WebSVN – Applications.gtt – Diff – /trunk/bibliotheque/pear/DB/odbc.php


<?php
 
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
 
/**
 * The PEAR DB driver for PHP's odbc extension
 * for interacting with databases via ODBC connections
 *
 * 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     Stig Bakken <ssb@php.net>
 * @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 odbc extension
 * for interacting with databases via ODBC connections
 *
 * These methods overload the ones declared in DB_common.
 *
 * More info on ODBC errors could be found here:
 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/trblsql/tr_err_odbc_5stz.asp
 *
 * @category   Database
 * @package    DB
 * @author     Stig Bakken <ssb@php.net>
 * @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: 1.9.2
 * @link       http://pear.php.net/package/DB
 */
class DB_odbc extends DB_common
{
    // {{{ properties
 
    /**
     * The DB driver type (mysql, oci8, odbc, etc.)
     * @var string
     */
    var $phptype = 'odbc';
 
    /**
     * The database syntax variant to be used (db2, access, etc.), if any
     * @var string
     */
    var $dbsyntax = 'sql92';
 
    /**
     * 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
     *
     * NOTE: The feature set of the following drivers are different than
     * the default:
     *   + solid: 'transactions' = true
     *   + navision: 'limit' = false
     *
     * @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(
        '01004' => DB_ERROR_TRUNCATED,
        '07001' => DB_ERROR_MISMATCH,
        '21S01' => DB_ERROR_VALUE_COUNT_ON_ROW,
        '21S02' => DB_ERROR_MISMATCH,
        '22001' => DB_ERROR_INVALID,
        '22003' => DB_ERROR_INVALID_NUMBER,
        '22005' => DB_ERROR_INVALID_NUMBER,
        '22008' => DB_ERROR_INVALID_DATE,
        '22012' => DB_ERROR_DIVZERO,
        '23000' => DB_ERROR_CONSTRAINT,
        '23502' => DB_ERROR_CONSTRAINT_NOT_NULL,
        '23503' => DB_ERROR_CONSTRAINT,
        '23504' => DB_ERROR_CONSTRAINT,
        '23505' => DB_ERROR_CONSTRAINT,
        '24000' => DB_ERROR_INVALID,
        '34000' => DB_ERROR_INVALID,
        '37000' => DB_ERROR_SYNTAX,
        '42000' => DB_ERROR_SYNTAX,
        '42601' => DB_ERROR_SYNTAX,
        'IM001' => DB_ERROR_UNSUPPORTED,
        'S0000' => DB_ERROR_NOSUCHTABLE,
        'S0001' => DB_ERROR_ALREADY_EXISTS,
        'S0002' => DB_ERROR_NOSUCHTABLE,
        'S0011' => DB_ERROR_ALREADY_EXISTS,
        'S0012' => DB_ERROR_NOT_FOUND,
        'S0021' => DB_ERROR_ALREADY_EXISTS,
        'S0022' => DB_ERROR_NOSUCHFIELD,
        'S1009' => DB_ERROR_INVALID,
        'S1090' => DB_ERROR_INVALID,
        'S1C00' => DB_ERROR_NOT_CAPABLE,
    );
 
    /**
     * 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 number of rows affected by a data manipulation query
     * @var integer
     * @access private
     */
    var $affected = 0;
 
 
    // }}}
    // {{{ constructor
 
    /**
     * This constructor calls <kbd>parent::__construct()</kbd>
     *
     * @return void
     */
    function __construct()
    {
        parent::__construct();
    }
 
    // }}}
    // {{{ connect()
 
    /**
     * Connect to the database server, log in and open the database
     *
     * Don't call this method directly.  Use DB::connect() instead.
     *
     * PEAR DB's odbc driver supports the following extra DSN options:
     *   + cursor  The type of cursor to be used for this connection.
     *
     * @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('odbc')) {
            return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
        }
 
        $this->dsn = $dsn;
        if ($dsn['dbsyntax']) {
            $this->dbsyntax = $dsn['dbsyntax'];
        }
        switch ($this->dbsyntax) {
            case 'access':
            case 'db2':
            case 'solid':
                $this->features['transactions'] = true;
                break;
            case 'navision':
                $this->features['limit'] = false;
        }
 
        /*
         * This is hear for backwards compatibility. Should have been using
         * 'database' all along, but prior to 1.6.0RC3 'hostspec' was used.
         */
        if ($dsn['database']) {
            $odbcdsn = $dsn['database'];
        } elseif ($dsn['hostspec']) {
            $odbcdsn = $dsn['hostspec'];
        } else {
            $odbcdsn = 'localhost';
        }
 
        $connect_function = $persistent ? 'odbc_pconnect' : 'odbc_connect';
 
        if (empty($dsn['cursor'])) {
            $this->connection = @$connect_function($odbcdsn, $dsn['username'],
                                                   $dsn['password']);
        } else {
            $this->connection = @$connect_function($odbcdsn, $dsn['username'],
                                                   $dsn['password'],
                                                   $dsn['cursor']);
        }
 
        if (!is_resource($this->connection)) {
            return $this->raiseError(DB_ERROR_CONNECT_FAILED,
                                     null, null, null,
                                     $this->errorNative());
        }
        return DB_OK;
    }
 
    // }}}
    // {{{ disconnect()
 
    /**
     * Disconnects from the database server
     *
     * @return bool  TRUE on success, FALSE on failure
     */
    function disconnect()
    {
        $err = @odbc_close($this->connection);
        $this->connection = null;
        return $err;
    }
 
    // }}}
    // {{{ 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);
        $result = @odbc_exec($this->connection, $query);
        if (!$result) {
            return $this->odbcRaiseError(); // XXX ERRORMSG
        }
        // Determine which queries that should return data, and which
        // should return an error code only.
        if ($this->_checkManip($query)) {
            $this->affected = $result; // For affectedRows()
            return DB_OK;
        }
        $this->affected = 0;
        return $result;
    }
 
    // }}}
    // {{{ nextResult()
 
    /**
     * Move the internal odbc 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($result)
    {
        return @odbc_next_result($result);
    }
 
    // }}}
    // {{{ 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.
     *
     * @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)
    {
        $arr = array();
        if ($rownum !== null) {
            $rownum++; // ODBC first row is 1
            if (version_compare(phpversion(), '4.2.0', 'ge')) {
                $cols = @odbc_fetch_into($result, $arr, $rownum);
            } else {
                $cols = @odbc_fetch_into($result, $rownum, $arr);
            }
        } else {
            $cols = @odbc_fetch_into($result, $arr);
        }
        if (!$cols) {
            return null;
        }
        if ($fetchmode !== DB_FETCHMODE_ORDERED) {
            for ($i = 0; $i < count($arr); $i++) {
                $colName = @odbc_field_name($result, $i+1);
                $a[$colName] = $arr[$i];
            }
            if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
                $a = array_change_key_case($a, CASE_LOWER);
            }
            $arr = $a;
        }
        if ($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($result) ? odbc_free_result($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)
    {
        $cols = @odbc_num_fields($result);
        if (!$cols) {
            return $this->odbcRaiseError();
        }
        return $cols;
    }
 
