Support CREATE SCHEMA IF NOT EXISTS.
authorTom Lane <tgl@sss.pgh.pa.us>
Wed, 3 Oct 2012 23:47:11 +0000 (19:47 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Wed, 3 Oct 2012 23:47:11 +0000 (19:47 -0400)
commitfb34e94d214d6767910df47aa7c605c452d11c57
tree2e8a4161779f1a32c556b6e4acc5db4cb783db17
parent994c36e01d19dece2b0c76fb781e1d08a6e1c814
Support CREATE SCHEMA IF NOT EXISTS.

Per discussion, schema-element subcommands are not allowed together with
this option, since it's not very obvious what should happen to the element
objects.

Fabrízio de Royes Mello
doc/src/sgml/ref/create_schema.sgml
src/backend/commands/extension.c
src/backend/commands/schemacmds.c
src/backend/nodes/copyfuncs.c
src/backend/nodes/equalfuncs.c
src/backend/parser/gram.y
src/include/nodes/parsenodes.h
src/test/regress/expected/namespace.out
src/test/regress/sql/namespace.sql