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Clean up CREATE TYPE/OPERATOR/AGGREGATE productions, so that parser 

will not accept types named with operator names or vice versa.
This commit is contained in:
Tom Lane 2000-12-22 07:07:58 +00:00
parent 4ce226eeb7
commit 317215fc55
1 changed files with 27 additions and 28 deletions
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55
src/backend/parser/gram.y
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@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.211 2000/12/03 14:50:54 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.212 2000/12/22 07:07:58 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -161,7 +161,7 @@ static void doNegateFloat(Value *v);
%type <str> TriggerEvents
%type <value> TriggerFuncArg
%type <str> relation_name, copy_file_name, copy_delimiter, copy_null, def_name,
%type <str> relation_name, copy_file_name, copy_delimiter, copy_null,
database_name, access_method_clause, access_method, attr_name,
class, index_name, name, func_name, file_name
@ -206,7 +206,7 @@ static void doNegateFloat(Value *v);
opt_with_copy, index_opt_unique, opt_verbose, opt_analyze
%type <boolean> opt_cursor
%type <ival> copy_dirn, def_type, direction, reindex_type, drop_type,
%type <ival> copy_dirn, direction, reindex_type, drop_type,
opt_column, event, comment_type, comment_cl,
comment_ag, comment_fn, comment_op, comment_tg
@ -1635,7 +1635,7 @@ IntegerOnly: Iconst
*****************************************************************************/
CreatePLangStmt: CREATE PLangTrusted opt_procedural LANGUAGE Sconst
HANDLER def_name LANCOMPILER Sconst
HANDLER func_name LANCOMPILER Sconst
{
CreatePLangStmt *n = makeNode(CreatePLangStmt);
n->plname = $5;
@ -1854,29 +1854,34 @@ DropTrigStmt: DROP TRIGGER name ON relation_name
/*****************************************************************************
*
* QUERY :
* define (type,operator,aggregate)
* define (aggregate,operator,type)
*
*****************************************************************************/
DefineStmt: CREATE def_type def_name definition
DefineStmt: CREATE AGGREGATE func_name definition
{
DefineStmt *n = makeNode(DefineStmt);
n->defType = $2;
n->defType = AGGREGATE;
n->defname = $3;
n->definition = $4;
$$ = (Node *)n;
}
| CREATE OPERATOR all_Op definition
{
DefineStmt *n = makeNode(DefineStmt);
n->defType = OPERATOR;
n->defname = $3;
n->definition = $4;
$$ = (Node *)n;
}
| CREATE TYPE_P name definition
{
DefineStmt *n = makeNode(DefineStmt);
n->defType = TYPE_P;
n->defname = $3;
n->definition = $4;
$$ = (Node *)n;
}
;
def_type: OPERATOR { $$ = OPERATOR; }
| TYPE_P { $$ = TYPE_P; }
| AGGREGATE { $$ = AGGREGATE; }
;
def_name: PROCEDURE { $$ = "procedure"; }
| JOIN { $$ = "join"; }
| all_Op { $$ = $1; }
| ColId { $$ = $1; }
;
definition: '(' def_list ')' { $$ = $2; }
@ -1886,24 +1891,18 @@ def_list: def_elem { $$ = makeList1($1); }
| def_list ',' def_elem { $$ = lappend($1, $3); }
;
def_elem: def_name '=' def_arg
def_elem: ColLabel '=' def_arg
{
$$ = makeNode(DefElem);
$$->defname = $1;
$$->arg = (Node *)$3;
}
| def_name
| ColLabel
{
$$ = makeNode(DefElem);
$$->defname = $1;
$$->arg = (Node *)NULL;
}
| DEFAULT '=' def_arg
{
$$ = makeNode(DefElem);
$$->defname = "default";
$$->arg = (Node *)$3;
}
;
def_arg: func_return { $$ = (Node *)$1; }
@ -2538,7 +2537,7 @@ RemoveFuncStmt: DROP FUNCTION func_name func_args
}
;
RemoveAggrStmt: DROP AGGREGATE name aggr_argtype
RemoveAggrStmt: DROP AGGREGATE func_name aggr_argtype
{
RemoveAggrStmt *n = makeNode(RemoveAggrStmt);
n->aggname = $3;
@ -5498,6 +5497,7 @@ TokenId: ABSOLUTE { $$ = "absolute"; }
| PRIOR { $$ = "prior"; }
| PRIVILEGES { $$ = "privileges"; }
| PROCEDURAL { $$ = "procedural"; }
| PROCEDURE { $$ = "procedure"; }
| READ { $$ = "read"; }
| REINDEX { $$ = "reindex"; }
| RELATIVE { $$ = "relative"; }
@ -5644,7 +5644,6 @@ ColLabel: ColId { $$ = $1; }
| POSITION { $$ = "position"; }
| PRECISION { $$ = "precision"; }
| PRIMARY { $$ = "primary"; }
| PROCEDURE { $$ = "procedure"; }
| PUBLIC { $$ = "public"; }
| REFERENCES { $$ = "references"; }
| RESET { $$ = "reset"; }