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Source code changes of the file "hsqldb/src/org/hsqldb/ExpressionColumn.java" between
hsqldb-2.7.0.zip and hsqldb-2.7.1.zip

About: HSQLDB (HyperSQL DataBase) is a SQL relational database engine written in Java. It supports nearly full ANSI-92 SQL (BNF format) and full core SQL:2008.

ExpressionColumn.java  (hsqldb-2.7.0)	:	ExpressionColumn.java  (hsqldb-2.7.1)
skipping to change at line 52		skipping to change at line 52
import org.hsqldb.lib.Set;		import org.hsqldb.lib.Set;
import org.hsqldb.map.ValuePool;		import org.hsqldb.map.ValuePool;
import org.hsqldb.navigator.RangeIterator;		import org.hsqldb.navigator.RangeIterator;
import org.hsqldb.persist.PersistentStore;		import org.hsqldb.persist.PersistentStore;
import org.hsqldb.types.Type;		import org.hsqldb.types.Type;
/**		/**
* Implementation of column, variable, parameter, etc. access operations.		* Implementation of column, variable, parameter, etc. access operations.
*		*
* @author Fred Toussi (fredt@users dot sourceforge.net)		* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.6.1		* @version 2.7.1
* @since 1.9.0		* @since 1.9.0
*/		*/
public class ExpressionColumn extends Expression {		public class ExpressionColumn extends Expression {
public static final ExpressionColumn[] emptyArray =		public static final ExpressionColumn[] emptyArray =
new ExpressionColumn[]{};		new ExpressionColumn[]{};
static final SimpleName rownumName =		static final SimpleName rownumName =
HsqlNameManager.getSimpleName("ROWNUM", false);		HsqlNameManager.getSimpleName("ROWNUM", false);
//		//
skipping to change at line 701		skipping to change at line 701
nullability = SchemaObject.Nullability.NO_NULLS;		nullability = SchemaObject.Nullability.NO_NULLS;
for (int i = 0; i < nodes.length; i++) {		for (int i = 0; i < nodes.length; i++) {
type = Type.getAggregateType(nodes[i].dataType, type);		type = Type.getAggregateType(nodes[i].dataType, type);
}		}
dataType = type;		dataType = type;
break;		break;
}		}
		case OpTypes.COLUMN : {
		if (dataType == null) {
		dataType = column.getDataType();
		}
		}
}		}
}		}
public Object getValue(Session session) {		public Object getValue(Session session) {
switch (opType) {		switch (opType) {
case OpTypes.GROUPING :		case OpTypes.GROUPING :
if (session.sessionContext.groupSet == null) {		if (session.sessionContext.groupSet == null) {
return 0;		return 0;
End of changes. 2 change blocks.
1 lines changed or deleted		6 lines changed or added

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