siddharthteotia commented on code in PR #9810:
URL: https://github.com/apache/pinot/pull/9810#discussion_r1043809372
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pinot-core/src/test/java/org/apache/pinot/queries/ForwardIndexDisabledSingleValueQueriesTest.java:
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@@ -845,6 +845,69 @@ public void testSelectQueriesWithReload()
assertEquals(resultRow[0], 240528);
assertEquals(resultRow[1], "gFuH");
}
+
+ // Re-enable forward index for column9, column11, and column6
Review Comment:
Can we add a test for a simple `SELECT *` or `SELECT reenabledColumn FROM
Foo LIMIT <MAX> ORDER BY <something>` .
Basically no WHERE clause.
This will have to read the entire forward index and can be a good
correctness test that entire forward index was generated correctly.
Something like
- Generate proper regular segment that has forward index.
- Gather resultSet1
- Disable forward index on a particular column via the reload path
- Query should fail
- Rebuild forward index via the reload path
- Gather resultSet2
resultSet1 should be same as resultSet2
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