    // }}}
    // {{{ affectedRows()
 
    /**
     * 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 (empty($this->affected)) {  // In case of SELECT stms
            return 0;
        }
        $nrows = @odbc_num_rows($this->affected);
        if ($nrows == -1) {
            return $this->odbcRaiseError();
        }
        return $nrows;
    }
 
    // }}}
    // {{{ numRows()
 
    /**
     * Gets the number of rows in a result set
     *
     * Not all ODBC drivers support this functionality.  If they don't
     * a DB_Error object for DB_ERROR_UNSUPPORTED is returned.
     *
     * 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)
    {
        $nrows = @odbc_num_rows($result);
        if ($nrows == -1) {
            return $this->odbcRaiseError(DB_ERROR_UNSUPPORTED);
        }
        if ($nrows === false) {
            return $this->odbcRaiseError();
        }
        return $nrows;
    }
 
    // }}}
    // {{{ quoteIdentifier()
 
    /**
     * Quotes a string so it can be safely used as a table or column name
     *
     * Use 'mssql' as the dbsyntax in the DB DSN only if you've unchecked
     * "Use ANSI quoted identifiers" when setting up the ODBC data source.
     *
     * @param string $str  identifier name to be quoted
     *
     * @return string  quoted identifier string
     *
     * @see DB_common::quoteIdentifier()
     * @since Method available since Release 1.6.0
     */
    function quoteIdentifier($str)
    {
        switch ($this->dsn['dbsyntax']) {
            case 'access':
                return '[' . $str . ']';
            case 'mssql':
            case 'sybase':
                return '[' . str_replace(']', ']]', $str) . ']';
            case 'mysql':
            case 'mysqli':
                return '`' . $str . '`';
            default:
                return '"' . str_replace('"', '""', $str) . '"';
        }
    }
 
 
 
 
 
 
 
 
 
 
 
 
 
    // }}}
    // {{{ nextId()
 
    /**
     * Returns the next free id in a sequence
     *
     * @param string  $seq_name  name of the sequence
     * @param boolean $ondemand  when true, the seqence is automatically
     *                            created if it does not exist
     *
     * @return int  the next id number in the sequence.
     *               A DB_Error object on failure.
     *
     * @see DB_common::nextID(), DB_common::getSequenceName(),
     *      DB_odbc::createSequence(), DB_odbc::dropSequence()
     */
    function nextId($seq_name, $ondemand = true)
    {
        $seqname = $this->getSequenceName($seq_name);
        $repeat = 0;
        do {
            $this->pushErrorHandling(PEAR_ERROR_RETURN);
            $result = $this->query("update ${seqname} set id = id + 1");
            $this->popErrorHandling();
            if ($ondemand && DB::isError($result) &&
                $result->getCode() == DB_ERROR_NOSUCHTABLE) {
                $repeat = 1;
                $this->pushErrorHandling(PEAR_ERROR_RETURN);
                $result = $this->createSequence($seq_name);
                $this->popErrorHandling();
                if (DB::isError($result)) {
                    return $this->raiseError($result);
                }
                $result = $this->query("insert into ${seqname} (id) values(0)");
            } else {
                $repeat = 0;
            }
        } while ($repeat);
 
        if (DB::isError($result)) {
            return $this->raiseError($result);
        }
 
        $result = $this->query("select id from ${seqname}");
        if (DB::isError($result)) {
            return $result;
        }
 
        $row = $result->fetchRow(DB_FETCHMODE_ORDERED);
        if (DB::isError($row || !$row)) {
            return $row;
        }
 
        return $row[0];
    }
 
    /**
     * Creates a new sequence
     *
     * @param string $seq_name  name of the new sequence
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     *
     * @see DB_common::createSequence(), DB_common::getSequenceName(),
     *      DB_odbc::nextID(), DB_odbc::dropSequence()
     */
    function createSequence($seq_name)
    {
        return $this->query('CREATE TABLE '
                            . $this->getSequenceName($seq_name)
                            . ' (id integer NOT NULL,'
                            . ' PRIMARY KEY(id))');
    }
 
    // }}}
    // {{{ dropSequence()
 
    /**
     * Deletes a sequence
     *
     * @param string $seq_name  name of the sequence to be deleted
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     *
     * @see DB_common::dropSequence(), DB_common::getSequenceName(),
     *      DB_odbc::nextID(), DB_odbc::createSequence()
     */
    function dropSequence($seq_name)
    {
        return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
    }
 
    // }}}
    // {{{ autoCommit()
 
    /**
     * Enables or disables automatic commits
     *
     * @param bool $onoff  true turns it on, false turns it off
     *
     * @return int  DB_OK on success.  A DB_Error object if the driver
     *               doesn't support auto-committing transactions.
     */
    function autoCommit($onoff = false)
    {
        if (!@odbc_autocommit($this->connection, $onoff)) {
            return $this->odbcRaiseError();
        }
        return DB_OK;
    }
 
    // }}}
    // {{{ commit()
 
    /**
     * Commits the current transaction
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     */
    function commit()
    {
        if (!@odbc_commit($this->connection)) {
            return $this->odbcRaiseError();
        }
        return DB_OK;
    }
 
    // }}}
    // {{{ rollback()
 
    /**
     * Reverts the current transaction
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     */
    function rollback()
    {
        if (!@odbc_rollback($this->connection)) {
            return $this->odbcRaiseError();
        }
        return DB_OK;
    }
 
    // }}}
    // {{{ odbcRaiseError()
 
    /**
     * Produces a DB_Error object regarding the current problem
     *
     * @param int $errno  if the error is being manually raised pass a
     *                     DB_ERROR* constant here.  If this isn't passed
     *                     the error information gathered from the DBMS.
     *
     * @return object  the DB_Error object
     *
     * @see DB_common::raiseError(),
     *      DB_odbc::errorNative(), DB_common::errorCode()
     */
    function odbcRaiseError($errno = null)
    {
        if ($errno === null) {
            switch ($this->dbsyntax) {
                case 'access':
                    if ($this->options['portability'] & DB_PORTABILITY_ERRORS) {
                        $this->errorcode_map['07001'] = DB_ERROR_NOSUCHFIELD;
                    } else {
                        // Doing this in case mode changes during runtime.
                        $this->errorcode_map['07001'] = DB_ERROR_MISMATCH;
                    }
 
