From: Darren King <aixssd!darrenk@abs.net>
Subject: [PATCHES] DROP AGGREGATE patch/fix. Here's a patch that fixes the DROP AGGREGATE command to delete the desired aggregate for a specific type.
This commit is contained in:
parent
021ccf0b8c
commit
5e7c0a0b9a
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.7 1996/11/30 18:06:10 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.8 1997/05/22 00:14:32 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -403,27 +403,78 @@ RemoveFunction(char *functionName, /* function name to be removed */
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}
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void
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RemoveAggregate(char *aggName)
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RemoveAggregate(char *aggName, char *aggType)
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{
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Relation relation;
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HeapScanDesc scan;
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HeapTuple tup;
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ItemPointerData itemPointerData;
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static ScanKeyData key[3] = {
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{ 0, Anum_pg_aggregate_aggname, NameEqualRegProcedure }
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};
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Relation relation;
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HeapScanDesc scan;
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HeapTuple tup;
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ItemPointerData itemPointerData;
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char *userName;
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char *typename;
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Oid basetypeID = InvalidOid;
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bool defined;
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ScanKeyData aggregateKey[3];
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key[0].sk_argument = PointerGetDatum(aggName);
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/*
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* if a basetype is passed in, then attempt to find an aggregate for that
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* specific type.
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*
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* else if the basetype is blank, then attempt to find an aggregate with a
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* basetype of zero. This is valid. It means that the aggregate is to apply
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* to all basetypes. ie, a counter of some sort.
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*
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*/
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if (aggType) {
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basetypeID = TypeGet(aggType, &defined);
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if (!OidIsValid(basetypeID)) {
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elog(WARN, "RemoveAggregate: type '%s' does not exist", aggType);
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}
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} else {
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basetypeID = 0;
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}
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/*
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#ifndef NO_SECURITY
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*/
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userName = GetPgUserName();
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if (!pg_aggr_ownercheck(userName, aggName, basetypeID)) {
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if (aggType) {
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elog(WARN, "RemoveAggregate: aggregate '%s' on type '%s': permission denied",
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aggName, aggType);
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} else {
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elog(WARN, "RemoveAggregate: aggregate '%s': permission denied",
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aggName);
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}
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}
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/*
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#endif
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*/
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ScanKeyEntryInitialize(&aggregateKey[0], 0x0,
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Anum_pg_aggregate_aggname,
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NameEqualRegProcedure,
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PointerGetDatum(aggName));
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ScanKeyEntryInitialize(&aggregateKey[1], 0x0,
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Anum_pg_aggregate_aggbasetype,
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ObjectIdEqualRegProcedure,
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ObjectIdGetDatum(basetypeID));
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fmgr_info(key[0].sk_procedure, &key[0].sk_func, &key[0].sk_nargs);
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relation = heap_openr(AggregateRelationName);
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scan = heap_beginscan(relation, 0, NowTimeQual, 1, key);
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scan = heap_beginscan(relation, 0, NowTimeQual, 2, aggregateKey);
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tup = heap_getnext(scan, 0, (Buffer *) 0);
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if (!HeapTupleIsValid(tup)) {
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heap_endscan(scan);
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heap_close(relation);
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elog(WARN, "RemoveAggregate: aggregate '%s' does not exist",
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aggName);
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heap_endscan(scan);
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heap_close(relation);
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if (aggType) {
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elog(WARN, "RemoveAggregate: aggregate '%s' for '%s' does not exist",
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aggName, aggType);
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} else {
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elog(WARN, "RemoveAggregate: aggregate '%s' for all types does not exist",
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aggName);
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}
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}
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ItemPointerCopy(&tup->t_ctid, &itemPointerData);
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heap_delete(relation, &itemPointerData);
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@ -6,7 +6,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.17 1997/03/02 01:03:00 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.18 1997/05/22 00:14:41 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -1499,3 +1499,19 @@ func_error(char *caller, char *funcname, int nargs, Oid *argtypes)
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elog(WARN, "%s: function %s(%s) does not exist", caller, funcname, p);
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}
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/*
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* Error message when aggregate lookup fails that gives details of the
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* basetype
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*/
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void
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agg_error(char *caller, char *aggname, Oid basetypeID)
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{
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/* basetypeID that is Invalid (zero) means aggregate over all types. (count) */
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if (basetypeID == InvalidOid) {
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elog(WARN, "%s: aggregate '%s' for all types does not exist", caller, aggname);
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} else {
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elog(WARN, "%s: aggregate '%s' for '%s' does not exist", caller, aggname,
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tname(get_id_type(basetypeID)));
