mirror of
https://github.com/php/php-src.git
synced 2025-08-19 08:49:28 +02:00
* MySQL sequence emulation using auto_increment
* fixed indentation
This commit is contained in:
Stig Bakken
parent
a762072659
commit
48e7da206f
1 changed files with 391 additions and 301 deletions
692
pear/DB.php
692
pear/DB.php
|
|
@ -22,145 +22,142 @@
|
|||
// Database independent query interface.
|
||||
//
|
||||
|
||||
require_once "PEAR.php";
|
||||
require_once "DB/ERROR.php";
|
||||
require_once "DB/RESULT.php";
|
||||
require_once "DB/WARNING.php";
|
||||
require_once "PEAR.php";
|
||||
|
||||
/*
|
||||
* The method mapErrorCode in each DB_dbtype implementation maps
|
||||
* native error codes to one of these.
|
||||
*
|
||||
* If you add an error code here, make sure you also add a textual
|
||||
* version of it in DB::errorMessage().
|
||||
*/
|
||||
/*
|
||||
* The method mapErrorCode in each DB_dbtype implementation maps
|
||||
* native error codes to one of these.
|
||||
*
|
||||
* If you add an error code here, make sure you also add a textual
|
||||
* version of it in DB::errorMessage().
|
||||
*/
|
||||
|
||||
define( "DB_OK", 0 );
|
||||
define( "DB_ERROR", -1 );
|
||||
define( "DB_ERROR_SYNTAX", -2 );
|
||||
define( "DB_ERROR_CONSTRAINT", -3 );
|
||||
define( "DB_ERROR_NOT_FOUND", -4 );
|
||||
define( "DB_ERROR_ALREADY_EXISTS", -5 );
|
||||
define( "DB_ERROR_UNSUPPORTED", -6 );
|
||||
define( "DB_ERROR_MISMATCH", -7 );
|
||||
define( "DB_ERROR_INVALID", -8 );
|
||||
define( "DB_ERROR_NOT_CAPABLE", -9 );
|
||||
define( "DB_ERROR_TRUNCATED", -10 );
|
||||
define( "DB_ERROR_INVALID_NUMBER", -11 );
|
||||
define( "DB_ERROR_INVALID_DATE", -12 );
|
||||
define( "DB_ERROR_DIVZERO", -13 );
|
||||
define( "DB_ERROR_NODBSELECTED", -14 );
|
||||
define( "DB_ERROR_CANNOT_CREATE", -15 );
|
||||
define( "DB_ERROR_CANNOT_DELETE", -16 );
|
||||
define( "DB_ERROR_CANNOT_DROP", -17 );
|
||||
define( "DB_ERROR_NOSUCHTABLE", -18 );
|
||||
define( "DB_ERROR_NOSUCHFIELD", -19 );
|
||||
define( "DB_ERROR_NEED_MORE_DATA", -20 );
|
||||
define( "DB_ERROR_NOT_LOCKED", -21 );
|
||||
define( "DB_ERROR_VALUE_COUNT_ON_ROW", -22 );
|
||||
define("DB_OK", 0);
|
||||
define("DB_ERROR", -1);
|
||||
define("DB_ERROR_SYNTAX", -2);
|
||||
define("DB_ERROR_CONSTRAINT", -3);
|
||||
define("DB_ERROR_NOT_FOUND", -4);
|
||||
define("DB_ERROR_ALREADY_EXISTS", -5);
|
||||
define("DB_ERROR_UNSUPPORTED", -6);
|
||||
define("DB_ERROR_MISMATCH", -7);
|
||||
define("DB_ERROR_INVALID", -8);
|
||||
define("DB_ERROR_NOT_CAPABLE", -9);
|
||||
define("DB_ERROR_TRUNCATED", -10);
|
||||
define("DB_ERROR_INVALID_NUMBER", -11);
|
||||
define("DB_ERROR_INVALID_DATE", -12);
|
||||
define("DB_ERROR_DIVZERO", -13);
|
||||
define("DB_ERROR_NODBSELECTED", -14);
|
||||
define("DB_ERROR_CANNOT_CREATE", -15);
|
||||
define("DB_ERROR_CANNOT_DELETE", -16);
|
||||
define("DB_ERROR_CANNOT_DROP", -17);
|
||||
define("DB_ERROR_NOSUCHTABLE", -18);
|
||||
define("DB_ERROR_NOSUCHFIELD", -19);
|
||||
define("DB_ERROR_NEED_MORE_DATA", -20);
|
||||
define("DB_ERROR_NOT_LOCKED", -21);
|
||||
define("DB_ERROR_VALUE_COUNT_ON_ROW", -22);
|
||||
|
||||
/*
|
||||
* Warnings are not detected as errors by DB::isError(), and are not
|
||||
* fatal. You can detect whether an error is in fact a warning with
|
||||
* DB::isWarning().
