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  1. MariaDB Server
  2. MDEV-33406

basic optimizer support for k-NN searches

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    Description

      Optimizer has to use the k-NN capable vector index for queries like

      SELECT ... FROM table ORDER BY VEC_DISTANCE(col, const) LIMIT n
      

      That is

      • ORDER BY VEC_DISTANCE
      • one argument is a column of a table, the other is a constant
      • LIMIT
      • no WHERE clause

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              serg Sergei Golubchik
              serg Sergei Golubchik
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