danny0405 commented on code in PR #2844:
URL: https://github.com/apache/calcite/pull/2844#discussion_r913752126
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core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java:
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@@ -1564,6 +1564,50 @@ public void _testLikeAndSimilarFails() {
.fails("No match found for function signature FOO..");
}
+ @Test void testInvalidTableFunction() {
+ // A table function at most have one input table with row semantics
+ sql("select * from table(^invalid(table orders, table emp)^)")
+ .fails("A table function at most has one input table with row
semantics."
+ + " Table function 'INVALID' has multiple input tables with row
semantics");
+ // Only tables with set semantics may be partitioned
+ sql("select * from table(^score(table orders partition by productid)^)")
+ .fails("Only tables with set semantics may be partitioned."
+ + " Invalid PARTITION BY clause in the 0-th operand of table
function 'SCORE'");
+ // Only tables with set semantics may be ordered
Review Comment:
We need some tests for multiple partition/ordering keys.
We need some tests for multiple table params.
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