                    $native_code = odbc_error($this->connection);
 
                    // S1000 is for "General Error."  Let's be more specific.
                    if ($native_code == 'S1000') {
                        $errormsg = odbc_errormsg($this->connection);
                        static $error_regexps;
                        if (!isset($error_regexps)) {
                            $error_regexps = array(
                                '/includes related records.$/i'  => DB_ERROR_CONSTRAINT,
                                '/cannot contain a Null value/i' => DB_ERROR_CONSTRAINT_NOT_NULL,
                            );
                        }
                        foreach ($error_regexps as $regexp => $code) {
                            if (preg_match($regexp, $errormsg)) {
                                return $this->raiseError($code,
                                        null, null, null,
                                        $native_code . ' ' . $errormsg);
                            }
                        }
                        $errno = DB_ERROR;
                    } else {
                        $errno = $this->errorCode($native_code);
                    }
                    break;
                default:
                    $errno = $this->errorCode(odbc_error($this->connection));
            }
        }
        return $this->raiseError($errno, null, null, null,
                                 $this->errorNative());
    }
 
    // }}}
    // {{{ errorNative()
 
    /**
     * Gets the DBMS' native error code and message produced by the last query
     *
     * @return string  the DBMS' error code and message
     */
    function errorNative()
    {
        if (!is_resource($this->connection)) {
            return @odbc_error() . ' ' . @odbc_errormsg();
        }
        return @odbc_error($this->connection) . ' ' . @odbc_errormsg($this->connection);
    }
 
    // }}}
    // {{{ 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            $mode    a valid tableInfo mode
     *
     * @return array  an associative array with the information requested.
     *                 A DB_Error object on failure.
     *
     * @see DB_common::tableInfo()
     * @since Method available since Release 1.7.0
     */
    function tableInfo($result, $mode = null)
    {
        if (is_string($result)) {
            /*
             * Probably received a table name.
             * Create a result resource identifier.
             */
            $id = @odbc_exec($this->connection, "SELECT * FROM $result");
            if (!$id) {
                return $this->odbcRaiseError();
            }
            $got_string = true;
        } elseif (isset($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->odbcRaiseError(DB_ERROR_NEED_MORE_DATA);
        }
 
        if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
            $case_func = 'strtolower';
        } else {
            $case_func = 'strval';
        }
 
        $count = @odbc_num_fields($id);
        $res   = array();
 
        if ($mode) {
            $res['num_fields'] = $count;
        }
 
        for ($i = 0; $i < $count; $i++) {
            $col = $i + 1;
            $res[$i] = array(
                'table' => $got_string ? $case_func($result) : '',
                'name'  => $case_func(@odbc_field_name($id, $col)),
                'type'  => @odbc_field_type($id, $col),
                'len'   => @odbc_field_len($id, $col),
                'flags' => '',
            );
            if ($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 ($got_string) {
            @odbc_free_result($id);
        }
        return $res;
    }
 
    // }}}
    // {{{ getSpecialQuery()
 
    /**
     * Obtains the query string needed for listing a given type of objects
     *
     * Thanks to symbol1@gmail.com and Philippe.Jausions@11abacus.com.
     *
     * @param string $type  the kind of objects you want to retrieve
     *
     * @return string  the list of objects requested
     *
     * @access protected
     * @see DB_common::getListOf()
     * @since Method available since Release 1.7.0
     */
    function getSpecialQuery($type)
    {
        switch ($type) {
            case 'databases':
                if (!function_exists('odbc_data_source')) {
                    return null;
                }
                $res = @odbc_data_source($this->connection, SQL_FETCH_FIRST);
                if (is_array($res)) {
                    $out = array($res['server']);
                    while($res = @odbc_data_source($this->connection,
                                                   SQL_FETCH_NEXT))
                    {
                        $out[] = $res['server'];
                    }
                    return $out;
                } else {
                    return $this->odbcRaiseError();
                }
                break;
            case 'tables':
            case 'schema.tables':
                $keep = 'TABLE';
                break;
            case 'views':
                $keep = 'VIEW';
                break;
            default:
                return null;
        }
 
        /*
         * Removing non-conforming items in the while loop rather than
         * in the odbc_tables() call because some backends choke on this:
         *     odbc_tables($this->connection, '', '', '', 'TABLE')
         */
        $res  = @odbc_tables($this->connection);
        if (!$res) {
            return $this->odbcRaiseError();
        }
        $out = array();
        while ($row = odbc_fetch_array($res)) {
            if ($row['TABLE_TYPE'] != $keep) {
                continue;
            }
            if ($type == 'schema.tables') {
                $out[] = $row['TABLE_SCHEM'] . '.' . $row['TABLE_NAME'];
            } else {
                $out[] = $row['TABLE_NAME'];
            }
        }
        return $out;
    }
 
