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<?php/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: *//*** The PEAR DB driver for PHP's interbase extension* for interacting with Interbase and Firebird databases** While this class works with PHP 4, PHP's InterBase extension is* unstable in PHP 4. Use PHP 5.** PHP versions 4 and 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 Sterling Hughes <sterling@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: ibase.php,v 1.1 2008/07/07 18:00:39 mrflos Exp $* @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 interbase extension* for interacting with Interbase and Firebird databases** These methods overload the ones declared in DB_common.** While this class works with PHP 4, PHP's InterBase extension is* unstable in PHP 4. Use PHP 5.** NOTICE: limitQuery() only works for Firebird.** @category Database* @package DB* @author Sterling Hughes <sterling@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: 1.7.14RC1* @link http://pear.php.net/package/DB* @since Class became stable in Release 1.7.0*/class DB_ibase extends DB_common{// {{{ properties/*** The DB driver type (mysql, oci8, odbc, etc.)* @var string*/var $phptype = 'ibase';/*** The database syntax variant to be used (db2, access, etc.), if any* @var string*/var $dbsyntax = 'ibase';/*** 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: only firebird supports limit.** @var array*/var $features = array('limit' => false,'new_link' => false,'numrows' => 'emulate','pconnect' => true,'prepare' => true,'ssl' => false,'transactions' => true,);/*** A mapping of native error codes to DB error codes* @var array*/var $errorcode_map = array(-104 => DB_ERROR_SYNTAX,-150 => DB_ERROR_ACCESS_VIOLATION,-151 => DB_ERROR_ACCESS_VIOLATION,-155 => DB_ERROR_NOSUCHTABLE,-157 => DB_ERROR_NOSUCHFIELD,-158 => DB_ERROR_VALUE_COUNT_ON_ROW,-170 => DB_ERROR_MISMATCH,-171 => DB_ERROR_MISMATCH,-172 => DB_ERROR_INVALID,// -204 => // Covers too many errors, need to use regex on msg-205 => DB_ERROR_NOSUCHFIELD,-206 => DB_ERROR_NOSUCHFIELD,-208 => DB_ERROR_INVALID,-219 => DB_ERROR_NOSUCHTABLE,-297 => DB_ERROR_CONSTRAINT,-303 => DB_ERROR_INVALID,-413 => DB_ERROR_INVALID_NUMBER,-530 => DB_ERROR_CONSTRAINT,-551 => DB_ERROR_ACCESS_VIOLATION,-552 => DB_ERROR_ACCESS_VIOLATION,// -607 => // Covers too many errors, need to use regex on msg-625 => DB_ERROR_CONSTRAINT_NOT_NULL,-803 => DB_ERROR_CONSTRAINT,-804 => DB_ERROR_VALUE_COUNT_ON_ROW,// -902 => // Covers too many errors, need to use regex on msg-904 => DB_ERROR_CONNECT_FAILED,-922 => DB_ERROR_NOSUCHDB,-923 => DB_ERROR_CONNECT_FAILED,-924 => DB_ERROR_CONNECT_FAILED);/*** 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;/*** Should data manipulation queries be committed automatically?* @var bool* @access private*/var $autocommit = true;/*** The prepared statement handle from the most recently executed statement** {@internal Mainly here because the InterBase/Firebird API is only* able to retrieve data from result sets if the statemnt handle is* still in scope.}}** @var resource*/var $last_stmt;/*** Is the given prepared statement a data manipulation query?* @var array* @access private*/var $manip_query = array();// }}}// {{{ constructor/*** This constructor calls <kbd>$this->DB_common()</kbd>** @return void*/function DB_ibase(){$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.** PEAR DB's ibase driver supports the following extra DSN options:* + buffers The number of database buffers to allocate for the* server-side cache.* + charset The default character set for a database.* + dialect The default SQL dialect for any statement* executed within a connection. Defaults to the* highest one supported by client libraries.* Functional only with InterBase 6 and up.* + role Functional only with InterBase 5 and up.