diff options
author | alecpl <alec@alec.pl> | 2008-08-26 07:21:50 +0000 |
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committer | alecpl <alec@alec.pl> | 2008-08-26 07:21:50 +0000 |
commit | 9e8e5fa634ace418e6b34280133685485b97a9c0 (patch) | |
tree | 80ae14092bef204fe4689e83d72542af5d152d46 /program/lib/DB/ifx.php | |
parent | 6ed25604a9f3d4a57b12ad1364af1690f43ec282 (diff) |
- Removed support for PEAR::DB driver
Diffstat (limited to 'program/lib/DB/ifx.php')
-rw-r--r-- | program/lib/DB/ifx.php | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/program/lib/DB/ifx.php b/program/lib/DB/ifx.php deleted file mode 100644 index f08cf6667..000000000 --- a/program/lib/DB/ifx.php +++ /dev/null @@ -1,683 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * The PEAR DB driver for PHP's ifx extension - * for interacting with Informix databases - * - * 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 Tomas V.V.Cox <cox@idecnet.com> - * @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 ifx extension - * for interacting with Informix databases - * - * These methods overload the ones declared in DB_common. - * - * More info on Informix errors can be found at: - * http://www.informix.com/answers/english/ierrors.htm - * - * TODO: - * - set needed env Informix vars on connect - * - implement native prepare/execute - * - * @category Database - * @package DB - * @author Tomas V.V.Cox <cox@idecnet.com> - * @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: 1.7.13 - * @link http://pear.php.net/package/DB - */ -class DB_ifx extends DB_common -{ - // {{{ properties - - /** - * The DB driver type (mysql, oci8, odbc, etc.) - * @var string - */ - var $phptype = 'ifx'; - - /** - * The database syntax variant to be used (db2, access, etc.), if any - * @var string - */ - var $dbsyntax = 'ifx'; - - /** - * The capabilities of this DB implementation - * - * The 'new_link' element contains the PHP version that first provided - * new_link support for this DBMS. Contains false if it's unsupported. - * - * Meaning of the 'limit' element: - * + 'emulate' = emulate with fetch row by number - * + 'alter' = alter the query - * + false = skip rows - * - * @var array - */ - var $features = array( - 'limit' => 'emulate', - 'new_link' => false, - 'numrows' => 'emulate', - 'pconnect' => true, - 'prepare' => false, - 'ssl' => false, - 'transactions' => true, - ); - - /** - * A mapping of native error codes to DB error codes - * @var array - */ - var $errorcode_map = array( - '-201' => DB_ERROR_SYNTAX, - '-206' => DB_ERROR_NOSUCHTABLE, - '-217' => DB_ERROR_NOSUCHFIELD, - '-236' => DB_ERROR_VALUE_COUNT_ON_ROW, - '-239' => DB_ERROR_CONSTRAINT, - '-253' => DB_ERROR_SYNTAX, - '-268' => DB_ERROR_CONSTRAINT, - '-292' => DB_ERROR_CONSTRAINT_NOT_NULL, - '-310' => DB_ERROR_ALREADY_EXISTS, - '-316' => DB_ERROR_ALREADY_EXISTS, - '-319' => DB_ERROR_NOT_FOUND, - '-329' => DB_ERROR_NODBSELECTED, - '-346' => DB_ERROR_CONSTRAINT, - '-386' => DB_ERROR_CONSTRAINT_NOT_NULL, - '-391' => DB_ERROR_CONSTRAINT_NOT_NULL, - '-554' => DB_ERROR_SYNTAX, - '-691' => DB_ERROR_CONSTRAINT, - '-692' => DB_ERROR_CONSTRAINT, - '-703' => DB_ERROR_CONSTRAINT_NOT_NULL, - '-1202' => DB_ERROR_DIVZERO, - '-1204' => DB_ERROR_INVALID_DATE, - '-1205' => DB_ERROR_INVALID_DATE, - '-1206' => DB_ERROR_INVALID_DATE, - '-1209' => DB_ERROR_INVALID_DATE, - '-1210' => DB_ERROR_INVALID_DATE, - '-1212' => DB_ERROR_INVALID_DATE, - '-1213' => DB_ERROR_INVALID_NUMBER, - ); - - /** - * The raw database connection created by PHP - * @var resource - */ - var $connection; - - /** - * The DSN information for connecting to a database - * @var array - */ - var $dsn = array(); - - - /** - * Should data manipulation queries be committed automatically? - * @var bool - * @access private - */ - var $autocommit = true; - - /** - * The quantity of transactions begun - * - * {@internal While this is private, it can't actually be designated - * private in PHP 5 because it is directly accessed in the test suite.