forked from GNUsocial/gnu-social
832 lines
24 KiB
PHP
832 lines
24 KiB
PHP
<?php
|
|
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
|
|
|
/**
|
|
* The PEAR DB driver for PHP's msql extension
|
|
* for interacting with Mini SQL databases
|
|
*
|
|
* PHP's mSQL extension did weird things with NULL values prior to PHP
|
|
* 4.3.11 and 5.0.4. Make sure your version of PHP meets or exceeds
|
|
* those versions.
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENSE: This source file is subject to version 3.0 of the PHP license
|
|
* that is available through the world-wide-web at the following URI:
|
|
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
|
|
* the PHP License and are unable to obtain it through the web, please
|
|
* send a note to license@php.net so we can mail you a copy immediately.
|
|
*
|
|
* @category Database
|
|
* @package DB
|
|
* @author Daniel Convissor <danielc@php.net>
|
|
* @copyright 1997-2007 The PHP Group
|
|
* @license http://www.php.net/license/3_0.txt PHP License 3.0
|
|
* @version CVS: $Id$
|
|
* @link http://pear.php.net/package/DB
|
|
*/
|
|
|
|
/**
|
|
* Obtain the DB_common class so it can be extended from
|
|
*/
|
|
require_once 'DB/common.php';
|
|
|
|
/**
|
|
* The methods PEAR DB uses to interact with PHP's msql extension
|
|
* for interacting with Mini SQL databases
|
|
*
|
|
* These methods overload the ones declared in DB_common.
|
|
*
|
|
* PHP's mSQL extension did weird things with NULL values prior to PHP
|
|
* 4.3.11 and 5.0.4. Make sure your version of PHP meets or exceeds
|
|
* those versions.
|
|
*
|
|
* @category Database
|
|
* @package DB
|
|
* @author Daniel Convissor <danielc@php.net>
|
|
* @copyright 1997-2007 The PHP Group
|
|
* @license http://www.php.net/license/3_0.txt PHP License 3.0
|
|
* @version Release: 1.8.2
|
|
* @link http://pear.php.net/package/DB
|
|
* @since Class not functional until Release 1.7.0
|
|
*/
|
|
class DB_msql extends DB_common
|
|
{
|
|
// {{{ properties
|
|
|
|
/**
|
|
* The DB driver type (mysql, oci8, odbc, etc.)
|
|
* @var string
|
|
*/
|
|
var $phptype = 'msql';
|
|
|
|
/**
|
|
* The database syntax variant to be used (db2, access, etc.), if any
|
|
* @var string
|
|
*/
|
|
var $dbsyntax = 'msql';
|
|
|
|
/**
|
|
* The capabilities of this DB implementation
|
|
*
|
|
* The 'new_link' element contains the PHP version that first provided
|
|
* new_link support for this DBMS. Contains false if it's unsupported.
|
|
*
|
|
* Meaning of the 'limit' element:
|
|
* + 'emulate' = emulate with fetch row by number
|
|
* + 'alter' = alter the query
|
|
* + false = skip rows
|
|
*
|
|
* @var array
|
|
*/
|
|
var $features = array(
|
|
'limit' => 'emulate',
|
|
'new_link' => false,
|
|
'numrows' => true,
|
|
'pconnect' => true,
|
|
'prepare' => false,
|
|
'ssl' => false,
|
|
'transactions' => false,
|
|
);
|
|
|
|
/**
|
|
* A mapping of native error codes to DB error codes
|
|
* @var array
|
|
*/
|
|
var $errorcode_map = array(
|
|
);
|
|
|
|
/**
|
|
* The raw database connection created by PHP
|
|
* @var resource
|
|
*/
|
|
var $connection;
|
|
|
|
/**
|
|
* The DSN information for connecting to a database
|
|
* @var array
|
|
*/
|
|
var $dsn = array();
|
|
|
|
|
|
/**
|
|
* The query result resource created by PHP
|
|
*
|
|
* Used to make affectedRows() work. Only contains the result for
|
|
* data manipulation queries. Contains false for other queries.
