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(parent: b0d5469) | patch
Don't let transform_null_equals=on affect CASE foo WHEN NULL ... constructs.
authorHeikki Linnakangas <heikki.linnakangas@iki.fi>
Sat, 8 Oct 2011 08:17:40 +0000 (11:17 +0300)
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>
Sat, 8 Oct 2011 08:21:14 +0000 (11:21 +0300)
commit3a2f6b570fbc6f71447c013e866d554fc515de0e
tree1dd275ba4f28bfd420d071f27e11f5967d995e17tree | snapshot
parentb0d5469a04aac226d140edc3dfedd8aac87310d6commit | diff
Don't let transform_null_equals=on affect CASE foo WHEN NULL ... constructs.
transform_null_equals is only supposed to affect "foo = NULL" expressions
given directly by the user, not the internal "foo = NULL" expression
generated from CASE-WHEN.

This fixes bug #6242, reported by Sergey. Backpatch to all supported
branches.
src/backend/parser/parse_expr.c diff | blob | history
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