    // }}}
 
}
 
/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 */
 
?>

Rev 94	Rev 187
1	`<?php`	1	`<?php`
2		2
3	`/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */`	3	`/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */`
4		4
5	`/**`	5	`/**`
6	`* The PEAR DB driver for PHP's odbc extension`	6	`* The PEAR DB driver for PHP's odbc extension`
7	`* for interacting with databases via ODBC connections`	7	`* for interacting with databases via ODBC connections`
8	`*`	8	`*`
9	`* PHP versions 4 and 5`	9	`* PHP version 5`
10	`*`	10	`*`
11	`* LICENSE: This source file is subject to version 3.0 of the PHP license`	11	`* LICENSE: This source file is subject to version 3.0 of the PHP license`
12	`* that is available through the world-wide-web at the following URI:`	12	`* that is available through the world-wide-web at the following URI:`
13	`* http://www.php.net/license/3_0.txt. If you did not receive a copy of`	13	`* http://www.php.net/license/3_0.txt. If you did not receive a copy of`
14	`* the PHP License and are unable to obtain it through the web, please`	14	`* the PHP License and are unable to obtain it through the web, please`
15	`* send a note to license@php.net so we can mail you a copy immediately.`	15	`* send a note to license@php.net so we can mail you a copy immediately.`
16	`*`	16	`*`
17	`* @category Database`	17	`* @category Database`
18	`* @package DB`	18	`* @package DB`
19	`* @author Stig Bakken <ssb@php.net>`	19	`* @author Stig Bakken <ssb@php.net>`
20	`* @author Daniel Convissor <danielc@php.net>`	20	`* @author Daniel Convissor <danielc@php.net>`
21	`* @copyright 1997-2005 The PHP Group`	21	`* @copyright 1997-2007 The PHP Group`
22	`* @license http://www.php.net/license/3_0.txt PHP License 3.0`	22	`* @license http://www.php.net/license/3_0.txt PHP License 3.0`
23	`* @version CVS: $Id: odbc.php,v 1.78 2005/02/28 01:42:17 danielc Exp $`	23	`* @version CVS: $Id$`
24	`* @link http://pear.php.net/package/DB`	24	`* @link http://pear.php.net/package/DB`
25	`*/`	25	`*/`
26		26
27	`/**`	27	`/**`
28	`* Obtain the DB_common class so it can be extended from`	28	`* Obtain the DB_common class so it can be extended from`
29	`*/`	29	`*/`
30	`require_once 'DB/common.php';`	30	`require_once 'DB/common.php';`
31		31
32	`/**`	32	`/**`
33	`* The methods PEAR DB uses to interact with PHP's odbc extension`	33	`* The methods PEAR DB uses to interact with PHP's odbc extension`
34	`* for interacting with databases via ODBC connections`	34	`* for interacting with databases via ODBC connections`
35	`*`	35	`*`
36	`* These methods overload the ones declared in DB_common.`	36	`* These methods overload the ones declared in DB_common.`
37	`*`	37	`*`
38	`* More info on ODBC errors could be found here:`	38	`* More info on ODBC errors could be found here:`
39	`* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/trblsql/tr_err_odbc_5stz.asp`	39	`* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/trblsql/tr_err_odbc_5stz.asp`
40	`*`	40	`*`
41	`* @category Database`	41	`* @category Database`
42	`* @package DB`	42	`* @package DB`
43	`* @author Stig Bakken <ssb@php.net>`	43	`* @author Stig Bakken <ssb@php.net>`
44	`* @author Daniel Convissor <danielc@php.net>`	44	`* @author Daniel Convissor <danielc@php.net>`
45	`* @copyright 1997-2005 The PHP Group`	45	`* @copyright 1997-2007 The PHP Group`
46	`* @license http://www.php.net/license/3_0.txt PHP License 3.0`	46	`* @license http://www.php.net/license/3_0.txt PHP License 3.0`
47	`* @version Release: 1.7.6`	47	`* @version Release: 1.9.2`
48	`* @link http://pear.php.net/package/DB`	48	`* @link http://pear.php.net/package/DB`
49	`*/`	49	`*/`
50	`class DB_odbc extends DB_common`	50	`class DB_odbc extends DB_common`
51	`{`	51	`{`
52	`// {{{ properties`	52	`// {{{ properties`
53		53
54	`/**`	54	`/**`
55	`* The DB driver type (mysql, oci8, odbc, etc.)`	55	`* The DB driver type (mysql, oci8, odbc, etc.)`
56	`* @var string`	56	`* @var string`
57	`*/`	57	`*/`
58	`var $phptype = 'odbc';`	58	`var $phptype = 'odbc';`
59		59
60	`/**`	60	`/**`
61	`* The database syntax variant to be used (db2, access, etc.), if any`	61	`* The database syntax variant to be used (db2, access, etc.), if any`
62	`* @var string`	62	`* @var string`
63	`*/`	63	`*/`
64	`var $dbsyntax = 'sql92';`	64	`var $dbsyntax = 'sql92';`
65		65
66	`/**`	66	`/**`
67	`* The capabilities of this DB implementation`	67	`* The capabilities of this DB implementation`
68	`*`	68	`*`
69	`* The 'new_link' element contains the PHP version that first provided`	69	`* The 'new_link' element contains the PHP version that first provided`
70	`* new_link support for this DBMS. Contains false if it's unsupported.`	70	`* new_link support for this DBMS. Contains false if it's unsupported.`
71	`*`	71	`*`
72	`* Meaning of the 'limit' element:`	72	`* Meaning of the 'limit' element:`
73	`* + 'emulate' = emulate with fetch row by number`	73	`* + 'emulate' = emulate with fetch row by number`
74	`* + 'alter' = alter the query`	74	`* + 'alter' = alter the query`
75	`* + false = skip rows`	75	`* + false = skip rows`
76	`*`	76	`*`
77	`* NOTE: The feature set of the following drivers are different than`	77	`* NOTE: The feature set of the following drivers are different than`
78	`* the default:`	78	`* the default:`
79	`* + solid: 'transactions' = true`	79	`* + solid: 'transactions' = true`
80	`* + navision: 'limit' = false`	80	`* + navision: 'limit' = false`
81	`*`	81	`*`
82	`* @var array`	82	`* @var array`
83	`*/`	83	`*/`
84	`var $features = array(`	84	`var $features = array(`
85	`'limit' => 'emulate',`	85	`'limit' => 'emulate',`
86	`'new_link' => false,`	86	`'new_link' => false,`
87	`'numrows' => true,`	87	`'numrows' => true,`
88	`'pconnect' => true,`	88	`'pconnect' => true,`
