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Further unify ROLE and USER command grammar rules

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ALTER USER ... SET did not support all the syntax variants of ALTER ROLE
...  SET.  Fix that, and to avoid further deviations of this kind, unify
many the grammar rules for ROLE/USER/GROUP commands.

Reported-by: Pavel Golub <pavel@microolap.com>
pull/24/head
Peter Eisentraut 8 years ago
parent 3eb9a5e7c4
commit b374481221
3 changed files with 43 additions and 80 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 8
      doc/src/sgml/ref/alter_user.sgml
  2. 105
      src/backend/parser/gram.y
  3. 10
      src/test/regress/expected/rolenames.out

8
doc/src/sgml/ref/alter_user.sgml
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@ -38,10 +38,10 @@ ALTER USER <replaceable class="PARAMETER">role_specification</replaceable> [ WIT
ALTER USER <replaceable class="PARAMETER">name</replaceable> RENAME TO <replaceable>new_name</replaceable>
ALTER USER <replaceable class="PARAMETER">role_specification</replaceable> SET <replaceable>configuration_parameter</replaceable> { TO | = } { <replaceable>value</replaceable> | DEFAULT }
ALTER USER <replaceable class="PARAMETER">role_specification</replaceable> SET <replaceable>configuration_parameter</replaceable> FROM CURRENT
ALTER USER <replaceable class="PARAMETER">role_specification</replaceable> RESET <replaceable>configuration_parameter</replaceable>
ALTER USER <replaceable class="PARAMETER">role_specification</replaceable> RESET ALL
ALTER USER { <replaceable class="PARAMETER">role_specification</replaceable> | ALL } [ IN DATABASE <replaceable class="PARAMETER">database_name</replaceable> ] SET <replaceable>configuration_parameter</replaceable> { TO | = } { <replaceable>value</replaceable> | DEFAULT }
ALTER USER { <replaceable class="PARAMETER">role_specification</replaceable> | ALL } [ IN DATABASE <replaceable class="PARAMETER">database_name</replaceable> ] SET <replaceable>configuration_parameter</replaceable> FROM CURRENT
ALTER USER { <replaceable class="PARAMETER">role_specification</replaceable> | ALL } [ IN DATABASE <replaceable class="PARAMETER">database_name</replaceable> ] RESET <replaceable>configuration_parameter</replaceable>
ALTER USER { <replaceable class="PARAMETER">role_specification</replaceable> | ALL } [ IN DATABASE <replaceable class="PARAMETER">database_name</replaceable> ] RESET ALL
<phrase>where <replaceable class="PARAMETER">role_specification</replaceable> can be:</phrase>

