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Add DOMAIN support. Includes manual pages and regression tests, from

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Rod Taylor.
This commit is contained in:
Bruce Momjian
2002-03-19 02:18:25 +00:00
parent 525b19399c
commit d3788c3305
36 changed files with 1805 additions and 286 deletions
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81
src/backend/parser/gram.y
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.291 2002/03/10 06:02:23 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.292 2002/03/19 02:18:18 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -98,7 +98,6 @@ static void doNegateFloat(Value *v);
%}
%union
{
int ival;
@@ -134,9 +133,10 @@ static void doNegateFloat(Value *v);
AlterDatabaseSetStmt, AlterGroupStmt, AlterSchemaStmt, AlterTableStmt,
AlterUserStmt, AlterUserSetStmt, AnalyzeStmt,
ClosePortalStmt, ClusterStmt, CommentStmt, ConstraintsSetStmt,
CopyStmt, CreateAsStmt, CreateGroupStmt, CreatePLangStmt,
CopyStmt, CreateAsStmt, CreateDomainStmt, CreateGroupStmt, CreatePLangStmt,
CreateSchemaStmt, CreateSeqStmt, CreateStmt, CreateTrigStmt,
CreateUserStmt, CreatedbStmt, CursorStmt, DefineStmt, DeleteStmt,
CreateUserStmt, CreatedbStmt, CursorStmt,
DefineStmt, DeleteStmt,
DropGroupStmt, DropPLangStmt, DropSchemaStmt, DropStmt, DropTrigStmt,
DropUserStmt, DropdbStmt, ExplainStmt, FetchStmt,
GrantStmt, IndexStmt, InsertStmt, ListenStmt, LoadStmt, LockStmt,
@@ -289,6 +289,8 @@ static void doNegateFloat(Value *v);
%type <list> constraints_set_list
%type <boolean> constraints_set_mode
%type <boolean> opt_as
/*
* If you make any token changes, remember to:
* - use "yacc -d" and update parse.h
@@ -343,7 +345,7 @@ static void doNegateFloat(Value *v);
WITHOUT
/* Keywords (in SQL92 non-reserved words) */
%token COMMITTED, SERIALIZABLE, TYPE_P
%token COMMITTED, SERIALIZABLE, TYPE_P, DOMAIN_P
/* Keywords for Postgres support (not in SQL92 reserved words)
*
@@ -446,6 +448,7 @@ stmt : AlterDatabaseSetStmt
| CopyStmt
| CreateStmt
| CreateAsStmt
| CreateDomainStmt
| CreateSchemaStmt
| CreateGroupStmt
| CreateSeqStmt
@@ -776,8 +779,11 @@ DropSchemaStmt: DROP SCHEMA UserId
n->dbname = $3;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Set PG internal variable
@@ -1439,7 +1445,10 @@ ColConstraintElem:
n->name = NULL;
if (exprIsNullConstant($2))
{
/* DEFAULT NULL should be reported as empty expr */
/*
* DEFAULT NULL should be reported as empty expr
* Required for NOT NULL Domain overrides
*/
n->raw_expr = NULL;
}
else
@@ -2021,13 +2030,22 @@ def_list: def_elem { $$ = makeList1($1); }
| def_list ',' def_elem { $$ = lappend($1, $3); }
;
def_elem: ColLabel '=' def_arg
def_elem: DEFAULT '=' b_expr
{
$$ = makeNode(DefElem);
$$->defname = "default";
if (exprIsNullConstant($3))
$$->arg = (Node *)NULL;
else
$$->arg = $3;
}
| ColId '=' def_arg
{
$$ = makeNode(DefElem);
$$->defname = $1;
$$->arg = (Node *)$3;
}
| ColLabel
| ColId
{
$$ = makeNode(DefElem);
$$->defname = $1;
@@ -2056,6 +2074,15 @@ DropStmt: DROP drop_type name_list
DropStmt *n = makeNode(DropStmt);
n->removeType = $2;
n->names = $3;
n->behavior = RESTRICT; /* Restricted by default */
$$ = (Node *)n;
}
| DROP DOMAIN_P name_list drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = DROP_DOMAIN_P;
n->names = $3;
n->behavior = $4;
$$ = (Node *)n;
}
;
@@ -2088,7 +2115,7 @@ TruncateStmt: TRUNCATE opt_table relation_name
* The COMMENT ON statement can take different forms based upon the type of
* the object associated with the comment. The form of the statement is:
*
* COMMENT ON [ [ DATABASE | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ]
* COMMENT ON [ [ DATABASE | DOMAIN | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ]
* <objname> | AGGREGATE <aggname> (<aggtype>) | FUNCTION
* <funcname> (arg1, arg2, ...) | OPERATOR <op>
* (leftoperand_typ rightoperand_typ) | TRIGGER <triggername> ON
@@ -2174,6 +2201,7 @@ comment_type: DATABASE { $$ = DATABASE; }
| RULE { $$ = RULE; }
| SEQUENCE { $$ = SEQUENCE; }
| TABLE { $$ = TABLE; }
| DOMAIN_P { $$ = TYPE_P; }
| TYPE_P { $$ = TYPE_P; }
| VIEW { $$ = VIEW; }
;
@@ -3156,6 +3184,22 @@ createdb_opt_item: LOCATION opt_equal Sconst
{
$$ = lconsi(3, makeListi1(-1));
}
;
/*****************************************************************************
*
* DROP DATABASE
*
*
*****************************************************************************/
DropdbStmt: DROP DATABASE database_name
{
DropdbStmt *n = makeNode(DropdbStmt);
n->dbname = $3;
$$ = (Node *)n;
}
| OWNER opt_equal name
{
$$ = lconsi(4, makeList1($3));
@@ -3200,22 +3244,30 @@ AlterDatabaseSetStmt: ALTER DATABASE database_name VariableSetStmt
}
;
/*****************************************************************************
*
* DROP DATABASE
* Manipulate a domain
*
*
*****************************************************************************/
DropdbStmt: DROP DATABASE database_name
CreateDomainStmt: CREATE DOMAIN_P name opt_as Typename ColQualList opt_collate
{
DropdbStmt *n = makeNode(DropdbStmt);
n->dbname = $3;
CreateDomainStmt *n = makeNode(CreateDomainStmt);
n->domainname = $3;
n->typename = $5;
n->constraints = $6;
if ($7 != NULL)
elog(NOTICE,"CREATE DOMAIN / COLLATE %s not yet "
"implemented; clause ignored", $7);
$$ = (Node *)n;
}
;
opt_as: AS {$$ = TRUE; }
| /* EMPTY */ {$$ = FALSE; }
;
/*****************************************************************************
*
@@ -5857,6 +5909,7 @@ unreserved_keyword:
| DEFERRED { $$ = "deferred"; }
| DELETE { $$ = "delete"; }
| DELIMITERS { $$ = "delimiters"; }
| DOMAIN_P { $$ = "domain"; }
| DOUBLE { $$ = "double"; }
| DROP { $$ = "drop"; }
| EACH { $$ = "each"; }

