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Add a bunch of pseudo-types to replace the behavior formerly associated
with OPAQUE, as per recent pghackers discussion. I still want to do some more work on the 'cstring' pseudo-type, but I'm going to commit the bulk of the changes now before the tree starts shifting under me ...
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@ -8,7 +8,7 @@
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-- Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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-- Portions Copyright (c) 1994, Regents of the University of California
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--
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-- $Header: /cvsroot/pgsql/src/tutorial/complex.source,v 1.13 2002/07/30 05:24:56 tgl Exp $
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-- $Header: /cvsroot/pgsql/src/tutorial/complex.source,v 1.14 2002/08/22 00:01:51 tgl Exp $
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--
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---------------------------------------------------------------------------
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@ -28,7 +28,7 @@
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-- (in memory) representation. You will get a message telling you 'complex'
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-- does not exist yet but that's okay.
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CREATE FUNCTION complex_in(opaque)
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CREATE FUNCTION complex_in(cstring)
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RETURNS complex
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AS '_OBJWD_/complex'
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LANGUAGE 'c';
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@ -36,8 +36,8 @@ CREATE FUNCTION complex_in(opaque)
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-- the output function 'complex_out' takes the internal representation and
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-- converts it into the textual representation.
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CREATE FUNCTION complex_out(opaque)
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RETURNS opaque
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CREATE FUNCTION complex_out(complex)
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RETURNS cstring
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AS '_OBJWD_/complex'
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LANGUAGE 'c';
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@ -195,4 +195,3 @@ SELECT * from test_complex where a > '(56.0,-22.5)';
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-- clean up the example
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DROP TABLE test_complex;
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DROP TYPE complex CASCADE;
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DROP FUNCTION complex_out(opaque);
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