|
||||
*/
|
||||
/*
|
||||
* Warnings are not detected as errors by DB::isError(), and are not
|
||||
* fatal. You can detect whether an error is in fact a warning with
|
||||
* DB::isWarning().
|
||||
*/
|
||||
|
||||
define( "DB_WARNING", -1000 );
|
||||
define( "DB_WARNING_READ_ONLY", -1001 );
|
||||
define("DB_WARNING", -1000);
|
||||
define("DB_WARNING_READ_ONLY", -1001);
|
||||
|
||||
/*
|
||||
* These constants are used when storing information about prepared
|
||||
* statements (using the "prepare" method in DB_dbtype).
|
||||
*
|
||||
* The prepare/execute model in DB is mostly borrowed from the ODBC
|
||||
* extension, in a query the "?" character means a scalar parameter.
|
||||
* There is one extension though, a "*" character means an opaque
|
||||
* parameter. An opaque parameter is simply a file name, the real
|
||||
* data are in that file (useful for stuff like putting uploaded files
|
||||
* into your database).
|
||||
*/
|
||||
/*
|
||||
* These constants are used when storing information about prepared
|
||||
* statements (using the "prepare" method in DB_dbtype).
|
||||
*
|
||||
* The prepare/execute model in DB is mostly borrowed from the ODBC
|
||||
* extension, in a query the "?" character means a scalar parameter.
|
||||
* There is one extension though, a "*" character means an opaque
|
||||
* parameter. An opaque parameter is simply a file name, the real
|
||||
* data are in that file (useful for stuff like putting uploaded files
|
||||
* into your database).
|
||||
*/
|
||||
|
||||
define( "DB_PARAM_SCALAR", 1 );
|
||||
define( "DB_PARAM_OPAQUE", 2 );
|
||||
define("DB_PARAM_SCALAR", 1);
|
||||
define("DB_PARAM_OPAQUE", 2);
|
||||
|
||||
/*
|
||||
* These constants define different ways of returning binary data
|
||||
* from queries. Again, this model has been borrowed from the ODBC
|
||||
* extension.
|
||||
*
|
||||
* DB_BINMODE_PASSTHRU sends the data directly through to the browser
|
||||
* when data is fetched from the database.
|
||||
* DB_BINMODE_RETURN lets you return data as usual.
|
||||
* DB_BINMODE_CONVERT returns data as well, only it is converted to
|
||||
* hex format, for example the string "123" would become "313233".
|
||||
*/
|
||||
/*
|
||||
* These constants define different ways of returning binary data
|
||||
* from queries. Again, this model has been borrowed from the ODBC
|
||||
* extension.
|
||||
*
|
||||
* DB_BINMODE_PASSTHRU sends the data directly through to the browser
|
||||
* when data is fetched from the database.
|
||||
* DB_BINMODE_RETURN lets you return data as usual.
|
||||
* DB_BINMODE_CONVERT returns data as well, only it is converted to
|
||||
* hex format, for example the string "123" would become "313233".
|
||||
*/
|
||||
|
||||
define( "DB_BINMODE_PASSTHRU", 1 );
|
||||
define( "DB_BINMODE_RETURN", 2 );
|
||||
define( "DB_BINMODE_CONVERT", 3 );
|
||||
define("DB_BINMODE_PASSTHRU", 1);
|
||||
define("DB_BINMODE_RETURN", 2);
|
||||
define("DB_BINMODE_CONVERT", 3);
|
||||
|
||||
/**
|
||||
* This is a special constant that tells DB the user hasn't specified
|
||||
* any particular get mode, so the default should be used.
|
||||
*/
|
||||
/**
|
||||
* This is a special constant that tells DB the user hasn't specified
|
||||
* any particular get mode, so the default should be used.
|
||||
*/
|
||||
|
||||
define( "DB_FETCHMODE_DEFAULT", 0 );
|
||||
define("DB_FETCHMODE_DEFAULT", 0);
|
||||
|
||||
/**
|
||||
* Column data indexed by numbers, ordered from 0 and up
|
||||
*/
|
||||
/**
|
||||
* Column data indexed by numbers, ordered from 0 and up
|
||||
*/
|
||||
|
||||
define( "DB_FETCHMODE_ORDERED", 1 );
|
||||
define("DB_FETCHMODE_ORDERED", 1);
|
||||
|
||||
/**
|
||||
* Column data indexed by column names
|
||||
*/
|
||||
/**
|
||||
* Column data indexed by column names
|
||||
*/
|
||||
|
||||
define( "DB_FETCHMODE_ASSOC", 2 );
|
||||
define("DB_FETCHMODE_ASSOC", 2);
|
||||
|
||||
/**
|
||||
* For multi-dimensional results: normally the first level of arrays
|
||||
* is the row number, and the second level indexed by column number or name.
|
||||
* DB_FETCHMODE_FLIPPED switches this order, so the first level of arrays
|
||||
* is the column name, and the second level the row number.
|
||||
*/
|
||||
/**
|
||||
* For multi-dimensional results: normally the first level of arrays
|
||||
* is the row number, and the second level indexed by column number or name.
|
||||
* DB_FETCHMODE_FLIPPED switches this order, so the first level of arrays
|
||||
* is the column name, and the second level the row number.
|
||||
*/
|
||||
|
||||
define( "DB_FETCHMODE_FLIPPED", 4 );
|
||||
define("DB_FETCHMODE_FLIPPED", 4);
|
||||
|
||||
/* for compatibility */
|
||||
/* for compatibility */
|
||||
|
||||
define( "DB_GETMODE_ORDERED", DB_FETCHMODE_ORDERED );
|
||||
define( "DB_GETMODE_ASSOC", DB_FETCHMODE_ASSOC );
|
||||
define( "DB_GETMODE_FLIPPED", DB_FETCHMODE_FLIPPED );
|
||||
define("DB_GETMODE_ORDERED", DB_FETCHMODE_ORDERED);
|
||||
define("DB_GETMODE_ASSOC", DB_FETCHMODE_ASSOC);
|
||||
define("DB_GETMODE_FLIPPED", DB_FETCHMODE_FLIPPED);
|
||||
|
||||
/**
|
||||
* The main "DB" class is simply a container class with some static
|
||||
* methods for creating DB objects as well as some utility functions
|
||||
* common to all parts of DB.
|
||||
*
|
||||
* The object model of DB is as follows (indentation means inheritance):
|
||||
*
|
||||
* DB The main DB class. This is simply a utility class
|
||||
* with some "static" methods for creating DB objects as
|
||||
* well as common utility functions for other DB classes.
|
||||
*
|
||||
* DB_common The base for each DB implementation. Provides default
|
||||
* | implementations (in OO lingo virtual methods) for
|
||||
* | the actual DB implementations as well as a bunch of
|
||||
* | query utility functions.
|
||||
* |
|
||||
* +-DB_mysql The DB implementation for MySQL. Inherits DB_common.
|
||||
* When calling DB::factory or DB::connect for MySQL
|
||||
* connections, the object returned is an instance of this
|
||||
* class.
|
||||
*
|
||||
* @version 2
|
||||
* @author Stig Bakken <ssb@fast.no>
|
||||
* @since PHP 4.0
|
||||
*/
|
||||
/**
|
||||
* The main "DB" class is simply a container class with some static
|
||||
* methods for creating DB objects as well as some utility functions
|
||||
* common to all parts of DB.
|
||||
*
|
||||
* The object model of DB is as follows (indentation means inheritance):
|
||||
*
|
||||
* DB The main DB class. This is simply a utility class
|
||||
* with some "static" methods for creating DB objects as
|
||||
* well as common utility functions for other DB classes.
|
||||
*
|
||||
* DB_common The base for each DB implementation. Provides default
|
||||
* | implementations (in OO lingo virtual methods) for
|
||||
* | the actual DB implementations as well as a bunch of
|
||||
* | query utility functions.
|
||||
* |
|
||||
* +-DB_mysql The DB implementation for MySQL. Inherits DB_common.
|
||||
* When calling DB::factory or DB::connect for MySQL
|
||||
* connections, the object returned is an instance of this
|
||||
* class.