|
|
*
|
|
* @var resource
|
|
* @access private
|
|
*/
|
|
var $_result;
|
|
|
|
|
|
// }}}
|
|
// {{{ constructor
|
|
|
|
/**
|
|
* This constructor calls <kbd>$this->DB_common()</kbd>
|
|
*
|
|
* @return void
|
|
*/
|
|
function DB_msql()
|
|
{
|
|
$this->DB_common();
|
|
}
|
|
|
|
// }}}
|
|
// {{{ connect()
|
|
|
|
/**
|
|
* Connect to the database server, log in and open the database
|
|
*
|
|
* Don't call this method directly. Use DB::connect() instead.
|
|
*
|
|
* Example of how to connect:
|
|
* <code>
|
|
* require_once 'DB.php';
|
|
*
|
|
* // $dsn = 'msql://hostname/dbname'; // use a TCP connection
|
|
* $dsn = 'msql:///dbname'; // use a socket
|
|
* $options = array(
|
|
* 'portability' => DB_PORTABILITY_ALL,
|
|
* );
|
|
*
|
|
* $db = DB::connect($dsn, $options);
|
|
* if (PEAR::isError($db)) {
|
|
* die($db->getMessage());
|
|
* }
|
|
* </code>
|
|
*
|
|
* @param array $dsn the data source name
|
|
* @param bool $persistent should the connection be persistent?
|
|
*
|
|
* @return int DB_OK on success. A DB_Error object on failure.
|
|
*/
|
|
function connect($dsn, $persistent = false)
|
|
{
|
|
if (!PEAR::loadExtension('msql')) {
|
|
return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
|
|
}
|
|
|
|
$this->dsn = $dsn;
|
|
if ($dsn['dbsyntax']) {
|
|
$this->dbsyntax = $dsn['dbsyntax'];
|
|
}
|
|
|
|
$params = array();
|
|
if ($dsn['hostspec']) {
|
|
$params[] = $dsn['port']
|
|
? $dsn['hostspec'] . ',' . $dsn['port']
|
|
: $dsn['hostspec'];
|
|
}
|
|
|
|
$connect_function = $persistent ? 'msql_pconnect' : 'msql_connect';
|
|
|
|
$ini = ini_get('track_errors');
|
|
$php_errormsg = '';
|
|
if ($ini) {
|
|
$this->connection = @call_user_func_array($connect_function,
|
|
$params);
|
|
} else {
|
|
@ini_set('track_errors', 1);
|
|
$this->connection = @call_user_func_array($connect_function,
|
|
$params);
|
|
@ini_set('track_errors', $ini);
|
|
}
|
|
|
|
if (!$this->connection) {
|
|
if (($err = @msql_error()) != '') {
|
|
return $this->raiseError(DB_ERROR_CONNECT_FAILED,
|
|
null, null, null,
|
|
$err);
|
|
} else {
|
|
return $this->raiseError(DB_ERROR_CONNECT_FAILED,
|
|
null, null, null,
|
|
$php_errormsg);
|
|
}
|
|
}
|
|
|
|
if (!@msql_select_db($dsn['database'], $this->connection)) {
|
|
return $this->msqlRaiseError();
|
|
}
|
|
return DB_OK;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ disconnect()
|
|
|
|
/**
|
|
* Disconnects from the database server
|
|
*
|
|
* @return bool TRUE on success, FALSE on failure
|
|
*/
|
|
function disconnect()
|
|
{
|
|
$ret = @msql_close($this->connection);
|
|
$this->connection = null;
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ simpleQuery()
|
|
|
|
/**
|
|
* Sends a query to the database server
|
|
*
|
|
* @param string the SQL query string
|
|
*
|
|
* @return mixed + a PHP result resrouce for successful SELECT queries
|
|
* + the DB_OK constant for other successful queries
|
|
* + a DB_Error object on failure
|
|
*/
|
|
function simpleQuery($query)
|
|
{
|
|
$this->last_query = $query;
|
|
$query = $this->modifyQuery($query);
|
|
$result = @msql_query($query, $this->connection);
|
|
if (!$result) {
|
|
return $this->msqlRaiseError();
|
|
}
|
|
// Determine which queries that should return data, and which
|
|
// should return an error code only.
|
|
if ($this->_checkManip($query)) {
|
|
$this->_result = $result;
|
|
return DB_OK;
|
|
} else {
|
|
$this->_result = false;
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
|
|
// }}}
|
|
// {{{ nextResult()
|
|
|
|
/**
|
|
* Move the internal msql result pointer to the next available result
|
|
*
|
|
* @param a valid fbsql result resource
|
|
*
|
|
* @access public
|
|
*
|
|
* @return true if a result is available otherwise return false
|
|
*/
|
|
function nextResult($result)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ fetchInto()
|
|
|
|
/**
|
|
* Places a row from the result set into the given array
|
|
*
|
|
* Formating of the array and the data therein are configurable.
