pengzhiwei2018 commented on a change in pull request #1149: [CALCITE-2982]
SqlItemOperator should throw understandable exception …
URL: https://github.com/apache/calcite/pull/1149#discussion_r278526202
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File path: core/src/main/java/org/apache/calcite/sql/fun/SqlItemOperator.java
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@@ -89,6 +91,17 @@
}
final RelDataType operandType = callBinding.getOperandType(0);
final SqlSingleOperandTypeChecker checker = getChecker(operandType);
+ if (checker == null) {
+ SqlNode node = callBinding.getCall()
Review comment:
Thanks hongze! The `newValidationSignatureError()` can solve the problem.
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