105
src/backend/parser/gram.y
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@ -250,7 +250,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
AlterObjectDependsStmt AlterObjectSchemaStmt AlterOwnerStmt
AlterOperatorStmt AlterSeqStmt AlterSystemStmt AlterTableStmt
AlterTblSpcStmt AlterExtensionStmt AlterExtensionContentsStmt AlterForeignTableStmt
AlterCompositeTypeStmt AlterUserStmt AlterUserMappingStmt AlterUserSetStmt
AlterCompositeTypeStmt AlterUserMappingStmt
AlterRoleStmt AlterRoleSetStmt AlterPolicyStmt
AlterDefaultPrivilegesStmt DefACLAction
AnalyzeStmt ClosePortalStmt ClusterStmt CommentStmt
@ -262,9 +262,9 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
CreateAssertStmt CreateTransformStmt CreateTrigStmt CreateEventTrigStmt
CreateUserStmt CreateUserMappingStmt CreateRoleStmt CreatePolicyStmt
CreatedbStmt DeclareCursorStmt DefineStmt DeleteStmt DiscardStmt DoStmt
DropGroupStmt DropOpClassStmt DropOpFamilyStmt DropPLangStmt DropStmt
DropOpClassStmt DropOpFamilyStmt DropPLangStmt DropStmt
DropAssertStmt DropCastStmt DropRoleStmt
DropUserStmt DropdbStmt DropTableSpaceStmt
DropdbStmt DropTableSpaceStmt
DropTransformStmt
DropUserMappingStmt ExplainStmt FetchStmt
GrantStmt GrantRoleStmt ImportForeignSchemaStmt IndexStmt InsertStmt
@ -841,8 +841,6 @@ stmt :
| AlterTSConfigurationStmt
| AlterTSDictionaryStmt
| AlterUserMappingStmt
| AlterUserSetStmt
| AlterUserStmt
| AnalyzeStmt
| CheckPointStmt
| ClosePortalStmt
@ -890,7 +888,6 @@ stmt :
| DoStmt
| DropAssertStmt
| DropCastStmt
| DropGroupStmt
| DropOpClassStmt
| DropOpFamilyStmt
| DropOwnedStmt
@ -900,7 +897,6 @@ stmt :
| DropTableSpaceStmt
| DropTransformStmt
| DropRoleStmt
| DropUserStmt
| DropUserMappingStmt
| DropdbStmt
| ExecuteStmt
@ -1130,6 +1126,14 @@ AlterRoleStmt:
n->options = $5;
$$ = (Node *)n;
}
| ALTER USER RoleSpec opt_with AlterOptRoleList
{
AlterRoleStmt *n = makeNode(AlterRoleStmt);
n->role = $3;
n->action = +1; /* add, if there are members */
n->options = $5;
$$ = (Node *)n;
}
;
opt_in_database:
@ -1154,37 +1158,23 @@ AlterRoleSetStmt:
n->setstmt = $5;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Alter a postgresql DBMS user
*
*****************************************************************************/
AlterUserStmt:
ALTER USER RoleSpec opt_with AlterOptRoleList
{
AlterRoleStmt *n = makeNode(AlterRoleStmt);
| ALTER USER RoleSpec opt_in_database SetResetClause
{
AlterRoleSetStmt *n = makeNode(AlterRoleSetStmt);
n->role = $3;
n->action = +1; /* add, if there are members */
n->options = $5;
n->database = $4;
n->setstmt = $5;
$$ = (Node *)n;
}
;
AlterUserSetStmt:
ALTER USER RoleSpec SetResetClause
}
| ALTER USER ALL opt_in_database SetResetClause
{
AlterRoleSetStmt *n = makeNode(AlterRoleSetStmt);
n->role = $3;
n->database = NULL;
n->setstmt = $4;
n->role = NULL;
n->database = $4;
n->setstmt = $5;
$$ = (Node *)n;
}
;
;
/*****************************************************************************
@ -1211,17 +1201,7 @@ DropRoleStmt:
n->roles = $5;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Drop a postgresql DBMS user
*
* XXX As with DROP ROLE, no CASCADE/RESTRICT here.
*****************************************************************************/
DropUserStmt:
DROP USER role_list
| DROP USER role_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
@ -1235,6 +1215,20 @@ DropUserStmt:
n->missing_ok = TRUE;
$$ = (Node *)n;
}
| DROP GROUP_P role_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
n->roles = $3;
$$ = (Node *)n;
}
| DROP GROUP_P IF_P EXISTS role_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = TRUE;
n->roles = $5;
$$ = (Node *)n;
}
;
@ -1279,31 +1273,6 @@ add_drop: ADD_P { $$ = +1; }
;
/*****************************************************************************
*
* Drop a postgresql group
*
* XXX As with DROP ROLE, no CASCADE/RESTRICT here.
*****************************************************************************/
DropGroupStmt:
DROP GROUP_P role_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
n->roles = $3;
$$ = (Node *)n;
}
| DROP GROUP_P IF_P EXISTS role_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = TRUE;
n->roles = $5;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Manipulate a schema

10
src/test/regress/expected/rolenames.out
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@ -310,9 +310,9 @@ ERROR: syntax error at or near "CURRENT_ROLE"
LINE 1: ALTER USER CURRENT_ROLE WITH LOGIN;
^
ALTER USER ALL WITH REPLICATION; -- error
ERROR: syntax error at or near "ALL"
ERROR: syntax error at or near "WITH"
LINE 1: ALTER USER ALL WITH REPLICATION;
^
^
ALTER USER SESSION_ROLE WITH NOREPLICATION; -- error
ERROR: role "session_role" does not exist
ALTER USER PUBLIC WITH NOREPLICATION; -- error
@ -392,9 +392,6 @@ ALTER USER SESSION_USER SET application_name to 'BAR';
ALTER USER "current_user" SET application_name to 'FOOFOO';
ALTER USER "Public" SET application_name to 'BARBAR';
ALTER USER ALL SET application_name to 'SLAP';
ERROR: syntax error at or near "ALL"
LINE 1: ALTER USER ALL SET application_name to 'SLAP';
^
SELECT * FROM chksetconfig();
db | role | rolkeyword | setconfig
-----+------------------+--------------+---------------------------
@ -419,9 +416,6 @@ ALTER USER SESSION_USER RESET application_name;
ALTER USER "current_user" RESET application_name;
ALTER USER "Public" RESET application_name;
ALTER USER ALL RESET application_name;
ERROR: syntax error at or near "ALL"
LINE 1: ALTER USER ALL RESET application_name;
^
SELECT * FROM chksetconfig();
db | role | rolkeyword | setconfig
----+------+------------+-----------

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