[postgis-users] Very large WHERE clause?

[mark wynter]

As an alternative, you could use PL/pgSQL to create a custom function, and
then pass one (or more) arguments to the query's "WHERE" clause dynamically.  
At the application level, this would allow users for example to <select>
from a form, where the select <options> are populated using the results of a
SELECT DISTINCT query. 

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