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Commit4d43d5d

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Ignore tablespace ACLs when ignoring schema ACLs.
The ALTER TABLE ALTER TYPE implementation can issue DROP INDEX andCREATE INDEX to refit existing indexes for the new column type. Sincethis CREATE INDEX is an implementation detail of an index alteration,the ensuing DefineIndex() should skip ACL checks specific to indexcreation. It already skips the namespace ACL check. Make it skip thetablespace ACL check, too. Back-patch to 9.2 (all supported versions).Reviewed by Tom Lane.
1 parentfc96a5f commit4d43d5d

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3 files changed

+20
-5
lines changed

3 files changed

+20
-5
lines changed

‎src/backend/commands/indexcmds.c

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -292,8 +292,8 @@ CheckIndexCompatible(Oid oldId,
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* 'indexRelationId': normally InvalidOid, but during bootstrap can be
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*nonzero to specify a preselected OID for the index.
294294
* 'is_alter_table': this is due to an ALTER rather than a CREATE operation.
295-
* 'check_rights': check for CREATE rights inthenamespace. (This should
296-
*be true except when ALTER is deleting/recreating an index.)
295+
* 'check_rights': check for CREATE rights in namespace and tablespace. (This
296+
*shouldbe true except when ALTER is deleting/recreating an index.)
297297
* 'skip_build': make the catalog entries but leave the index file empty;
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*it will be filled later.
299299
* 'quiet': suppress the NOTICE chatter ordinarily provided for constraints.
@@ -429,8 +429,9 @@ DefineIndex(Oid relationId,
429429
/* note InvalidOid is OK in this case */
430430
}
431431

432-
/* Check permissions except when using database's default */
433-
if (OidIsValid(tablespaceId)&&tablespaceId!=MyDatabaseTableSpace)
432+
/* Check tablespace permissions */
433+
if (check_rights&&
434+
OidIsValid(tablespaceId)&&tablespaceId!=MyDatabaseTableSpace)
434435
{
435436
AclResultaclresult;
436437

‎src/test/regress/input/tablespace.source

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -97,11 +97,18 @@ DROP TABLESPACE regress_tblspace;
9797

9898
CREATE ROLE regress_tablespace_user1 login;
9999
CREATE ROLE regress_tablespace_user2 login;
100+
GRANT USAGE ON SCHEMA testschema TO regress_tablespace_user2;
100101

101102
ALTER TABLESPACE regress_tblspace OWNER TO regress_tablespace_user1;
102103

104+
CREATE TABLE testschema.tablespace_acl (c int);
105+
-- new owner lacks permission to create this index from scratch
106+
CREATE INDEX k ON testschema.tablespace_acl (c) TABLESPACE regress_tblspace;
107+
ALTER TABLE testschema.tablespace_acl OWNER TO regress_tablespace_user2;
108+
103109
SET SESSION ROLE regress_tablespace_user2;
104110
CREATE TABLE tablespace_table (i int) TABLESPACE regress_tblspace; -- fail
111+
ALTER TABLE testschema.tablespace_acl ALTER c TYPE bigint;
105112
RESET ROLE;
106113

107114
ALTER TABLESPACE regress_tblspace RENAME TO regress_tblspace_renamed;

‎src/test/regress/output/tablespace.source

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -192,10 +192,16 @@ DROP TABLESPACE regress_tblspace;
192192
ERROR: tablespace "regress_tblspace" is not empty
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CREATE ROLE regress_tablespace_user1 login;
194194
CREATE ROLE regress_tablespace_user2 login;
195+
GRANT USAGE ON SCHEMA testschema TO regress_tablespace_user2;
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ALTER TABLESPACE regress_tblspace OWNER TO regress_tablespace_user1;
197+
CREATE TABLE testschema.tablespace_acl (c int);
198+
-- new owner lacks permission to create this index from scratch
199+
CREATE INDEX k ON testschema.tablespace_acl (c) TABLESPACE regress_tblspace;
200+
ALTER TABLE testschema.tablespace_acl OWNER TO regress_tablespace_user2;
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SET SESSION ROLE regress_tablespace_user2;
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CREATE TABLE tablespace_table (i int) TABLESPACE regress_tblspace; -- fail
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ERROR: permission denied for tablespace regress_tblspace
204+
ALTER TABLE testschema.tablespace_acl ALTER c TYPE bigint;
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RESET ROLE;
200206
ALTER TABLESPACE regress_tblspace RENAME TO regress_tblspace_renamed;
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ALTER TABLE ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default;
@@ -206,10 +212,11 @@ NOTICE: no matching relations in tablespace "regress_tblspace_renamed" found
206212
-- Should succeed
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DROP TABLESPACE regress_tblspace_renamed;
208214
DROP SCHEMA testschema CASCADE;
209-
NOTICE: drop cascades to4 other objects
215+
NOTICE: drop cascades to5 other objects
210216
DETAIL: drop cascades to table testschema.foo
211217
drop cascades to table testschema.asselect
212218
drop cascades to table testschema.asexecute
213219
drop cascades to table testschema.atable
220+
drop cascades to table testschema.tablespace_acl
214221
DROP ROLE regress_tablespace_user1;
215222
DROP ROLE regress_tablespace_user2;

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