laurentgo commented on a change in pull request #2046:
URL: https://github.com/apache/calcite/pull/2046#discussion_r449251024
##########
File path: core/src/test/java/org/apache/calcite/test/SqlToRelConverterTest.java
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@@ -875,6 +877,20 @@ public final Sql sql(String sql) {
sql(sql).ok();
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-4092";>[CALCITE-4092]
+ * NPE using WITH clause without a corresponding SELECT FROM</a>. */
+ @Test void testWithNotSelected() {
+ final String sql = "with emp2 as (select max(empno) as empno from emp
where empno > 10)\n"
+ + "select * from emp where empno < emp2.empno";
+ try {
+ sql(sql).ok();
Review comment:
This test probably belongs more to `SqlValidatorTest` which has support
to test for error (and validate error messages).`
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