|
|
* See DB_result::fetchInto() for more information.
|
|
*
|
|
* This method is not meant to be called directly. Use
|
|
* DB_result::fetchInto() instead. It can't be declared "protected"
|
|
* because DB_result is a separate object.
|
|
*
|
|
* PHP's mSQL extension did weird things with NULL values prior to PHP
|
|
* 4.3.11 and 5.0.4. Make sure your version of PHP meets or exceeds
|
|
* those versions.
|
|
*
|
|
* @param resource $result the query result resource
|
|
* @param array $arr the referenced array to put the data in
|
|
* @param int $fetchmode how the resulting array should be indexed
|
|
* @param int $rownum the row number to fetch (0 = first row)
|
|
*
|
|
* @return mixed DB_OK on success, NULL when the end of a result set is
|
|
* reached or on failure
|
|
*
|
|
* @see DB_result::fetchInto()
|
|
*/
|
|
function fetchInto($result, &$arr, $fetchmode, $rownum = null)
|
|
{
|
|
if ($rownum !== null) {
|
|
if (!@msql_data_seek($result, $rownum)) {
|
|
return null;
|
|
}
|
|
}
|
|
if ($fetchmode & DB_FETCHMODE_ASSOC) {
|
|
$arr = @msql_fetch_array($result, MSQL_ASSOC);
|
|
if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
|
|
$arr = array_change_key_case($arr, CASE_LOWER);
|
|
}
|
|
} else {
|
|
$arr = @msql_fetch_row($result);
|
|
}
|
|
if (!$arr) {
|
|
return null;
|
|
}
|
|
if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
|
|
$this->_rtrimArrayValues($arr);
|
|
}
|
|
if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
|
|
$this->_convertNullArrayValuesToEmpty($arr);
|
|
}
|
|
return DB_OK;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ freeResult()
|
|
|
|
/**
|
|
* Deletes the result set and frees the memory occupied by the result set
|
|
*
|
|
* This method is not meant to be called directly. Use
|
|
* DB_result::free() instead. It can't be declared "protected"
|
|
* because DB_result is a separate object.
|
|
*
|
|
* @param resource $result PHP's query result resource
|
|
*
|
|
* @return bool TRUE on success, FALSE if $result is invalid
|
|
*
|
|
* @see DB_result::free()
|
|
*/
|
|
function freeResult($result)
|
|
{
|
|
return is_resource($result) ? msql_free_result($result) : false;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ numCols()
|
|
|
|
/**
|
|
* Gets the number of columns in a result set
|
|
*
|
|
* This method is not meant to be called directly. Use
|
|
* DB_result::numCols() instead. It can't be declared "protected"
|
|
* because DB_result is a separate object.
|
|
*
|
|
* @param resource $result PHP's query result resource
|
|
*
|
|
* @return int the number of columns. A DB_Error object on failure.
|
|
*
|
|
* @see DB_result::numCols()
|
|
*/
|
|
function numCols($result)
|
|
{
|
|
$cols = @msql_num_fields($result);
|
|
if (!$cols) {
|
|
return $this->msqlRaiseError();
|
|
}
|
|
return $cols;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ numRows()
|
|
|
|
/**
|
|
* Gets the number of rows in a result set
|
|
*
|
|
* This method is not meant to be called directly. Use
|
|
* DB_result::numRows() instead. It can't be declared "protected"
|
|
* because DB_result is a separate object.
|
|
*
|
|
* @param resource $result PHP's query result resource
|
|
*
|
|
* @return int the number of rows. A DB_Error object on failure.
|
|
*
|
|
* @see DB_result::numRows()
|
|
*/
|
|
function numRows($result)
|
|
{
|
|
$rows = @msql_num_rows($result);
|
|
if ($rows === false) {
|
|
return $this->msqlRaiseError();
|
|
}
|
|
return $rows;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ affected()
|
|
|
|
/**
|
|
* Determines the number of rows affected by a data maniuplation query
|
|
*
|
|
* 0 is returned for queries that don't manipulate data.
|
|
*
|
|
* @return int the number of rows. A DB_Error object on failure.
