Tom Lane 7de81124d5 Create a function quote_nullable(), which works the same as quote_literal()
except that it returns the string 'NULL', rather than a SQL null, when called
with a null argument.  This is often a much more useful behavior for
constructing dynamic queries.  Add more discussion to the documentation
about how to use these functions.

Brendan Jurd
2008-03-23 00:24:20 +00:00
..
2008-03-23 00:14:41 +00:00