- findUniqueColumns
It finds unique columns from a EvalNode.
- changeColumnRef
- findDistinctAggFunction
- getContainExpr
- isJoinQual
If a given expression is join condition, it returns TRUE. Otherwise, it returns
FALSE. If three cond
- replace
- checkIfPartitionSelection
Checks whether EvalNode consists of only partition columns and const values. The
partition based sim
- columnsToStr
- containColumnRef
Examine if the expr contains the column reference corresponding to the target
column
- evaluateImmediately
- extractJoinConditions
It separates a singular CNF-formed join condition into a join condition, a left
join filter, and rig
- findAllColumnRefs