|
|
*/
|
|
function affectedRows()
|
|
{
|
|
if (!$this->_result) {
|
|
return 0;
|
|
}
|
|
return msql_affected_rows($this->_result);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ nextId()
|
|
|
|
/**
|
|
* Returns the next free id in a sequence
|
|
*
|
|
* @param string $seq_name name of the sequence
|
|
* @param boolean $ondemand when true, the seqence is automatically
|
|
* created if it does not exist
|
|
*
|
|
* @return int the next id number in the sequence.
|
|
* A DB_Error object on failure.
|
|
*
|
|
* @see DB_common::nextID(), DB_common::getSequenceName(),
|
|
* DB_msql::createSequence(), DB_msql::dropSequence()
|
|
*/
|
|
function nextId($seq_name, $ondemand = true)
|
|
{
|
|
$seqname = $this->getSequenceName($seq_name);
|
|
$repeat = false;
|
|
do {
|
|
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|
$result = $this->query("SELECT _seq FROM ${seqname}");
|
|
$this->popErrorHandling();
|
|
if ($ondemand && DB::isError($result) &&
|
|
$result->getCode() == DB_ERROR_NOSUCHTABLE) {
|
|
$repeat = true;
|
|
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|
$result = $this->createSequence($seq_name);
|
|
$this->popErrorHandling();
|
|
if (DB::isError($result)) {
|
|
return $this->raiseError($result);
|
|
}
|
|
} else {
|
|
$repeat = false;
|
|
}
|
|
} while ($repeat);
|
|
if (DB::isError($result)) {
|
|
return $this->raiseError($result);
|
|
}
|
|
$arr = $result->fetchRow(DB_FETCHMODE_ORDERED);
|
|
$result->free();
|
|
return $arr[0];
|
|
}
|
|
|
|
// }}}
|
|
// {{{ createSequence()
|
|
|
|
/**
|
|
* Creates a new sequence
|
|
*
|
|
* Also creates a new table to associate the sequence with. Uses
|
|
* a separate table to ensure portability with other drivers.
|
|
*
|
|
* @param string $seq_name name of the new sequence
|
|
*
|
|
* @return int DB_OK on success. A DB_Error object on failure.
|
|
*
|
|
* @see DB_common::createSequence(), DB_common::getSequenceName(),
|
|
* DB_msql::nextID(), DB_msql::dropSequence()
|
|
*/
|
|
function createSequence($seq_name)
|
|
{
|
|
$seqname = $this->getSequenceName($seq_name);
|
|
$res = $this->query('CREATE TABLE ' . $seqname
|
|
. ' (id INTEGER NOT NULL)');
|
|
if (DB::isError($res)) {
|
|
return $res;
|
|
}
|
|
$res = $this->query("CREATE SEQUENCE ON ${seqname}");
|
|
return $res;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ dropSequence()
|
|
|
|
/**
|
|
* Deletes a sequence
|
|
*
|
|
* @param string $seq_name name of the sequence to be deleted
|
|
*
|
|
* @return int DB_OK on success. A DB_Error object on failure.
|
|
*
|
|
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
|
|
* DB_msql::nextID(), DB_msql::createSequence()
|
|
*/
|
|
function dropSequence($seq_name)
|
|
{
|
|
return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
|
|
}
|
|
|
|
// }}}
|
|
// {{{ quoteIdentifier()
|
|
|
|
/**
|
|
* mSQL does not support delimited identifiers
|
|
*
|
|
* @param string $str the identifier name to be quoted
|
|
*
|
|
* @return object a DB_Error object
|
|
*
|
|
* @see DB_common::quoteIdentifier()
|
|
* @since Method available since Release 1.7.0
|
|
*/
|
|
function quoteIdentifier($str)
|
|
{
|
|
return $this->raiseError(DB_ERROR_UNSUPPORTED);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ quoteFloat()
|
|
|
|
/**
|
|
* Formats a float value for use within a query in a locale-independent
|
|
* manner.
|
|
*
|
|
* @param float the float value to be quoted.
|
|
* @return string the quoted string.
|
|
* @see DB_common::quoteSmart()
|
|
* @since Method available since release 1.7.8.
