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Tom Lane 10fb48d66d Add an optional missing_ok argument to SQL function current_setting().
This allows convenient checking for existence of a GUC from SQL, which is
particularly useful when dealing with custom variables.

David Christensen, reviewed by Jeevan Chalke
2015-07-02 16:41:07 -04:00
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2003-07-21 10:27:44 +00:00
2011-04-25 22:27:11 +03:00