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}
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}
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@ -10,7 +10,7 @@
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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 1.32 1997/04/23 06:04:42 vadim Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.33 1997/05/22 00:14:52 scrappy Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@ -104,8 +104,8 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr);
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ExtendStmt, FetchStmt, GrantStmt,
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IndexStmt, MoveStmt, ListenStmt, OptimizableStmt,
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ProcedureStmt, PurgeStmt,
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RecipeStmt, RemoveOperStmt, RemoveFuncStmt, RemoveStmt, RenameStmt,
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RevokeStmt, RuleStmt, TransactionStmt, ViewStmt, LoadStmt,
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RecipeStmt, RemoveAggrStmt, RemoveOperStmt, RemoveFuncStmt, RemoveStmt,
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RenameStmt, RevokeStmt, RuleStmt, TransactionStmt, ViewStmt, LoadStmt,
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CreatedbStmt, DestroydbStmt, VacuumStmt, RetrieveStmt, CursorStmt,
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ReplaceStmt, AppendStmt, NotifyStmt, DeleteStmt, ClusterStmt,
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ExplainStmt, VariableSetStmt, VariableShowStmt, VariableResetStmt
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@ -113,7 +113,7 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr);
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%type <str> relation_name, copy_file_name, copy_delimiter, def_name,
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database_name, access_method_clause, access_method, attr_name,
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class, index_name, name, file_name, recipe_name,
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var_name
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var_name, aggr_argtype
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%type <str> opt_id, opt_portal_name,
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before_clause, after_clause, all_Op, MathOp, opt_name, opt_unique,
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@ -126,7 +126,7 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr);
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%type <list> stmtblock, stmtmulti,
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relation_name_list, OptTableElementList,
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tableElementList, OptInherit, definition,
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opt_with, def_args, def_name_list, func_argtypes,
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opt_with, def_args, def_name_list, func_argtypes
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oper_argtypes, OptStmtList, OptStmtBlock, OptStmtMulti,
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opt_column_list, columnList, opt_va_list, va_list,
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sort_clause, sortby_list, index_params, index_list,
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@ -262,6 +262,7 @@ stmt : AddAttrStmt
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| ProcedureStmt
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| PurgeStmt
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| RecipeStmt
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| RemoveAggrStmt
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| RemoveOperStmt
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| RemoveFuncStmt
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| RemoveStmt
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@ -921,6 +922,8 @@ after_clause: AFTER date { $$ = $2; }
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*
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* remove function <funcname>
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* (REMOVE FUNCTION "funcname" (arg1, arg2, ...))
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* remove aggregate <aggname>
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* (REMOVE AGGREGATE "aggname" "aggtype")
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* remove operator <opname>
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* (REMOVE OPERATOR "opname" (leftoperand_typ rightoperand_typ))
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* remove type <typename>
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}
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;
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remove_type: AGGREGATE { $$ = AGGREGATE; }
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| Type { $$ = P_TYPE; }
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| INDEX { $$ = INDEX; }
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| RULE { $$ = RULE; }
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| VIEW { $$ = VIEW; }
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remove_type: Type { $$ = P_TYPE; }
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| INDEX { $$ = INDEX; }
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| RULE { $$ = RULE; }
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| VIEW { $$ = VIEW; }
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;
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RemoveAggrStmt: DROP AGGREGATE name aggr_argtype
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{
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RemoveAggrStmt *n = makeNode(RemoveAggrStmt);
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n->aggname = $3;
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n->aggtype = $4;
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$$ = (Node *)n;
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}
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;
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aggr_argtype: name { $$ = $1; }
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| '*' { $$ = NULL; }
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;
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RemoveFuncStmt: DROP FUNCTION name '(' func_argtypes ')'
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{
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RemoveFuncStmt *n = makeNode(RemoveFuncStmt);
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/tcop/Attic/aclchk.c,v 1.9 1997/04/03 21:31:47 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/backend/tcop/Attic/aclchk.c,v 1.10 1997/05/22 00:15:21 scrappy Exp $
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*
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* NOTES
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* See acl.h.
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#include "catalog/catname.h"
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#include "catalog/pg_group.h"
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#include "catalog/pg_operator.h"
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#include "catalog/pg_aggregate.h"
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#include "catalog/pg_proc.h"
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#include "catalog/pg_user.h"
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#include "utils/syscache.h"
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return(user_id == owner_id);
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}
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int32
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pg_aggr_ownercheck(char *usename,
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char *aggname,
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Oid basetypeID)
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{
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HeapTuple htp;
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AclId user_id, owner_id;
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htp = SearchSysCacheTuple(USENAME, PointerGetDatum(usename),
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0,0,0);
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if (!HeapTupleIsValid(htp))
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elog(WARN, "pg_aggr_ownercheck: user \"%-.*s\" not found",
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NAMEDATALEN, usename);
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user_id = (AclId) ((Form_pg_user) GETSTRUCT(htp))->usesysid;
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/*
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* Superusers bypass all permission-checking.
