785 lines
26 KiB
PHP
785 lines
26 KiB
PHP
<?php
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 4 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 2.02 of the PHP license, |
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
|
// | available at through the world-wide-web at |
|
|
// | http://www.php.net/license/2_02.txt. |
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
|
// | obtain it through the world-wide-web, please send a note to |
|
|
// | license@php.net so we can mail you a copy immediately. |
|
|
// +----------------------------------------------------------------------+
|
|
// | Author: Sterling Hughes <sterling@php.net> |
|
|
// | Maintainer: Daniel Convissor <danielc@php.net> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: ibase.php 3355 2005-06-11 22:14:40Z nbm $
|
|
|
|
|
|
// Bugs:
|
|
// - If dbsyntax is not firebird, the limitQuery may fail
|
|
|
|
|
|
require_once 'DB/common.php';
|
|
|
|
/**
|
|
* Database independent query interface definition for PHP's Interbase
|
|
* extension.
|
|
*
|
|
* @package DB
|
|
* @version $Id: ibase.php 3355 2005-06-11 22:14:40Z nbm $
|
|
* @category Database
|
|
* @author Sterling Hughes <sterling@php.net>
|
|
*/
|
|
class DB_ibase extends DB_common
|
|
{
|
|
|
|
// {{{ properties
|
|
|
|
var $connection;
|
|
var $phptype, $dbsyntax;
|
|
var $autocommit = 1;
|
|
var $manip_query = array();
|
|
|
|
// }}}
|
|
// {{{ constructor
|
|
|
|
function DB_ibase()
|
|
{
|
|
$this->DB_common();
|
|
$this->phptype = 'ibase';
|
|
$this->dbsyntax = 'ibase';
|
|
$this->features = array(
|
|
'prepare' => true,
|
|
'pconnect' => true,
|
|
'transactions' => true,
|
|
'limit' => false
|
|
);
|
|
// just a few of the tons of Interbase error codes listed in the
|
|
// Language Reference section of the Interbase manual
|
|
$this->errorcode_map = array(
|
|
-104 => DB_ERROR_SYNTAX,
|
|
-150 => DB_ERROR_ACCESS_VIOLATION,
|
|
-151 => DB_ERROR_ACCESS_VIOLATION,
|
|
-155 => DB_ERROR_NOSUCHTABLE,
|
|
88 => DB_ERROR_NOSUCHTABLE,
|
|
-157 => DB_ERROR_NOSUCHFIELD,
|
|
-158 => DB_ERROR_VALUE_COUNT_ON_ROW,
|
|
-170 => DB_ERROR_MISMATCH,
|
|
-171 => DB_ERROR_MISMATCH,
|
|
-172 => DB_ERROR_INVALID,
|
|
-204 => DB_ERROR_INVALID,
|
|
-205 => DB_ERROR_NOSUCHFIELD,
|
|
-206 => DB_ERROR_NOSUCHFIELD,
|
|
-208 => DB_ERROR_INVALID,
|
|
-219 => DB_ERROR_NOSUCHTABLE,
|
|
-297 => DB_ERROR_CONSTRAINT,
|
|
-530 => DB_ERROR_CONSTRAINT,
|
|
-607 => DB_ERROR_NOSUCHTABLE,
|
|
-803 => DB_ERROR_CONSTRAINT,
|
|
-551 => DB_ERROR_ACCESS_VIOLATION,
|
|
-552 => DB_ERROR_ACCESS_VIOLATION,
|
|
-922 => DB_ERROR_NOSUCHDB,
|
|
-923 => DB_ERROR_CONNECT_FAILED,
|
|
-924 => DB_ERROR_CONNECT_FAILED
|
|
);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ connect()
|
|
|
|
function connect($dsninfo, $persistent = false)
|
|
{
|
|
if (!DB::assertExtension('interbase')) {
|
|
return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
|
|
}
|
|
$this->dsn = $dsninfo;
|
|
$dbhost = $dsninfo['hostspec'] ?
