alex-plekhanov commented on code in PR #12180:
URL: https://github.com/apache/ignite/pull/12180#discussion_r2200505588
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modules/calcite/src/test/java/org/apache/ignite/internal/processors/query/calcite/planner/MergeJoinPlannerTest.java:
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@@ -2794,6 +2797,26 @@ public void testInnerDeriveMixed2() throws Exception {
assertNull(sortOnTopOfScan(rel, "RIGHT_T"));
}
+ /** */
+ @Test
+ public void testMergeJoinIsNotAppliedForNonEquiJoin() throws Exception {
+ IgniteSchema schema = createSchema(
+ createTable("EMP", 1000, IgniteDistributions.broadcast(),
+ "ID", INTEGER, "NAME", VARCHAR, "DEPTNO", INTEGER)
+ .addIndex("emp_idx", 1, 2),
+ createTable("DEPT", 100, IgniteDistributions.broadcast(),
+ "DEPTNO", INTEGER, "NAME", VARCHAR)
+ .addIndex("dep_idx", 1, 0)
Review Comment:
Here we check that condition `e.name >= d.name` is not applied for merge
join even if we have a index on it. So 0, 1 will be incorrect test case ('name'
should be first field in index)
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