beyond1920 commented on code in PR #2844:
URL: https://github.com/apache/calcite/pull/2844#discussion_r915648465
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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:
Currently, there is no valid case like this.
It requires argument of COLLECTION_TABLE must be a table function which is
already checked by ProcedureNamespace#validateImpl.
SqlValidatorTest#testCollectionTable cover these cases.
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