Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-36249

Equivalent straight-join queries return different results

Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 11.7.2, 10.5, 10.6, 10.11, 11.4, 11.8
    • 10.11, 11.4, 11.8
    • Optimizer
    • None
    • docker

    Description

      docker run -it --name mariadb-11.7.2 -p 3307:3306 -e MARIADB_ROOT_PASSWORD=root mariadb:11.7.2 
       
      		 
      CREATE TABLE t0(c0 FLOAT ZEROFILL ) ENGINE = HEAP;
      		 
      CREATE TABLE IF NOT EXISTS t1 LIKE t0;
      		 
      INSERT INTO t0(c0) VALUES(0),(-0);
      		 
      CREATE INDEX i1 ON t0(c0);
      		 
      INSERT INTO t1(c0) VALUES('-0');
      		 
       
      		 
      SELECT ALL t0.c0  FROM t0 STRAIGHT_JOIN t1 ON t0.c0 = t1.c0; 
      +--------------+
      		 
      | c0           |
      		 
      +--------------+
      		 
      | 000000000000 |
      		 
      | 000000000000 |
      		 
      +--------------+
      		 
      SELECT ALL t0.c0  FROM t1 STRAIGHT_JOIN t0 ON t0.c0 = t1.c0;
      		 
      Empty set (0.00 sec)

      Attachments

        Activity

          Ascending order - Click to sort in descending order
          jinhui lai jinhui lai created issue -
          jinhui lai jinhui lai made changes -
          Field Original Value New Value
          Description docker run -it --name mariadb-11.7.2 -p 3306:3306 -e MYSQL_ROOT_PASSWORD=root mariadb:11.7.2

          CREATE TABLE t0(c0 FLOAT ZEROFILL ) ENGINE = HEAP;
          CREATE TABLE IF NOT EXISTS t1 LIKE t0;
          INSERT INTO t0(c0) VALUES(0),(-0);
          CREATE INDEX i1 ON t0(c0);
          INSERT INTO t1(c0) VALUES('-0');

          SELECT ALL t0.c0 FROM t0 STRAIGHT_JOIN t1 ON t0.c0 = t1.c0;
          +--------------+
          | c0 |
          +--------------+
          | 000000000000 |
          | 000000000000 |
          +--------------+
          SELECT ALL t0.c0 FROM t1 STRAIGHT_JOIN t0 ON t0.c0 = t1.c0;
          Empty set (0.00 sec)           		docker run -it --name mariadb-11.7.2 -p 3307:3306 -e MARIADB_ROOT_PASSWORD=root mariadb:11.7.2

          CREATE TABLE t0(c0 FLOAT ZEROFILL ) ENGINE = HEAP;
          CREATE TABLE IF NOT EXISTS t1 LIKE t0;
          INSERT INTO t0(c0) VALUES(0),(-0);
          CREATE INDEX i1 ON t0(c0);
          INSERT INTO t1(c0) VALUES('-0');

          SELECT ALL t0.c0 FROM t0 STRAIGHT_JOIN t1 ON t0.c0 = t1.c0;
          +--------------+
          | c0 |
          +--------------+
          | 000000000000 |
          | 000000000000 |
          +--------------+
          SELECT ALL t0.c0 FROM t1 STRAIGHT_JOIN t0 ON t0.c0 = t1.c0;
          Empty set (0.00 sec)
          alice Alice Sherepa made changes -
          Description docker run -it --name mariadb-11.7.2 -p 3307:3306 -e MARIADB_ROOT_PASSWORD=root mariadb:11.7.2

          CREATE TABLE t0(c0 FLOAT ZEROFILL ) ENGINE = HEAP;
          CREATE TABLE IF NOT EXISTS t1 LIKE t0;
          INSERT INTO t0(c0) VALUES(0),(-0);
          CREATE INDEX i1 ON t0(c0);
          INSERT INTO t1(c0) VALUES('-0');

          SELECT ALL t0.c0 FROM t0 STRAIGHT_JOIN t1 ON t0.c0 = t1.c0;
          +--------------+
          | c0 |
          +--------------+
          | 000000000000 |
          | 000000000000 |
          +--------------+
          SELECT ALL t0.c0 FROM t1 STRAIGHT_JOIN t0 ON t0.c0 = t1.c0;
          Empty set (0.00 sec)
          {noformat}
          docker run -it --name mariadb-11.7.2 -p 3307:3306 -e MARIADB_ROOT_PASSWORD=root mariadb:11.7.2

          CREATE TABLE t0(c0 FLOAT ZEROFILL ) ENGINE = HEAP;
          CREATE TABLE IF NOT EXISTS t1 LIKE t0;
          INSERT INTO t0(c0) VALUES(0),(-0);
          CREATE INDEX i1 ON t0(c0);
          INSERT INTO t1(c0) VALUES('-0');

          SELECT ALL t0.c0 FROM t0 STRAIGHT_JOIN t1 ON t0.c0 = t1.c0;
          +--------------+
          | c0 |
          +--------------+
          | 000000000000 |
          | 000000000000 |
          +--------------+
          SELECT ALL t0.c0 FROM t1 STRAIGHT_JOIN t0 ON t0.c0 = t1.c0;
          Empty set (0.00 sec)
          {noformat}
          alice Alice Sherepa made changes -
          Affects Version/s 10.5 [ 23123 ]
          Affects Version/s 10.6 [ 24028 ]
          Affects Version/s 10.11 [ 27614 ]
          Affects Version/s 11.4 [ 29301 ]
          Affects Version/s 11.8 [ 29921 ]
          alice Alice Sherepa made changes -
          Fix Version/s 10.11 [ 27614 ]
          Fix Version/s 11.4 [ 29301 ]
          Fix Version/s 11.8 [ 29921 ]
          alice Alice Sherepa made changes -
          Assignee Sergei Petrunia [ psergey ]
          alice Alice Sherepa made changes -
          Status Open [ 1 ] Confirmed [ 10101 ]

          People

            psergei Sergei Petrunia
            jinhui lai jinhui lai
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            3 Start watching this issue

            Dates

              Created:
              Updated:

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