGResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/PGResultSet.java Thu Jan 1 00:00:00 1970
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/PGResultSet.java Sat Nov 2 01:18:43 2002
@@ -0,0 +1,16 @@
+package org.postgresql;
+
+
+import java.util.Vector;
+
+
+/** PG base rep of a Res Set.
+ */
+public interface PGResultSet
+{
+
+ /** The init method is what is used to put the data into a ResultSet.
+ */
+ public void init (Field[] fields, Vector tuples, String status,
+ int update_count, long insert_oid, boolean binaryCursor);
+}
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/core/Encoding.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/core/Encoding.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/core/Encoding.java Sat Nov 16 22:24:28 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/core/Encoding.java Fri Nov 15 09:30:46 2002
@@ -8,7 +8,7 @@
/*
* Converts to and from the character encoding used by the backend.
*
- * $Id: Encoding.java,v 1.8 2002/11/14 05:35:45 barry Exp $
+ * $Id: Encoding.java,v 1.7.2.1 2002/11/14 05:54:39 barry Exp $
*/

public class Encoding
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java Sat Nov 16 22:24:28 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java Fri Nov 15 09:30:50 2002
@@ -13,17 +13,61 @@
* <p>The lifetime of a QueryExecutor object is from sending the query
* until the response has been received from the backend.
*
- * $Id: QueryExecutor.java,v 1.17 2002/11/14 05:35:45 barry Exp $
+ * $Id: QueryExecutor.java,v 1.16.2.1 2002/11/14 05:54:39 barry Exp $
*/

public class QueryExecutor
{
+ /** nic version - statically sets up the QE correctly.
+ */
+ public static void execute (String[] p_sqlFrags,
+ Object[] p_binds,
+ java.sql.Statement statement,
+ java.sql.ResultSet rs,
+ PG_Stream pg_stream,
+ java.sql.Connection con)
+ throws SQLException
+ {
+ QueryExecutor qe = new QueryExecutor();
+ // I think this should be a PGConnection and we should move
+ // everything we need for that from AbstractJdbc1... into PGConnection.
+ qe.connection = (org.postgresql.jdbc1.AbstractJdbc1Connection)con;
+ qe.m_sqlFrags = p_sqlFrags;
+ qe.m_binds = p_binds;
+ qe.statement = statement;
+ // Nic says: connection should wrap pg_stream.
+ qe.pg_stream = pg_stream;
+ if (statement != null)
+ qe.maxRows = statement.getMaxRows();
+ else
+ qe.maxRows = 0;
+ // The result set.
+ qe.rs = rs;
+ qe.execute();
+ }
+
+ // This is the result set used to wrap the results.
+ // The type of this is whatever is passed into the static above.
+ private java.sql.ResultSet rs;
+
+ // cons for the static above.
+ private QueryExecutor ()
+ {
+ }
+
+
+
+
+ /*** pre-nic implementation ***/
+
+
+ /// Nic has removed the final from ALL of these (to facilitate static method).
+ private String[] m_sqlFrags;
+ private Object[] m_binds;
+ private java.sql.Statement statement;
+ private PG_Stream pg_stream;
+ private org.postgresql.jdbc1.AbstractJdbc1Connection connection;

- private final String[] m_sqlFrags;
- private final Object[] m_binds;
- private final java.sql.Statement statement;
- private final PG_Stream pg_stream;
- private final org.postgresql.jdbc1.AbstractJdbc1Connection connection;

public QueryExecutor(String[] p_sqlFrags, Object[] p_binds,
java.sql.Statement statement,
@@ -33,7 +77,7 @@
{
this.m_sqlFrags = p_sqlFrags;
this.m_binds = p_binds;
- this.statement = statement;
+ this.statement = statement;
this.pg_stream = pg_stream;
this.connection = (org.postgresql.jdbc1.AbstractJdbc1Connection)connection;

@@ -43,6 +87,7 @@
maxRows = 0;
}

+
private Field[] fields = null;
private Vector tuples = new Vector();
private boolean binaryCursor = false;
@@ -51,8 +96,10 @@
private long insert_oid = 0;
private int maxRows;

+
/*
* Execute a query on the backend.
+ *
*/
public java.sql.ResultSet execute() throws SQLException
{
@@ -130,7 +177,12 @@
if ( errorMessage != null )
throw new SQLException( errorMessage.toString() );

- return connection.getResultSet(statement, fields, tuples, status, update_count, insert_oid, binaryCursor);
+
+ // Nic changes.
+ PGResultSet resSet = ((PGResultSet)rs);
+ // System.out.println(getClass().getName() + " resSet=" + resSet);
+ resSet.init(fields, tuples, status, update_count, insert_oid, binaryCursor);
+ return rs;
}
}

diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java Sat Nov 16 22:24:29 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java Fri Nov 15 09:34:39 2002
@@ -14,7 +14,7 @@
import org.postgresql.util.*;


-/* $Header: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java,v 1.13 2002/11/14 05:35:45 barry Exp $
+/* $Header: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java,v 1.12.2.1 2002/11/14 05:54:39 barry Exp $
* This class defines methods of the jdbc1 specification. This class is
* extended by org.postgresql.jdbc2.AbstractJdbc2Connection which adds the jdbc2
* methods. The real Connection class (for jdbc1) is org.postgresql.jdbc1.Jdbc1Connection
@@ -350,9 +350,10 @@
// Set datestyle and fetch db encoding in a single call, to avoid making
// more than one round trip to the backend during connection startup.

- java.sql.ResultSet resultSet =
- ExecSQL("set datestyle to 'ISO'; select version(), " + encodingQuery + ";");

+ java.sql.ResultSet resultSet
+ = doQuery("set datestyle to 'ISO'; select version(), " + encodingQuery + ";");
+
if (! resultSet.next())
{
throw new PSQLException("postgresql.con.failed", "failed getting backend encoding");
@@ -373,7 +374,7 @@
if (haveMinimumServerVersion("7.3"))
{
java.sql.ResultSet acRset =
- ExecSQL("set client_encoding = 'UNICODE'; show autocommit");
+ doQuery("set client_encoding = 'UNICODE'; show autocommit");

//set encoding to be unicode
encoding = Encoding.getEncoding("UNICODE", null);
@@ -388,7 +389,7 @@
//to make the setting permanent
if (acRset.getString(1).equals("off"))
{
- ExecSQL("set autocommit = on; commit;");
+ doQuery("set autocommit = on; commit;");
}
}

@@ -409,13 +410,6 @@
return this_driver;
}

- // These methods used to be in the main Connection implementation. As they
- // are common to all implementations (JDBC1 or 2), they are placed here.
- // This should make it easy to maintain the two specifications.
-
- public abstract java.sql.ResultSet getResultSet(Statement statement, org.postgresql.Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor) throws SQLException;
-
- public abstract java.sql.ResultSet getResultSet(Statement statement, org.postgresql.Field[] fields, Vector tuples, String status, int updateCount) throws SQLException;

/*
* This adds a warning to the warning chain.
@@ -445,66 +439,40 @@
//}
}

- /*
- * Send a query to the backend. Returns one of the ResultSet
- * objects.
- *
- * <B>Note:</B> there does not seem to be any method currently
- * in existance to return the update count.
- *
- * @param sql the SQL statement to be executed
- * @return a ResultSet holding the results
- * @exception SQLException if a database error occurs
+ /** Simple query execution.
*/
- public java.sql.ResultSet ExecSQL(String sql) throws SQLException
+ public java.sql.ResultSet doQuery (String s) throws SQLException
{
- return ExecSQL(sql, null);
+ final Object[] nullarr = new Object[0];
+ java.sql.Statement stat = createStatement();
+ java.sql.ResultSet rs = createResultSet(stat);
+ execSQL(new String[] { s }, nullarr, stat, rs);
+ return rs;
}

- /*
- * Send a query to the backend. Returns one of the ResultSet
- * objects.
- *
- * <B>Note:</B> there does not seem to be any method currently
- * in existance to return the update count.
- *
- * @param sql the SQL statement to be executed
- * @param stat The Statement associated with this query (may be null)
- * @return a ResultSet holding the results
- * @exception SQLException if a database error occurs
- */
- public java.sql.ResultSet ExecSQL(String sql, java.sql.Statement stat) throws SQLException
- {
- if (isClosed())
- {
- throw new PSQLException("postgresql.con.closed");
- }
- return new QueryExecutor(new String[] {sql}, EMPTY_OBJECT_ARRAY, stat, pg_stream, (java.sql.Connection)this).execute();
- }
- private static final Object[] EMPTY_OBJECT_ARRAY = new Object[0];
-
- /*
- * Send a query to the backend. Returns one of the ResultSet
- * objects.
- *
- * <B>Note:</B> there does not seem to be any method currently
- * in existance to return the update count.
+ /** Advanced query execution.
*
* @param p_sqlFragmentss the SQL statement parts to be executed
* @param p_binds the SQL bind values
- * @param stat The Statement associated with this query (may be null)
- * @return a ResultSet holding the results
+ * @param stat the statement associated with this query.
+ * @param rs the ResultSet which will be initied for the results.
* @exception SQLException if a database error occurs
*/
- public java.sql.ResultSet ExecSQL(String[] p_sqlFragments, Object[] p_binds, java.sql.Statement stat) throws SQLException
- {
- if (isClosed())
- {
- throw new PSQLException("postgresql.con.closed");
- }
- return new QueryExecutor(p_sqlFragments, p_binds, stat, pg_stream, (java.sql.Connection)this).execute();
+ public void execSQL(String[] p_sqlFragments,
+ Object[] p_binds,
+ java.sql.Statement stat,
+ java.sql.ResultSet rs)
+ throws SQLException
+ {
+ QueryExecutor.execute(p_sqlFragments,
+ p_binds,
+ stat,
+ rs,
+ pg_stream,
+ (java.sql.Connection)this);
}

