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patch submitted by Jason Davies jason@netspade.com to improve ResultSetMetaData.getColumnClassName() support

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This commit is contained in:
Barry Lind 2002-06-24 05:09:29 +00:00
parent c50bf0190f
commit 99aa2f8ef9
3 changed files with 60 additions and 32 deletions
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4
src/interfaces/jdbc/org/postgresql/jdbc1/ResultSet.java
View File

@ -935,9 +935,9 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
switch (field.getSQLType())
{
case Types.BIT:
return new Boolean(getBoolean(columnIndex));
return getBoolean(columnIndex) ? Boolean.TRUE : Boolean.FALSE;
case Types.SMALLINT:
return new Short((short)getInt(columnIndex));
return new Short(getShort(columnIndex));
case Types.INTEGER:
return new Integer(getInt(columnIndex));
case Types.BIGINT:

4
src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
View File

@ -780,9 +780,9 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
switch (field.getSQLType())
{
case Types.BIT:
return new Boolean(getBoolean(columnIndex));
return getBoolean(columnIndex) ? Boolean.TRUE : Boolean.FALSE;
case Types.SMALLINT:
return new Short((short)getInt(columnIndex));
return new Short(getShort(columnIndex));
case Types.INTEGER:
return new Integer(getInt(columnIndex));
case Types.BIGINT:

84
src/interfaces/jdbc/org/postgresql/jdbc2/ResultSetMetaData.java
View File

@ -471,6 +471,21 @@ public class ResultSetMetaData implements java.sql.ResultSetMetaData
// ** JDBC 2 Extensions **
// This can hook into our PG_Object mechanism
/**
* Returns the fully-qualified name of the Java class whose instances
* are manufactured if the method <code>ResultSet.getObject</code>
* is called to retrieve a value from the column.
*
* <code>ResultSet.getObject</code> may return a subclass of the class
* returned by this method.
*
* @param column the first column is 1, the second is 2, ...
* @return the fully-qualified name of the class in the Java programming
* language that would be used by the method
* <code>ResultSet.getObject</code> to retrieve the value in the specified
* column. This is the class name used for custom mapping.
* @exception SQLException if a database access error occurs
*/
public String getColumnClassName(int column) throws SQLException
{
/*
@ -505,34 +520,47 @@ public class ResultSetMetaData implements java.sql.ResultSetMetaData
Types.TIMESTAMP,Types.TIMESTAMP
*/
int sql_type = getField(column).getSQLType();
Field field = getField(column);
int sql_type = field.getSQLType();
switch (sql_type)
{
case Types.BIT:
return("java.lang.Boolean");
case Types.SMALLINT:
return("java.lang.Integer");
case Types.INTEGER:
return("java.lang.Integer");
case Types.BIGINT:
return("java.lang.Long");
case Types.NUMERIC:
return("java.math.BigDecimal");
case Types.REAL:
return("java.lang.Float");
case Types.DOUBLE:
return("java.lang.Double");
case Types.CHAR:
case Types.VARCHAR:
return("java.lang.String");
case Types.DATE:
case Types.TIME:
case Types.TIMESTAMP:
return("java.sql.Timestamp");
default:
throw org.postgresql.Driver.notImplemented();
}
}
switch (sql_type)
{
case Types.BIT:
return("java.lang.Boolean");
case Types.SMALLINT:
return("java.lang.Short");
case Types.INTEGER:
return("java.lang.Integer");
case Types.BIGINT:
return("java.lang.Long");
case Types.NUMERIC:
return("java.math.BigDecimal");
case Types.REAL:
return("java.lang.Float");
case Types.DOUBLE:
return("java.lang.Double");
case Types.CHAR:
case Types.VARCHAR:
return("java.lang.String");
case Types.DATE:
return("java.sql.Date");
case Types.TIME:
return("java.sql.Time");
case Types.TIMESTAMP:
return("java.sql.Timestamp");
case Types.BINARY:
case Types.VARBINARY:
return("java.sql.Object");
case Types.ARRAY:
return("java.sql.Array");
default:
String type = field.getPGType();
if ("unknown".equals(type))
{
return("java.lang.String");
}
return("java.lang.Object");
}
}
}