mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Change CREATE DATABASE to use DefElem instead of constructing structure

Browse Source 
members in gram.y.  This is the prefered method for WITH and arbitrary
param/value pairs.
This commit is contained in:
Bruce Momjian 2002-06-18 17:27:58 +00:00
parent 3d564953cd
commit 71fd49e28d
7 changed files with 96 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
src/backend/commands/dbcommands.c
View File

@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.92 2002/05/25 16:30:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.93 2002/06/18 17:27:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -58,9 +58,7 @@ static bool remove_dbdirs(const char *real_loc, const char *altloc);
*/
void
createdb(const char *dbname, const char *dbowner,
const char *dbpath, const char *dbtemplate,
int encoding)
createdb(CreatedbStmt *stmt)
{
char *nominal_loc;
char *alt_loc;
@ -82,6 +80,59 @@ createdb(const char *dbname, const char *dbowner,
char new_record_nulls[Natts_pg_database];
Oid dboid;
int32 datdba;
List *option;
DefElem *downer = NULL;
DefElem *dpath = NULL;
DefElem *dtemplate = NULL;
DefElem *dencoding = NULL;
char *dbname = stmt->dbname;
char *dbowner = NULL;
char *dbpath = NULL;
char *dbtemplate = NULL;
int encoding = -1;
/* Extract options from the statement node tree */
foreach(option, stmt->options)
{
DefElem *defel = (DefElem *) lfirst(option);
if (strcmp(defel->defname, "owner") == 0)
{
if (downer)
elog(ERROR, "CREATE DATABASE: conflicting options");
downer = defel;
}
else if (strcmp(defel->defname, "location") == 0)
{
if (dpath)
elog(ERROR, "CREATE DATABASE: conflicting options");
dpath = defel;
}
else if (strcmp(defel->defname, "template") == 0)
{
if (dtemplate)
elog(ERROR, "CREATE DATABASE: conflicting options");
dtemplate = defel;
}
else if (strcmp(defel->defname, "encoding") == 0)
{
if (dencoding)
elog(ERROR, "CREATE DATABASE: conflicting options");
dencoding = defel;
}
else
elog(ERROR, "CREATE DATABASE: option \"%s\" not recognized",
defel->defname);
}
if (downer)
dbowner = strVal(downer->arg);
if (dpath)
dbpath = strVal(dpath->arg);
if (dtemplate)
dbtemplate = strVal(dtemplate->arg);
if (dencoding)
encoding = intVal(dencoding->arg);
/* obtain sysid of proposed owner */
if (dbowner)

10
src/backend/nodes/copyfuncs.c
View File

@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.188 2002/05/22 17:20:58 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.189 2002/06/18 17:27:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -2258,13 +2258,7 @@ _copyCreatedbStmt(CreatedbStmt *from)
if (from->dbname)
newnode->dbname = pstrdup(from->dbname);
if (from->dbowner)
newnode->dbowner = pstrdup(from->dbowner);
if (from->dbpath)
newnode->dbpath = pstrdup(from->dbpath);
if (from->dbtemplate)
newnode->dbtemplate = pstrdup(from->dbtemplate);
newnode->encoding = from->encoding;
Node_Copy(from, newnode, options);
return newnode;
}

10
src/backend/nodes/equalfuncs.c
View File

@ -20,7 +20,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.135 2002/05/22 17:20:59 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.136 2002/06/18 17:27:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1085,13 +1085,7 @@ _equalCreatedbStmt(CreatedbStmt *a, CreatedbStmt *b)
{
if (!equalstr(a->dbname, b->dbname))
return false;
if (!equalstr(a->dbowner, b->dbowner))
return false;
if (!equalstr(a->dbpath, b->dbpath))
return false;
if (!equalstr(a->dbtemplate, b->dbtemplate))
return false;
if (a->encoding != b->encoding)
if (!equal(a->options, b->options))
return false;
return true;

