Jackie-Jiang commented on code in PR #13573:
URL: https://github.com/apache/pinot/pull/13573#discussion_r1674534216
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pinot-common/src/main/java/org/apache/pinot/common/function/TransformFunctionType.java:
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@@ -103,187 +98,119 @@ public enum TransformFunctionType {
// date type conversion functions
CAST("cast"),
- // object type
- ARRAY_TO_MV("arrayToMV",
- ReturnTypes.cascade(opBinding ->
positionalComponentReturnType(opBinding, 0), SqlTypeTransforms.FORCE_NULLABLE),
- OperandTypes.family(SqlTypeFamily.ARRAY), "array_to_mv"),
Review Comment:
That is correct. It tricks the parser to allow MV semantic, and is handled
in `CalciteRexExpressionParser` without a function implementation
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