** @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('interbase')) {return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);}$this->dsn = $dsn;if ($dsn['dbsyntax']) {$this->dbsyntax = $dsn['dbsyntax'];}if ($this->dbsyntax == 'firebird') {$this->features['limit'] = 'alter';}$params = array($dsn['hostspec']? ($dsn['hostspec'] . ':' . $dsn['database']): $dsn['database'],$dsn['username'] ? $dsn['username'] : null,$dsn['password'] ? $dsn['password'] : null,isset($dsn['charset']) ? $dsn['charset'] : null,isset($dsn['buffers']) ? $dsn['buffers'] : null,isset($dsn['dialect']) ? $dsn['dialect'] : null,isset($dsn['role']) ? $dsn['role'] : null,);$connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect';$this->connection = @call_user_func_array($connect_function, $params);if (!$this->connection) {return $this->ibaseRaiseError(DB_ERROR_CONNECT_FAILED);}return DB_OK;}// }}}// {{{ disconnect()/*** Disconnects from the database server** @return bool TRUE on success, FALSE on failure*/function disconnect(){$ret = @ibase_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){$ismanip = $this->_checkManip($query);$this->last_query = $query;$query = $this->modifyQuery($query);$result = @ibase_query($this->connection, $query);if (!$result) {return $this->ibaseRaiseError();}if ($this->autocommit && $ismanip) {@ibase_commit($this->connection);}if ($ismanip) {$this->affected = $result;return DB_OK;} else {$this->affected = 0;return $result;}}// }}}// {{{ modifyLimitQuery()/*** Adds LIMIT clauses to a query string according to current DBMS standards** Only works with Firebird.** @param string $query the query to modify* @param int $from the row to start to fetching (0 = the first row)* @param int $count the numbers of rows to fetch* @param mixed $params array, string or numeric data to be used in* execution of the statement. Quantity of items* passed must match quantity of placeholders in* query: meaning 1 placeholder for non-array* parameters or 1 placeholder per array element.** @return string the query string with LIMIT clauses added** @access protected*/function modifyLimitQuery($query, $from, $count, $params = array()){if ($this->dsn['dbsyntax'] == 'firebird') {$query = preg_replace('/^([\s(])*SELECT/i',"SELECT FIRST $count SKIP $from", $query);}return $query;}// }}}// {{{ nextResult()/*** Move the internal ibase result pointer to the next available result** @param a valid fbsql result resource** @access public** @return true if a result is available otherwise return false*/function nextResult($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.** @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) {return $this->ibaseRaiseError(DB_ERROR_NOT_CAPABLE);}if ($fetchmode & DB_FETCHMODE_ASSOC) {if (function_exists('ibase_fetch_assoc')) {$arr = @ibase_fetch_assoc($result);} else {$arr = get_object_vars(ibase_fetch_object($result));}if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {$arr = array_change_key_case($arr, CASE_LOWER);}} else {$arr = @ibase_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($result) ? ibase_free_result($result) : false;}// }}}// {{{ freeQuery()function freeQuery($query){return is_resource($query) ? ibase_free_query($query) : false;}// }}}// {{{ affectedRows()/*** Determines the number of rows affected by a data maniuplation query** 0 is returned for queries that don't manipulate data.** @return int the number of rows. A DB_Error object on failure.*/function affectedRows(){if (is_integer($this->affected)) {return $this->affected;}return $this->ibaseRaiseError(DB_ERROR_NOT_CAPABLE);}// }}}// {{{ 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){$cols = @ibase_num_fields($result);if (!$cols) {return $this->ibaseRaiseError();}return $cols;}// }}}// {{{ prepare()/*** Prepares a query for multiple execution with execute().** prepare() requires a generic query as string like <code>* INSERT INTO numbers VALUES (?, ?, ?)* </code>. The <kbd>?</kbd> characters are placeholders.** Three types of placeholders can be used:* + <kbd>?</kbd> a quoted scalar value, i.e. strings, integers* + <kbd>!</kbd> value is inserted 'as is'* + <kbd>&</kbd> requires a file name. The file's contents get* inserted into the query (i.e. saving binary* data in a db)** Use backslashes to escape placeholder characters if you don't want* them to be interpreted as placeholders. Example: <code>* "UPDATE foo SET col=? WHERE col='over \& under'"* </code>** @param string $query query to be prepared* @return mixed DB statement resource on success. DB_Error on failure.