}} - * - * @var integer - * @access private - */ - var $transaction_opcount = 0; - - /** - * The number of rows affected by a data manipulation query - * @var integer - * @access private - */ - var $affected = 0; - - - // }}} - // {{{ constructor - - /** - * This constructor calls <kbd>$this->DB_common()</kbd> - * - * @return void - */ - function DB_ifx() - { - $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. - * - * @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('informix') && - !PEAR::loadExtension('Informix')) - { - return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND); - } - - $this->dsn = $dsn; - if ($dsn['dbsyntax']) { - $this->dbsyntax = $dsn['dbsyntax']; - } - - $dbhost = $dsn['hostspec'] ? '@' . $dsn['hostspec'] : ''; - $dbname = $dsn['database'] ? $dsn['database'] . $dbhost : ''; - $user = $dsn['username'] ? $dsn['username'] : ''; - $pw = $dsn['password'] ? $dsn['password'] : ''; - - $connect_function = $persistent ? 'ifx_pconnect' : 'ifx_connect'; - - $this->connection = @$connect_function($dbname, $user, $pw); - if (!is_resource($this->connection)) { - return $this->ifxRaiseError(DB_ERROR_CONNECT_FAILED); - } - return DB_OK; - } - - // }}} - // {{{ disconnect() - - /** - * Disconnects from the database server - * - * @return bool TRUE on success, FALSE on failure - */ - function disconnect() - { - $ret = @ifx_close($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; - $this->affected = null; - if (preg_match('/(SELECT|EXECUTE)/i', $query)) { //TESTME: Use !DB::isManip()? - // the scroll is needed for fetching absolute row numbers - // in a select query result - $result = @ifx_query($query, $this->connection, IFX_SCROLL); - } else { - if (!$this->autocommit && $ismanip) { - if ($this->transaction_opcount == 0) { - $result = @ifx_query('BEGIN WORK', $this->connection); - if (!$result) { - return $this->ifxRaiseError(); - } - } - $this->transaction_opcount++; - } - $result = @ifx_query($query, $this->connection); - } - if (!$result) { - return $this->ifxRaiseError(); - } - $this->affected = @ifx_affected_rows($result); - // Determine which queries should return data, and which - // should return an error code only. - if (preg_match('/(SELECT|EXECUTE)/i', $query)) { - return $result; - } - // XXX Testme: free results inside a transaction - // may cause to stop it and commit the work? - - // Result has to be freed even with a insert or update - @ifx_free_result($result); - - return DB_OK; - } - - // }}} - // {{{ nextResult() - - /** - * Move the internal ifx 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($result) - { - return false; - } - - // }}} - // {{{ affectedRows() - - /** - * Determines the number of rows affected by a data maniuplation query - * - * 0 is returned for queries that don't manipulate data. - * - * @return int the number of rows. A DB_Error object on failure. - */ - function affectedRows() - { - if ($this->_last_query_manip) { - return $this->affected; - } else { - return 0; - } - } - - // }}} - // {{{ 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) && ($rownum < 0)) { - return null; - } - if ($rownum === null) { - /* - * Even though fetch_row() should return the next row if - * $rownum is null, it doesn't in all cases. Bug 598. - */ - $rownum = 'NEXT'; - } else { - // Index starts at row 1, unlike most DBMS's starting at 0. - $rownum++; - } - if (!$arr = @ifx_fetch_row($result, $rownum)) { - return null; - } - if ($fetchmode !