Remove grammar restrictions on order of optional clauses in CREATE GROUP.
From Vince Vielhaber.
This commit is contained in:
parent
5c4d1398a6
commit
3284758a17
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_group.sgml,v 1.2 2000/03/27 17:14:42 thomas Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_group.sgml,v 1.3 2001/07/12 18:02:58 tgl Exp $
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Postgres documentation
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-->
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@ -23,10 +23,12 @@ Postgres documentation
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<date>2000-01-14</date>
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</refsynopsisdivinfo>
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<synopsis>
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CREATE GROUP <replaceable class="PARAMETER">name</replaceable>
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[ WITH
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[ SYSID <replaceable class="PARAMETER">gid</replaceable> ]
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[ USER <replaceable class="PARAMETER">username</replaceable> [, ...] ] ]
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CREATE GROUP <replaceable class="PARAMETER">name</replaceable> [ [ WITH ] <replaceable class="PARAMETER">option</replaceable> [ ... ] ]
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where <replaceable class="PARAMETER">option</replaceable> can be:
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SYSID <replaceable class="PARAMETER">gid</replaceable>
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| USER <replaceable class="PARAMETER">username</replaceable> [, ...]
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</synopsis>
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<refsect2 id="R2-SQL-CREATEGROUP-1">
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@ -6,7 +6,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Header: /cvsroot/pgsql/src/backend/commands/user.c,v 1.78 2001/07/10 22:09:28 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/commands/user.c,v 1.79 2001/07/12 18:02:59 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -787,13 +787,47 @@ CreateGroup(CreateGroupStmt *stmt)
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HeapTuple tuple;
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TupleDesc pg_group_dsc;
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bool group_exists = false,
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sysid_exists = false;
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sysid_exists = false,
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havesysid = false;
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int max_id = 0;
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Datum new_record[Natts_pg_group];
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char new_record_nulls[Natts_pg_group];
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List *item,
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*newlist = NULL;
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*option,
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*newlist = NIL;
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ArrayType *userarray;
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int sysid = 0;
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List *userElts = NIL;
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DefElem *dsysid = NULL;
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DefElem *duserElts = NULL;
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foreach(option, stmt->options)
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{
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DefElem *defel = (DefElem *) lfirst(option);
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if (strcasecmp(defel->defname, "sysid") == 0) {
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if (dsysid)
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elog(ERROR, "CREATE GROUP: conflicting options");
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dsysid = defel;
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}
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else if (strcasecmp(defel->defname, "userElts") == 0) {
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if (duserElts)
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elog(ERROR, "CREATE GROUP: conflicting options");
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duserElts = defel;
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}
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else
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elog(ERROR,"CREATE GROUP: option \"%s\" not recognized",
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defel->defname);
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}
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if (dsysid)
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{
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sysid = intVal(dsysid->arg);
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havesysid = true;
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}
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if (duserElts)
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userElts = (List *) duserElts->arg;
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/*
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* Make sure the user can do this.
