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Here's the Create/Alter/Drop Group stuff that's been really overdue. I

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didn't have time for documentation yet, but I'll write some. There are
still some things to work out what happens when you alter or drop users,
but the group stuff in and by itself is done.

--
Peter Eisentraut                  Sernanders väg 10:115
This commit is contained in:
Bruce Momjian
1999-12-16 17:24:19 +00:00
parent 4cb1fb6f59
commit 99b8f84511
8 changed files with 682 additions and 19 deletions
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103
src/backend/parser/gram.y
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.122 1999/12/14 00:08:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.123 1999/12/16 17:24:14 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -129,6 +129,7 @@ static Node *doNegate(Node *n);
ClusterStmt, ExplainStmt, VariableSetStmt, VariableShowStmt, VariableResetStmt,
CreateUserStmt, AlterUserStmt, DropUserStmt, RuleActionStmt,
RuleActionStmtOrEmpty, ConstraintsSetStmt,
CreateGroupStmt, AlterGroupStmt, DropGroupStmt
%type <str> opt_database1, opt_database2, location, encoding
@@ -139,7 +140,7 @@ static Node *doNegate(Node *n);
%type <str> user_passwd_clause
%type <ival> sysid_clause
%type <str> user_valid_clause
%type <list> user_group_list, user_group_clause
%type <list> user_group_list, user_group_clause, users_in_new_group_clause
%type <boolean> TriggerActionTime, TriggerForSpec, PLangTrusted
@@ -391,11 +392,13 @@ stmtmulti: stmtmulti ';' stmt
;
stmt : AddAttrStmt
| AlterGroupStmt
| AlterUserStmt
| ClosePortalStmt
| CopyStmt
| CreateStmt
| CreateAsStmt
| CreateGroupStmt
| CreateSeqStmt
| CreatePLangStmt
| CreateTrigStmt
@@ -405,6 +408,7 @@ stmt : AddAttrStmt
| DropStmt
| TruncateStmt
| CommentStmt
| DropGroupStmt
| DropPLangStmt
| DropTrigStmt
| DropUserStmt
@@ -575,20 +579,99 @@ user_group_list: user_group_list ',' UserId
}
;
user_group_clause: IN GROUP user_group_list
{
/* the backend doesn't actually process this,
* so an error message is probably fairer */
yyerror("IN GROUP is not implemented");
/* $$ = $3; */
}
| /*EMPTY*/ { $$ = NULL; }
user_group_clause: IN GROUP user_group_list { $$ = $3; }
| /*EMPTY*/ { $$ = NULL; }
;
user_valid_clause: VALID UNTIL SCONST { $$ = $3; }
| /*EMPTY*/ { $$ = NULL; }
;
/*****************************************************************************
*
* Create a postresql group
*
*
*****************************************************************************/
CreateGroupStmt: CREATE GROUP UserId
{
CreateGroupStmt *n = makeNode(CreateGroupStmt);
n->name = $3;
n->sysid = -1;
n->initUsers = NULL;
$$ = (Node *)n;
}
|
CREATE GROUP UserId WITH sysid_clause users_in_new_group_clause
{
CreateGroupStmt *n = makeNode(CreateGroupStmt);
n->name = $3;
n->sysid = $5;
n->initUsers = $6;
$$ = (Node *)n;
}
;
users_in_new_group_clause: USER user_group_list { $$ = $2; }
| /* EMPTY */ { $$ = NULL; }
;
/*****************************************************************************
*
* Alter a postresql group
*
*
*****************************************************************************/
AlterGroupStmt: ALTER GROUP UserId WITH SYSID Iconst
{
AlterGroupStmt *n = makeNode(AlterGroupStmt);
n->name = $3;
n->sysid = $6;
n->action = 0;
n->listUsers = NULL;
$$ = (Node *)n;
}
|
ALTER GROUP UserId ADD USER user_group_list
{
AlterGroupStmt *n = makeNode(AlterGroupStmt);
n->name = $3;
n->sysid = -1;
n->action = +1;
n->listUsers = $6;
$$ = (Node *)n;
}
|
ALTER GROUP UserId DROP USER user_group_list
{
AlterGroupStmt *n = makeNode(AlterGroupStmt);
n->name = $3;
n->sysid = -1;
n->action = -1;
n->listUsers = $6;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Drop a postresql group
*
*
*****************************************************************************/
DropGroupStmt: DROP GROUP UserId
{
DropGroupStmt *n = makeNode(DropGroupStmt);
n->name = $3;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Set PG internal variable