Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-8754

Wrong result for SELECT..WHERE year_field=2020 AND NULLIF(year_field,2010)='2020'

    XMLWordPrintable

Details

    Description

      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (a YEAR);
      INSERT INTO t1 VALUES (2010),(2020);
      SELECT * FROM t1 WHERE a=2020;
      SELECT * FROM t1 WHERE NULLIF(a,2010)='2020';
      SELECT * FROM t1 WHERE a=2020 AND NULLIF(a,2010)='2020';

      The first and the second SELECT queries correctly return one row, and third SELECT query erroneously returns emptu set.

      Attachments

        Issue Links

          Activity

            People

              bar Alexander Barkov
              bar Alexander Barkov
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Git Integration

                  Error rendering 'com.xiplink.jira.git.jira_git_plugin:git-issue-webpanel'. Please contact your Jira administrators.