|
||||
*
|
||||
* @version 2
|
||||
* @author Stig Bakken <ssb@fast.no>
|
||||
* @since PHP 4.0
|
||||
*/
|
||||
|
||||
class DB
|
||||
{
|
||||
class DB
|
||||
{
|
||||
/**
|
||||
* Create a new DB object for the specified database type
|
||||
*
|
||||
|
|
@ -170,26 +167,26 @@
|
|||
* error
|
||||
*/
|
||||
|
||||
function &factory( $type )
|
||||
function &factory($type)
|
||||
{
|
||||
@include_once( "DB/${type}.php" );
|
||||
@include_once("DB/${type}.php");
|
||||
|
||||
$classname = "DB_" . $type;
|
||||
$obj = @new $classname;
|
||||
$classname = "DB_" . $type;
|
||||
$obj = @new $classname;
|
||||
|
||||
if( !$obj )
|
||||
{
|
||||
return new DB_Error( DB_ERROR_NOT_FOUND );
|
||||
}
|
||||
if (!$obj) {
|
||||
return new DB_Error(DB_ERROR_NOT_FOUND);
|
||||
}
|
||||
|
||||
return $obj;
|
||||
return $obj;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a new DB object and connect to the specified database
|
||||
*
|
||||
* @param $dsn string "data source name", see the DB::parseDSN
|
||||
* method for a description of the dsn format.
|
||||
* @param $dsn mixed "data source name", see the DB::parseDSN
|
||||
* method for a description of the dsn format. Can also be
|
||||
* specified as an array of the format returned by DB::parseDSN.
|
||||
*
|
||||
* @param $persistent bool whether this connection should be
|
||||
* persistent. Ignored if the backend extension does not support
|
||||
|
|
@ -197,30 +194,33 @@
|
|||
*
|
||||
* @return object a newly created DB object, or a DB error code on
|
||||
* error
|
||||
*
|
||||
* @see DB::parseDSN
|
||||
*/
|
||||
|
||||
function &connect( $dsn, $persistent = false )
|
||||
function &connect($dsn, $persistent = false)
|
||||
{
|
||||
$dsninfo = DB::parseDSN( $dsn );
|
||||
$type = $dsninfo[ "phptype" ];
|
||||
$classname = "DB_" . $type;
|
||||
if (is_array($dsn)) {
|
||||
$dsninfo = $dsn;
|
||||
} else {
|
||||
$dsninfo = DB::parseDSN($dsn);
|
||||
}
|
||||
$type = $dsninfo["phptype"];
|
||||
$classname = "DB_" . $type;
|
||||
|
||||
@include_once( "DB/${type}.php" );
|
||||
$obj = @new $classname;
|
||||
@include_once("DB/${type}.php");
|
||||
$obj = @new $classname;
|
||||
|
||||
if( !$obj )
|
||||
{
|
||||
return new DB_Error( DB_ERROR_NOT_FOUND );
|
||||
}
|
||||
if (!$obj) {
|
||||
return new DB_Error(DB_ERROR_NOT_FOUND);
|
||||
}
|
||||
|
||||
$err = $obj->connect( $dsninfo, $persistent );
|
||||
$err = $obj->connect($dsninfo, $persistent);
|
||||
|
||||
if( DB::isError( $err ) )
|
||||
{
|
||||
return $err;
|
||||
}
|
||||
if (DB::isError($err)) {
|
||||
return $err;
|
||||
}
|
||||
|
||||
return $obj;
|
||||
return $obj;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -228,10 +228,9 @@
|
|||
*
|
||||
* @return int the DB API version number
|
||||
*/
|
||||
|
||||
function apiVersion()
|
||||
{
|
||||
return 2;
|
||||
return 2;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -241,13 +240,11 @@
|
|||
*
|
||||
* @return bool whether $value is an error
|
||||
*/
|
||||
|
||||
function isError( $value )
|
||||
function isError($value)
|
||||
{
|
||||
return is_object( $value ) &&
|
||||
( get_class( $value ) == "db_error" ||
|
||||
is_subclass_of( $value, "db_error" )
|
||||
);
|
||||
return is_object($value) &&
|
||||
(get_class($value) == "db_error" ||
|
||||
is_subclass_of($value, "db_error"));
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -259,13 +256,11 @@
|
|||
*
|
||||
* @return bool whether $value is a warning
|
||||
*/
|
||||
|
||||
function isWarning( $value )
|
||||
function isWarning($value)
|
||||
{
|
||||
return is_object( $value ) &&
|
||||
( get_class( $value ) == "db_warning" ||
|
||||
is_subclass_of( $value, "db_warning" )
|
||||
);
|
||||
return is_object($value) &&
|
||||
(get_class( $value ) == "db_warning" ||
|
||||