|
|
($dsninfo['hostspec'] . ':' . $dsninfo['database']) :
|
|
$dsninfo['database'];
|
|
|
|
$connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect';
|
|
|
|
$params = array();
|
|
$params[] = $dbhost;
|
|
$params[] = $dsninfo['username'] ? $dsninfo['username'] : null;
|
|
$params[] = $dsninfo['password'] ? $dsninfo['password'] : null;
|
|
$params[] = isset($dsninfo['charset']) ? $dsninfo['charset'] : null;
|
|
$params[] = isset($dsninfo['buffers']) ? $dsninfo['buffers'] : null;
|
|
$params[] = isset($dsninfo['dialect']) ? $dsninfo['dialect'] : null;
|
|
$params[] = isset($dsninfo['role']) ? $dsninfo['role'] : null;
|
|
|
|
$conn = @call_user_func_array($connect_function, $params);
|
|
if (!$conn) {
|
|
return $this->ibaseRaiseError(DB_ERROR_CONNECT_FAILED);
|
|
}
|
|
$this->connection = $conn;
|
|
if ($this->dsn['dbsyntax'] == 'firebird') {
|
|
$this->features['limit'] = 'alter';
|
|
}
|
|
return DB_OK;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ disconnect()
|
|
|
|
function disconnect()
|
|
{
|
|
$ret = @ibase_close($this->connection);
|
|
$this->connection = null;
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ simpleQuery()
|
|
|
|
function simpleQuery($query)
|
|
{
|
|
$ismanip = DB::isManip($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);
|
|
}
|
|
// Determine which queries that should return data, and which
|
|
// should return an error code only.
|
|
return $ismanip ? DB_OK : $result;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ modifyLimitQuery()
|
|
|
|
/**
|
|
* This method is used by backends to alter limited queries
|
|
* Uses the new FIRST n SKIP n Firebird 1.0 syntax, so it is
|
|
* only compatible with Firebird 1.x
|
|
*
|
|
* @param string $query query to modify
|
|
* @param integer $from the row to start to fetching
|
|
* @param integer $count the numbers of rows to fetch
|
|
*
|
|
* @return the new (modified) query
|
|
* @author Ludovico Magnocavallo <ludo@sumatrasolutions.com>
|
|
* @access private
|
|
*/
|
|
function modifyLimitQuery($query, $from, $count, $params = array())
|
|
{
|
|
if ($this->dsn['dbsyntax'] == 'firebird') {
|
|
//$from++; // SKIP starts from 1, ie SKIP 1 starts from the first record
|
|
// (cox) Seems that SKIP starts in 0
|
|
$query = preg_replace('/^\s*select\s(.*)$/is',
|
|
"SELECT FIRST $count SKIP $from $1", $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()
|
|
|
|
/**
|
|
* Fetch a row and insert the data into an existing array.
|
|
*
|
|
* Formating of the array and the data therein are configurable.
|
|
* See DB_result::fetchInto() for more information.
|
|
*
|
|
* @param resource $result query result identifier
|
|
* @param array $arr (reference) array where data from the row
|
|
* should be placed
|
|
* @param int $fetchmode how the resulting array should be indexed
|
|
* @param int $rownum the row number to fetch
|
|
*
|
|
* @return mixed DB_OK on success, null when end of result set is
|
|
* reached or on failure
|
|
*
|
|
* @see DB_result::fetchInto()
|
|
* @access private
|
|
*/
|
|
function fetchInto($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 (!$arr) {
|
|
if ($errmsg = @ibase_errmsg()) {
|
|
return $this->ibaseRaiseError(null, $errmsg);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
if ($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()
|
|
|
|
function freeResult($result)
|
|
{
|
|
return @ibase_free_result($result);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ freeQuery()
|
|
|
|
function freeQuery($query)
|
|
{
|
|
@ibase_free_query($query);
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ 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);
|
|
$this->prepare_types[(int)$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, $data = array())
|
|
{
|
|
if (!is_array($data)) {
|
|
$data = array($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($this->connection);
|
|
}*/
|
|
if ($this->manip_query[(int)$stmt]) {
|
|
$tmp = DB_OK;
|
|
} else {
|
|
$tmp =& new DB_result($this, $res);
|
|
}
|
|
return $tmp;
|
|
}
|
|
|
|
/**
|
|
* Free the internal resources associated with a prepared query.