*/function prepare($query){$tokens = preg_split('/((?<!\\\)[&?!])/', $query, -1,PREG_SPLIT_DELIM_CAPTURE);$token = 0;$types = array();$newquery = '';foreach ($tokens as $key => $val) {switch ($val) {case '?':$types[$token++] = DB_PARAM_SCALAR;break;case '&':$types[$token++] = DB_PARAM_OPAQUE;break;case '!':$types[$token++] = DB_PARAM_MISC;break;default:$tokens[$key] = preg_replace('/\\\([&?!])/', "\\1", $val);$newquery .= $tokens[$key] . '?';}}$newquery = substr($newquery, 0, -1);$this->last_query = $query;$newquery = $this->modifyQuery($newquery);$stmt = @ibase_prepare($this->connection, $newquery);if ($stmt === false) {$stmt = $this->ibaseRaiseError();} else {$this->prepare_types[(int)$stmt] = $types;$this->manip_query[(int)$stmt] = DB::isManip($query);}return $stmt;}// }}}// {{{ execute()/*** Executes a DB statement prepared with prepare().** @param resource $stmt a DB statement resource returned from prepare()* @param mixed $data array, string or numeric data to be used in* execution of the statement. Quantity of items* passed must match quantity of placeholders in* query: meaning 1 for non-array items or the* quantity of elements in the array.* @return object a new DB_Result or a DB_Error when fail* @see DB_ibase::prepare()* @access public*/function &execute($stmt, $data = array()){$data = (array)$data;$this->last_parameters = $data;$types = $this->prepare_types[(int)$stmt];if (count($types) != count($data)) {$tmp = $this->raiseError(DB_ERROR_MISMATCH);return $tmp;}$i = 0;foreach ($data as $key => $value) {if ($types[$i] == DB_PARAM_MISC) {/** ibase doesn't seem to have the ability to pass a* parameter along unchanged, so strip off quotes from start* and end, plus turn two single quotes to one single quote,* in order to avoid the quotes getting escaped by* ibase and ending up in the database.*/$data[$key] = preg_replace("/^'(.*)'$/", "\\1", $data[$key]);$data[$key] = str_replace("''", "'", $data[$key]);} elseif ($types[$i] == DB_PARAM_OPAQUE) {$fp = @fopen($data[$key], 'rb');if (!$fp) {$tmp = $this->raiseError(DB_ERROR_ACCESS_VIOLATION);return $tmp;}$data[$key] = fread($fp, filesize($data[$key]));fclose($fp);}$i++;}array_unshift($data, $stmt);$res = call_user_func_array('ibase_execute', $data);if (!$res) {$tmp = $this->ibaseRaiseError();return $tmp;}/* XXX need this?if ($this->autocommit && $this->manip_query[(int)$stmt]) {@ibase_commit($this->connection);}*/$this->last_stmt = $stmt;if ($this->manip_query[(int)$stmt] || $this->_next_query_manip) {$this->_last_query_manip = true;$this->_next_query_manip = false;$tmp = DB_OK;} else {$this->_last_query_manip = false;$tmp = new DB_result($this, $res);}return $tmp;}/*** Frees the internal resources associated with a prepared query** @param resource $stmt the prepared statement's PHP resource* @param bool $free_resource should the PHP resource be freed too?* Use false if you need to get data* from the result set later.** @return bool TRUE on success, FALSE if $result is invalid** @see DB_ibase::prepare()*/function freePrepared($stmt, $free_resource = true){if (!is_resource($stmt)) {return false;}if ($free_resource) {@ibase_free_query($stmt);}unset($this->prepare_tokens[(int)$stmt]);unset($this->prepare_types[(int)$stmt]);unset($this->manip_query[(int)$stmt]);return true;}// }}}// {{{ 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){$this->autocommit = $onoff ? 1 : 0;return DB_OK;}// }}}// {{{ commit()/*** Commits the current transaction** @return int DB_OK on success. A DB_Error object on failure.*/function commit(){return @ibase_commit($this->connection);}// }}}// {{{ rollback()/*** Reverts the current transaction** @return int DB_OK on success. A DB_Error object on failure.