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Change CREATE DATABASE to use DefElem instead of constructing structure

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members in gram.y.  This is the prefered method for WITH and arbitrary
param/value pairs.
ecpg_big_bison
Bruce Momjian 24 years ago
parent 3d564953cd
commit 71fd49e28d
7 changed files with 96 additions and 73 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 59
      src/backend/commands/dbcommands.c
  2. 10
      src/backend/nodes/copyfuncs.c
  3. 10
      src/backend/nodes/equalfuncs.c
  4. 70
      src/backend/parser/gram.y
  5. 7
      src/backend/tcop/utility.c
  6. 6
      src/include/commands/dbcommands.h
  7. 7
      src/include/nodes/parsenodes.h

59
src/backend/commands/dbcommands.c
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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;
/* ----------------------

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