Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/438#discussion_r57250426
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillOperatorTable.java
---
@@ -157,9 +159,23 @@ private void populateWrappedCalciteOperators() {
} else if(calciteOperator instanceof SqlFunction) {
wrapper = new DrillCalciteSqlFunctionWrapper((SqlFunction)
calciteOperator,
getFunctionListWithInference(calciteOperator.getName()));
+ } else if(calciteOperator instanceof SqlBetweenOperator) {
+ // During the procedure of converting to RexNode,
+ // StandardConvertletTable.convertBetween expects the SqlOperator
to be a subclass of SqlBetweenOperator
+ final SqlBetweenOperator sqlBetweenOperator = (SqlBetweenOperator)
calciteOperator;
+ wrapper = new SqlBetweenOperator(sqlBetweenOperator.flag,
sqlBetweenOperator.isNegated()) {
+ @Override
+ public boolean checkOperandTypes(
--- End diff --
Are you essentially saying that you want to disable checkOperandType
enforced in Calcite for BETWEEN operator here? Why?
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