*/function rollback(){return @ibase_rollback($this->connection);}// }}}// {{{ transactionInit()function transactionInit($trans_args = 0){return $trans_args? @ibase_trans($trans_args, $this->connection): @ibase_trans();}// }}}// {{{ nextId()/*** Returns the next free id in a sequence** @param string $seq_name name of the sequence* @param boolean $ondemand when true, the seqence is automatically* created if it does not exist** @return int the next id number in the sequence.* A DB_Error object on failure.** @see DB_common::nextID(), DB_common::getSequenceName(),* DB_ibase::createSequence(), DB_ibase::dropSequence()*/function nextId($seq_name, $ondemand = true){$sqn = strtoupper($this->getSequenceName($seq_name));$repeat = 0;do {$this->pushErrorHandling(PEAR_ERROR_RETURN);$result = $this->query("SELECT GEN_ID(${sqn}, 1) ". 'FROM RDB$GENERATORS '. "WHERE RDB\$GENERATOR_NAME='${sqn}'");$this->popErrorHandling();if ($ondemand && DB::isError($result)) {$repeat = 1;$result = $this->createSequence($seq_name);if (DB::isError($result)) {return $result;}} else {$repeat = 0;}} 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** @param string $seq_name name of the new sequence** @return int DB_OK on success. A DB_Error object on failure.** @see DB_common::createSequence(), DB_common::getSequenceName(),* DB_ibase::nextID(), DB_ibase::dropSequence()*/function createSequence($seq_name){$sqn = strtoupper($this->getSequenceName($seq_name));$this->pushErrorHandling(PEAR_ERROR_RETURN);$result = $this->query("CREATE GENERATOR ${sqn}");$this->popErrorHandling();return $result;}// }}}// {{{ dropSequence()/*** Deletes a sequence** @param string $seq_name name of the sequence to be deleted** @return int DB_OK on success. A DB_Error object on failure.** @see DB_common::dropSequence(), DB_common::getSequenceName(),* DB_ibase::nextID(), DB_ibase::createSequence()*/function dropSequence($seq_name){return $this->query('DELETE FROM RDB$GENERATORS '. "WHERE RDB\$GENERATOR_NAME='". strtoupper($this->getSequenceName($seq_name)). "'");}// }}}// {{{ _ibaseFieldFlags()/*** Get the column's flags** Supports "primary_key", "unique_key", "not_null", "default",* "computed" and "blob".** @param string $field_name the name of the field* @param string $table_name the name of the table** @return string the flags** @access private*/function _ibaseFieldFlags($field_name, $table_name){$sql = 'SELECT R.RDB$CONSTRAINT_TYPE CTYPE'.' FROM RDB$INDEX_SEGMENTS I'.' JOIN RDB$RELATION_CONSTRAINTS R ON I.RDB$INDEX_NAME=R.RDB$INDEX_NAME'.' WHERE I.RDB$FIELD_NAME=\'' . $field_name . '\''.' AND UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\'';$result = @ibase_query($this->connection, $sql);if (!$result) {return $this->ibaseRaiseError();}$flags = '';if ($obj = @ibase_fetch_object($result)) {@ibase_free_result($result);if (isset($obj->CTYPE) && trim($obj->CTYPE) == 'PRIMARY KEY') {$flags .= 'primary_key ';}if (isset($obj->CTYPE) && trim($obj->CTYPE) == 'UNIQUE') {$flags .= 'unique_key ';}}$sql = 'SELECT R.RDB$NULL_FLAG AS NFLAG,'.' R.RDB$DEFAULT_SOURCE AS DSOURCE,'.' F.RDB$FIELD_TYPE AS FTYPE,'.' F.RDB$COMPUTED_SOURCE AS CSOURCE'.' FROM RDB$RELATION_FIELDS R '.' JOIN RDB$FIELDS F ON R.RDB$FIELD_SOURCE=F.RDB$FIELD_NAME'.' WHERE UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\''.' AND R.RDB$FIELD_NAME=\'' . $field_name . '\'';$result = @ibase_query($this->connection, $sql);if (!$result) {return $this->ibaseRaiseError();}if ($obj = @ibase_fetch_object($result)) {@ibase_free_result($result);if (isset($obj->NFLAG)) {$flags .= 'not_null ';}if (isset($obj->DSOURCE)) {$flags .= 'default ';}if (isset($obj->CSOURCE)) {$flags .= 'computed ';}if (isset($obj->FTYPE) && $obj->FTYPE == 261) {$flags .= 'blob ';}}return trim($flags);}// }}}// {{{ ibaseRaiseError()/*** Produces a DB_Error object regarding the current problem** @param int $errno if the error is being manually raised pass a* DB_ERROR* constant here. If this isn't passed* the error information gathered from the DBMS.** @return object the DB_Error object** @see DB_common::raiseError(),* DB_ibase::errorNative(), DB_ibase::errorCode()*/function &ibaseRaiseError($errno = null){if ($errno === null) {$errno = $this->errorCode($this->errorNative());}$tmp = $this->raiseError($errno, null, null, null, @ibase_errmsg());return $tmp;}// }}}// {{{ errorNative()/*** Gets the DBMS' native error code produced by the last query** @return int the DBMS' error code. NULL if there is no error code.