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  1. MariaDB Server
  2. MDEV-10764 PL/SQL parser - Phase 2
  3. MDEV-12085

sql_mode=ORACLE: allow derived tables not to have aliases

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    • Technical task
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • None
    • None
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    Description

      Oracle does not require derived tables to have aliases:

      SQL> SELECT * FROM (SELECT * FROM t1) WHERE a=20;
      		 
       
      		 
      	 A
      		 
      ----------
      		 
      	20

      MariaDB returns an error for the same query:

      MariaDB [test]> SELECT * FROM (SELECT * FROM t1) WHERE a=20;
      		 
      ERROR 1248 (42000): Every derived table must have its own alias

      When running in sql_mode=ORACLE, we'll allow derived tables not to have aliases.

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            Unassigned Unassigned
            bar Alexander Barkov
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