pgsql: Add "xid <> xid" and "xid <> int4" operators.

Add "xid <> xid" and "xid <> int4" operators.

The corresponding "=" operators have been there a long time, and not
having their negators is a bit of a nuisance.

Michael Paquier

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/c5e86ea932794051d2fe3bd26ce4c03981b0b826

Modified Files
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src/backend/utils/adt/xid.c              |   12 ++++++++++++
src/include/catalog/catversion.h         |    2 +-
src/include/catalog/pg_operator.h        |    8 ++++++--
src/include/catalog/pg_proc.h            |    2 ++
src/include/utils/builtins.h             |    1 +
src/test/regress/expected/opr_sanity.out |    2 ++
6 files changed, 24 insertions(+), 3 deletions(-)