70
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.328 2002/06/18 00:28:11 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.329 2002/06/18 17:27:57 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -154,7 +154,8 @@ static void doNegateFloat(Value *v);
%type <node> alter_column_default
%type <ival> add_drop, drop_behavior, opt_drop_behavior
%type <list> createdb_opt_list, createdb_opt_item
%type <list> createdb_opt_list
%type <defelt> createdb_opt_item
%type <boolean> opt_equal
%type <ival> opt_lock, lock_type
@ -3351,35 +3352,8 @@ CreatedbStmt:
CREATE DATABASE database_name opt_with createdb_opt_list
{
CreatedbStmt *n = makeNode(CreatedbStmt);
List *l;
n->dbname = $3;
/* set default options */
n->dbowner = NULL;
n->dbpath = NULL;
n->dbtemplate = NULL;
n->encoding = -1;
/* process additional options */
foreach(l, $5)
{
List *optitem = (List *) lfirst(l);
switch (lfirsti(optitem))
{
case 1:
n->dbpath = (char *) lsecond(optitem);
break;
case 2:
n->dbtemplate = (char *) lsecond(optitem);
break;
case 3:
n->encoding = lfirsti(lnext(optitem));
break;
case 4:
n->dbowner = (char *) lsecond(optitem);
break;
}
}
n->options = $5;
$$ = (Node *)n;
}
;
@ -3396,19 +3370,27 @@ createdb_opt_list:
createdb_opt_item:
LOCATION opt_equal Sconst
{
$$ = lconsi(1, makeList1($3));
$$ = makeNode(DefElem);
$$->defname = "location";
$$->arg = (Node *)makeString($3);
}
| LOCATION opt_equal DEFAULT
{
$$ = lconsi(1, makeList1(NULL));
$$ = makeNode(DefElem);
$$->defname = "location";
$$->arg = NULL;
}
| TEMPLATE opt_equal name
{
$$ = lconsi(2, makeList1($3));
$$ = makeNode(DefElem);
$$->defname = "template";
$$->arg = (Node *)makeString($3);
}
| TEMPLATE opt_equal DEFAULT
{
$$ = lconsi(2, makeList1(NULL));
$$ = makeNode(DefElem);
$$->defname = "template";
$$->arg = NULL;
}
| ENCODING opt_equal Sconst
{
@ -3422,7 +3404,9 @@ createdb_opt_item:
elog(ERROR, "Multi-byte support is not enabled");
encoding = GetStandardEncoding();
#endif
$$ = lconsi(3, makeListi1(encoding));
$$ = makeNode(DefElem);
$$->defname = "encoding";
$$->arg = (Node *)makeInteger(encoding);
}
| ENCODING opt_equal Iconst
{
@ -3433,19 +3417,27 @@ createdb_opt_item:
if ($3 != GetStandardEncoding())
elog(ERROR, "Multi-byte support is not enabled");
#endif
$$ = lconsi(3, makeListi1($3));
$$ = makeNode(DefElem);
$$->defname = "encoding";
$$->arg = (Node *)makeInteger($3);
}
| ENCODING opt_equal DEFAULT
{
$$ = lconsi(3, makeListi1(-1));
$$ = makeNode(DefElem);
$$->defname = "encoding";
$$->arg = (Node *)makeInteger(-1);
}
| OWNER opt_equal name
{
$$ = lconsi(4, makeList1($3));
$$ = makeNode(DefElem);
$$->defname = "owner";
$$->arg = (Node *)makeString($3);
}
| OWNER opt_equal DEFAULT
{
$$ = lconsi(4, makeList1(NULL));
$$ = makeNode(DefElem);
$$->defname = "owner";
$$->arg = NULL;
}
;

7
src/backend/tcop/utility.c
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.156 2002/05/21 22:18:08 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.157 2002/06/18 17:27:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -630,10 +630,7 @@ ProcessUtility(Node *parsetree,
case T_CreatedbStmt:
{
CreatedbStmt *stmt = (CreatedbStmt *) parsetree;
createdb(stmt->dbname, stmt->dbowner,
stmt->dbpath, stmt->dbtemplate,
stmt->encoding);
createdb(stmt);
}
break;

6
src/include/commands/dbcommands.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: dbcommands.h,v 1.21 2002/03/01 22:45:17 petere Exp $
* $Id: dbcommands.h,v 1.22 2002/06/18 17:27:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,9 +16,7 @@
#include <nodes/parsenodes.h>
extern void createdb(const char *dbname, const char *dbowner,
const char *dbpath, const char *dbtemplate,
int encoding);
extern void createdb(CreatedbStmt *stmt);
extern void dropdb(const char *dbname);
extern void AlterDatabaseSet(AlterDatabaseSetStmt *stmt);

7
src/include/nodes/parsenodes.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parsenodes.h,v 1.179 2002/05/22 17:21:01 petere Exp $
* $Id: parsenodes.h,v 1.180 2002/06/18 17:27:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1350,10 +1350,7 @@ typedef struct CreatedbStmt
{
NodeTag type;
char *dbname; /* name of database to create */
char *dbowner; /* name of owner (NULL = default) */
char *dbpath; /* location of database (NULL = default) */
char *dbtemplate; /* template to use (NULL = default) */
int encoding; /* MULTIBYTE encoding (-1 = use default) */
List *options; /* List of DefElem nodes */
} CreatedbStmt;
/* ----------------------