|
|
*
|
|
* @param $stmt The interbase_query resource type
|
|
*
|
|
* @return bool true on success, false if $result is invalid
|
|
*/
|
|
function freePrepared($stmt)
|
|
{
|
|
if (!is_resource($stmt)) {
|
|
return false;
|
|
}
|
|
@ibase_free_query($stmt);
|
|
unset($this->prepare_tokens[(int)$stmt]);
|
|
unset($this->prepare_types[(int)$stmt]);
|
|
unset($this->manip_query[(int)$stmt]);
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ autoCommit()
|
|
|
|
function autoCommit($onoff = false)
|
|
{
|
|
$this->autocommit = $onoff ? 1 : 0;
|
|
return DB_OK;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ commit()
|
|
|
|
function commit()
|
|
{
|
|
return @ibase_commit($this->connection);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ rollback()
|
|
|
|
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 $ondemand when true, the seqence is automatically
|
|
* created if it does not exist
|
|
*
|
|
* @return int the next id number in the sequence. DB_Error if problem.
|
|
*
|
|
* @internal
|
|
* @see DB_common::nextID()
|
|
* @access public
|
|
*/
|
|
function nextId($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()
|
|
|
|
/**
|
|
* Create the sequence
|
|
*
|
|
* @param string $seq_name the name of the sequence
|
|
* @return mixed DB_OK on success or DB error on error
|
|
* @access public
|
|
*/
|
|
function createSequence($seq_name)
|
|
{
|
|
$sqn = strtoupper($this->getSequenceName($seq_name));
|
|
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|
$result = $this->query("CREATE GENERATOR ${sqn}");
|
|
$this->popErrorHandling();
|
|
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ dropSequence()
|
|
|
|
/**
|
|
* Drop a sequence
|
|
*
|
|
* @param string $seq_name the name of the sequence
|
|
* @return mixed DB_OK on success or DB error on error
|
|
* @access public
|
|
*/
|
|
function dropSequence($seq_name)
|
|
{
|
|
$sqn = strtoupper($this->getSequenceName($seq_name));
|
|
return $this->query('DELETE FROM RDB$GENERATORS '
|
|
. "WHERE RDB\$GENERATOR_NAME='${sqn}'");
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _ibaseFieldFlags()
|
|
|
|
/**
|
|
* get the Flags of a Field
|
|
*
|
|
* @param string $field_name the name of the field
|
|
* @param string $table_name the name of the table
|
|
*
|
|
* @return string The flags of the field ("primary_key", "unique_key", "not_null"
|
|
* "default", "computed" and "blob" are supported)
|
|
* @access private
|
|
*/
|
|
function _ibaseFieldFlags($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);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ 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
|
|
* @param int $mode a valid tableInfo mode
|
|
* @return array an associative array with the information requested
|
|
* or an error object if something is wrong
|
|
* @access public
|
|
* @internal
|
|
* @see DB_common::tableInfo()
|
|
*/
|
|
function tableInfo($result, $mode = null)
|
|
{
|
|
if (isset($result->result)) {
|
|
/*
|
|
* Probably received a result object.
|
|
* Extract the result resource identifier.
