Обсуждение: [COMMITTERS] pgsql: Add CREATE COLLATION IF NOT EXISTS clause
Add CREATE COLLATION IF NOT EXISTS clause The core of the functionality was already implemented when pg_import_system_collations was added. This just exposes it as an option in the SQL command. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/6d16ecc646d21b39092970c591fd0f73b4cfc26b Modified Files -------------- doc/src/sgml/ref/create_collation.sgml | 15 +++++++++++++-- src/backend/commands/collationcmds.c | 4 ++-- src/backend/nodes/copyfuncs.c | 1 + src/backend/nodes/equalfuncs.c | 1 + src/backend/parser/gram.y | 20 ++++++++++++++++++++ src/backend/tcop/utility.c | 3 ++- src/include/commands/collationcmds.h | 2 +- src/include/nodes/parsenodes.h | 1 + src/test/regress/expected/collate.linux.utf8.out | 4 ++++ src/test/regress/sql/collate.linux.utf8.sql | 2 ++ 10 files changed, 47 insertions(+), 6 deletions(-)