|
|
*/
|
|
function quoteFloat($float) {
|
|
return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
|
|
}
|
|
|
|
// }}}
|
|
// {{{ escapeSimple()
|
|
|
|
/**
|
|
* Escapes a string according to the current DBMS's standards
|
|
*
|
|
* @param string $str the string to be escaped
|
|
*
|
|
* @return string the escaped string
|
|
*
|
|
* @see DB_common::quoteSmart()
|
|
* @since Method available since Release 1.7.0
|
|
*/
|
|
function escapeSimple($str)
|
|
{
|
|
return addslashes($str);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ msqlRaiseError()
|
|
|
|
/**
|
|
* Produces a DB_Error object regarding the current problem
|
|
*
|
|
* @param int $errno if the error is being manually raised pass a
|
|
* DB_ERROR* constant here. If this isn't passed
|
|
* the error information gathered from the DBMS.
|
|
*
|
|
* @return object the DB_Error object
|
|
*
|
|
* @see DB_common::raiseError(),
|
|
* DB_msql::errorNative(), DB_msql::errorCode()
|
|
*/
|
|
function msqlRaiseError($errno = null)
|
|
{
|
|
$native = $this->errorNative();
|
|
if ($errno === null) {
|
|
$errno = $this->errorCode($native);
|
|
}
|
|
return $this->raiseError($errno, null, null, null, $native);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ errorNative()
|
|
|
|
/**
|
|
* Gets the DBMS' native error message produced by the last query
|
|
*
|
|
* @return string the DBMS' error message
|
|
*/
|
|
function errorNative()
|
|
{
|
|
return @msql_error();
|
|
}
|
|
|
|
// }}}
|
|
// {{{ errorCode()
|
|
|
|
/**
|
|
* Determines PEAR::DB error code from the database's text error message
|
|
*
|
|
* @param string $errormsg the error message returned from the database
|
|
*
|
|
* @return integer the error number from a DB_ERROR* constant
|
|
*/
|
|
function errorCode($errormsg)
|
|
{
|
|
static $error_regexps;
|
|
|
|
// PHP 5.2+ prepends the function name to $php_errormsg, so we need
|
|
// this hack to work around it, per bug #9599.
|
|
$errormsg = preg_replace('/^msql[a-z_]+\(\): /', '', $errormsg);
|
|
|
|
if (!isset($error_regexps)) {
|
|
$error_regexps = array(
|
|
'/^Access to database denied/i'
|
|
=> DB_ERROR_ACCESS_VIOLATION,
|
|
'/^Bad index name/i'
|
|
=> DB_ERROR_ALREADY_EXISTS,
|
|
'/^Bad order field/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Bad type for comparison/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Can\'t perform LIKE on/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Can\'t use TEXT fields in LIKE comparison/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Couldn\'t create temporary table/i'
|
|
=> DB_ERROR_CANNOT_CREATE,
|
|
'/^Error creating table file/i'
|
|
=> DB_ERROR_CANNOT_CREATE,
|
|
'/^Field .* cannot be null$/i'
|
|
=> DB_ERROR_CONSTRAINT_NOT_NULL,
|
|
'/^Index (field|condition) .* cannot be null$/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Invalid date format/i'
|
|
=> DB_ERROR_INVALID_DATE,
|
|
'/^Invalid time format/i'
|
|
=> DB_ERROR_INVALID,
|
|
'/^Literal value for .* is wrong type$/i'
|
|
=> DB_ERROR_INVALID_NUMBER,
|
|
'/^No Database Selected/i'
|
|
=> DB_ERROR_NODBSELECTED,
|
|
'/^No value specified for field/i'
|
|
=> DB_ERROR_VALUE_COUNT_ON_ROW,
|
|
'/^Non unique value for unique index/i'
|
|
=> DB_ERROR_CONSTRAINT,
|
|
'/^Out of memory for temporary table/i'
|
|
=> DB_ERROR_CANNOT_CREATE,
|
|
'/^Permission denied/i'
|
|
=> DB_ERROR_ACCESS_VIOLATION,
|
|
'/^Reference to un-selected table/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^syntax error/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
'/^Table .* exists$/i'
|
|
=> DB_ERROR_ALREADY_EXISTS,
|
|
'/^Unknown database/i'
|
|
=> DB_ERROR_NOSUCHDB,
|
|
'/^Unknown field/i'
|
|
=> DB_ERROR_NOSUCHFIELD,
|
|
'/^Unknown (index|system variable)/i'
|
|
=> DB_ERROR_NOT_FOUND,
|
|
'/^Unknown table/i'
|
|
=> DB_ERROR_NOSUCHTABLE,
|
|
'/^Unqualified field/i'
|
|
=> DB_ERROR_SYNTAX,
|
|
);
|
|
}
|
|
|
|
foreach ($error_regexps as $regexp => $code) {
|
|
if (preg_match($regexp, $errormsg)) {
|
|
return $code;
|
|
}
|
|
}
|
|
return DB_ERROR;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ tableInfo()
|
|
|
|
/**
|
|
* Returns information about a table or a result set
|
|
*
|
|
* @param object|string $result DB_result object from a query or a
|
|
* string containing the name of a table.
