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  1. MariaDB Server
  2. MDEV-9425

Hybrid functions and UNION do not preserve spatial REF_SYSTEM_ID

Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2(EOL), 10.3(EOL), 10.4(EOL)
    • 10.5, 10.6, 10.11, 11.4
    • Data types, GIS
    • None

    Description

      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (g GEOMETRY REF_SYSTEM_ID=101);
      DROP TABLE IF EXISTS t2;
      CREATE TABLE t2 AS SELECT g AS g_column, COALESCE(g) AS g_coalesce FROM t1;
      DROP TABLE IF EXISTS t3;
      CREATE TABLE t3 AS SELECT g AS g_union FROM t1 UNION SELECT g FROM t1;
      SELECT G_TABLE_NAME, G_GEOMETRY_COLUMN, SRID FROM INFORMATION_SCHEMA.GEOMETRY_COLUMNS;

      returns

      +--------------+-------------------+------+
      | G_TABLE_NAME | G_GEOMETRY_COLUMN | SRID |
      +--------------+-------------------+------+
      | t1           | g                 |  101 |
      | t2           | g_column          |  101 |
      | t2           | g_coalesce        |    0 |
      | t3           | g_union           |    0 |
      +--------------+-------------------+------+

      Notice, g_column preserved the original REF_SYSTEM_ID, which is correct.
      More complex cases (e.g. g_coalesce and g_union) did not, as they should.

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            bar Alexander Barkov created issue -
            bar Alexander Barkov made changes -
            Field Original Value New Value
            bar Alexander Barkov made changes -
            bar Alexander Barkov made changes -
            bar Alexander Barkov made changes -
            bar Alexander Barkov made changes -
            Fix Version/s 10.3 [ 22126 ]
            Fix Version/s 10.2 [ 14601 ]
            bar Alexander Barkov made changes -
            Affects Version/s 10.3 [ 22126 ]
            Affects Version/s 10.4 [ 22408 ]
            bar Alexander Barkov made changes -
            Fix Version/s 10.4 [ 22408 ]
            Fix Version/s 10.3 [ 22126 ]
            bar Alexander Barkov made changes -
            Component/s Data types [ 13906 ]
            bar Alexander Barkov made changes -
            Epic Link MDEV-21071 [ 80504 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 73655 ] MariaDB v4 [ 139934 ]
            bar Alexander Barkov made changes -
            alice Alice Sherepa made changes -
            Fix Version/s 10.5 [ 23123 ]
            Fix Version/s 10.6 [ 24028 ]
            Fix Version/s 10.11 [ 27614 ]
            Fix Version/s 11.2 [ 28603 ]
            Fix Version/s 11.4 [ 29301 ]
            Fix Version/s 10.4(EOL) [ 22408 ]
            alice Alice Sherepa added a comment -

            repeatable on 10.5-11.4, while 11.6 4e1e9ea6f322dd8 returns expected results

            alice Alice Sherepa added a comment - repeatable on 10.5-11.4, while 11.6 4e1e9ea6f322dd8 returns expected results
            alice Alice Sherepa made changes -
            Status Open [ 1 ] Confirmed [ 10101 ]
            julien.fritsch Julien Fritsch made changes -
            Fix Version/s 11.2(EOL) [ 28603 ]

            People

              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

                Created:
                Updated:

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