xiedeyantu commented on code in PR #4288:
URL: https://github.com/apache/calcite/pull/4288#discussion_r2029476811
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core/src/main/java/org/apache/calcite/rex/RexBuilder.java:
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@@ -1917,6 +1917,34 @@ public RexLiteral makeZeroLiteral(RelDataType type) {
return makeLiteral(zeroValue(type), type);
}
+ public RexNode makeZeroForNestedType(RelDataType type) {
+ switch (type.getSqlTypeName()) {
+ case ARRAY:
Review Comment:
Oh! I may have over-complicated it. I will modify the logic according to
your suggestion. I have another question. If it is ARRAY<ARRAY<INTEGER>>>, the
zero value should be ARRAY[ARRAY[]], right?
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