is_subclass_of($value, "db_warning"));
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -276,44 +271,41 @@
|
|||
* @return string error message, or false if the error code was
|
||||
* not recognized
|
||||
*/
|
||||
|
||||
function errorMessage( $value )
|
||||
function errorMessage($value)
|
||||
{
|
||||
if( !isset( $errorMessages ) )
|
||||
{
|
||||
$errorMessages = array(
|
||||
DB_ERROR => "unknown error",
|
||||
DB_ERROR_ALREADY_EXISTS => "already exists",
|
||||
DB_ERROR_CANNOT_CREATE => "can not create",
|
||||
DB_ERROR_CANNOT_DELETE => "can not delete",
|
||||
DB_ERROR_CANNOT_DROP => "can not drop",
|
||||
DB_ERROR_CONSTRAINT => "constraint violation",
|
||||
DB_ERROR_DIVZERO => "division by zero",
|
||||
DB_ERROR_INVALID => "invalid",
|
||||
DB_ERROR_INVALID_DATE => "invalid date or time",
|
||||
DB_ERROR_INVALID_NUMBER => "invalid number",
|
||||
DB_ERROR_MISMATCH => "mismatch",
|
||||
DB_ERROR_NODBSELECTED => "no database selected",
|
||||
DB_ERROR_NOSUCHFIELD => "no such field",
|
||||
DB_ERROR_NOSUCHTABLE => "no such table",
|
||||
DB_ERROR_NOT_CAPABLE => "DB backend not capable",
|
||||
DB_ERROR_NOT_FOUND => "not found",
|
||||
DB_ERROR_NOT_LOCKED => "not locked",
|
||||
DB_ERROR_SYNTAX => "syntax error",
|
||||
DB_ERROR_UNSUPPORTED => "not supported",
|
||||
DB_ERROR_VALUE_COUNT_ON_ROW => "value count on row",
|
||||
DB_OK => "no error",
|
||||
DB_WARNING => "unknown warning",
|
||||
DB_WARNING_READ_ONLY => "read only"
|
||||
);
|
||||
}
|
||||
if (!isset($errorMessages)) {
|
||||
$errorMessages = array(
|
||||
DB_ERROR => "unknown error",
|
||||
DB_ERROR_ALREADY_EXISTS => "already exists",
|
||||
DB_ERROR_CANNOT_CREATE => "can not create",
|
||||
DB_ERROR_CANNOT_DELETE => "can not delete",
|
||||
DB_ERROR_CANNOT_DROP => "can not drop",
|
||||
DB_ERROR_CONSTRAINT => "constraint violation",
|
||||
DB_ERROR_DIVZERO => "division by zero",
|
||||
DB_ERROR_INVALID => "invalid",
|
||||
DB_ERROR_INVALID_DATE => "invalid date or time",
|
||||
DB_ERROR_INVALID_NUMBER => "invalid number",
|
||||
DB_ERROR_MISMATCH => "mismatch",
|
||||
DB_ERROR_NODBSELECTED => "no database selected",
|
||||
DB_ERROR_NOSUCHFIELD => "no such field",
|
||||
DB_ERROR_NOSUCHTABLE => "no such table",
|
||||
DB_ERROR_NOT_CAPABLE => "DB backend not capable",
|
||||
DB_ERROR_NOT_FOUND => "not found",
|
||||
DB_ERROR_NOT_LOCKED => "not locked",
|
||||
DB_ERROR_SYNTAX => "syntax error",
|
||||
DB_ERROR_UNSUPPORTED => "not supported",
|
||||
DB_ERROR_VALUE_COUNT_ON_ROW => "value count on row",
|
||||
DB_OK => "no error",
|
||||
DB_WARNING => "unknown warning",
|
||||
DB_WARNING_READ_ONLY => "read only"
|
||||
);
|
||||
}
|
||||
|
||||
if( DB::isError( $value ) )
|
||||
{
|
||||
$value = $value->code;
|
||||
}
|
||||
if (DB::isError($value)) {
|
||||
$value = $value->code;
|
||||
}
|
||||
|
||||
return $errorMessages[ $value ];
|
||||
return $errorMessages[$value];
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -322,135 +314,233 @@
|
|||
* @param $dsn string Data Source Name to be parsed
|
||||
*
|
||||
* @return array an associative array with the following keys:
|
||||
* <dl>
|
||||
* <dt>phptype</dt>
|
||||
* <dd>Database backend used in PHP (mysql, odbc etc.)</dd>
|
||||
* <dt>dbsyntax</dt>
|
||||
* <dd>Database used with regards to SQL syntax etc.</dd>
|
||||
* <dt>protocol</dt>
|
||||
* <dd>Communication protocol to use (tcp, unix etc.)</dd>
|
||||
* <dt>hostspec</dt>
|
||||
* <dd>Host specification (hostname[:port])</dd>
|
||||
* <dt>database</dt>
|
||||
* <dd>Database to use on the DBMS server</dd>
|
||||
* <dt>username</dt>
|
||||
* <dd>User name for login</dd>
|
||||
* <dt>password</dt>
|
||||
* <dd>Password for login</dd>
|
||||
* </dl>
|
||||
* </p>
|
||||
*
|
||||
* <p>
|
||||
* phptype: Database backend used in PHP (mysql, odbc etc.)
