Map <AbstractExpression, Integer> aggTableIndexMap,
Map <Integer, ParsedColInfo> indexToColumnMap)
{
Integer ii = aggTableIndexMap.get(this);
if (ii != null) {
ParsedColInfo col = indexToColumnMap.get(ii);
TupleValueExpression tve = new TupleValueExpression(
col.tableName, col.tableAlias, col.columnName, col.alias, ii);
tve.setTypeSizeBytes(getValueType(), getValueSize(), getInBytes());
// To prevent pushdown of LIMIT when ORDER BY references an agg. ENG-3487.