提交 05a966fc 编写于 作者: B Barry Lind

Applied patch from Paul Sorenson to correctly handle schema names in updateable result sets.

Applied patch from Rich Cullingford to fix a NPE in the absolute() method of result set.
Applied patch from Tarjei Skorgenes to fix a NPE when logging is enabled.

 Modified Files:
 	jdbc/org/postgresql/core/BaseResultSet.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java
 	jdbc/org/postgresql/jdbc2/Array.java
 	jdbc/org/postgresql/util/PSQLException.java
上级 f93672e2
......@@ -6,7 +6,7 @@
* Copyright (c) 2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/core/Attic/BaseResultSet.java,v 1.1 2003/03/07 18:39:41 barry Exp $
* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/core/Attic/BaseResultSet.java,v 1.2 2003/03/08 06:06:55 barry Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -16,16 +16,19 @@ package org.postgresql.core;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Vector;
public interface BaseResultSet
{
public BaseStatement getPGStatement();
public void append(BaseResultSet r);
public void close() throws SQLException;
public int getColumnCount();
public String getCursorName() throws SQLException;
public SimpleDateFormat getDateFormat();
public String getFixedString(int col) throws SQLException;
public long getLastOID();
public ResultSetMetaData getMetaData() throws SQLException;
......@@ -35,6 +38,8 @@ public interface BaseResultSet
public String getStatusString();
public String getString(int columnIndex) throws SQLException;
public StringBuffer getStringBuffer();
public SimpleDateFormat getTimestampFormat();
public SimpleDateFormat getTimestampTZFormat();
public int getTupleCount();
public boolean next() throws SQLException;
public boolean reallyResultSet();
......
/*-------------------------------------------------------------------------
*
* AbstractJdbc1ResultSet.java
* This class defines methods of the jdbc1 specification. This class is
* extended by org.postgresql.jdbc2.AbstractJdbc2ResultSet which adds the
* jdbc2 methods. The real ResultSet class (for jdbc1) is
* org.postgresql.jdbc1.Jdbc1ResultSet
*
* Copyright (c) 2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/Attic/AbstractJdbc1ResultSet.java,v 1.11 2003/03/08 06:06:55 barry Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.jdbc1;
import java.math.BigDecimal;
import java.io.*;
import java.sql.*;
......@@ -19,11 +33,6 @@ import org.postgresql.util.PGbytea;
import org.postgresql.util.PGtokenizer;
import org.postgresql.util.PSQLException;
/* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/Attic/AbstractJdbc1ResultSet.java,v 1.10 2003/03/07 18:39:44 barry Exp $
* This class defines methods of the jdbc1 specification. This class is
* 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 implements BaseResultSet
{
......@@ -47,6 +56,10 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
private StringBuffer sbuf = null;
public byte[][] rowBuffer = null;
private SimpleDateFormat m_tsFormat = null;
private SimpleDateFormat m_tstzFormat = null;
private SimpleDateFormat m_dateFormat = null;
public abstract ResultSetMetaData getMetaData() throws SQLException;
public AbstractJdbc1ResultSet(BaseStatement statement,
......@@ -1020,7 +1033,7 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
l_sbuf.append(":00");
// we'll use this dateformat string to parse the result.
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
df = rs.getTimestampTZFormat();
}
else
{
......@@ -1029,11 +1042,11 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
if (pgDataType.equals("timestamptz"))
{
l_sbuf.append(" GMT");
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
df = rs.getTimestampTZFormat();
}
else
{
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
df = rs.getTimestampFormat();
}
}
}
......@@ -1044,11 +1057,11 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
if (pgDataType.equals("timestamptz"))
{
l_sbuf.append(" GMT");
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
df = rs.getTimestampTZFormat();
}
else
{
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
df = rs.getTimestampFormat();
}
}
else
......@@ -1065,7 +1078,7 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
// We must just have a date. This case is
// needed if this method is called on a date
// column
df = new SimpleDateFormat("yyyy-MM-dd");
df = rs.getDateFormat();
}
try
......@@ -1075,8 +1088,7 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
Driver.debug("the data after parsing is "
+ l_sbuf.toString() + " with " + nanos + " nanos");
Timestamp result =
new Timestamp(df.parse(l_sbuf.toString()).getTime());
Timestamp result = new Timestamp(df.parse(l_sbuf.toString()).getTime());
result.setNanos(nanos);
return result;
}
......@@ -1087,7 +1099,23 @@ public abstract class AbstractJdbc1ResultSet implements BaseResultSet
}
}
public SimpleDateFormat getTimestampTZFormat() {
if (m_tstzFormat == null) {
m_tstzFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
}
return m_tstzFormat;
}
public SimpleDateFormat getTimestampFormat() {
if (m_tsFormat == null) {
m_tsFormat = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");
}
return m_tsFormat;
}
public SimpleDateFormat getDateFormat() {
if (m_dateFormat == null) {
m_dateFormat = new SimpleDateFormat("yyyy-MM-dd");
}
return m_dateFormat;
}
}
......@@ -16,7 +16,7 @@ import org.postgresql.util.PGbytea;
import org.postgresql.util.PSQLException;
/* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/Attic/AbstractJdbc2ResultSet.java,v 1.15 2003/03/07 18:39:45 barry Exp $
/* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/Attic/AbstractJdbc2ResultSet.java,v 1.16 2003/03/08 06:06:55 barry Exp $
* This class defines methods of the jdbc2 specification. This class extends
* org.postgresql.jdbc1.AbstractJdbc1ResultSet which provides the jdbc1
* methods. The real Statement class (for jdbc2) is org.postgresql.jdbc2.Jdbc2ResultSet
......@@ -188,6 +188,10 @@ public abstract class AbstractJdbc2ResultSet extends org.postgresql.jdbc1.Abstra
current_row = internalIndex;
this_row = (byte[][]) rows.elementAt(internalIndex);
rowBuffer = new byte[this_row.length][];
System.arraycopy(this_row, 0, rowBuffer, 0, this_row.length);
return true;
}
......@@ -1319,18 +1323,10 @@ public abstract class AbstractJdbc2ResultSet extends org.postgresql.jdbc1.Abstra
else
{
// otherwise go and get the primary keys and create a hashtable of keys
// if the user has supplied a quoted table name
// remove the quotes, but preserve the case.
// otherwise fold to lower case.
String quotelessTableName;
if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
quotelessTableName = tableName.substring(1,tableName.length()-1);
} else {
quotelessTableName = tableName.toLowerCase();
}
java.sql.ResultSet rs = ((java.sql.Connection) connection).getMetaData().getPrimaryKeys("", "", quotelessTableName);
String[] s = quotelessTableName(tableName);
String quotelessTableName = s[0];
String quotelessSchemaName = s[1];
java.sql.ResultSet rs = ((java.sql.Connection) connection).getMetaData().getPrimaryKeys("", quotelessSchemaName, quotelessTableName);
for (; rs.next(); i++ )
{
String columnName = rs.getString(4); // get the columnName
......@@ -1363,7 +1359,56 @@ public abstract class AbstractJdbc2ResultSet extends org.postgresql.jdbc1.Abstra
return updateable;
}
/** Cracks out the table name and schema (if it exists) from a fully
* qualified table name.
* @param fullname string that we are trying to crack. Test cases:<pre>
* Table: table ()
* "Table": Table ()
* Schema.Table: table (schema)
* "Schema"."Table": Table (Schema)
* "Schema"."Dot.Table": Dot.Table (Schema)
* Schema."Dot.Table": Dot.Table (schema)
* </pre>
* @return String array with element zero always being the tablename and
* element 1 the schema name which may be a zero length string.
*/
public static String[] quotelessTableName(String fullname) {
StringBuffer buf = new StringBuffer(fullname);
String[] parts = new String[] {null, ""};
StringBuffer acc = new StringBuffer();
boolean betweenQuotes = false;
for (int i = 0; i < buf.length(); i++) {
char c = buf.charAt(i);
switch (c) {
case '"':
if ((i < buf.length() - 1) && (buf.charAt(i+1) == '"')) {
// two consecutive quotes - keep one
i++;
acc.append(c); // keep the quote
}
else { // Discard it
betweenQuotes = !betweenQuotes;
}
break;
case '.':
if (betweenQuotes) { // Keep it
acc.append(c);
}
else { // Have schema name
parts[1] = acc.toString();
acc = new StringBuffer();
}
break;
default:
acc.append((betweenQuotes) ? c : Character.toLowerCase(c));
break;
}
}
// Always put table in slot 0
parts[0] = acc.toString();
return parts;
}
public void parseQuery()
{
String[] l_sqlFragments = ((AbstractJdbc2Statement)statement).getSqlFragments();
......
......@@ -7,7 +7,7 @@
* Copyright (c) 2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/util/Attic/PSQLException.java,v 1.9 2003/03/07 18:39:46 barry Exp $
* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/util/Attic/PSQLException.java,v 1.10 2003/03/08 06:06:55 barry Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -122,6 +122,6 @@ public class PSQLException extends SQLException
*/
public String toString()
{
return message;
return message != null ? message : "";
}
}
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