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  1. MariaDB Server
  2. MDEV-10142 PL/SQL parser
  3. MDEV-12098

sql_mode=ORACLE: Implicit cursor FOR loop

Details

    • 10.2.2-3, 10.2.2-1, 10.2.2-2, 10.2.2-4, 10.1.18

    Description

      In addition to FOR loops on explicitly declared cursors (MDEV-10581), we'll implement FOR loops for implicit cursors.

      The SQL query for the implicit cursor is declared directly inside the FOR loop:

      DROP TABLE IF EXISTS t1;
      		 
      CREATE TABLE t1 (a INT, b INT);
      		 
      INSERT INTO t1 VALUES (10,20);
      		 
       
      		 
      DROP PROCEDURE IF EXISTS p1;
      		 
      DELIMITER /
      		 
      CREATE PROCEDURE p1 AS 
      BEGIN
      		 
        FOR rec IN (SELECT a, b FROM t1)
      		 
        LOOP
      		 
          SELECT rec.a, rec.b;
      		 
        END LOOP;
      		 
      END;
      		 
      /
      		 
      DELIMITER ;
      		 
      CALL p1();

      Attachments

        Issue Links

          blocks

          Technical task - A technical task. MDEV-12314 sql_mode=ORACLE: Implicit cursor FOR LOOP for cursors with parameters

          • Major - Major loss of function.
          • Closed
          causes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32275 getting error 'Illegal parameter data types row and bigint for operation '+' ' when using ITERATE in a FOR..DO

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          is blocked by

          Technical task - A technical task. MDEV-10581 sql_mode=ORACLE: Explicit cursor FOR LOOP

          • Major - Major loss of function.
          • Closed
          relates to

          Task - A task that needs to be done. MDEV-16674 Document FOR loop

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-17278 CURSOR FOR LOOP - ERROR: unexpected end of stream, read 0 bytes (SERVER CRASH)

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Activity

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            bar Alexander Barkov created issue -
            bar Alexander Barkov made changes -
            Field Original Value New Value
            bar Alexander Barkov made changes -
            Description In addition to {{FOR}} loops on explicitly declared cursors (MDEV-10581), we'll implement {{FOR}} loops for implicit cursors.

            The SQL query for the implicit cursor is declared directly inside the {{FOR}} loop:
            {code:sql}
            DROP TABLE IF EXISTS t1;
            CREATE TABLE t1 (a INT, b INT);
            INSERT INTO t1 VALUES (10,20);

            SET SERVEROUTPUT ON;
            DROP PROCEDURE IF EXISTS p1;
            DELIMITER /
            CREATE PROCEDURE p1 AS
            BEGIN
              FOR rec IN (SELECT a, b FROM t1)
              LOOP
                SELECT rec.a, rec.b;
              END LOOP;
            END;
            /
            DELIMITER ;
            CALL p1();
            {code}
            		In addition to {{FOR}} loops on explicitly declared cursors (MDEV-10581), we'll implement {{FOR}} loops for implicit cursors.

            The SQL query for the implicit cursor is declared directly inside the {{FOR}} loop:
            {code:sql}
            DROP TABLE IF EXISTS t1;
            CREATE TABLE t1 (a INT, b INT);
            INSERT INTO t1 VALUES (10,20);

            DROP PROCEDURE IF EXISTS p1;
            DELIMITER /
            CREATE PROCEDURE p1 AS
            BEGIN
              FOR rec IN (SELECT a, b FROM t1)
              LOOP
                SELECT rec.a, rec.b;
              END LOOP;
            END;
            /
            DELIMITER ;
            CALL p1();
            {code}
            bar Alexander Barkov made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            bar Alexander Barkov added a comment -

            Pushed to bb-10.2-compatibility

            bar Alexander Barkov added a comment - Pushed to bb-10.2-compatibility
            bar Alexander Barkov made changes -
            issue.field.resolutiondate 2017-03-10 10:19:17.0 2017-03-10 10:19:17.079
            bar Alexander Barkov made changes -
            Component/s Parser [ 10201 ]
            Fix Version/s 10.3.0 [ 22127 ]
            Resolution Fixed [ 1 ]
            Status In Progress [ 3 ] Closed [ 6 ]
            bar Alexander Barkov made changes -
            Component/s Stored routines [ 13905 ]
            bar Alexander Barkov made changes -
            Labels Compatibility need_review
            bar Alexander Barkov made changes -
            bar Alexander Barkov made changes -
            Labels Compatibility need_review Compatibility
            alvinr Alvin Richards (Inactive) made changes -
            NRE Approved Yes [ 10304 ]
            bar Alexander Barkov made changes -
            alice Alice Sherepa made changes -
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 79699 ] MariaDB v4 [ 151729 ]
            bar Alexander Barkov made changes -

            People

              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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