stmtPartitioning.requiresTwoFragments()) {
return;
}
// this sub-query is single partitioned query on partitioned tables
// promoting the single partition express up the its parent level
AbstractExpression spExpr = stmtPartitioning.singlePartitioningExpression();
for (SchemaColumn col: m_partitioningColumns) {
AbstractExpression tveKey = col.getExpression();
assert(tveKey instanceof TupleValueExpression);
Set<AbstractExpression> values = null;