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  1. MariaDB ColumnStore
  2. MCOL-1519

Query doesn't process certain JOIN types with GROUP BY handler.

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Minor
    • Resolution: Fixed
    • None
    • 1.2.2
    • MDB Plugin
    • None
    • 2018-15, 2018-16, 2018-17, 2018-18, 2018-19, 2018-20

    Description

      In test working_tpch1_compareLogOnly/tableMode/tablemode.sql, we find the following:

      SELECT SUM(L_EXTENDEDPRICE * (1 - L_DISCOUNT)) AS REVENUE FROM LINEITEM, PART WHERE ( P_PARTKEY = L_PARTKEY AND P_BRAND = 'Brand#41' AND P_CONTAINER IN ( 'SM CASE', 'SM BOX', 'SM PACK', 'SM PKG') AND L_QUANTITY >= 3 AND L_QUANTITY <= 3 + 1 AND P_SIZE BETWEEN 1 AND 5 AND L_SHIPMODE IN ('AIR', 'AIR REG') AND L_SHIPINSTRUCT = 'DELIVER IN PERSON' ) OR ( P_PARTKEY = L_PARTKEY AND P_BRAND = 'Brand#33' AND P_CONTAINER IN ( 'MED BAG', 'MED BOX', 'MED PKG', 'MED PACK') AND L_QUANTITY >= 14 AND L_QUANTITY <= 14 + 1 AND P_SIZE BETWEEN 1 AND 10 AND L_SHIPMODE IN ('AIR', 'AIR REG') AND L_SHIPINSTRUCT = 'DELIVER IN PERSON' ) OR ( P_PARTKEY = L_PARTKEY AND P_BRAND = 'Brand#45' AND P_CONTAINER IN ( 'LG CASE', 'LG BOX', 'LG PACK', 'LG PKG') AND L_QUANTITY >= 25 AND L_QUANTITY <= 25 + 1 AND P_SIZE BETWEEN 1 AND 15 AND eL_SHIPMODE IN ('AIR', 'AIR REG') AND L_SHIPINSTRUCT = 'DELIVER IN PERSON' );
      

      In 1.1 CS would allow server to step in and join tables returning the subsets from both tables.

      -------------
       
      REVENUE
      -------------
       
      607989.6988
      -------------
      1 row in set, 1 warning (15.93 sec)
      

      In 1.2, GROUP BY handler catches the query in disabled vtable mode and fails with the error:

      ERROR 1815 (HY000): Internal error: IDB-1000: 'lineitem' and 'part' are not joined.
      

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              dleeyh Daniel Lee (Inactive)
              drrtuy Roman
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                Created:
                Updated:
                Resolved:

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