Help Center> Data Warehouse Service (DWS)> SQL Syntax Reference (Kuala Lumpur Region)> Full Text Search> Limitations

Updated on 2022-08-16 GMT+08:00

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Limitations

The current limitations of GaussDB(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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