|
||||
* dbsyntax: Database used with regards to SQL syntax etc.
|
||||
* protocol: Communication protocol to use (tcp, unix etc.)
|
||||
* hostspec: Host specification (hostname[:port])
|
||||
* database: Database to use on the DBMS server
|
||||
* username: User name for login
|
||||
* password: Password for login
|
||||
*
|
||||
* The format of the supplied DSN is in its fullest form:
|
||||
* <ul>
|
||||
* <li>phptype(dbsyntax)://username:password@protocol+hostspec/database</li>
|
||||
* </ul>
|
||||
*
|
||||
* phptype(dbsyntax)://username:password@protocol+hostspec/database
|
||||
*
|
||||
* Most variations are allowed:
|
||||
* <ul>
|
||||
* <li>phptype://username:password@protocol+hostspec/database</li>
|
||||
* <li>phptype://username:password@hostspec/database</li>
|
||||
* <li>phptype://username:password@hostspec</li>
|
||||
* <li>phptype://hostspec/database</li>
|
||||
* <li>phptype://hostspec</li>
|
||||
* <li>phptype(dbsyntax)</li>
|
||||
* <li>phptype</li>
|
||||
* </ul>
|
||||
* </p>
|
||||
* phptype://username:password@protocol+hostspec/database</li>
|
||||
* phptype://username:password@hostspec/database</li>
|
||||
* phptype://username:password@hostspec</li>
|
||||
* phptype://hostspec/database</li>
|
||||
* phptype://hostspec</li>
|
||||
* phptype(dbsyntax)</li>
|
||||
* phptype</li>
|
||||
*
|
||||
* @return bool FALSE is returned on error
|
||||
*/
|
||||
|
||||
function parseDSN( $dsn )
|
||||
function parseDSN($dsn)
|
||||
{
|
||||
if( is_array( $dsn ) )
|
||||
{
|
||||
return $dsn;
|
||||
}
|
||||
if (is_array($dsn)) {
|
||||
return $dsn;
|
||||
}
|
||||
|
||||
$parsed = array(
|
||||
"phptype" => false,
|
||||
"dbsyntax" => false,
|
||||
"protocol" => false,
|
||||
"hostspec" => false,
|
||||
"database" => false,
|
||||
"username" => false,
|
||||
"password" => false
|
||||
);
|
||||
$parsed = array(
|
||||
"phptype" => false,
|
||||
"dbsyntax" => false,
|
||||
"protocol" => false,
|
||||
"hostspec" => false,
|
||||
"database" => false,
|
||||
"username" => false,
|
||||
"password" => false
|
||||
);
|
||||
|
||||
if( preg_match( "|^([^:]+)://|", $dsn, $arr ) )
|
||||
{
|
||||
$dbtype = $arr[ 1 ];
|
||||
$dsn = preg_replace( "|^[^:]+://|", '', $dsn );
|
||||
if (preg_match("|^([^:]+)://|", $dsn, $arr)) {
|
||||
$dbtype = $arr[ 1 ];
|
||||
$dsn = preg_replace( "|^[^:]+://|", '', $dsn);
|
||||
|
||||
// match "phptype(dbsyntax)"
|
||||
if (preg_match("|^([^\(]+)\((.+)\)$|", $dbtype, $arr)) {
|
||||
$parsed["phptype"] = $arr[1];
|
||||
$parsed["dbsyntax"] = $arr[2];
|
||||
} else {
|
||||
$parsed["phptype"] = $dbtype;
|
||||
}
|
||||
} else {
|
||||
// match "phptype(dbsyntax)"
|
||||
if (preg_match("|^([^\(]+)\((.+)\)$|", $dsn, $arr)) {
|
||||
$parsed["phptype"] = $arr[1];
|
||||
$parsed["dbsyntax"] = $arr[2];
