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From amansinha100 <...@git.apache.org>
Subject [GitHub] drill pull request #552: [Drill-3710] New option for the IN LIST size to con...
Date Fri, 22 Jul 2016 18:26:37 GMT
Github user amansinha100 commented on a diff in the pull request:

    https://github.com/apache/drill/pull/552#discussion_r71923747
  
    --- Diff: exec/java-exec/src/test/java/org/apache/drill/TestPartitionFilter.java ---
    @@ -376,4 +376,14 @@ public void testPartitionFilterWithLike() throws Exception {
         testIncludeFilter(query4, 4, "Filter", 16);
       }
     
    +  @Test //DRILL-3710 Partition pruning should occur with varying IN-LIST size
    +  public void testPartitionFilterWithInSubquery() throws Exception {
    +    String query = String.format("select * from dfs_test.`%s/multilevel/parquet` where
cast (dir0 as int) IN (1994, 1994, 1994, 1994, 1994, 1994)", TEST_RES_PATH);
    +    /* In list size exceeds threshold - no partition pruning since predicate converted
to join */
    +    test("alter session set `planner.in_subquery_threshold` = 2");
    --- End diff --
    
    Not sure if it is necessary to check the no-partition-pruning case.  Basically, the goal
of the test is to see if partition pruning works with large IN lists. 


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