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  1. MariaDB Server
  2. MDEV-24921

optimizer_max_sel_arg_weight option/variable is not documented

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Done
    • 10.5(EOL), 10.6
    • N/A
    • Documentation
    • None

    Description

      Starting from 10.5, server shows the variable:

              VARIABLE_NAME: OPTIMIZER_MAX_SEL_ARG_WEIGHT
      		 
              SESSION_VALUE: 32000
      		 
               GLOBAL_VALUE: 32000
      		 
        GLOBAL_VALUE_ORIGIN: COMPILE-TIME
      		 
              DEFAULT_VALUE: 32000
      		 
             VARIABLE_SCOPE: SESSION
      		 
              VARIABLE_TYPE: BIGINT UNSIGNED
      		 
           VARIABLE_COMMENT: The maximum weight of the SEL_ARG graph. Set to 0 for no limit
      		 
          NUMERIC_MIN_VALUE: 0
      		 
          NUMERIC_MAX_VALUE: 18446744073709551615
      		 
         NUMERIC_BLOCK_SIZE: 1
      		 
            ENUM_VALUE_LIST: NULL
      		 
                  READ_ONLY: NO
      		 
      COMMAND_LINE_ARGUMENT: REQUIRED
      		 
          GLOBAL_VALUE_PATH: NULL

      but it doesn't seem to be documented in the KB. The description above isn't very helpful either.

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            psergei Sergei Petrunia
            elenst Elena Stepanova
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            Dates

              Created:
              Updated:
              Resolved:

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