Table, column, type, function, and view names are stored in system
tables in columns of type Name. Name is a fixed-length,
null-terminated type of NAMEDATALEN bytes. (The default value for
- NAMEDATALEN is 32 bytes.)
+ NAMEDATALEN is 64 bytes.)
typedef struct nameData
{
char data[NAMEDATALEN];
PostgreSQL. The
name type
exists only for storage of internal catalog
names and is not intended for use by the general user. Its length
- is currently defined as 32 bytes (31 usable characters plus terminator)
+ is currently defined as 64 bytes (63 usable characters plus terminator)
but should be referenced using the macro
NAMEDATALEN. The length is set at compile time
(and is therefore adjustable for special uses); the default
|
name
- 32 bytes
- Thirty-one character internal type
+ 64 bytes
+ Sixty-three character internal type
-
+
Indexes
Currently, only the B-tree and GiST implementations support multicolumn
- indexes. Up to 16 columns may be specified. (This limit can be
+ indexes. Up to 32 columns may be specified. (This limit can be
altered when building
PostgreSQL; see the
file pg_config.h.)
You automatically become the
database administrator of the database you just created.
Database names must have an alphabetic first
- character and are limited to 31 characters in length.
+ character and are limited to 63 characters in length.
PostgreSQL allows you to create any number of
databases at a given site.
Currently, only the B-tree and gist access methods support multicolumn
- indexes. Up to 16 keys may be specified by default (this limit
+ indexes. Up to 32 keys may be specified by default (this limit
can be altered when building
PostgreSQL). Only B-tree currently supports
unique indexes.
Notes
- Data type "name" is a non-standard 31-character type for storing
+ Data type "name" is a non-standard 63-character type for storing
system identifiers.
it need not correspond to the name of any actual table. If
notifyname
is enclosed in double-quotes, it need not even be a syntactically
- valid name, but can be any string up to 31 characters long.
+ valid name, but can be any string up to 63 characters long.
In some previous releases of
it need not correspond to the name of any actual table. If
name
is enclosed in double-quotes, it need not even be a syntactically
- valid name, but can be any string up to 31 characters long.
+ valid name, but can be any string up to 63 characters long.
In some previous releases of
notifyname
need not be a valid class name but can be any string valid
- as a name up to 32 characters long.
+ as a name up to 64 characters long.
The backend does not complain if you UNLISTEN something you were not
You can also create databases with other names.
PostgreSQL allows you to create any
number of databases at a given site. Database names must have an
- alphabetic first character and are limited to 31 characters in
+ alphabetic first character and are limited to 63 characters in
length. A convenient choice is to create a database with the same
name as your current user name. Many tools assume that database
name as the default, so it can save you some typing. To create
The system uses no more than NAMEDATALEN-1
characters of an identifier; longer names can be written in
commands, but they will be truncated. By default,
- NAMEDATALEN is 32 so the maximum identifier length
- is 31 (but at the time the system is built,
+ NAMEDATALEN is 64 so the maximum identifier length
+ is 63 (but at the time the system is built,
NAMEDATALEN can be changed in
src/include/postgres_ext.h).
*
* Copyright 2000-2002 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.75 2002/08/10 03:56:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.76 2002/08/13 20:40:44 momjian Exp $
*/
#include "postgres_fe.h"
#include "command.h"
sys = malloc(strlen(editorName) + strlen(fname) + 32 + 1);
if (!sys)
return false;
- sprintf(sys, "exec %s %s", editorName, fname);
+ snprintf(sys, 32, "exec %s %s", editorName, fname);
result = system(sys);
if (result == -1)
psql_error("could not start editor %s\n", editorName);
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: catversion.h,v 1.147 2002/08/09 16:45:14 tgl Exp $
+ * $Id: catversion.h,v 1.148 2002/08/13 20:40:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 200208091
+#define CATALOG_VERSION_NO 200208131
#endif
* or in pg_config.h afterwards. Of course, if you edit pg_config.h, then your
* changes will be overwritten the next time you run configure.
*
- * $Id: pg_config.h.in,v 1.26 2002/07/31 17:19:54 tgl Exp $
+ * $Id: pg_config.h.in,v 1.27 2002/08/13 20:40:44 momjian Exp $
*/
#ifndef PG_CONFIG_H
* switch statement in fmgr_oldstyle() in src/backend/utils/fmgr/fmgr.c.
* But consider converting such functions to new-style instead...
*/
-#define INDEX_MAX_KEYS 16
+#define INDEX_MAX_KEYS 32
#define FUNC_MAX_ARGS INDEX_MAX_KEYS
/*
* use header files that are otherwise internal to Postgres to interface
* with the backend.
*
- * $Id: postgres_ext.h,v 1.10 2002/04/30 19:53:03 tgl Exp $
+ * $Id: postgres_ext.h,v 1.11 2002/08/13 20:40:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
* NOTE that databases with different NAMEDATALEN's cannot interoperate!
*/
-#define NAMEDATALEN 32
+#define NAMEDATALEN 64
#endif
postgresql.res.colrange:The column index is out of range.
postgresql.res.nextrequired:Result set not positioned properly, perhaps you need to call next().
postgresql.serial.interface:You cannot serialize an interface.
-postgresql.serial.namelength:Class & Package name length cannot be longer than 32 characters. {0} is {1} characters.
