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Fix portability issue in ordered-set patch.

author Tom Lane <tgl@sss.pgh.pa.us>

2013年12月24日 01:24:07 +0000 (20:24 -0500)

committer Tom Lane <tgl@sss.pgh.pa.us>

2013年12月24日 01:24:07 +0000 (20:24 -0500)

commit cf63c641cae2063a0442d73d49af295301cec61b

tree d67132751f9ec41c281216cee442a83ce021a014 tree

parent 8d65da1f01c6a4c84fe9c59aeb6b7e3adf870145 commit | diff

Fix portability issue in ordered-set patch.

Overly compact coding in makeOrderedSetArgs() led to a platform dependency:
if the compiler chose to execute the subexpressions in the wrong order,
list_length() might get applied to an already-modified List, giving a
value we didn't want. Per buildfarm.

src/backend/parser/gram.y diff | blob | blame | history

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