+
/*
* In SQL, a result table can be retrieved through a cursor that
* is named. The current row of a result can be updated or deleted
@@ -939,27 +907,27 @@
//We do the select to ensure a transaction is in process
//before we do the commit to avoid warning messages
//from issuing a commit without a transaction in process
- ExecSQL("select 1; commit; set autocommit = on;");
+ doQuery("select 1; commit; set autocommit = on;");
}
else
{
- ExecSQL("end");
+ doQuery("end");
}
}
else
{
if (haveMinimumServerVersion("7.3"))
{
- ExecSQL("set autocommit = off; " + getIsolationLevelSQL());
+ doQuery("set autocommit = off; " + getIsolationLevelSQL());
}
else if (haveMinimumServerVersion("7.1"))
{
- ExecSQL("begin;" + getIsolationLevelSQL());
+ doQuery("begin;" + getIsolationLevelSQL());
}
else
{
- ExecSQL("begin");
- ExecSQL(getIsolationLevelSQL());
+ doQuery("begin");
+ doQuery(getIsolationLevelSQL());
}
}
this.autoCommit = autoCommit;
@@ -993,17 +961,17 @@
return ;
if (haveMinimumServerVersion("7.3"))
{
- ExecSQL("commit; " + getIsolationLevelSQL());
+ doQuery("commit; " + getIsolationLevelSQL());
}
else if (haveMinimumServerVersion("7.1"))
{
- ExecSQL("commit;begin;" + getIsolationLevelSQL());
+ doQuery("commit;begin;" + getIsolationLevelSQL());
}
else
{
- ExecSQL("commit");
- ExecSQL("begin");
- ExecSQL(getIsolationLevelSQL());
+ doQuery("commit");
+ doQuery("begin");
+ doQuery(getIsolationLevelSQL());
}
}

@@ -1024,17 +992,17 @@
//we don't automatically start a transaction
//but let the server functionality automatically start
//one when the first statement is executed
- ExecSQL("rollback; " + getIsolationLevelSQL());
+ doQuery("rollback; " + getIsolationLevelSQL());
}
else if (haveMinimumServerVersion("7.1"))
{
- ExecSQL("rollback; begin;" + getIsolationLevelSQL());
+ doQuery("rollback; begin;" + getIsolationLevelSQL());
}
else
{
- ExecSQL("rollback");
- ExecSQL("begin");
- ExecSQL(getIsolationLevelSQL());
+ doQuery("rollback");
+ doQuery("begin");
+ doQuery(getIsolationLevelSQL());
}
}

@@ -1049,14 +1017,14 @@
String sql = "show transaction isolation level";
String level = null;
if (haveMinimumServerVersion("7.3")) {
- ResultSet rs = ExecSQL(sql);
+ ResultSet rs = doQuery(sql);
if (rs.next()) {
level = rs.getString(1);
}
rs.close();
} else {
clearWarnings();
- ExecSQL(sql);
+ doQuery(sql);
SQLWarning warning = getWarnings();
if (warning != null)
{
@@ -1121,7 +1089,7 @@
new Integer(isolationLevel));
}
}
- ExecSQL(isolationLevelSQL);
+ doQuery(isolationLevelSQL);
}

/*
@@ -1264,7 +1232,7 @@
} else {
sql = "SELECT typname FROM pg_type WHERE oid = " +oid;
}
- ResultSet result = ExecSQL(sql);
+ ResultSet result = doQuery(sql);
if (((AbstractJdbc1ResultSet)result).getColumnCount() != 1 || ((AbstractJdbc1ResultSet)result).getTupleCount() != 1) {
throw new PSQLException("postgresql.unexpected");
}
@@ -1305,7 +1273,7 @@
} else {
sql = "SELECT oid FROM pg_type WHERE typname='" + typeName + "'";
}
- ResultSet result = ExecSQL(sql);
+ ResultSet result = doQuery(sql);
if (((AbstractJdbc1ResultSet)result).getColumnCount() != 1 || ((AbstractJdbc1ResultSet)result).getTupleCount() != 1)
throw new PSQLException("postgresql.unexpected");
result.next();
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java Mon Nov 11 07:11:12 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java Fri Nov 15 09:31:00 2002
@@ -1913,7 +1913,9 @@
}
rs.close();

- return connection.getResultSet(null, f, v, "OK", 1);
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -2199,7 +2201,10 @@
tuple[0] = types[i].getBytes();
v.addElement(tuple);
}
- return connection.getResultSet(null, f, v, "OK", 1);
+
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -2366,7 +2371,9 @@
}
rs.close();

- return connection.getResultSet(null, f, v, "OK", 1);
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -2478,7 +2485,10 @@
}
}
rs.close();
- return connection.getResultSet(null, f, v, "OK", 1);
+
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -2580,7 +2590,9 @@
}
rs.close();

- return connection.getResultSet(null, f, v, "OK", 1);
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

private static void sortStringArray(String s[]) {
@@ -2773,7 +2785,10 @@
tuple[7] = Integer.toString(java.sql.DatabaseMetaData.bestRowNotPseudo).getBytes();
v.addElement(tuple);
}
- return connection.getResultSet(null, f, v, "OK", 1);
+
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -2843,7 +2858,9 @@
/* Perhaps we should check that the given
* catalog.schema.table actually exists. -KJ
*/
- return connection.getResultSet(null, f, v, "OK", 1);
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -3193,7 +3210,9 @@
tuples.addElement(tuple);
}

- return connection.getResultSet(null, f, tuples, "OK", 1);
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, tuples, "OK", 1, 0, false);
+ return retRs;
}

/*
@@ -3478,7 +3497,10 @@
v.addElement(tuple);
}
rs.close();
- return connection.getResultSet(null, f, v, "OK", 1);
+
+ java.sql.ResultSet retRs = connection.createResultSet(connection.createStatement());
+ ((AbstractJdbc1ResultSet)retRs).init(f, v, "OK", 1, 0, false);
+ return retRs;
}

/*
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java Sat Oct 19 22:10:36 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java Fri Nov 15 23:29:26 2002
@@ -18,7 +18,7 @@
* extended by org.postgresql.jdbc2.AbstractJdbc2ResultSet which adds the jdbc2
* methods. The real ResultSet class (for jdbc1) is org.postgresql.jdbc1.Jdbc1ResultSet
*/
-public abstract class AbstractJdbc1ResultSet
+public abstract class AbstractJdbc1ResultSet implements org.postgresql.PGResultSet
{

protected Vector rows; // The results
@@ -42,7 +42,13 @@
public byte[][] rowBuffer = null;


- public AbstractJdbc1ResultSet(org.postgresql.PGConnection conn, Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor)
+ public AbstractJdbc1ResultSet(org.postgresql.PGConnection conn,
+ Statement statement,
+ Field[] fields,
+ Vector tuples,
+ String status,
+ int updateCount,
+ long insertOID, boolean binaryCursor)
{
this.connection = conn;
this.statement = statement;
@@ -50,6 +56,9 @@
this.rows = tuples;
this.status = status;
this.updateCount = updateCount;
+
+ System.out.println(getClass().getName() + " updateCount = " + updateCount);
+
this.insertOID = insertOID;
this.this_row = null;
this.current_row = -1;
@@ -57,13 +66,63 @@
}


+ /*** nic constructor: called by superclass which is called from Jdbc1Connection.createResultSet ***/
+ public AbstractJdbc1ResultSet(org.postgresql.PGConnection conn,
+ Statement statement)
+ {
+ this.connection = conn;
+ this.statement = statement;
+ }
+
+ /*** nic initializer. ***/
+ public void init (Field[] fields, Vector tuples, String status,
+ int updateCount, long insertOID, boolean binaryCursor)
+ {
+ this.fields = fields;
+
+ // on a reinit the size of this indicates how many we pulled
+ // back. If it's 0 then the res set has ended.
+ this.rows = tuples;
+ this.status = status;
+ this.updateCount = updateCount;
+ this.insertOID = insertOID;
+ this.this_row = null;
+ this.current_row = -1;
+ this.binaryCursor = binaryCursor;
+ }
+
+
+
+
+ // This slightly altered by nic.
public boolean next() throws SQLException
{
if (rows == null)
throw new PSQLException("postgresql.con.closed");

if (++current_row >= rows.size())
- return false;
+ {
+ int fetchSize = ((AbstractJdbc1Statement)statement).fetchSize;
+ // Must be false if we weren't batching.
+ if (fetchSize == 0)
+ return false;
+ // Use the ref to the statement to get
+ // the details we need to do another cursor
+ // query - it will use reinit() to repopulate this
+ // with the right data.
+ String[] sql = new String[1];
+ String[] binds = new String[0];
+ // Is this the correct query???
+ String cursorName = ((AbstractJdbc1Statement)statement).m_statementName;
+ sql[0] = "FETCH FORWARD " + fetchSize + " FROM " + cursorName + " ;";
+ ((AbstractJdbc1Connection)connection).execSQL(sql, binds, statement, (java.sql.ResultSet)this);
+
+ // Test the new rows array.
+ if (rows.size() == 0)
+ return false;
+ // Otherwise reset the counter and let it go on...
+ current_row = 0;
+ }

this_row = (byte [][])rows.elementAt(current_row);

diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java Sat Nov 16 22:24:29 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java Fri Nov 15 23:12:53 2002
@@ -8,7 +8,7 @@
import org.postgresql.largeobject.*;
import org.postgresql.util.*;

-/* $Header: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java,v 1.13 2002/11/14 05:35:45 barry Exp $
+/* $Header: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java,v 1.12.2.1 2002/11/14 05:54:39 barry Exp $
* This class defines methods of the jdbc1 specification. This class is
* extended by org.postgresql.jdbc2.AbstractJdbc2Statement which adds the jdbc2
* methods. The real Statement class (for jdbc1) is org.postgresql.jdbc1.Jdbc1Statement
@@ -25,6 +25,9 @@
/** Maximum number of rows to return, 0 = unlimited */
protected int maxrows = 0;

+ /** Number of rows to get in a batch. */
+ protected int fetchSize = 0;
+
/** Timeout (in seconds) for a query (not used) */
protected int timeout = 0;

@@ -48,7 +51,7 @@
private String[] m_executeSqlFragments;
protected Object[] m_binds = new Object[0];
private String[] m_bindTypes = new String[0];
- private String m_statementName = null;
+ protected String m_statementName = null;
private boolean m_useServerPrepare = false;
private static int m_preparedCount = 1;

@@ -117,7 +120,7 @@

}

-
+
/*
* Execute a SQL statement that retruns a single ResultSet
*
@@ -133,7 +136,7 @@
//If we have already created a server prepared statement, we need
//to deallocate the existing one
if (m_statementName != null) {
- ((AbstractJdbc1Connection)connection).ExecSQL("DEALLOCATE " + m_statementName);
+ ((AbstractJdbc1Connection)connection).doQuery("DEALLOCATE " + m_statementName);
m_statementName = null;
m_origSqlFragments = null;
m_executeSqlFragments = null;
@@ -150,7 +153,10 @@
*/
public java.sql.ResultSet executeQuery() throws SQLException
{
- this.execute();
+ if (fetchSize > 0)
+ this.nic_execute();
+ else
+ this.execute();
while (result != null && !((AbstractJdbc1ResultSet)result).reallyResultSet())
result = ((AbstractJdbc1ResultSet)result).getNext();
if (result == null)
@@ -175,7 +181,7 @@
//If we have already created a server prepared statement, we need
//to deallocate the existing one
if (m_statementName != null) {
- ((AbstractJdbc1Connection)connection).ExecSQL("DEALLOCATE " + m_statementName);
+ ((AbstractJdbc1Connection)connection).doQuery("DEALLOCATE " + m_statementName);
m_statementName = null;
m_origSqlFragments = null;
m_executeSqlFragments = null;
@@ -219,7 +225,7 @@
//If we have already created a server prepared statement, we need
//to deallocate the existing one
if (m_statementName != null) {
- ((AbstractJdbc1Connection)connection).ExecSQL("DEALLOCATE " + m_statementName);
+ ((AbstractJdbc1Connection)connection).doQuery("DEALLOCATE " + m_statementName);
m_statementName = null;
m_origSqlFragments = null;
m_executeSqlFragments = null;
@@ -317,7 +323,9 @@
}

// New in 7.1, pass Statement so that ExecSQL can customise to it
- result = ((AbstractJdbc1Connection)connection).ExecSQL(m_sqlFragments, m_binds, (java.sql.Statement)this);
+ result = ((AbstractJdbc1Connection)connection).createResultSet((java.sql.Statement)this);
+ ((AbstractJdbc1Connection)connection).execSQL(m_sqlFragments, m_binds,
+ (java.sql.Statement)this, result);

//If we are executing a callable statement function set the return data
if (isFunction)
@@ -341,6 +349,110 @@
}
}