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*/
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if (((Form_pg_user) GETSTRUCT(htp))->usesuper) {
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#ifdef ACLDEBUG_TRACE
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elog(DEBUG, "pg_aggr_ownercheck: user \"%-.*s\" is superuser",
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NAMEDATALEN, usename);
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#endif
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return(1);
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}
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htp = SearchSysCacheTuple(AGGNAME,
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PointerGetDatum(aggname),
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PointerGetDatum(basetypeID),
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0,
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0);
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if (!HeapTupleIsValid(htp))
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agg_error("pg_aggr_ownercheck", aggname, basetypeID);
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owner_id = ((Form_pg_aggregate) GETSTRUCT(htp))->aggowner;
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return(user_id == owner_id);
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}
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.16 1997/04/23 06:09:33 vadim Exp $
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* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.17 1997/05/22 00:15:36 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -440,9 +440,6 @@ ProcessUtility(Node *parsetree,
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CHECK_IF_ABORTED();
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switch(stmt->removeType) {
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case AGGREGATE:
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RemoveAggregate(stmt->name);
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break;
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case INDEX:
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relname = stmt->name;
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if (IsSystemRelationName(relname))
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@ -496,6 +493,16 @@ ProcessUtility(Node *parsetree,
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break;
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}
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break;
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case T_RemoveAggrStmt:
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{
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RemoveAggrStmt *stmt = (RemoveAggrStmt *)parsetree;
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commandTag = "DROP";
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CHECK_IF_ABORTED();
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RemoveAggregate(stmt->aggname, stmt->aggtype);
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}
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break;
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case T_RemoveFuncStmt:
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{
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RemoveFuncStmt *stmt = (RemoveFuncStmt *)parsetree;
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: defrem.h,v 1.6 1996/11/13 20:51:18 scrappy Exp $
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* $Id: defrem.h,v 1.7 1997/05/22 00:15:47 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -48,6 +48,6 @@ extern void RemoveFunction(char *functionName, int nargs, List *argNameList);
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extern void RemoveOperator(char *operatorName,
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char *typeName1, char *typeName2);
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extern void RemoveType(char *typeName);
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extern void RemoveAggregate(char *aggName);
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extern void RemoveAggregate(char *aggName, char *aggType);
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#endif /* DEFREM_H */
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: nodes.h,v 1.8 1997/04/23 03:17:29 scrappy Exp $
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* $Id: nodes.h,v 1.9 1997/05/22 00:15:58 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -164,6 +164,7 @@ typedef enum NodeTag {
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T_ProcedureStmt,
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T_PurgeStmt,
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T_RecipeStmt,
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T_RemoveAggrStmt,
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T_RemoveFuncStmt,
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T_RemoveOperStmt,
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T_RemoveStmt,
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: parsenodes.h,v 1.15 1997/04/29 04:28:59 vadim Exp $
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* $Id: parsenodes.h,v 1.16 1997/05/22 00:16:13 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -271,6 +271,16 @@ typedef struct PurgeStmt {
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char *afterDate; /* purge after this date */
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} PurgeStmt;
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/* ----------------------
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* Drop Aggregate Statement
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* ----------------------
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*/
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typedef struct RemoveAggrStmt {
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NodeTag type;
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char *aggname; /* aggregate to drop */
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char *aggtype; /* for this type */
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} RemoveAggrStmt;
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/* ----------------------
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* Drop Function Statement
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* ----------------------
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@ -292,12 +302,12 @@ typedef struct RemoveOperStmt {
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} RemoveOperStmt;
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/* ----------------------
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* Drop {Aggregate|Type|Index|Rule|View} Statement
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* Drop {Type|Index|Rule|View} Statement
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* ----------------------
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*/
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typedef struct RemoveStmt {
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NodeTag type;
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int removeType; /* AGGREGATE|P_TYPE|INDEX|RULE|VIEW */
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int removeType; /* P_TYPE|INDEX|RULE|VIEW */
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char *name; /* name to drop */
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} RemoveStmt;
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: catalog_utils.h,v 1.8 1997/02/07 16:24:12 momjian Exp $
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* $Id: catalog_utils.h,v 1.9 1997/05/22 00:16:28 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -53,5 +53,6 @@ extern Oid get_typelem(Oid type_id);
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extern char FindDelimiter(char *typename);
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extern void op_error(char *op, Oid arg1, Oid arg2);
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extern void func_error(char *caller, char *funcname, int nargs, Oid *argtypes);
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extern void agg_error(char *caller, char *aggname, Oid basetypeID);
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#endif /* CATALOG_UTILS_H */
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|
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: acl.h,v 1.5 1997/03/12 20:48:48 scrappy Exp $
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* $Id: acl.h,v 1.6 1997/05/22 00:16:41 scrappy Exp $
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*
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* NOTES
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* For backward-compatability purposes we have to allow there
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|
@ -161,6 +161,8 @@ extern int32 pg_aclcheck(char *relname, char *usename, AclMode mode);
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extern int32 pg_ownercheck(char *usename, char *value, int cacheid);
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extern int32 pg_func_ownercheck(char *usename, char *funcname,
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int nargs, Oid *arglist);
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extern int32 pg_aggr_ownercheck(char *usename, char *aggname,
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Oid basetypeID);
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#endif /* ACL_H */
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@ -1,12 +1,12 @@
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.\" This is -*-nroff-*-
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.\" XXX standard disclaimer belongs here....
