Vladsz83 commented on a change in pull request #9593:
URL: https://github.com/apache/ignite/pull/9593#discussion_r756301975
##########
File path:
modules/calcite/src/test/java/org/apache/ignite/internal/processors/query/calcite/CalciteQueryProcessorTest.java
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@@ -1148,6 +1150,22 @@ public void testSelectWithOrdering() throws
IgniteInterruptedCheckedException {
.check();
}
+ /**
+ * Checks exchnage-before-correlate and correct multy-value subquery error.
+ */
+ @Test
+ public void testSubqueryMultyValueError() throws
IgniteInterruptedCheckedException {
Review comment:
Spelling fixed. Test renamed.
Filters? No filter is supposed. The best approach, I believe, would be the
tree analysis. Besides, the tree is one of major goals to evolve and optimize.
Probably, more effective solution here is to watch NPE/exception not to appear.
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