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SQL Anywhere 12.0.1 » SQL Anywhere Server - SQL Usage » Query and modify data » Full text search » Advanced: External term breaker and prefilter libraries » External prefilter libraries


How to configure SQL Anywhere to use an external prefilter

SQL Anywhere does not provide a built-in prefilter algorithm. To have data pass through an external prefilter library, you specify the library and its entry point function using the ALTER TEXT CONFIGURATION statement, similar to the following:

   PREFILTER EXTERNAL NAME 'my_prefilter@myprefilterLibrary.dll'

This example tells the database server to use the my_prefilter entry point function in the myprefilterLibrary.dll library to obtain a prefilter instance to use when building or updating a text index using the my_text_config text configuration object.

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