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Implement DROP OWNED and REASSIGN OWNED. These new commands facilitate the

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process of dropping roles by dropping objects owned by them and privileges
granted to them, or giving the owned objects to someone else, through the
use of the data stored in the new pg_shdepend catalog.

Some refactoring of the GRANT/REVOKE code was needed, as well as ALTER OWNER
code.  Further cleanup of code duplication in the GRANT code seems necessary.

Implemented by me after an idea from Tom Lane, who also provided various kind
of implementation advice.

Regression tests pass.  Some tests for the new functionality are also added,
as well as rudimentary documentation.
This commit is contained in:
Alvaro Herrera
2005-11-21 12:49:33 +00:00
parent c52795d18a
commit cec3b0a9e6
31 changed files with 1532 additions and 377 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/backend/parser/gram.y
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.513 2005/11/19 17:39:44 adunstan Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.514 2005/11/21 12:49:31 alvherre Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -153,6 +153,7 @@ static void doNegateFloat(Value *v);
VariableResetStmt VariableSetStmt VariableShowStmt
ViewStmt CheckPointStmt CreateConversionStmt
DeallocateStmt PrepareStmt ExecuteStmt
DropOwnedStmt ReassignOwnedStmt
%type <node> select_no_parens select_with_parens select_clause
simple_select
@@ -382,7 +383,7 @@ static void doNegateFloat(Value *v);
NOT NOTHING NOTIFY NOTNULL NOWAIT NULL_P NULLIF NUMERIC
OBJECT_P OF OFF OFFSET OIDS OLD ON ONLY OPERATOR OPTION OR
ORDER OUT_P OUTER_P OVERLAPS OVERLAY OWNER
ORDER OUT_P OUTER_P OVERLAPS OVERLAY OWNED OWNER
PARTIAL PASSWORD PLACING POSITION
PRECISION PRESERVE PREPARE PREPARED PRIMARY
@@ -390,7 +391,7 @@ static void doNegateFloat(Value *v);
QUOTE
READ REAL RECHECK REFERENCES REINDEX RELATIVE_P RELEASE RENAME
READ REAL REASSIGN RECHECK REFERENCES REINDEX RELATIVE_P RELEASE RENAME
REPEATABLE REPLACE RESET RESTART RESTRICT RETURNS REVOKE RIGHT
ROLE ROLLBACK ROW ROWS RULE
@@ -533,6 +534,7 @@ stmt :
| DropCastStmt
| DropGroupStmt
| DropOpClassStmt
| DropOwnedStmt
| DropPLangStmt
| DropRuleStmt
| DropStmt
@@ -553,6 +555,7 @@ stmt :
| LockStmt
| NotifyStmt
| PrepareStmt
| ReassignOwnedStmt
| ReindexStmt
| RemoveAggrStmt
| RemoveFuncStmt
@@ -2813,6 +2816,33 @@ DropOpClassStmt:
}
;
/*****************************************************************************
*
* QUERY:
*
* DROP OWNED BY username [, username ...] [ RESTRICT | CASCADE ]
* REASSIGN OWNED BY username [, username ...] TO username
*
*****************************************************************************/
DropOwnedStmt:
DROP OWNED BY name_list opt_drop_behavior
{
DropOwnedStmt *n = makeNode(DropOwnedStmt);
n->roles = $4;
n->behavior = $5;
$$ = (Node *)n;
}
;
ReassignOwnedStmt:
REASSIGN OWNED BY name_list TO name
{
ReassignOwnedStmt *n = makeNode(ReassignOwnedStmt);
n->roles = $4;
n->newrole = $6;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
@@ -8222,6 +8252,7 @@ unreserved_keyword:
| OIDS
| OPERATOR
| OPTION
| OWNED
| OWNER
| PARTIAL
| PASSWORD
@@ -8234,6 +8265,7 @@ unreserved_keyword:
| PROCEDURE
| QUOTE
| READ
| REASSIGN
| RECHECK
| REINDEX
| RELATIVE_P

4
src/backend/parser/keywords.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/keywords.c,v 1.167 2005/11/19 17:39:44 adunstan Exp $
* $PostgreSQL: pgsql/src/backend/parser/keywords.c,v 1.168 2005/11/21 12:49:32 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@@ -252,6 +252,7 @@ static const ScanKeyword ScanKeywords[] = {
{"outer", OUTER_P},
{"overlaps", OVERLAPS},
{"overlay", OVERLAY},
{"owned", OWNED},
{"owner", OWNER},
{"partial", PARTIAL},
{"password", PASSWORD},
@@ -269,6 +270,7 @@ static const ScanKeyword ScanKeywords[] = {
{"quote", QUOTE},
{"read", READ},
{"real", REAL},
{"reassign", REASSIGN},
{"recheck", RECHECK},
{"references", REFERENCES},
{"reindex", REINDEX},