pgsql: Add support for ALTER TABLE IF EXISTS ... RENAME CONSTRAINT - Mailing list pgsql-committers

Add support for ALTER TABLE IF EXISTS ... RENAME CONSTRAINT

Also add regression test.  Previously this was documented to work, but
didn't.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/1d8198bb44e7e7e3e96d96942f642e9964111628

Modified Files
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src/backend/commands/tablecmds.c          |    9 ++++++++-
src/backend/parser/gram.y                 |   11 +++++++++++
src/test/regress/expected/alter_table.out |    2 ++
src/test/regress/sql/alter_table.sql      |    1 +
4 files changed, 22 insertions(+), 1 deletion(-)