<?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 1.116 2007/09/21 13:40:41 aharvey 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']] = $i; } } // free the result only if we were called on a table if ($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: */ ?>