|
||||
} else {
|
||||
$parsed["phptype"] = $dsn;
|
||||
}
|
||||
|
||||
// match "phptype(dbsyntax)"
|
||||
if( preg_match( "|^([^\(]+)\((.+)\)$|", $dbtype, $arr ) )
|
||||
{
|
||||
$parsed[ "phptype" ] = $arr[ 1 ];
|
||||
$parsed[ "dbsyntax" ] = $arr[ 2 ];
|
||||
return $parsed;
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
$parsed[ "phptype" ] = $dbtype;
|
||||
if (preg_match("|^(.*)/([^/]+)/?$|", $dsn, $arr)) {
|
||||
$parsed["database"] = $arr[2];
|
||||
$dsn = $arr[1];
|
||||
}
|
||||
|
||||
if (preg_match("|^([^:]+):([^@]+)@?(.*)$|", $dsn, $arr)) {
|
||||
$parsed["username"] = $arr[1];
|
||||
$parsed["password"] = $arr[2];
|
||||
$dsn = $arr[3];
|
||||
} elseif (preg_match("|^([^:]+)@(.*)$|", $dsn, $arr)) {
|
||||
$parsed["username"] = $arr[1];
|
||||
$dsn = $arr[2];
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
// match "phptype(dbsyntax)"
|
||||
if( preg_match( "|^([^\(]+)\((.+)\)$|", $dsn, $arr ) )
|
||||
{
|
||||
$parsed[ "phptype" ] = $arr[ 1 ];
|
||||
$parsed[ "dbsyntax" ] = $arr[ 2 ];
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
$parsed[ "phptype" ] = $dsn;
|
||||
}
|
||||
|
||||
return $parsed;
|
||||
if (preg_match("|^([^\+]+)\+(.*)$|", $dsn, $arr)) {
|
||||
$parsed["protocol"] = $arr[1];
|
||||
$dsn = $arr[2];
|
||||
}
|
||||
|
||||
if( preg_match( "|^(.*)/([^/]+)/?$|", $dsn, $arr ) )
|
||||
{
|
||||
$parsed[ "database" ] = $arr[ 2 ];
|
||||
$dsn = $arr[ 1 ];
|
||||
if (!$parsed["database"]) {
|
||||
$dsn = preg_replace("|/+$|", "", $dsn);
|
||||
}
|
||||
|
||||
if( preg_match( "|^([^:]+):([^@]+)@?(.*)$|", $dsn, $arr ) )
|
||||
{
|
||||
$parsed[ "username" ] = $arr[ 1 ];
|
||||
$parsed[ "password" ] = $arr[ 2 ];
|
||||
$dsn = $arr[ 3 ];
|
||||
}
|
||||
$parsed["hostspec"] = urldecode($dsn);
|
||||
|
||||
elseif( preg_match( "|^([^:]+)@(.*)$|", $dsn, $arr ) )
|
||||
{
|
||||
$parsed[ "username" ] = $arr[ 1 ];
|
||||
$dsn = $arr[ 2 ];
|
||||
}
|
||||
|
||||
if( preg_match( "|^([^\+]+)\+(.*)$|", $dsn, $arr ) )
|
||||
{
|
||||
$parsed[ "protocol" ] = $arr[ 1 ];
|
||||
$dsn = $arr[ 2 ];
|
||||
}
|
||||
|
||||
if( !$parsed[ "database" ] )
|
||||
{
|
||||
$dsn = preg_replace( "|/+$|", "", $dsn );
|
||||
}
|
||||
|
||||
$parsed[ "hostspec" ] = urldecode( $dsn );
|
||||
|
||||
if( !$parsed[ "dbsyntax"] )
|
||||
{
|
||||
$parsed[ "dbsyntax" ] = $parsed[ "phptype" ];
|
||||
if(!$parsed["dbsyntax"]) {
|
||||
$parsed["dbsyntax"] = $parsed["phptype"];
|
||||
}
|
||||
|
||||
return $parsed;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* DB_Error implements a class for reporting portable database error
|
||||
* messages.
|
||||
*
|
||||
* @author Stig Bakken <ssb@fast.no>
|
||||
*/
|
||||
class DB_Error extends PEAR_Error
|
||||
{
|
||||
/**
|
||||
* DB_Error constructor.