+ /** version of execute which converts the query to a cursor.
+ */
+ public boolean nic_execute() throws SQLException
+ {
+ if (isFunction && !returnTypeSet)
+ throw new PSQLException("postgresql.call.noreturntype");
+ if (isFunction)
+ { // set entry 1 to dummy entry..
+ m_binds[0] = ""; // dummy entry which ensured that no one overrode
+ m_bindTypes[0] = PG_TEXT;
+ // and calls to setXXX (2,..) really went to first arg in a function call..
+ }
+
+ // New in 7.1, if we have a previous resultset then force it to close
+ // This brings us nearer to compliance, and helps memory management.
+ // Internal stuff will call ExecSQL directly, bypassing this.
+ if (result != null)
+ {
+ java.sql.ResultSet rs = getResultSet();
+ if (rs != null)
+ rs.close();
+ }
+
+ // I've pretty much ignored server prepared statements... can declare and prepare be
+ // used together?
+ // It's trivial to change this: you just have to resolve this issue
+ // of how to work out whether there's a function call. If there isn't then the first
+ // element of the array must be the bit that you extend to become the cursor
+ // decleration.
+ // The last thing that can go wrong is when the user supplies a cursor statement
+ // directly: the translation takes no account of that. I think we should just look
+ // for declare and stop the translation if we find it.
+
+ // The first thing to do is transform the statement text into the cursor form.
+ String[] origSqlFragments = m_sqlFragments;
+ if (origSqlFragments.length > 1)
+ m_sqlFragments = new String[origSqlFragments.length + 1];
+ else
+ m_sqlFragments = new String[origSqlFragments.length];
+ System.arraycopy(origSqlFragments, 0, m_sqlFragments, 0, origSqlFragments.length);
+ // Pinch the prepared count for our own nefarious purposes.
+ m_statementName = "JDBC_CURS_" + m_preparedCount++;
+ // The static bit to prepend to all querys.
+ String cursDecl = "BEGIN; DECLARE " + m_statementName + " CURSOR FOR ";
+ String endCurs = " FETCH FORWARD " + fetchSize + " FROM " + m_statementName + ";";
+
+ // Add the real query to the curs decleration.
+ // This is the bit that really makes the presumption about
+ // m_sqlFragments not being a function call.
+ if (m_sqlFragments.length < 1)
+ m_sqlFragments[0] = cursDecl + "SELECT NULL;";
+
+ else if (m_sqlFragments.length < 2)
+ {
+ if (m_sqlFragments[0].endsWith(";"))
+ m_sqlFragments[0] = cursDecl + m_sqlFragments[0] + endCurs;
+ else
+ m_sqlFragments[0] = cursDecl + m_sqlFragments[0] + ";" + endCurs;
+ }
+ else
+ {
+ m_sqlFragments[0] = cursDecl + m_sqlFragments[0];
+ if (m_sqlFragments[m_sqlFragments.length - 2].endsWith(";"))
+ m_sqlFragments[m_sqlFragments.length - 1] = endCurs;
+ else
+ m_sqlFragments[m_sqlFragments.length - 1] = ";" + endCurs;
+ }
+
+ // Make the call to the query executor.
+ AbstractJdbc1Connection execr = (AbstractJdbc1Connection)connection;
+ java.sql.Statement st = (java.sql.Statement)this;
+ result = (java.sql.ResultSet) execr.createResultSet(st);
+ // Nic says:
+ // we don't need to collect the result here, rs is altered to
+ // be the result set so "result = rs" would do ok after this call.
+ execr.execSQL(m_sqlFragments, m_binds, st, result);
+
+ //If we are executing a callable statement function set the return data
+ if (isFunction)
+ {
+ if (!((AbstractJdbc1ResultSet)result).reallyResultSet())
+ throw new PSQLException("postgresql.call.noreturnval");
+ if (!result.next ())
+ throw new PSQLException ("postgresql.call.noreturnval");
+ callResult = result.getObject(1);
+ int columnType = result.getMetaData().getColumnType(1);
+ if (columnType != functionReturnType)
+ {
+ Object[] arr =
+ { "java.sql.Types=" + columnType,
+ "java.sql.Types=" + functionReturnType
+ };
+ throw new PSQLException ("postgresql.call.wrongrtntype",arr);
+ }
+ result.close ();
+ return true;
+ }
+ else
+ {
+ return (result != null && ((AbstractJdbc1ResultSet)result).reallyResultSet());
+ }
+ }
+
+
/*
* setCursorName defines the SQL cursor name that will be used by
* subsequent execute methods. This name can then be used in SQL
@@ -593,7 +705,7 @@

// If using server prepared statements deallocate them
if (m_useServerPrepare && m_statementName != null) {
- ((AbstractJdbc1Connection)connection).ExecSQL("DEALLOCATE " + m_statementName);
+ ((AbstractJdbc1Connection)connection).doQuery("DEALLOCATE " + m_statementName);
}

// Disasociate it from us (For Garbage Collection)
@@ -1912,7 +2024,7 @@
//If turning server prepared statements off deallocate statement
//and reset statement name
if (m_useServerPrepare != flag && !flag)
- ((AbstractJdbc1Connection)connection).ExecSQL("DEALLOCATE " + m_statementName);
+ ((AbstractJdbc1Connection)connection).doQuery("DEALLOCATE " + m_statementName);
m_statementName = null;
m_useServerPrepare = flag;
} else {
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/Jdbc1Connection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/Jdbc1Connection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc1/Jdbc1Connection.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc1/Jdbc1Connection.java Thu Nov 7 22:27:15 2002
@@ -46,6 +46,12 @@
return new Jdbc1ResultSet(this, stat, fields, tuples, status, updateCount, 0, false);
}

