Help Center > > Developer Guide> Full Text Search> Limitations

Limitations

Updated at: Mar 13, 2020 GMT+08:00

The current limitations of DWS's full text search are:

  • The length of each lexeme must be less than 2 KB.
  • The length of a tsvector (lexemes + positions) must be less than 1 megabyte.
  • Position values in tsvector must be greater than 0 and no more than 16383.
  • No more than 256 positions per lexeme. Excessive positions, if any, will be discarded.
  • The number of nodes (lexemes + operators) in a tsquery must be less than 32768.

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