89	`'prepare' => false,`	89	`'prepare' => false,`
90	`'ssl' => false,`	90	`'ssl' => false,`
91	`'transactions' => false,`	91	`'transactions' => false,`
92	`);`	92	`);`
93		93
94	`/**`	94	`/**`
95	`* A mapping of native error codes to DB error codes`	95	`* A mapping of native error codes to DB error codes`
96	`* @var array`	96	`* @var array`
97	`*/`	97	`*/`
98	`var $errorcode_map = array(`	98	`var $errorcode_map = array(`
99	`'01004' => DB_ERROR_TRUNCATED,`	99	`'01004' => DB_ERROR_TRUNCATED,`
100	`'07001' => DB_ERROR_MISMATCH,`	100	`'07001' => DB_ERROR_MISMATCH,`
101	`'21S01' => DB_ERROR_VALUE_COUNT_ON_ROW,`	101	`'21S01' => DB_ERROR_VALUE_COUNT_ON_ROW,`
102	`'21S02' => DB_ERROR_MISMATCH,`	102	`'21S02' => DB_ERROR_MISMATCH,`
103	`'22001' => DB_ERROR_INVALID,`	103	`'22001' => DB_ERROR_INVALID,`
104	`'22003' => DB_ERROR_INVALID_NUMBER,`	104	`'22003' => DB_ERROR_INVALID_NUMBER,`
105	`'22005' => DB_ERROR_INVALID_NUMBER,`	105	`'22005' => DB_ERROR_INVALID_NUMBER,`
106	`'22008' => DB_ERROR_INVALID_DATE,`	106	`'22008' => DB_ERROR_INVALID_DATE,`
107	`'22012' => DB_ERROR_DIVZERO,`	107	`'22012' => DB_ERROR_DIVZERO,`
108	`'23000' => DB_ERROR_CONSTRAINT,`	108	`'23000' => DB_ERROR_CONSTRAINT,`
109	`'23502' => DB_ERROR_CONSTRAINT_NOT_NULL,`	109	`'23502' => DB_ERROR_CONSTRAINT_NOT_NULL,`
110	`'23503' => DB_ERROR_CONSTRAINT,`	110	`'23503' => DB_ERROR_CONSTRAINT,`
111	`'23504' => DB_ERROR_CONSTRAINT,`	111	`'23504' => DB_ERROR_CONSTRAINT,`
112	`'23505' => DB_ERROR_CONSTRAINT,`	112	`'23505' => DB_ERROR_CONSTRAINT,`
113	`'24000' => DB_ERROR_INVALID,`	113	`'24000' => DB_ERROR_INVALID,`
114	`'34000' => DB_ERROR_INVALID,`	114	`'34000' => DB_ERROR_INVALID,`
115	`'37000' => DB_ERROR_SYNTAX,`	115	`'37000' => DB_ERROR_SYNTAX,`
116	`'42000' => DB_ERROR_SYNTAX,`	116	`'42000' => DB_ERROR_SYNTAX,`
117	`'42601' => DB_ERROR_SYNTAX,`	117	`'42601' => DB_ERROR_SYNTAX,`
118	`'IM001' => DB_ERROR_UNSUPPORTED,`	118	`'IM001' => DB_ERROR_UNSUPPORTED,`
119	`'S0000' => DB_ERROR_NOSUCHTABLE,`	119	`'S0000' => DB_ERROR_NOSUCHTABLE,`
120	`'S0001' => DB_ERROR_ALREADY_EXISTS,`	120	`'S0001' => DB_ERROR_ALREADY_EXISTS,`
121	`'S0002' => DB_ERROR_NOSUCHTABLE,`	121	`'S0002' => DB_ERROR_NOSUCHTABLE,`
122	`'S0011' => DB_ERROR_ALREADY_EXISTS,`	122	`'S0011' => DB_ERROR_ALREADY_EXISTS,`
123	`'S0012' => DB_ERROR_NOT_FOUND,`	123	`'S0012' => DB_ERROR_NOT_FOUND,`
124	`'S0021' => DB_ERROR_ALREADY_EXISTS,`	124	`'S0021' => DB_ERROR_ALREADY_EXISTS,`
125	`'S0022' => DB_ERROR_NOSUCHFIELD,`	125	`'S0022' => DB_ERROR_NOSUCHFIELD,`
126	`'S1009' => DB_ERROR_INVALID,`	126	`'S1009' => DB_ERROR_INVALID,`
127	`'S1090' => DB_ERROR_INVALID,`	127	`'S1090' => DB_ERROR_INVALID,`
128	`'S1C00' => DB_ERROR_NOT_CAPABLE,`	128	`'S1C00' => DB_ERROR_NOT_CAPABLE,`
129	`);`	129	`);`
130		130
131	`/**`	131	`/**`
132	`* The raw database connection created by PHP`	132	`* The raw database connection created by PHP`
133	`* @var resource`	133	`* @var resource`
134	`*/`	134	`*/`
135	`var $connection;`	135	`var $connection;`
136		136
137	`/**`	137	`/**`
138	`* The DSN information for connecting to a database`	138	`* The DSN information for connecting to a database`
139	`* @var array`	139	`* @var array`
140	`*/`	140	`*/`
141	`var $dsn = array();`	141	`var $dsn = array();`
142		142
143		143
144	`/**`	144	`/**`
145	`* The number of rows affected by a data manipulation query`	145	`* The number of rows affected by a data manipulation query`
146	`* @var integer`	146	`* @var integer`
147	`* @access private`	147	`* @access private`
148	`*/`	148	`*/`
149	`var $affected = 0;`	149	`var $affected = 0;`
150		150
151		151
152	`// }}}`	152	`// }}}`
153	`// {{{ constructor`	153	`// {{{ constructor`
154		154
155	`/**`	155	`/**`
156	`* This constructor calls <kbd>$this->DB_common()</kbd>`	156	`* This constructor calls <kbd>parent::__construct()</kbd>`
157	`*`	157	`*`
158	`* @return void`	158	`* @return void`
159	`*/`	159	`*/`
160	`function DB_odbc()`	160	`function __construct()`
161	`{`	161	`{`
162	`$this->DB_common();`	162	`parent::__construct();`
163	`}`	163	`}`
164		164
165	`// }}}`	165	`// }}}`
166	`// {{{ connect()`	166	`// {{{ connect()`
167		167
168	`/**`	168	`/**`
169	`* Connect to the database server, log in and open the database`	169	`* Connect to the database server, log in and open the database`
170	`*`	170	`*`
171	`* Don't call this method directly. Use DB::connect() instead.`	171	`* Don't call this method directly. Use DB::connect() instead.`
172	`*`	172	`*`
173	`* PEAR DB's odbc driver supports the following extra DSN options:`	173	`* PEAR DB's odbc driver supports the following extra DSN options:`
174	`* + cursor The type of cursor to be used for this connection.`	174	`* + cursor The type of cursor to be used for this connection.`
175	`*`	175	`*`
176	`* @param array $dsn the data source name`	176	`* @param array $dsn the data source name`
177	`* @param bool $persistent should the connection be persistent?`	177	`* @param bool $persistent should the connection be persistent?`
178	`*`	178	`*`
179	`* @return int DB_OK on success. A DB_Error object on failure.`	179	`* @return int DB_OK on success. A DB_Error object on failure.`
180	`*/`	180	`*/`
181	`function connect($dsn, $persistent = false)`	181	`function connect($dsn, $persistent = false)`
182	`{`	182	`{`
183	`if (!PEAR::loadExtension('odbc')) {`	183	`if (!PEAR::loadExtension('odbc')) {`
184	`return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);`	184	`return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);`
185	`}`	185	`}`
186		186
187	`$this->dsn = $dsn;`	187	`$this->dsn = $dsn;`
188	`if ($dsn['dbsyntax']) {`	188	`if ($dsn['dbsyntax']) {`
189	`$this->dbsyntax = $dsn['dbsyntax'];`	189	`$this->dbsyntax = $dsn['dbsyntax'];`
190	`}`	190	`}`