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@ -819,8 +853,8 @@ CreateGroup(CreateGroupStmt *stmt)
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datum = heap_getattr(tuple, Anum_pg_group_grosysid,
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pg_group_dsc, &null);
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Assert(!null);
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if (stmt->sysid >= 0) /* customized id wanted */
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sysid_exists = (DatumGetInt32(datum) == stmt->sysid);
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if (havesysid) /* customized id wanted */
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sysid_exists = (DatumGetInt32(datum) == sysid);
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else
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{
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/* pick 1 + max */
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@ -835,19 +869,19 @@ CreateGroup(CreateGroupStmt *stmt)
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stmt->name);
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if (sysid_exists)
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elog(ERROR, "CREATE GROUP: group sysid %d is already assigned",
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stmt->sysid);
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sysid);
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/*
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* Translate the given user names to ids
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*/
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foreach(item, stmt->initUsers)
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foreach(item, userElts)
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{
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const char *groupuser = strVal(lfirst(item));
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Value *v;
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v = makeInteger(get_usesysid(groupuser));
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if (!member(v, newlist))
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newlist = lcons(v, newlist);
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newlist = lappend(newlist, v);
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}
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/* build an array to insert */
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@ -872,14 +906,12 @@ CreateGroup(CreateGroupStmt *stmt)
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/*
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* Form a tuple to insert
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*/
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if (stmt->sysid >= 0)
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max_id = stmt->sysid;
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else
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max_id++;
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if (!havesysid)
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sysid = max_id + 1;
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new_record[Anum_pg_group_groname - 1] =
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DirectFunctionCall1(namein, CStringGetDatum(stmt->name));
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new_record[Anum_pg_group_grosysid - 1] = Int32GetDatum(max_id);
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new_record[Anum_pg_group_grosysid - 1] = Int32GetDatum(sysid);
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new_record[Anum_pg_group_grolist - 1] = PointerGetDatum(userarray);
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new_record_nulls[Anum_pg_group_groname - 1] = ' ';
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@ -952,7 +984,7 @@ AlterGroup(AlterGroupStmt *stmt, const char *tag)
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char new_record_nulls[Natts_pg_group];
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ArrayType *newarray,
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*oldarray;
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List *newlist = NULL,
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List *newlist = NIL,
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*item;
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HeapTuple tuple;
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bool null = false;
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@ -976,7 +1008,7 @@ AlterGroup(AlterGroupStmt *stmt, const char *tag)
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v = makeInteger(arrval);
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/* filter out duplicates */
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if (!member(v, newlist))
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newlist = lcons(v, newlist);
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newlist = lappend(newlist, v);
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}
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/*
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@ -1007,7 +1039,7 @@ AlterGroup(AlterGroupStmt *stmt, const char *tag)
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}
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if (!member(v, newlist))
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newlist = lcons(v, newlist);
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newlist = lappend(newlist, v);
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else
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/*
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* we silently assume here that this error will only come
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@ -1074,7 +1106,7 @@ AlterGroup(AlterGroupStmt *stmt, const char *tag)
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char new_record_nulls[Natts_pg_group];
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ArrayType *oldarray,
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*newarray;
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List *newlist = NULL,
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List *newlist = NIL,
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*item;
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int i;
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@ -1094,7 +1126,7 @@ AlterGroup(AlterGroupStmt *stmt, const char *tag)
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v = makeInteger(arrval);
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/* filter out duplicates */
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if (!member(v, newlist))
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newlist = lcons(v, newlist);
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newlist = lappend(newlist, v);
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}
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/*
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@ -15,7 +15,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.146 2001/07/10 22:09:28 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.147 2001/07/12 18:02:59 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -2462,8 +2462,7 @@ _copyCreateGroupStmt(CreateGroupStmt *from)
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if (from->name)
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newnode->name = pstrdup(from->name);
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newnode->sysid = from->sysid;
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Node_Copy(from, newnode, initUsers);
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Node_Copy(from, newnode, options);
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return newnode;
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}
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@ -2476,7 +2475,6 @@ _copyAlterGroupStmt(AlterGroupStmt *from)
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if (from->name)
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newnode->name = pstrdup(from->name);
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newnode->action = from->action;
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newnode->sysid = from->sysid;
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Node_Copy(from, newnode, listUsers);
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return newnode;
