pgsql: Add support for privileges on types

Add support for privileges on types

This adds support for the more or less SQL-conforming USAGE privilege
on types and domains.  The intent is to be able restrict which users
can create dependencies on types, which restricts the way in which
owners can alter types.

reviewed by Yeb Havinga

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/729205571e81b4767efc42ad7beb53663e08d1ff

Modified Files
--------------
doc/src/sgml/information_schema.sgml           |   35 ++--
doc/src/sgml/ref/alter_default_privileges.sgml |   12 +-
doc/src/sgml/ref/alter_foreign_table.sgml      |    2 +
doc/src/sgml/ref/alter_table.sgml              |    3 +
doc/src/sgml/ref/alter_type.sgml               |    2 +
doc/src/sgml/ref/create_aggregate.sgml         |    7 +
doc/src/sgml/ref/create_cast.sgml              |    9 +-
doc/src/sgml/ref/create_domain.sgml            |    5 +
doc/src/sgml/ref/create_foreign_table.sgml     |    5 +
doc/src/sgml/ref/create_function.sgml          |    5 +
doc/src/sgml/ref/create_operator.sgml          |    7 +
doc/src/sgml/ref/create_table.sgml             |    6 +
doc/src/sgml/ref/create_type.sgml              |    5 +
doc/src/sgml/ref/grant.sgml                    |   19 ++-
doc/src/sgml/ref/psql-ref.sgml                 |    6 +-
doc/src/sgml/ref/revoke.sgml                   |   12 +
src/backend/access/common/tupdesc.c            |    9 +
src/backend/catalog/aclchk.c                   |  271 +++++++++++++++++++++
src/backend/catalog/information_schema.sql     |   84 +++++--
src/backend/catalog/pg_aggregate.c             |   23 ++
src/backend/catalog/pg_type.c                  |    9 +
src/backend/commands/functioncmds.c            |   24 ++
src/backend/commands/operatorcmds.c            |   24 ++
src/backend/commands/tablecmds.c               |   22 ++
src/backend/commands/typecmds.c                |    5 +
src/backend/executor/execMain.c                |   15 ++
src/backend/parser/gram.y                      |   19 ++-
src/backend/utils/adt/acl.c                    |  207 ++++++++++++++++
src/bin/psql/describe.c                        |   12 +
src/bin/psql/tab-complete.c                    |    8 +-
src/include/catalog/catversion.h               |    2 +-
src/include/catalog/pg_class.h                 |    2 +-
src/include/catalog/pg_default_acl.h           |    1 +
src/include/catalog/pg_proc.h                  |   13 +
src/include/catalog/pg_type.h                  |  305 ++++++++++++------------
src/include/nodes/parsenodes.h                 |    4 +-
src/include/parser/kwlist.h                    |    1 +
src/include/utils/acl.h                        |    4 +
src/include/utils/builtins.h                   |    6 +
src/test/regress/expected/privileges.out       |  116 +++++++++-
src/test/regress/sql/privileges.sql            |  124 ++++++++++
41 files changed, 1249 insertions(+), 201 deletions(-)