Text comparison suddenly can't find collation?

Hi all,

Why would a string comparison work in one case and not another?  In
the following example, it works to compare a and b, but not a and d.

This is in a C module which calls
 DirectFunctionCall2( text_le, d1, d2 );

DEBUG:  Comparing a == b
DEBUG:  Comparing a == d
ERROR: could not determine which collation to use for string
comparison

I'll try and see if I can come up with a minimal example in a bit.


--   Johann Oskarsson                http://www.2ndquadrant.com/    |[]  PostgreSQL Development, 24x7 Support, Training
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