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From arina-ielchiieva <...@git.apache.org>
Subject [GitHub] drill issue #889: DRILL-5691: enhance scalar sub queries checking for the ca...
Date Tue, 08 Aug 2017 10:26:19 GMT
Github user arina-ielchiieva commented on the issue:

    https://github.com/apache/drill/pull/889
  
    @weijietong regarding the unit test, I have tried to reproduce the problem and written
the following unit test:
    ```
      @Test
      public void test() throws Exception {
        FileSystem fs = null;
        try {
          fs = FileSystem.get(new Configuration());
    
          // create table with partition pruning
          test("use dfs_test.tmp");
          String tableName = "table_with_pruning";
          Path dataFile = new Path(TestTools.getWorkingPath(),"src/test/resources/parquet/alltypes_required.parquet");
          test("create table %s partition by (col_int) as select * from dfs.`%s`", tableName,
dataFile);
    
          // generate metadata
          test("refresh table metadata `%s`", tableName);
          
          // execute query
          String query = String.format("select count(distinct col_int), count(distinct col_chr)
from `%s` where col_int = 45436", tableName);
          test(query);
    
        } finally {
          if (fs != null) {
            fs.close();
          }
        }
      }
    ```
    `AbstractGroupScan.getScanStats` method returns one row but it does not fail. Can you
please take a look?


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