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@ -20,7 +20,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.94 2001/07/10 22:09:28 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.95 2001/07/12 18:02:59 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -1320,9 +1320,7 @@ _equalCreateGroupStmt(CreateGroupStmt *a, CreateGroupStmt *b)
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{
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if (!equalstr(a->name, b->name))
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return false;
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if (a->sysid != b->sysid)
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return false;
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if (!equal(a->initUsers, b->initUsers))
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if (!equal(a->options, b->options))
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return false;
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return true;
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@ -1335,8 +1333,6 @@ _equalAlterGroupStmt(AlterGroupStmt *a, AlterGroupStmt *b)
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return false;
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if (a->action != b->action)
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return false;
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if (a->sysid != b->sysid)
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return false;
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if (!equal(a->listUsers, b->listUsers))
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return false;
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@ -11,7 +11,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.235 2001/07/10 22:09:28 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.236 2001/07/12 18:02:59 tgl Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@ -155,7 +155,10 @@ static void doNegateFloat(Value *v);
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%type <ival> opt_lock, lock_type
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%type <boolean> opt_force
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%type <list> user_list, users_in_new_group_clause
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%type <list> user_list
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%type <list> OptGroupList
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%type <defelt> OptGroupElem
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%type <list> OptUserList
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%type <defelt> OptUserElem
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@ -489,19 +492,19 @@ stmt : AlterSchemaStmt
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*****************************************************************************/
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CreateUserStmt: CREATE USER UserId OptUserList
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{
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{
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CreateUserStmt *n = makeNode(CreateUserStmt);
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n->user = $3;
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n->options = $4;
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$$ = (Node *)n;
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}
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| CREATE USER UserId WITH OptUserList
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{
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}
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| CREATE USER UserId WITH OptUserList
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{
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CreateUserStmt *n = makeNode(CreateUserStmt);
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n->user = $3;
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n->options = $5;
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$$ = (Node *)n;
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}
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}
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;
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/*****************************************************************************
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@ -512,19 +515,19 @@ CreateUserStmt: CREATE USER UserId OptUserList
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*****************************************************************************/
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AlterUserStmt: ALTER USER UserId OptUserList
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{
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{
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AlterUserStmt *n = makeNode(AlterUserStmt);
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n->user = $3;
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n->options = $4;
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$$ = (Node *)n;
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}
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| ALTER USER UserId WITH OptUserList
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{
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}
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| ALTER USER UserId WITH OptUserList
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{
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AlterUserStmt *n = makeNode(AlterUserStmt);
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n->user = $3;
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n->options = $5;
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$$ = (Node *)n;
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}
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}
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;
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/*****************************************************************************
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@ -618,35 +621,43 @@ user_list: user_list ',' UserId
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*
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*****************************************************************************/
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CreateGroupStmt: CREATE GROUP UserId
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{
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CreateGroupStmt: CREATE GROUP UserId OptGroupList
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{
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CreateGroupStmt *n = makeNode(CreateGroupStmt);
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n->name = $3;
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n->sysid = -1;
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n->initUsers = NIL;
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n->options = $4;
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$$ = (Node *)n;
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}
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| CREATE GROUP UserId WITH users_in_new_group_clause
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{
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}
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| CREATE GROUP UserId WITH OptGroupList
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{
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CreateGroupStmt *n = makeNode(CreateGroupStmt);
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n->name = $3;
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n->sysid = -1;
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n->initUsers = $5;
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n->options = $5;
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$$ = (Node *)n;
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}
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| CREATE GROUP UserId WITH SYSID Iconst users_in_new_group_clause
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{
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CreateGroupStmt *n = makeNode(CreateGroupStmt);
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n->name = $3;
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n->sysid = $6;
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n->initUsers = $7;
