walterddr commented on code in PR #9795:
URL: https://github.com/apache/pinot/pull/9795#discussion_r1021918880
##########
pinot-query-planner/src/main/java/org/apache/pinot/query/planner/logical/RexExpressionUtils.java:
##########
@@ -54,10 +54,8 @@ static RexExpression handleCast(RexCall rexCall) {
rexCall.getOperands().stream().map(RexExpression::toRexExpression).collect(Collectors.toList());
Preconditions.checkState(operands.size() == 1, "CAST takes exactly 2
arguments");
RelDataType castType = rexCall.getType();
- // add the 2nd argument as the source type info.
- operands.add(new RexExpression.Literal(FieldSpec.DataType.STRING,
-
RexExpression.toPinotDataType(rexCall.getOperands().get(0).getType()).name()));
- return new RexExpression.FunctionCall(rexCall.getKind(),
RexExpression.toDataType(rexCall.getType()), "CAST",
+ operands.add(new RexExpression.Literal(FieldSpec.DataType.STRING,
RexExpression.toPinotDataType(castType).name()));
+ return new RexExpression.FunctionCall(rexCall.getKind(),
RexExpression.toDataType(castType), "CAST",
Review Comment:
this works for so long b/c of the way pinot leaf stage is so forgiving.
(and intermediate stage is following this to some extend b/c of the reuse in
v1 logic)
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