套件：postgresql-15-similarity（1.0-6） [debports]

PostgreSQL similarity functions extension

pg_similarity is an extension to support similarity queries on PostgreSQL. The extension consists of:

 * Functions implementing similarity algorithms available in the literature.
   These functions can be used as UDFs and are the base for implementing
   the similarity operators;
 * Operators defined on top of the similarity functions. They use similarity
   functions to obtain the similarity threshold and compare its value to a
   user-defined threshold to decide if it is a match or not;
 * Session variables storing similarity function parameters.

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