danny0405 commented on code in PR #2844:
URL: https://github.com/apache/calcite/pull/2844#discussion_r913742664
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -3380,6 +3384,66 @@ protected void validateFrom(
getNamespaceOrThrow(node, scope).validate(targetRowType);
}
+ protected void validateTableFunction(SqlCall node, SqlValidatorScope scope,
+ RelDataType targetRowType) {
+ // Dig out real call; TABLE() wrapper is just syntactic.
+ SqlCall call = node.operand(0);
+ if (call.getOperator() instanceof SqlTableFunction) {
+ SqlTableFunction tableFunction = (SqlTableFunction) call.getOperator();
Review Comment:
What kind of function it is if the SqlKind is `COLLECTION_TABLE` but not a
`SqlTableFunction` ?
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