|
|
* While this also accepts a query result
|
|
* resource identifier, this behavior is
|
|
* deprecated.
|
|
* @param int $mode a valid tableInfo mode
|
|
*
|
|
* @return array an associative array with the information requested.
|
|
* A DB_Error object on failure.
|
|
*
|
|
* @see DB_common::setOption()
|
|
*/
|
|
function tableInfo($result, $mode = null)
|
|
{
|
|
if (is_string($result)) {
|
|
/*
|
|
* Probably received a table name.
|
|
* Create a result resource identifier.
|
|
*/
|
|
$id = @msql_query("SELECT * FROM $result",
|
|
$this->connection);
|
|
$got_string = true;
|
|
} elseif (isset($result->result)) {
|
|
/*
|
|
* Probably received a result object.
|
|
* Extract the result resource identifier.
|
|
*/
|
|
$id = $result->result;
|
|
$got_string = false;
|
|
} else {
|
|
/*
|
|
* Probably received a result resource identifier.
|
|
* Copy it.
|
|
* Deprecated. Here for compatibility only.
|
|
*/
|
|
$id = $result;
|
|
$got_string = false;
|
|
}
|
|
|
|
if (!is_resource($id)) {
|
|
return $this->raiseError(DB_ERROR_NEED_MORE_DATA);
|
|
}
|
|
|
|
if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
|
|
$case_func = 'strtolower';
|
|
} else {
|
|
$case_func = 'strval';
|
|
}
|
|
|
|
$count = @msql_num_fields($id);
|
|
$res = array();
|
|
|
|
if ($mode) {
|
|
$res['num_fields'] = $count;
|
|
}
|
|
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$tmp = @msql_fetch_field($id);
|
|
|
|
$flags = '';
|
|
if ($tmp->not_null) {
|
|
$flags .= 'not_null ';
|
|
}
|
|
if ($tmp->unique) {
|
|
$flags .= 'unique_key ';
|
|
}
|
|
$flags = trim($flags);
|
|
|
|
$res[$i] = array(
|
|
'table' => $case_func($tmp->table),
|
|
'name' => $case_func($tmp->name),
|
|
'type' => $tmp->type,
|
|
'len' => msql_field_len($id, $i),
|
|
'flags' => $flags,
|
|
);
|
|
|
|
if ($mode & DB_TABLEINFO_ORDER) {
|
|
$res['order'][$res[$i]['name']] = $i;
|
|
}
|
|
if ($mode & DB_TABLEINFO_ORDERTABLE) {
|
|
$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
|
|
}
|
|
}
|
|
|
|
// free the result only if we were called on a table
|
|
if ($got_string) {
|
|
@msql_free_result($id);
|
|
}
|
|
return $res;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getSpecialQuery()
|
|
|
|
/**
|
|
* Obtain a list of a given type of objects
|
|
*
|
|
* @param string $type the kind of objects you want to retrieve
|
|
*
|
|
* @return array the array containing the list of objects requested
|
|
*
|
|
* @access protected
|
|
* @see DB_common::getListOf()
|
|
*/
|
|
function getSpecialQuery($type)
|
|
{
|
|
switch ($type) {
|
|
case 'databases':
|
|
$id = @msql_list_dbs($this->connection);
|
|
break;
|
|
case 'tables':
|
|
$id = @msql_list_tables($this->dsn['database'],
|
|
$this->connection);
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
if (!$id) {
|
|
return $this->msqlRaiseError();
|
|
}
|
|
$out = array();
|
|
while ($row = @msql_fetch_row($id)) {
|
|
$out[] = $row[0];
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
// }}}
|
|
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
*/
|
|
|
|
?>
|