191	`switch ($this->dbsyntax) {`	191	`switch ($this->dbsyntax) {`
192	`case 'access':`	192	`case 'access':`
193	`case 'db2':`	193	`case 'db2':`
194	`case 'solid':`	194	`case 'solid':`
195	`$this->features['transactions'] = true;`	195	`$this->features['transactions'] = true;`
196	`break;`	196	`break;`
197	`case 'navision':`	197	`case 'navision':`
198	`$this->features['limit'] = false;`	198	`$this->features['limit'] = false;`
199	`}`	199	`}`
200		200
201	`/*`	201	`/*`
202	`* This is hear for backwards compatibility. Should have been using`	202	`* This is hear for backwards compatibility. Should have been using`
203	`* 'database' all along, but prior to 1.6.0RC3 'hostspec' was used.`	203	`* 'database' all along, but prior to 1.6.0RC3 'hostspec' was used.`
204	`*/`	204	`*/`
205	`if ($dsn['database']) {`	205	`if ($dsn['database']) {`
206	`$odbcdsn = $dsn['database'];`	206	`$odbcdsn = $dsn['database'];`
207	`} elseif ($dsn['hostspec']) {`	207	`} elseif ($dsn['hostspec']) {`
208	`$odbcdsn = $dsn['hostspec'];`	208	`$odbcdsn = $dsn['hostspec'];`
209	`} else {`	209	`} else {`
210	`$odbcdsn = 'localhost';`	210	`$odbcdsn = 'localhost';`
211	`}`	211	`}`
212		212
213	`$connect_function = $persistent ? 'odbc_pconnect' : 'odbc_connect';`	213	`$connect_function = $persistent ? 'odbc_pconnect' : 'odbc_connect';`
214		214
215	`if (empty($dsn['cursor'])) {`	215	`if (empty($dsn['cursor'])) {`
216	`$this->connection = @$connect_function($odbcdsn, $dsn['username'],`	216	`$this->connection = @$connect_function($odbcdsn, $dsn['username'],`
217	`$dsn['password']);`	217	`$dsn['password']);`
218	`} else {`	218	`} else {`
219	`$this->connection = @$connect_function($odbcdsn, $dsn['username'],`	219	`$this->connection = @$connect_function($odbcdsn, $dsn['username'],`
220	`$dsn['password'],`	220	`$dsn['password'],`
221	`$dsn['cursor']);`	221	`$dsn['cursor']);`
222	`}`	222	`}`
223		223
224	`if (!is_resource($this->connection)) {`	224	`if (!is_resource($this->connection)) {`
225	`return $this->raiseError(DB_ERROR_CONNECT_FAILED,`	225	`return $this->raiseError(DB_ERROR_CONNECT_FAILED,`
226	`null, null, null,`	226	`null, null, null,`
227	`$this->errorNative());`	227	`$this->errorNative());`
228	`}`	228	`}`
229	`return DB_OK;`	229	`return DB_OK;`
230	`}`	230	`}`
231		231
232	`// }}}`	232	`// }}}`
233	`// {{{ disconnect()`	233	`// {{{ disconnect()`
234		234
235	`/**`	235	`/**`
236	`* Disconnects from the database server`	236	`* Disconnects from the database server`
237	`*`	237	`*`
238	`* @return bool TRUE on success, FALSE on failure`	238	`* @return bool TRUE on success, FALSE on failure`
239	`*/`	239	`*/`
240	`function disconnect()`	240	`function disconnect()`
241	`{`	241	`{`
242	`$err = @odbc_close($this->connection);`	242	`$err = @odbc_close($this->connection);`
243	`$this->connection = null;`	243	`$this->connection = null;`
244	`return $err;`	244	`return $err;`
245	`}`	245	`}`
246		246
247	`// }}}`	247	`// }}}`
248	`// {{{ simpleQuery()`	248	`// {{{ simpleQuery()`
249		249
250	`/**`	250	`/**`
251	`* Sends a query to the database server`	251	`* Sends a query to the database server`
252	`*`	252	`*`
253	`* @param string the SQL query string`	253	`* @param string the SQL query string`
254	`*`	254	`*`
255	`* @return mixed + a PHP result resrouce for successful SELECT queries`	255	`* @return mixed + a PHP result resrouce for successful SELECT queries`
256	`* + the DB_OK constant for other successful queries`	256	`* + the DB_OK constant for other successful queries`
257	`* + a DB_Error object on failure`	257	`* + a DB_Error object on failure`
258	`*/`	258	`*/`
259	`function simpleQuery($query)`	259	`function simpleQuery($query)`
260	`{`	260	`{`
261	`$this->last_query = $query;`	261	`$this->last_query = $query;`
262	`$query = $this->modifyQuery($query);`	262	`$query = $this->modifyQuery($query);`
263	`$result = @odbc_exec($this->connection, $query);`	263	`$result = @odbc_exec($this->connection, $query);`
264	`if (!$result) {`	264	`if (!$result) {`
265	`return $this->odbcRaiseError(); // XXX ERRORMSG`	265	`return $this->odbcRaiseError(); // XXX ERRORMSG`
266	`}`	266	`}`
267	`// Determine which queries that should return data, and which`	267	`// Determine which queries that should return data, and which`
268	`// should return an error code only.`	268	`// should return an error code only.`
269	`if (DB::isManip($query)) {`	269	`if ($this->_checkManip($query)) {`
270	`$this->affected = $result; // For affectedRows()`	270	`$this->affected = $result; // For affectedRows()`
271	`return DB_OK;`	271	`return DB_OK;`
272	`}`	272	`}`
273	`$this->affected = 0;`	273	`$this->affected = 0;`
274	`return $result;`	274	`return $result;`
275	`}`	275	`}`
276		276
277	`// }}}`	277	`// }}}`
278	`// {{{ nextResult()`	278	`// {{{ nextResult()`
279		279
280	`/**`	280	`/**`
281	`* Move the internal odbc result pointer to the next available result`	281	`* Move the internal odbc result pointer to the next available result`
282	`*`	282	`*`
283	`* @param a valid fbsql result resource`	283	`* @param a valid fbsql result resource`
284	`*`	284	`*`
285	`* @access public`	285	`* @access public`
286	`*`	286	`*`
287	`* @return true if a result is available otherwise return false`	287	`* @return true if a result is available otherwise return false`
288	`*/`	288	`*/`
289	`function nextResult($result)`	289	`function nextResult($result)`
290	`{`	290	`{`
291	`return @odbc_next_result($result);`	291	`return @odbc_next_result($result);`
292	`}`	292	`}`
293		293
294	`// }}}`	294	`// }}}`
295	`// {{{ fetchInto()`	295	`// {{{ fetchInto()`
296		296
297	`/**`	297	`/**`
298	`* Places a row from the result set into the given array`	298	`* Places a row from the result set into the given array`
299	`*`	299	`*`
300	`* Formating of the array and the data therein are configurable.`	300	`* Formating of the array and the data therein are configurable.`
301	`* See DB_result::fetchInto() for more information.`	301	`* See DB_result::fetchInto() for more information.`
302	`*`	302	`*`
303	`* This method is not meant to be called directly. Use`	303	`* This method is not meant to be called directly. Use`
304	`* DB_result::fetchInto() instead. It can't be declared "protected"`	304	`* DB_result::fetchInto() instead. It can't be declared "protected"`
305	`* because DB_result is a separate object.`	305	`* because DB_result is a separate object.`
306	`*`	306	`*`
307	`* @param resource $result the query result resource`	307	`* @param resource $result the query result resource`
308	`* @param array $arr the referenced array to put the data in`	308	`* @param array $arr the referenced array to put the data in`
309	`* @param int $fetchmode how the resulting array should be indexed`	309	`* @param int $fetchmode how the resulting array should be indexed`
310	`* @param int $rownum the row number to fetch (0 = first row)`	310	`* @param int $rownum the row number to fetch (0 = first row)`
311	`*`	311	`*`
312	`* @return mixed DB_OK on success, NULL when the end of a result set is`	312	`* @return mixed DB_OK on success, NULL when the end of a result set is`
313	`* reached or on failure`	313	`* reached or on failure`
314	`*`	314	`*`
315	`* @see DB_result::fetchInto()`	315	`* @see DB_result::fetchInto()`
316	`*/`	316	`*/`
317	`function fetchInto($result, &$arr, $fetchmode, $rownum = null)`	317	`function fetchInto($result, &$arr, $fetchmode, $rownum = null)`
318	`{`	318	`{`
319	`$arr = array();`	319	`$arr = array();`
320	`if ($rownum !== null) {`	320	`if ($rownum !== null) {`
321	`$rownum++; // ODBC first row is 1`	321	`$rownum++; // ODBC first row is 1`
322	`if (version_compare(phpversion(), '4.2.0', 'ge')) {`	322	`if (version_compare(phpversion(), '4.2.0', 'ge')) {`
323	`$cols = @odbc_fetch_into($result, $arr, $rownum);`	323	`$cols = @odbc_fetch_into($result, $arr, $rownum);`
324	`} else {`	324	`} else {`
325	`$cols = @odbc_fetch_into($result, $rownum, $arr);`	325	`$cols = @odbc_fetch_into($result, $rownum, $arr);`
326	`}`	326	`}`
327	`} else {`	327	`} else {`
328	`$cols = @odbc_fetch_into($result, $arr);`	328	`$cols = @odbc_fetch_into($result, $arr);`
329	`}`	329	`}`
330	`if (!$cols) {`	330	`if (!$cols) {`
331	`return null;`	331	`return null;`
332	`}`	332	`}`
333	`if ($fetchmode !== DB_FETCHMODE_ORDERED) {`	333	`if ($fetchmode !== DB_FETCHMODE_ORDERED) {`
334	`for ($i = 0; $i < count($arr); $i++) {`	334	`for ($i = 0; $i < count($arr); $i++) {`
335	`$colName = @odbc_field_name($result, $i+1);`	335	`$colName = @odbc_field_name($result, $i+1);`
336	`$a[$colName] = $arr[$i];`	336	`$a[$colName] = $arr[$i];`
337	`}`	337	`}`
338	`if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {`	338	`if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {`
339	`$a = array_change_key_case($a, CASE_LOWER);`	339	`$a = array_change_key_case($a, CASE_LOWER);`
340	`}`	340	`}`
341	`$arr = $a;`	341	`$arr = $a;`
342	`}`	342	`}`
343	`if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {`	343	`if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {`
344	`$this->_rtrimArrayValues($arr);`	344	`$this->_rtrimArrayValues($arr);`
345	`}`	345	`}`
346	`if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {`	346	`if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {`
347	`$this->_convertNullArrayValuesToEmpty($arr);`	347	`$this->_convertNullArrayValuesToEmpty($arr);`
348	`}`	348	`}`
349	`return DB_OK;`	349	`return DB_OK;`
350	`}`	350	`}`
351		351
352	`// }}}`	352	`// }}}`
353	`// {{{ freeResult()`	353	`// {{{ freeResult()`
354		354
355	`/**`	355	`/**`
356	`* Deletes the result set and frees the memory occupied by the result set`	356	`* Deletes the result set and frees the memory occupied by the result set`
357	`*`	357	`*`
358	`* This method is not meant to be called directly. Use`	358	`* This method is not meant to be called directly. Use`
359	`* DB_result::free() instead. It can't be declared "protected"`	359	`* DB_result::free() instead. It can't be declared "protected"`
360	`* because DB_result is a separate object.`	360	`* because DB_result is a separate object.`
361	`*`	361	`*`
362	`* @param resource $result PHP's query result resource`	362	`* @param resource $result PHP's query result resource`
363	`*`	363	`*`
364	`* @return bool TRUE on success, FALSE if $result is invalid`	364	`* @return bool TRUE on success, FALSE if $result is invalid`
365	`*`	365	`*`
366	`* @see DB_result::free()`	366	`* @see DB_result::free()`
367	`*/`	367	`*/`
368	`function freeResult($result)`	368	`function freeResult($result)`
369	`{`	369	`{`
370	`return @odbc_free_result($result);`	370	`return is_resource($result) ? odbc_free_result($result) : false;`
371	`}`	371	`}`
372		372
373	`// }}}`	373	`// }}}`
374	`// {{{ numCols()`	374	`// {{{ numCols()`
375		375
376	`/**`	376	`/**`
377	`* Gets the number of columns in a result set`	377	`* Gets the number of columns in a result set`
378	`*`	378	`*`
379	`* This method is not meant to be called directly. Use`	379	`* This method is not meant to be called directly. Use`
380	`* DB_result::numCols() instead. It can't be declared "protected"`	380	`* DB_result::numCols() instead. It can't be declared "protected"`
381	`* because DB_result is a separate object.`	381	`* because DB_result is a separate object.`
382	`*`	382	`*`
383	`* @param resource $result PHP's query result resource`	383	`* @param resource $result PHP's query result resource`
384	`*`	384	`*`
385	`* @return int the number of columns. A DB_Error object on failure.`	385	`* @return int the number of columns. A DB_Error object on failure.`