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$$ = (Node *)n;
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}
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}
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;
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users_in_new_group_clause: USER user_list { $$ = $2; }
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| /* EMPTY */ { $$ = NIL; }
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;
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/*
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* Options for CREATE GROUP
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*/
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OptGroupList: OptGroupList OptGroupElem { $$ = lappend($1, $2); }
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| /* EMPTY */ { $$ = NIL; }
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;
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OptGroupElem: USER user_list
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{
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$$ = makeNode(DefElem);
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$$->defname = "userElts";
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$$->arg = (Node *)$2;
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}
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| SYSID Iconst
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{
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$$ = makeNode(DefElem);
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$$->defname = "sysid";
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$$->arg = (Node *)makeInteger($2);
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}
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;
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/*****************************************************************************
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*
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@ -659,7 +670,6 @@ AlterGroupStmt: ALTER GROUP UserId ADD USER user_list
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{
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AlterGroupStmt *n = makeNode(AlterGroupStmt);
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n->name = $3;
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n->sysid = -1;
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n->action = +1;
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n->listUsers = $6;
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$$ = (Node *)n;
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@ -668,13 +678,13 @@ AlterGroupStmt: ALTER GROUP UserId ADD USER user_list
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{
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AlterGroupStmt *n = makeNode(AlterGroupStmt);
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n->name = $3;
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n->sysid = -1;
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n->action = -1;
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n->listUsers = $6;
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$$ = (Node *)n;
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}
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;
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/*****************************************************************************
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*
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* Drop a postgresql group
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: parsenodes.h,v 1.134 2001/07/10 22:09:29 tgl Exp $
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* $Id: parsenodes.h,v 1.135 2001/07/12 18:03:00 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -365,8 +365,7 @@ typedef struct CreateGroupStmt
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{
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NodeTag type;
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char *name; /* name of the new group */
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int sysid; /* group id (-1 if pick default) */
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List *initUsers; /* list of initial users */
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List *options; /* List of DefElem nodes */
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} CreateGroupStmt;
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typedef struct AlterGroupStmt
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@ -374,7 +373,6 @@ typedef struct AlterGroupStmt
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NodeTag type;
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char *name; /* name of group to alter */
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int action; /* +1 = add, -1 = drop user */
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int sysid; /* sysid change */
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List *listUsers; /* list of users to add/drop */
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} AlterGroupStmt;
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|
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@ -331,7 +331,7 @@ make_name(void)
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%type <str> select_clause opt_select_limit select_limit_value ConstraintTimeSpec
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%type <str> select_offset_value ReindexStmt join_type opt_boolean
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%type <str> join_qual update_list AlterSchemaStmt joined_table
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%type <str> opt_level opt_lock lock_type users_in_new_group_clause
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%type <str> opt_level opt_lock lock_type OptGroupList OptGroupElem
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%type <str> OptConstrFromTable comment_op OptTempTableName StringConst
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%type <str> constraints_set_list constraints_set_namelist comment_fn
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%type <str> constraints_set_mode comment_type comment_cl comment_ag
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|
@ -691,23 +691,32 @@ user_list: user_list ',' UserId
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*
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*
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****************************************************************************/
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CreateGroupStmt: CREATE GROUP UserId
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CreateGroupStmt: CREATE GROUP UserId OptGroupList
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{
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$$ = cat2_str(make_str("create group"), $3);
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$$ = cat_str(3, make_str("create group"), $3, $4);
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}
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| CREATE GROUP UserId WITH users_in_new_group_clause
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| CREATE GROUP UserId WITH OptGroupList
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{
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$$ = cat_str(4, make_str("create group"), $3, make_str("with"), $5);
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}
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| CREATE GROUP UserId WITH SYSID Iconst users_in_new_group_clause
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{
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$$ = cat_str(5, make_str("create group"), $3, make_str("with sysid"), $6, $7);
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}
|
||||
;
|
||||
;
|
||||
|
||||
users_in_new_group_clause: USER user_list { $$ = cat2_str(make_str("user"), $2); }
|
||||
| /* EMPTY */ { $$ = EMPTY; }
|
||||
;
|
||||
/*
|
||||
* Options for CREATE GROUP
|
||||
*/
|
||||
OptGroupList: OptGroupList OptGroupElem { $$ = cat2_str($1, $2); }
|
||||
| /* EMPTY */ { $$ = EMPTY; }
|
||||
;
|
||||
|
||||
OptGroupElem: USER user_list
|
||||
{
|
||||
$$ = cat2_str(make_str("user"), $2);
|
||||
}
|
||||
| SYSID Iconst
|
||||
{
|
||||
$$ = cat2_str(make_str("sysid"), $2);
|
||||
}
|
||||
;
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
|
|
Loading…
Reference in New Issue