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  1. MariaDB Server
  2. MDEV-10142 PL/SQL parser
  3. MDEV-12137

DELETE statement with the same source and target

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

    Description

      Example :

      DROP TABLE t1;
      CREATE TABLE t1 (c1 INT, c2 INT);
      DELETE FROM t1 WHERE c1 IN (SELECT b.c1 FROM t1 b WHERE b.c2=0);

      currently returns:

      DELETE FROM t1 WHERE c1 IN (SELECT b.c1 FROM t1 b WHERE b.c2=0);
      ERROR 1093 (HY000): Table 't1' is specified twice, both as a target for 'DELETE' and as a separate source for data
      

      The same script works fine in Oracle.

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              serg Sergei Golubchik
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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