+
+ public java.sql.ResultSet createResultSet (java.sql.Statement stat) throws SQLException
+ {
+ // This needs doing.
+ return null;
+ }
}


diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Connection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Connection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Connection.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Connection.java Sat Oct 12 19:37:33 2002
@@ -6,6 +6,7 @@
import java.sql.*;
import org.postgresql.util.PSQLException;

+
/* $Header: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Connection.java,v 1.2 2002/09/06 21:23:06 momjian Exp $
* This class defines methods of the jdbc2 specification. This class extends
* org.postgresql.jdbc1.AbstractJdbc1Connection which provides the jdbc1
@@ -17,7 +18,7 @@
* The current type mappings
*/
protected java.util.Map typemap;
-
+
public java.sql.Statement createStatement() throws SQLException
{
// The spec says default of TYPE_FORWARD_ONLY but everyone is used to
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java Mon Nov 4 06:42:33 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java Fri Nov 15 09:52:10 2002
@@ -38,6 +38,11 @@
protected PreparedStatement deleteStatement = null;
private PreparedStatement selectStatement = null;

+
+ AbstractJdbc2ResultSet (org.postgresql.PGConnection conn, Statement statement)
+ {
+ super(conn, statement);
+ }


public AbstractJdbc2ResultSet(org.postgresql.PGConnection conn, Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor)
@@ -142,6 +147,14 @@
{
return getString(columnIndex);
}
+ else if (type.equals("refcursor"))
+ {
+ // We must return a ResultSet with the results packaged.
+ // We should probably check that auto commit is turned off.
+ String cursorName = getString(columnIndex);
+ // return new RefCursorResultSet(cursorName);
+ return null;
+ }
else
{
return connection.getObject(field.getPGType(), getString(columnIndex));
@@ -366,9 +379,7 @@

public int getFetchSize() throws SQLException
{
- // In this implementation we return the entire result set, so
- // here return the number of rows we have. Sub-classes can return a proper
- // value
+ // Returning the current batch size seems the right thing to do.
return rows.size();
}

@@ -754,7 +765,6 @@
}

updateValue(columnIndex, theData);
-
}


@@ -787,7 +797,6 @@
throw new PSQLException("postgresql.updateable.ioerror" + ie);
}
updateValue(columnIndex, theData);
-
}


diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Statement.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Statement.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Statement.java Wed Oct 30 04:33:29 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2Statement.java Fri Nov 15 09:47:27 2002
@@ -115,7 +115,7 @@

public int getFetchSize() throws SQLException
{
- return 0;
+ return super.fetchSize;
}

public int getResultSetConcurrency() throws SQLException
@@ -130,12 +130,14 @@

public void setFetchDirection(int direction) throws SQLException
{
- throw org.postgresql.Driver.notImplemented();
+ // I don't think this should happen, since it's a hint it should just
+ // fail quietly.
+ // throw org.postgresql.Driver.notImplemented();
}

public void setFetchSize(int rows) throws SQLException
{
- throw org.postgresql.Driver.notImplemented();
+ super.fetchSize = rows;
}

public void setResultSetConcurrency(int value) throws SQLException
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Array.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Array.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Array.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Array.java Thu Nov 7 23:32:30 2002
@@ -343,7 +343,10 @@
default:
throw org.postgresql.Driver.notImplemented();
}
- return ((AbstractJdbc2Connection)conn).getResultSet(null, fields, rows, "OK", 1 );
+ java.sql.Statement stat = ((AbstractJdbc2Connection)conn).createStatement();
+ java.sql.ResultSet retRs = ((AbstractJdbc2Connection)conn).createResultSet(stat);
+ ((AbstractJdbc2ResultSet)retRs).init(fields, rows, "OK", 1, 0, false);
+ return retRs;
}

public String toString()
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2Connection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2Connection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2Connection.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2Connection.java Thu Nov 7 23:29:13 2002
@@ -46,6 +46,38 @@
return metadata;
}

+
+
+ // the new method override which re-inits existing resultsets
+ public java.sql.ResultSet getResultSet(java.sql.Statement stat,
+ org.postgresql.jdbc1.AbstractJdbc1ResultSet rs,
+ Field[] fields,
+ Vector tuples,
+ String status,
+ int updateCount, long insertOID, boolean binaryCursor)
+ throws SQLException
+ {
+ if (rs == null)
+ return new Jdbc2ResultSet(this, stat, fields,
+ tuples, status,
+ updateCount, insertOID, binaryCursor);
+ else
+ {
+ rs.init(fields, tuples, status, updateCount, insertOID, binaryCursor);
+ return (java.sql.ResultSet) rs;
+ }
+ }
+
+
+
+
+ /** new nic method **/
+ public java.sql.ResultSet createResultSet (Statement statement)
+ {
+ return new Jdbc2ResultSet(this, statement);
+ }
+
+
public java.sql.ResultSet getResultSet(Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor) throws SQLException
{
return new Jdbc2ResultSet(this, statement, fields, tuples, status, updateCount, insertOID, binaryCursor);
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java Wed Sep 11 05:38:45 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java Wed Nov 6 12:19:43 2002
@@ -13,6 +13,12 @@
public class Jdbc2ResultSet extends org.postgresql.jdbc2.AbstractJdbc2ResultSet implements java.sql.ResultSet
{

