pgsql: Add support for renaming domain constraints

Add support for renaming domain constraints

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/38b9693fd9847f4dcf6ff2fc469a7f2aac6385d9

Modified Files
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doc/src/sgml/ref/alter_domain.sgml | 29 +++++++++++++++-
src/backend/catalog/objectaddress.c | 2 +-
src/backend/catalog/pg_constraint.c | 62 ++++++++++++++++++++++++++++++++-
src/backend/commands/tablecmds.c | 61 ++++++++++++++++++++++++---------
src/backend/commands/typecmds.c | 3 +-
src/backend/parser/gram.y | 10 +++++
src/backend/parser/parse_utilcmd.c | 2 +-
src/include/catalog/pg_constraint.h | 3 +-
src/include/commands/typecmds.h | 3 ++
src/test/regress/expected/domain.out | 7 ++++
src/test/regress/sql/domain.sql | 10 +++++
11 files changed, 168 insertions(+), 24 deletions(-)