|
||||
*
|
||||
* @param $code mixed DB error code, or string with error message.
|
||||
* @param $mode int what "error mode" to operate in
|
||||
* @param $level what error level to use for $mode & PEAR_ERROR_TRIGGER
|
||||
* @param $debuginfo additional debug info, such as the last query
|
||||
*
|
||||
* @access public
|
||||
*
|
||||
* @see PEAR_Error
|
||||
*/
|
||||
|
||||
function DB_Error($code = DB_ERROR, $mode = PEAR_ERROR_RETURN,
|
||||
$level = E_USER_NOTICE, $debuginfo = null) {
|
||||
if (is_int($code)) {
|
||||
$this->PEAR_Error("DB Error: " . DB::errorMessage( $code ), $code, $mode, $level, $debuginfo);
|
||||
} else {
|
||||
$this->PEAR_Error("DB Error: $code", 0, $mode, $level, $debuginfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* DB_Warning implements a class for reporting portable database
|
||||
* warning messages.
|
||||
*
|
||||
* @author Stig Bakken <ssb@fast.no>
|
||||
*/
|
||||
class DB_Warning extends PEAR_Error
|
||||
{
|
||||
/**
|
||||
* DB_Warning constructor.
|
||||
*
|
||||
* @param $code mixed DB error code, or string with error message.
|
||||
* @param $mode int what "error mode" to operate in
|
||||
* @param $level what error level to use for $mode == PEAR_ERROR_TRIGGER
|
||||
* @param $debuginfo additional debug info, such as the last query
|
||||
*
|
||||
* @access public
|
||||
*
|
||||
* @see PEAR_Error
|
||||
*/
|
||||
|
||||
function DB_Warning($code = DB_WARNING, $mode = PEAR_ERROR_RETURN,
|
||||
$level = E_USER_NOTICE, $debuginfo = null) {
|
||||
if (is_int($code)) {
|
||||
$this->PEAR_Error("DB Warning: " . DB::errorMessage( $code ), $code, $mode, $level, $debuginfo);
|
||||
} else {
|
||||
$this->PEAR_Error("DB Warning: $code", 0, $mode, $level, $debuginfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This class implements a wrapper for a DB result set.
|
||||
* A new instance of this class will be returned by the DB implementation
|
||||
* after processing a query that returns data.
|
||||
*
|
||||
* @author Stig Bakken <ssb@fast.no>
|
||||
*/
|
||||
|
||||
class DB_result
|
||||
{
|
||||
var $dbh;
|
||||
var $result;
|
||||
|
||||
/**
|
||||
* DB_result constructor.
|
||||
* @param $dbh DB object reference
|
||||
* @param $result result resource id
|
||||
*/
|
||||
|
||||
function DB_result(&$dbh, $result) {
|
||||
$this->dbh = &$dbh;
|
||||
$this->result = $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch and return a row of data.
|
||||
* @return array a row of data, or false on error
|
||||
*/
|
||||
function fetchRow($fetchmode = DB_FETCHMODE_DEFAULT) {
|
||||
if ($fetchmode == DB_FETCHMODE_DEFAULT) {
|
||||
$fetchmode = $this->dbh->fetchmode;
|
||||
}
|
||||
return $this->dbh->fetchRow($this->result, $fetchmode);
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch a row of data into an existing array.
|
||||
*
|
||||
* @param $arr reference to data array
|
||||
* @return int error code
|
||||
*/
|
||||
function fetchInto(&$arr, $fetchmode = DB_FETCHMODE_DEFAULT) {
|
||||
if ($fetchmode == DB_FETCHMODE_DEFAULT) {
|
||||
$fetchmode = $this->dbh->fetchmode;
|
||||
}
|
||||
return $this->dbh->fetchInto($this->result, $arr, $fetchmode);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the the number of columns in a result set.
|
||||
*
|
||||
* @return int the number of columns, or a DB error code
|
||||
*/
|
||||
function numCols() {
|
||||
return $this->dbh->numCols($this->result);
|
||||
}
|
||||
|
||||
/**
|
||||
* Frees the resources allocated for this result set.
|
||||
* @return int error code
|
||||
*/
|
||||
function free() {
|
||||
$err = $this->dbh->freeResult($this->result);
|
||||
if( DB::isError($err)) {
|
||||
return $err;
|
||||
}
|
||||
$this->result = false;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
?>
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue