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Clean up some loose ends from the column privileges patch: add

has_column_privilege and has_any_column_privilege SQL functions; fix the
information_schema views that are supposed to pay attention to column
privileges; adjust pg_stats to show stats for any column you have select
privilege on; and fix COPY to allow copying a subset of columns if the user
has suitable per-column privileges for all the columns.

To improve efficiency of some of the information_schema views, extend the
has_xxx_privilege functions to allow inquiring about the OR of a set of
privileges in just one call.  This is just exposing capability that already
existed in the underlying aclcheck routines.

In passing, make the information_schema views report the owner's own
privileges as being grantable, since Postgres assumes this even when the grant
option bit is not set in the ACL.  This is a longstanding oversight.

Also, make the new has_xxx_privilege functions for foreign data objects follow
the same coding conventions used by the older ones.

Stephen Frost and Tom Lane
This commit is contained in:
Tom Lane
2009-02-06 21:15:12 +00:00
parent 0274e1b949
commit 7449427a1e
14 changed files with 1330 additions and 463 deletions

View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.330 2009/01/01 17:24:02 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.331 2009/02/06 21:15:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -22,6 +22,24 @@
*/
/* acl.c */
extern Datum has_any_column_privilege_name_name(PG_FUNCTION_ARGS);
extern Datum has_any_column_privilege_name_id(PG_FUNCTION_ARGS);
extern Datum has_any_column_privilege_id_name(PG_FUNCTION_ARGS);
extern Datum has_any_column_privilege_id_id(PG_FUNCTION_ARGS);
extern Datum has_any_column_privilege_name(PG_FUNCTION_ARGS);
extern Datum has_any_column_privilege_id(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_name_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_name_attnum(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_id_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_id_attnum(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_name_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_name_attnum(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_id_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_id_attnum(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_name_attnum(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_name(PG_FUNCTION_ARGS);
extern Datum has_column_privilege_id_attnum(PG_FUNCTION_ARGS);
extern Datum has_table_privilege_name_name(PG_FUNCTION_ARGS);
extern Datum has_table_privilege_name_id(PG_FUNCTION_ARGS);
extern Datum has_table_privilege_id_name(PG_FUNCTION_ARGS);