Wed Jan 31 08:46:00 GMT 2001 peter@retep.org.uk

- Some minor additions to Statement to make our own extensions more
          portable.
        - Statement.close() will now call ResultSet.close() rather than just
          dissasociating with it.
This commit is contained in:
Peter Mount 2001-01-31 09:23:45 +00:00
parent 8439a83d84
commit 234599e943
6 changed files with 80 additions and 6 deletions

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@ -1,3 +1,9 @@
Wed Jan 31 08:46:00 GMT 2001 peter@retep.org.uk
- Some minor additions to Statement to make our own extensions more
portable.
- Statement.close() will now call ResultSet.close() rather than just
dissasociating with it.
Tue Jan 30 22:24:00 GMT 2001 peter@retep.org.uk
- Fixed bug where Statement.setMaxRows() was a global setting. Now
limited to just itself.

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@ -6,7 +6,7 @@ import java.text.*;
/**
*
* $Id: basic.java,v 1.6 2001/01/31 08:26:01 peter Exp $
* $Id: basic.java,v 1.7 2001/01/31 09:23:45 peter Exp $
*
* This example tests the basic components of the JDBC driver, and shows
* how even the simplest of queries can be implemented.
@ -86,7 +86,7 @@ public class basic
// This shows how to get the oid of a just inserted row
// updated for 7.1
st.executeUpdate("insert into basic values (4,1)");
int insertedOID = ((org.postgresql.jdbc2.Statement)st).getInsertedOID();
int insertedOID = ((org.postgresql.Statement)st).getInsertedOID();
System.out.println("Inserted row with oid "+insertedOID);
// Now change the value of b from 1 to 8

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@ -9,7 +9,7 @@
<property category="sys" name="CheckStable" value="1" />
<property category="sys" name="Company" value="" />
<property category="sys" name="Copyright" value="Copyright (c) 2001" />
<property category="sys" name="DefaultPackage" value="org.postgresql.largeobject" />
<property category="sys" name="DefaultPackage" value="org.postgresql" />
<property category="sys" name="Description" value="" />
<property category="sys" name="DocPath" value="doc" />
<property category="sys" name="ExcludeClassEnabled" value="0" />

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@ -0,0 +1,42 @@
package org.postgresql;
import java.sql.SQLException;
/**
* This class defines methods implemented by the two subclasses
* org.postgresql.jdbc1.Statement and org.postgresql.jdbc2.Statement that are
* unique to PostgreSQL's JDBC driver.
*
* <p>They are defined so that client code can cast to org.postgresql.Statement
* without having to predetermine the jdbc driver type.
*
* <p>ie: Before this class existed, you had to use:
*
* <p>((org.postgresql.jdbc2.Statement)stat).getInsertedOID();
*
* <p>now you use:
*
* <p>((org.postgresql.Statement)stat).getInsertedOID();
*
* <p>As you can see, this is independent of JDBC1.2, JDBC2.0 or the upcoming
* JDBC3.
*/
public abstract class Statement {
public Statement() {
}
/**
* Returns the status message from the current Result.<p>
* This is used internally by the driver.
*
* @return status message from backend
*/
public abstract String getResultStatusString();
/**
* @return the OID of the last row inserted
*/
public abstract int getInsertedOID() throws SQLException;
}

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@ -90,7 +90,13 @@ public class Statement implements java.sql.Statement
*/
public void close() throws SQLException
{
result = null;
// Force the ResultSet to close
java.sql.ResultSet rs = getResultSet();
if(rs!=null)
rs.close();
// Disasociate it from us (For Garbage Collection)
result = null;
}
/**
@ -327,4 +333,18 @@ public class Statement implements java.sql.Statement
return null;
return ((org.postgresql.ResultSet)result).getStatusString();
}
/**
* New in 7.1: Returns the Last inserted oid. This should be used, rather
* than the old method using getResultSet, which for executeUpdate returns
* null.
* @return OID of last insert
*/
public int getInsertedOID() throws SQLException
{
if(result!=null)
return ((org.postgresql.ResultSet)result).getInsertedOID();
return 0;
}
}

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@ -22,7 +22,7 @@ import org.postgresql.util.*;
* @see java.sql.Statement
* @see ResultSet
*/
public class Statement implements java.sql.Statement
public class Statement extends org.postgresql.Statement implements java.sql.Statement
{
Connection connection; // The connection who created us
java.sql.ResultSet result = null; // The current results
@ -95,7 +95,13 @@ public class Statement implements java.sql.Statement
*/
public void close() throws SQLException
{
result = null;
// Force the ResultSet to close
java.sql.ResultSet rs = getResultSet();
if(rs!=null)
rs.close();
// Disasociate it from us (For Garbage Collection)
result = null;
}
/**