** @since Method available since Release 1.7.0*/function errorNative(){if (function_exists('ibase_errcode')) {return @ibase_errcode();}if (preg_match('/^Dynamic SQL Error SQL error code = ([0-9-]+)/i',@ibase_errmsg(), $m)) {return (int)$m[1];}return null;}// }}}// {{{ errorCode()/*** Maps native error codes to DB's portable ones** @param int $nativecode the error code returned by the DBMS** @return int the portable DB error code. Return DB_ERROR if the* current driver doesn't have a mapping for the* $nativecode submitted.** @since Method available since Release 1.7.0*/function errorCode($nativecode = null){if (isset($this->errorcode_map[$nativecode])) {return $this->errorcode_map[$nativecode];}static $error_regexps;if (!isset($error_regexps)) {$error_regexps = array('/generator .* is not defined/'=> DB_ERROR_SYNTAX, // for compat. w ibase_errcode()'/table.*(not exist|not found|unknown)/i'=> DB_ERROR_NOSUCHTABLE,'/table .* already exists/i'=> DB_ERROR_ALREADY_EXISTS,'/unsuccessful metadata update .* failed attempt to store duplicate value/i'=> DB_ERROR_ALREADY_EXISTS,'/unsuccessful metadata update .* not found/i'=> DB_ERROR_NOT_FOUND,'/validation error for column .* value "\*\*\* null/i'=> DB_ERROR_CONSTRAINT_NOT_NULL,'/violation of [\w ]+ constraint/i'=> DB_ERROR_CONSTRAINT,'/conversion error from string/i'=> DB_ERROR_INVALID_NUMBER,'/no permission for/i'=> DB_ERROR_ACCESS_VIOLATION,'/arithmetic exception, numeric overflow, or string truncation/i'=> DB_ERROR_INVALID,'/feature is not supported/i'=> DB_ERROR_NOT_CAPABLE,);}$errormsg = @ibase_errmsg();foreach ($error_regexps as $regexp => $code) {if (preg_match($regexp, $errormsg)) {return $code;}}return DB_ERROR;}// }}}// {{{ tableInfo()/*** Returns information about a table or a result set** NOTE: only supports 'table' and 'flags' if <var>$result</var>* is a table name.** @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 $mode a valid tableInfo mode** @return array an associative array with the information requested.* A DB_Error object on failure.** @see DB_common::tableInfo()*/function tableInfo($result, $mode = null){if (is_string($result)) {/** Probably received a table name.* Create a result resource identifier.*/$id = @ibase_query($this->connection,"SELECT * FROM $result WHERE 1=0");$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 $this->ibaseRaiseError(DB_ERROR_NEED_MORE_DATA);}if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {$case_func = 'strtolower';} else {$case_func = 'strval';}$count = @ibase_num_fields($id);$res = array();if ($mode) {$res['num_fields'] = $count;}for ($i = 0; $i < $count; $i++) {$info = @ibase_field_info($id, $i);$res[$i] = array('table' => $got_string ? $case_func($result) : '','name' => $case_func($info['name']),'type' => $info['type'],'len' => $info['length'],'flags' => ($got_string)? $this->_ibaseFieldFlags($info['name'], $result): '',);if ($mode & DB_TABLEINFO_ORDER) {$res['order'][$res[$i]['name']] = $i;}if ($mode & DB_TABLEINFO_ORDERTABLE) {$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;}}// free the result only if we were called on a tableif ($got_string) {@ibase_free_result($id);}return $res;}// }}}// {{{ getSpecialQuery()/*** Obtains the query string needed for listing a given type of objects** @param string $type the kind of objects you want to retrieve** @return string the SQL query string or null if the driver doesn't* support the object type requested** @access protected* @see DB_common::getListOf()*/function getSpecialQuery($type){switch ($type) {case 'tables':return 'SELECT DISTINCT R.RDB$RELATION_NAME FROM '. 'RDB$RELATION_FIELDS R WHERE R.RDB$SYSTEM_FLAG=0';case 'views':return 'SELECT DISTINCT RDB$VIEW_NAME from RDB$VIEW_RELATIONS';case 'users':return 'SELECT DISTINCT RDB$USER FROM RDB$USER_PRIVILEGES';default:return null;}}// }}}}/** Local variables:* tab-width: 4* c-basic-offset: 4* End:*/?>