+ Jdbc2ResultSet (org.postgresql.PGConnection conn, Statement statement)
+ {
+ super (conn, statement);
+ }
+
+
public Jdbc2ResultSet(Jdbc2Connection conn, Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor)
{
super(conn, statement, fields, tuples, status, updateCount, insertOID, binaryCursor);
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3ResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3ResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3ResultSet.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3ResultSet.java Thu Nov 14 23:14:05 2002
@@ -12,6 +12,12 @@
public abstract class AbstractJdbc3ResultSet extends org.postgresql.jdbc2.AbstractJdbc2ResultSet
{

+ AbstractJdbc3ResultSet (org.postgresql.PGConnection conn, Statement statement)
+ {
+ super(conn, statement);
+ }
+
+
public AbstractJdbc3ResultSet(org.postgresql.PGConnection conn, Statement statement, org.postgresql.Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor)
{
super (conn, statement, fields, tuples, status, updateCount, insertOID, binaryCursor);
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3Connection.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3Connection.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3Connection.java Fri Sep 6 21:23:06 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3Connection.java Thu Nov 14 23:12:57 2002
@@ -46,14 +46,16 @@
return metadata;
}

- public java.sql.ResultSet getResultSet(Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor) throws SQLException
- {
- return new Jdbc3ResultSet(this, statement, fields, tuples, status, updateCount, insertOID, binaryCursor);
- }

- public java.sql.ResultSet getResultSet(Statement statement, Field[] fields, Vector tuples, String status, int updateCount) throws SQLException
+
+
+
+
+
+ /** new nic method **/
+ public java.sql.ResultSet createResultSet (Statement statement)
{
- return new Jdbc3ResultSet(this, statement, fields, tuples, status, updateCount, 0, false);
+ return new Jdbc3ResultSet(this, statement);
}

}
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3ResultSet.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3ResultSet.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3ResultSet.java Wed Sep 11 05:38:45 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3ResultSet.java Thu Nov 14 23:13:35 2002
@@ -13,6 +13,13 @@
public class Jdbc3ResultSet extends org.postgresql.jdbc3.AbstractJdbc3ResultSet implements java.sql.ResultSet
{

+ Jdbc3ResultSet (org.postgresql.PGConnection conn, Statement statement)
+ {
+ super (conn, statement);
+ }
+
+
+
public Jdbc3ResultSet(Jdbc3Connection conn, Statement statement, Field[] fields, Vector tuples, String status, int updateCount, long insertOID, boolean binaryCursor)
{
super(conn, statement, fields, tuples, status, updateCount, insertOID, binaryCursor);
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/test/jdbc2/DatabaseMetaDataTest.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/test/jdbc2/DatabaseMetaDataTest.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/test/jdbc2/DatabaseMetaDataTest.java Mon Nov 11 07:11:12 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/test/jdbc2/DatabaseMetaDataTest.java Fri Nov 15 09:31:03 2002
@@ -9,7 +9,7 @@
*
* PS: Do you know how difficult it is to type on a train? ;-)
*
- * $Id: DatabaseMetaDataTest.java,v 1.16 2002/11/11 07:11:12 barry Exp $
+ * $Id: DatabaseMetaDataTest.java,v 1.15.2.1 2002/11/11 07:30:08 barry Exp $
*/

public class DatabaseMetaDataTest extends TestCase
diff --exclude .#* --exclude Makefile --exclude build.xml --exclude filelis* --exclude Driver.java --exclude CVS --exclude *.jar --exclude *.class --exclude *~ -Naur currentcvs/src/interfaces/jdbc/org/postgresql/util/Serialize.java pgsql-cvs/src/interfaces/jdbc/org/postgresql/util/Serialize.java
--- currentcvs/src/interfaces/jdbc/org/postgresql/util/Serialize.java Tue Oct 1 00:39:02 2002
+++ pgsql-cvs/src/interfaces/jdbc/org/postgresql/util/Serialize.java Thu Nov 7 23:29:29 2002
@@ -405,7 +405,7 @@

if (Driver.logDebug)
Driver.debug("Serialize.store: " + sb.toString() );
- ResultSet rs = ((org.postgresql.jdbc1.AbstractJdbc1Connection)conn).ExecSQL(sb.toString());
+ ResultSet rs = ((org.postgresql.jdbc1.AbstractJdbc1Connection)conn).doQuery(sb.toString());

// fetch the OID for returning
if (update)

--=-=-=

Nic

--=-=-=--

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