3
src/backend/parser/keywords.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.103 2002/03/07 16:35:35 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.104 2002/03/19 02:18:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -97,6 +97,7 @@ static ScanKeyword ScanKeywords[] = {
{"desc", DESC},
{"distinct", DISTINCT},
{"do", DO},
{"domain", DOMAIN_P},
{"double", DOUBLE},
{"drop", DROP},
{"each", EACH},

31
src/backend/parser/parse_coerce.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.66 2002/03/07 16:35:35 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.67 2002/03/19 02:18:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -605,3 +605,32 @@ PreferredType(CATEGORY category, Oid type)
}
return result;
} /* PreferredType() */
/*
* If the targetTypeId is a domain, we really want to coerce
* the tuple to the domain type -- not the domain itself
*/
Oid
getBaseType(Oid inType)
{
HeapTuple tup;
Form_pg_type typTup;
tup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(inType),
0, 0, 0);
typTup = ((Form_pg_type) GETSTRUCT(tup));
/*
* Assume that typbasetype exists and is a base type, where inType
* was a domain
*/
if (typTup->typtype == 'd')
inType = typTup->typbasetype;
ReleaseSysCache(tup);
return inType;
}

7
src/backend/parser/parse_expr.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.108 2002/03/12 00:51:54 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.109 2002/03/19 02:18:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1027,7 +1027,8 @@ parser_typecast_expression(ParseState *pstate,
if (inputType != targetType)
{
expr = CoerceTargetExpr(pstate, expr, inputType,
targetType, typename->typmod);
getBaseType(targetType),
typename->typmod);
if (expr == NULL)
elog(ERROR, "Cannot cast type '%s' to '%s'",
format_type_be(inputType),
@@ -1039,7 +1040,7 @@ parser_typecast_expression(ParseState *pstate,
* as well as a type coercion.
*/
expr = coerce_type_typmod(pstate, expr,
targetType, typename->typmod);
getBaseType(targetType), typename->typmod);
return expr;
}