|
|
*/
|
|
$id = $result->result;
|
|
$got_string = false;
|
|
} elseif (is_string($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;
|
|
} 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);
|
|
|
|
// made this IF due to performance (one if is faster than $count if's)
|
|
if (!$mode) {
|
|
for ($i=0; $i<$count; $i++) {
|
|
$info = @ibase_field_info($id, $i);
|
|
$res[$i]['table'] = $got_string ? $case_func($result) : '';
|
|
$res[$i]['name'] = $case_func($info['name']);
|
|
$res[$i]['type'] = $info['type'];
|
|
$res[$i]['len'] = $info['length'];
|
|
$res[$i]['flags'] = ($got_string) ? $this->_ibaseFieldFlags($info['name'], $result) : '';
|
|
}
|
|
} else { // full
|
|
$res['num_fields']= $count;
|
|
|
|
for ($i=0; $i<$count; $i++) {
|
|
$info = @ibase_field_info($id, $i);
|
|
$res[$i]['table'] = $got_string ? $case_func($result) : '';
|
|
$res[$i]['name'] = $case_func($info['name']);
|
|
$res[$i]['type'] = $info['type'];
|
|
$res[$i]['len'] = $info['length'];
|
|
$res[$i]['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;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ ibaseRaiseError()
|
|
|
|
/**
|
|
* Gather information about an error, then use that info to create a
|
|
* DB error object and finally return that object.
|
|
*
|
|
* @param integer $db_errno PEAR error number (usually a DB constant) if
|
|
* manually raising an error
|
|
* @param string $native_errmsg text of error message if known
|
|
* @return object DB error object
|
|
* @see DB_common::errorCode()
|
|
* @see DB_common::raiseError()
|
|
*/
|
|
function &ibaseRaiseError($db_errno = null, $native_errmsg = null)
|
|
{
|
|
if ($native_errmsg === null) {
|
|
$native_errmsg = @ibase_errmsg();
|
|
}
|
|
// memo for the interbase php module hackers: we need something similar
|
|
// to mysql_errno() to retrieve error codes instead of this ugly hack
|
|
if (preg_match('/^([^0-9\-]+)([0-9\-]+)\s+(.*)$/', $native_errmsg, $m)) {
|
|
$native_errno = (int)$m[2];
|
|
} else {
|
|
$native_errno = null;
|
|
}
|
|
// try to map the native error to the DB one
|
|
if ($db_errno === null) {
|
|
if ($native_errno) {
|
|
// try to interpret Interbase error code (that's why we need ibase_errno()
|
|
// in the interbase module to return the real error code)
|
|
switch ($native_errno) {
|
|
case -204:
|
|
if (is_int(strpos($m[3], 'Table unknown'))) {
|
|
$db_errno = DB_ERROR_NOSUCHTABLE;
|
|
}
|
|
break;
|
|
default:
|
|
$db_errno = $this->errorCode($native_errno);
|
|
}
|
|
} else {
|
|
$error_regexps = array(
|
|
'/[tT]able not found/' => DB_ERROR_NOSUCHTABLE,
|
|
'/[tT]able .* already exists/' => DB_ERROR_ALREADY_EXISTS,
|
|
'/validation error for column .* value "\*\*\* null/' => DB_ERROR_CONSTRAINT_NOT_NULL,
|
|
'/violation of [\w ]+ constraint/' => DB_ERROR_CONSTRAINT,
|
|
'/conversion error from string/' => DB_ERROR_INVALID_NUMBER,
|
|
'/no permission for/' => DB_ERROR_ACCESS_VIOLATION,
|
|
'/arithmetic exception, numeric overflow, or string truncation/' => DB_ERROR_DIVZERO
|
|
);
|
|
foreach ($error_regexps as $regexp => $code) {
|
|
if (preg_match($regexp, $native_errmsg)) {
|
|
$db_errno = $code;
|
|
$native_errno = null;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$tmp =& $this->raiseError($db_errno, null, null, null, $native_errmsg);
|
|
return $tmp;
|
|
}
|
|
|
|
// }}}
|
|
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
*/
|
|
|
|
?>
|