|
||||
.\" $Header: /cvsroot/pgsql/src/man/Attic/drop_aggregate.l,v 1.2 1996/12/11 00:27:38 momjian Exp $
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.\" $Header: /cvsroot/pgsql/src/man/Attic/drop_aggregate.l,v 1.3 1997/05/22 00:16:56 scrappy Exp $
|
||||
.TH "DROP AGGREGATE" SQL 11/05/95 PostgreSQL PostgreSQL
|
||||
.SH NAME
|
||||
drop aggregate \(em remove the definition of an aggregate
|
||||
.SH SYNOPSIS
|
||||
.nf
|
||||
\fBdrop aggregate\fR aggname
|
||||
\fBdrop aggregate\fR aggname aggtype
|
||||
.fi
|
||||
.SH DESCRIPTION
|
||||
.BR "drop aggregate"
|
||||
|
@ -16,9 +16,9 @@ aggregate.
|
|||
.SH EXAMPLE
|
||||
.nf
|
||||
--
|
||||
--Remove the average aggregate
|
||||
--Remove the average aggregate for type int4
|
||||
--
|
||||
drop aggregate avg
|
||||
drop aggregate avg int4
|
||||
.fi
|
||||
.SH "SEE ALSO"
|
||||
create aggregate(l).
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
--
|
||||
-- destroy.source
|
||||
--
|
||||
-- $Header: /cvsroot/pgsql/src/test/regress/sql/Attic/destroy.sql,v 1.2 1997/04/27 04:35:31 scrappy Exp $
|
||||
-- $Header: /cvsroot/pgsql/src/test/regress/sql/Attic/destroy.sql,v 1.3 1997/05/22 00:17:15 scrappy Exp $
|
||||
--
|
||||
|
||||
--
|
||||
|
@ -74,11 +74,11 @@ DROP TYPE widget;
|
|||
--
|
||||
-- AGGREGATE REMOVAL
|
||||
--
|
||||
DROP AGGREGATE newavg;
|
||||
DROP AGGREGATE newavg int4;
|
||||
|
||||
DROP AGGREGATE newsum;
|
||||
DROP AGGREGATE newsum int4;
|
||||
|
||||
DROP AGGREGATE newcnt;
|
||||
DROP AGGREGATE newcnt int4;
|
||||
|
||||
|
||||
--
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
--
|
||||
-- errors.source
|
||||
--
|
||||
-- $Header: /cvsroot/pgsql/src/test/regress/sql/errors.sql,v 1.1 1997/04/27 03:56:21 scrappy Exp $
|
||||
-- $Header: /cvsroot/pgsql/src/test/regress/sql/errors.sql,v 1.2 1997/05/22 00:17:24 scrappy Exp $
|
||||
|
||||
|
||||
-- bad in postquel, but ok in postsql
|
||||
|
@ -182,6 +182,15 @@ drop aggregate 314159;
|
|||
-- no such aggregate
|
||||
drop aggregate nonesuch;
|
||||
|
||||
-- missing aggregate type
|
||||
drop aggregate newcnt1;
|
||||
|
||||
-- bad aggregate type
|
||||
drop aggregate newcnt nonesuch;
|
||||
|
||||
-- no such aggregate for type
|
||||
drop aggregate newcnt float4;
|
||||
|
||||
|
||||
--
|
||||
-- REMOVE FUNCTION
|
||||
|
|
Loading…
Reference in New Issue