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  1. Apache Drill
  2. DRILL-4954

allTextMode in the MapRDB plugin always return nulls

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.8.0
    • Fix Version/s: 1.9.0
    • Component/s: Storage - MapRDB
    • Labels:
      None
    • Environment:

      MapRDB

      Description

      Setting the "allTextMode" option to "true" in the MapR fs plugin, like:

      "formats": {
      "maprdb":

      { "type": "maprdb", "allTextMode": true }

      makes the returned results null. Here’s an example:

      << default plugin, unchanged >>

      0: jdbc:drill:> use mfs.tpch_sf1_maprdb_json;
      -------------------------------------------------------------+

      ok summary

      -------------------------------------------------------------+

      true Default schema changed to [mfs1.tpch_sf1_maprdb_json]

      -------------------------------------------------------------+
      1 row selected (0.153 seconds)
      0: jdbc:drill:> select typeof(N_REGIONKEY) from nation limit 1;
      ---------

      EXPR$0

      ---------

      BIGINT

      ---------
      1 row selected (0.206 seconds)
      0: jdbc:drill:> select N_REGIONKEY from nation limit 2;
      --------------

      N_REGIONKEY

      --------------

      0
      2

      --------------
      2 rows selected (0.254 seconds)

      << plugin changed to all text mode (as shown above) >>

      0: jdbc:drill:> select typeof(N_REGIONKEY) from nation limit 1;
      ---------

      EXPR$0

      ---------

      NULL

      ---------
      1 row selected (0.321 seconds)
      0: jdbc:drill:> select N_REGIONKEY from nation limit 2;
      --------------

      N_REGIONKEY

      --------------

      null
      null

      --------------
      2 rows selected (0.25 seconds)

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              • Assignee:
                smidth Smidth Panchamia
                Reporter:
                ben-zvi Boaz Ben-Zvi
                Reviewer:
                Abhishek Girish
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                Dates

                • Created:
                  Updated:
                  Resolved: