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authorTom Lane <tgl@sss.pgh.pa.us>2016-04-11 00:28:44 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2016-04-11 00:28:44 -0400
commitf73b2bbbdcb387aa90ff619fe03d1924ed82b868 (patch)
tree04bfcb4415bb50c9e1ed0fd298d2eafd0ed219d7 /src/backend/executor/nodeRecursiveunion.c
parent074050f16a2db9b5ebe5c9f8fdb211cbb810e746 (diff)
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Fix poorly thought-through code from commit 5c3c3cd0a3046339.
It's not entirely clear to me whether PyString_AsString can return null (looks like the answer might vary between Python 2 and 3). But in any case, this code's attempt to cope with the possibility was quite broken, because pstrdup() neither allows a null argument nor ever returns a null. Moreover, the code below this point assumes that "message" is a palloc'd string, which would not be the case for a dgettext result. Fix both problems by doing the pstrdup step separately.
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