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(parent: 6b99fcf) | patch
Fix ExecSubPlan to handle nulls per the SQL spec --- it didn't combine
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 12 Nov 1999 06:39:34 +0000 (06:39 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 12 Nov 1999 06:39:34 +0000 (06:39 +0000)
commitac61a04a718b7d7021ee6533a318668d53a09cdd
treee9e2d39835952746c4e9223e09f4ecabc354b042tree | snapshot
parent6b99fcf3e22eeafeb55664d32a2c27ab3ca12706commit | diff
Fix ExecSubPlan to handle nulls per the SQL spec --- it didn't combine
nulls with non-nulls using proper three-valued boolean logic.  Also clean
up ExecQual to make it clearer that ExecQual *does* follow the SQL spec
for boolean nulls.  See '[BUGS] (null) != (null)' thread around 10/26/99
for more detail.
src/backend/executor/execQual.c diff | blob | blame | history
src/backend/executor/nodeSubplan.c diff | blob | blame | history
src/include/executor/nodeSubplan.h diff | blob | blame | history
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