386	`*`	386	`*`
387	`* @see DB_result::numCols()`	387	`* @see DB_result::numCols()`
388	`*/`	388	`*/`
389	`function numCols($result)`	389	`function numCols($result)`
390	`{`	390	`{`
391	`$cols = @odbc_num_fields($result);`	391	`$cols = @odbc_num_fields($result);`
392	`if (!$cols) {`	392	`if (!$cols) {`
393	`return $this->odbcRaiseError();`	393	`return $this->odbcRaiseError();`
394	`}`	394	`}`
395	`return $cols;`	395	`return $cols;`
396	`}`	396	`}`
397		397
398	`// }}}`	398	`// }}}`
399	`// {{{ affectedRows()`	399	`// {{{ affectedRows()`
400		400
401	`/**`	401	`/**`
402	`* Determines the number of rows affected by a data maniuplation query`	402	`* Determines the number of rows affected by a data maniuplation query`
403	`*`	403	`*`
404	`* 0 is returned for queries that don't manipulate data.`	404	`* 0 is returned for queries that don't manipulate data.`
405	`*`	405	`*`
406	`* @return int the number of rows. A DB_Error object on failure.`	406	`* @return int the number of rows. A DB_Error object on failure.`
407	`*/`	407	`*/`
408	`function affectedRows()`	408	`function affectedRows()`
409	`{`	409	`{`
410	`if (empty($this->affected)) { // In case of SELECT stms`	410	`if (empty($this->affected)) { // In case of SELECT stms`
411	`return 0;`	411	`return 0;`
412	`}`	412	`}`
413	`$nrows = @odbc_num_rows($this->affected);`	413	`$nrows = @odbc_num_rows($this->affected);`
414	`if ($nrows == -1) {`	414	`if ($nrows == -1) {`
415	`return $this->odbcRaiseError();`	415	`return $this->odbcRaiseError();`
416	`}`	416	`}`
417	`return $nrows;`	417	`return $nrows;`
418	`}`	418	`}`
419		419
420	`// }}}`	420	`// }}}`
421	`// {{{ numRows()`	421	`// {{{ numRows()`
422		422
423	`/**`	423	`/**`
424	`* Gets the number of rows in a result set`	424	`* Gets the number of rows in a result set`
425	`*`	425	`*`
426	`* Not all ODBC drivers support this functionality. If they don't`	426	`* Not all ODBC drivers support this functionality. If they don't`
427	`* a DB_Error object for DB_ERROR_UNSUPPORTED is returned.`	427	`* a DB_Error object for DB_ERROR_UNSUPPORTED is returned.`
428	`*`	428	`*`
429	`* This method is not meant to be called directly. Use`	429	`* This method is not meant to be called directly. Use`
430	`* DB_result::numRows() instead. It can't be declared "protected"`	430	`* DB_result::numRows() instead. It can't be declared "protected"`
431	`* because DB_result is a separate object.`	431	`* because DB_result is a separate object.`
432	`*`	432	`*`
433	`* @param resource $result PHP's query result resource`	433	`* @param resource $result PHP's query result resource`
434	`*`	434	`*`
435	`* @return int the number of rows. A DB_Error object on failure.`	435	`* @return int the number of rows. A DB_Error object on failure.`
436	`*`	436	`*`
437	`* @see DB_result::numRows()`	437	`* @see DB_result::numRows()`
438	`*/`	438	`*/`
439	`function numRows($result)`	439	`function numRows($result)`
440	`{`	440	`{`
441	`$nrows = @odbc_num_rows($result);`	441	`$nrows = @odbc_num_rows($result);`
442	`if ($nrows == -1) {`	442	`if ($nrows == -1) {`
443	`return $this->odbcRaiseError(DB_ERROR_UNSUPPORTED);`	443	`return $this->odbcRaiseError(DB_ERROR_UNSUPPORTED);`
444	`}`	444	`}`
445	`if ($nrows === false) {`	445	`if ($nrows === false) {`
446	`return $this->odbcRaiseError();`	446	`return $this->odbcRaiseError();`
447	`}`	447	`}`
448	`return $nrows;`	448	`return $nrows;`
449	`}`	449	`}`
450		450
451	`// }}}`	451	`// }}}`
452	`// {{{ quoteIdentifier()`	452	`// {{{ quoteIdentifier()`
453		453
454	`/**`	454	`/**`
455	`* Quotes a string so it can be safely used as a table or column name`	455	`* Quotes a string so it can be safely used as a table or column name`
456	`*`	456	`*`
457	`* Use 'mssql' as the dbsyntax in the DB DSN only if you've unchecked`	457	`* Use 'mssql' as the dbsyntax in the DB DSN only if you've unchecked`
458	`* "Use ANSI quoted identifiers" when setting up the ODBC data source.`	458	`* "Use ANSI quoted identifiers" when setting up the ODBC data source.`
459	`*`	459	`*`
460	`* @param string $str identifier name to be quoted`	460	`* @param string $str identifier name to be quoted`
461	`*`	461	`*`
462	`* @return string quoted identifier string`	462	`* @return string quoted identifier string`
463	`*`	463	`*`
464	`* @see DB_common::quoteIdentifier()`	464	`* @see DB_common::quoteIdentifier()`
465	`* @since Method available since Release 1.6.0`	465	`* @since Method available since Release 1.6.0`
466	`*/`	466	`*/`
467	`function quoteIdentifier($str)`	467	`function quoteIdentifier($str)`
468	`{`	468	`{`
469	`switch ($this->dsn['dbsyntax']) {`	469	`switch ($this->dsn['dbsyntax']) {`
470	`case 'access':`	470	`case 'access':`
471	`return '[' . $str . ']';`	471	`return '[' . $str . ']';`
472	`case 'mssql':`	472	`case 'mssql':`
473	`case 'sybase':`	473	`case 'sybase':`
474	`return '[' . str_replace(']', ']]', $str) . ']';`	474	`return '[' . str_replace(']', ']]', $str) . ']';`
475	`case 'mysql':`	475	`case 'mysql':`
476	`case 'mysqli':`	476	`case 'mysqli':`
477	return '`' . $str . '`';	477	return '`' . $str . '`';
478	`default:`	478	`default:`
479	`return '"' . str_replace('"', '""', $str) . '"';`	479	`return '"' . str_replace('"', '""', $str) . '"';`
480	`}`	480	`}`
481	`}`	481	`}`
482		-
483	`// }}}`	-
484	`// {{{ quote()`	-
485		-
486	`/**`	-
487	`* @deprecated Deprecated in release 1.6.0`	-
488	`* @internal`	-
489	`*/`	-
490	`function quote($str)`	-
491	`{`	-
492	`return $this->quoteSmart($str);`	-
493	`}`	-
494		482
495	`// }}}`	483	`// }}}`
496	`// {{{ nextId()`	484	`// {{{ nextId()`
497		485
498	`/**`	486	`/**`
499	`* Returns the next free id in a sequence`	487	`* Returns the next free id in a sequence`
500	`*`	488	`*`

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