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  1. MariaDB Server
  2. MDEV-15004

parser greedily parses AS OF TIMESTAMP

Details

    Description

      In AS OF TIMESTAMP xxx, the TIMESTAMP is always parsed as a part of AS OF, even if it's actually a part of the expression (the complete expression being TIMESTAMP xxx).

      Examples:

      DATETIME literal

      		 
      SELECT TIMESTAMP'2016-02-30 08:07:06';
      		 
      → ERROR 1525 (HY000): Incorrect DATETIME value: '2016-02-30 08:07:06'
      		 
      SELECT * FROM t1 FOR SYSTEM_TIME AS OF TIMESTAMP'2016-02-30 08:07:06';
      		 
      → ok
      		 
      SELECT * FROM t1 FOR SYSTEM_TIME AS OF (TIMESTAMP'2016-02-30 08:07:06');
      		 
      → ERROR 1525 (HY000): Incorrect DATETIME value: '2016-02-30 08:07:06'

      two-argument TIMESTAMP() function

      		 
      SELECT TIMESTAMP('2003-12-31 12:00:00','12:00:00');
      		 
      → ok
      		 
      SELECT * FROM t1 FOR SYSTEM_TIME AS OF TIMESTAMP('2003-12-31 12:00:00','12:00:00')
      		 
      → ERROR 1241 (21000): Operand should contain 1 column(s)
      		 
      SELECT * FROM t1 FOR SYSTEM_TIME AS OF (TIMESTAMP('2003-12-31 12:00:00','12:00:00'));
      		 
      → ok

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        Issue Links

          relates to

          Task - A task that needs to be done. MDEV-15818 Fix shift-reduce conflicts in the new 10.3 syntax

          • Major - Major loss of function.
          • Closed

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              midenok Aleksey Midenkov
              serg Sergei Golubchik
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                Created:
                Updated:
                Resolved:

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