+postgresql.serial.namelength:Class & Package name length cannot be longer than 64 characters. {0} is {1} characters.
postgresql.serial.noclass:No class found for {0}
postgresql.serial.table:The table for {0} is not in the database. Contact the DBA, as the database is in an inconsistent state.
postgresql.serial.underscore:Class names may not have _ in them. You supplied {0}.
* There are a number of limitations placed on the java class to be
* used by Serialize:
- *
The class name must be less than 32 chars long and must be all lowercase.
+ *
The class name must be less than 64 chars long and must be all lowercase.
* This is due to limitations in Postgres about the size of table names.
* The name must be all lowercase since table names in Postgres are
* case insensitive and the relname is stored in lowercase. Unless some
*
* Because of this, a Class name may not have _ in the name.
* Another limitation, is that the entire class name (including packages)
- * cannot be longer than 32 characters (a limit forced by PostgreSQL).
+ * cannot be longer than 64 characters (a limit forced by PostgreSQL).
*
* @param name Class name
* @return PostgreSQL table name
if (name.indexOf("_") > -1)
throw new PSQLException("postgresql.serial.underscore");
- // Postgres table names can only be 32 character long.
- // Reserve 1 char, so allow only up to 31 chars.
+ // Postgres table names can only be 64 character long.
+ // Reserve 1 char, so allow only up to 63 chars.
// If the full class name with package is too long
// then just use the class name. If the class name is
// too long throw an exception.
//
- if ( name.length() > 31 )
+ if ( name.length() > 63 )
{
name = name.substring(name.lastIndexOf(".") + 1);
- if ( name.length() > 31 )
+ if ( name.length() > 63 )
throw new PSQLException("postgresql.serial.namelength", name, new Integer(name.length()));
}
return name.replace('.', '_');
--
--
CREATE TABLE NAME_TBL(f1 name);
-INSERT INTO NAME_TBL(f1) VALUES ('ABCDEFGHIJKLMNOP');
-INSERT INTO NAME_TBL(f1) VALUES ('abcdefghijklmnop');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqr');
INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
INSERT INTO NAME_TBL(f1) VALUES ('');
-INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
SELECT '' AS seven, NAME_TBL.*;
seven | f1
--------+---------------------------------
- | ABCDEFGHIJKLMNOP
- | abcdefghijklmnop
+-------+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| asdfghjkl;
| 343f%2a
| d34aaasdf
|
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(7 rows)
-SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> 'ABCDEFGHIJKLMNOP';
+SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
six | f1
------+---------------------------------
- | abcdefghijklmnop
+-----+-----------------------------------------------------------------
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| asdfghjkl;
| 343f%2a
| d34aaasdf
|
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
-(6 rows)
+(5 rows)
-SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = 'ABCDEFGHIJKLMNOP';
+SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
one | f1
------+------------------
- | ABCDEFGHIJKLMNOP
-(1 row)
+-----+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+(2 rows)
-SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < 'ABCDEFGHIJKLMNOP';
+SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
three | f1
--------+---------------------------------
- | 343f%2a
+-------+----
|
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
-(3 rows)
+(1 row)
-SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= 'ABCDEFGHIJKLMNOP';
+SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
four | f1
-------+---------------------------------
- | ABCDEFGHIJKLMNOP
- | 343f%2a
+------+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
|
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
-(4 rows)
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+(3 rows)
-SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > 'ABCDEFGHIJKLMNOP';
+SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
three | f1
--------+------------------
- | abcdefghijklmnop
+-------+-----------------------------------------------------------------
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| asdfghjkl;
+ | 343f%2a
| d34aaasdf
-(3 rows)
+(4 rows)
-SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= 'ABCDEFGHIJKLMNOP';
+SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
four | f1
-------+------------------
- | ABCDEFGHIJKLMNOP
- | abcdefghijklmnop
+------+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| asdfghjkl;
+ | 343f%2a
| d34aaasdf
-(4 rows)
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+(6 rows)
SELECT '' AS seven, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
seven | f1
--------+---------------------------------
- | ABCDEFGHIJKLMNOP
- | abcdefghijklmnop
+-------+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| asdfghjkl;
| 343f%2a
| d34aaasdf
|
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(7 rows)
SELECT '' AS zero, c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
three | f1
--------+---------------------------------
+-------+-----------------------------------------------------------------
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+ | 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
| 343f%2a
| d34aaasdf
- | 1234567890ABCDEFGHIJKLMNOPQRSTU
-(3 rows)
+ | 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
+(5 rows)
SELECT '' AS two, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
two | f1
CREATE TABLE NAME_TBL(f1 name);
-INSERT INTO NAME_TBL(f1) VALUES ('ABCDEFGHIJKLMNOP');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR');
-INSERT INTO NAME_TBL(f1) VALUES ('abcdefghijklmnop');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqr');
INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
INSERT INTO NAME_TBL(f1) VALUES ('');
-INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
+INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
SELECT '' AS seven, NAME_TBL.*;
-SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> 'ABCDEFGHIJKLMNOP';
+SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
-SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = 'ABCDEFGHIJKLMNOP';
+SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
-SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < 'ABCDEFGHIJKLMNOP';
+SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
-SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= 'ABCDEFGHIJKLMNOP';
+SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
-SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > 'ABCDEFGHIJKLMNOP';
+SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
-SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= 'ABCDEFGHIJKLMNOP';
+SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
SELECT '' AS seven, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';