== DB_FETCHMODE_ASSOC) { - $i=0; - $order = array(); - foreach ($arr as $val) { - $order[$i++] = $val; - } - $arr = $order; - } elseif ($fetchmode == DB_FETCHMODE_ASSOC && - $this->options['portability'] & DB_PORTABILITY_LOWERCASE) - { - $arr = array_change_key_case($arr, CASE_LOWER); - } - 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; - } - - // }}} - // {{{ 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) - { - if (!$cols = @ifx_num_fields($result)) { - return $this->ifxRaiseError(); - } - return $cols; - } - - // }}} - // {{{ 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($result) ? ifx_free_result($result) : false; - } - - // }}} - // {{{ 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 = true) - { - // XXX if $this->transaction_opcount > 0, we should probably - // issue a warning here. - $this->autocommit = $onoff ? true : false; - return DB_OK; - } - - // }}} - // {{{ commit() - - /** - * Commits the current transaction - * - * @return int DB_OK on success. A DB_Error object on failure. - */ - function commit() - { - if ($this->transaction_opcount > 0) { - $result = @ifx_query('COMMIT WORK', $this->connection); - $this->transaction_opcount = 0; - if (!$result) { - return $this->ifxRaiseError(); - } - } - return DB_OK; - } - - // }}} - // {{{ rollback() - - /** - * Reverts the current transaction - * - * @return int DB_OK on success. A DB_Error object on failure. - */ - function rollback() - { - if ($this->transaction_opcount > 0) { - $result = @ifx_query('ROLLBACK WORK', $this->connection); - $this->transaction_opcount = 0; - if (!$result) { - return $this->ifxRaiseError(); - } - } - return DB_OK; - } - - // }}} - // {{{ ifxRaiseError() - - /** - * Produces a DB_Error object regarding the current problem - * - * @param int $errno if the error is being manually raised pass a - * DB_ERROR* constant here. If this isn't passed - * the error information gathered from the DBMS. - * - * @return object the DB_Error object - * - * @see DB_common::raiseError(), - * DB_ifx::errorNative(), DB_ifx::errorCode() - */ - function ifxRaiseError($errno = null) - { - if ($errno === null) { - $errno = $this->errorCode(ifx_error()); - } - return $this->raiseError($errno, null, null, null, - $this->errorNative()); - } - - // }}} - // {{{ errorNative() - - /** - * Gets the DBMS' native error code and message produced by the last query - * - * @return string the DBMS' error code and message - */ - function errorNative() - { - return @ifx_error() . ' ' . @ifx_errormsg(); - } - - // }}} - // {{{ errorCode() - - /** - * Maps native error codes to DB's portable ones. - * - * Requires that the DB implementation's constructor fills - * in the <var>$errorcode_map</var> property. - * - * @param string $nativecode error code returned by the database - * @return int a portable DB error code, or DB_ERROR if this DB - * implementation has no mapping for the given error code. - */ - function errorCode($nativecode) - { - if (ereg('SQLCODE=(.*)]', $nativecode, $match)) { - $code = $match[1]; - if (isset($this->errorcode_map[$code])) { - return $this->errorcode_map[$code]; - } - } - return DB_ERROR; - } - - // }}} - // {{{ tableInfo() - - /** - * Returns information about a table or a result set - * - * NOTE: only supports 'table' if <var>$result</var> is a table name. - * - * If analyzing a query result and the result has duplicate field names, - * an error will be raised saying - * <samp>can't distinguish duplicate field names</samp>. - * - * @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 $mode a valid tableInfo mode - * - * @return array an associative array with the information requested. - * A DB_Error object on failure. - * - * @see DB_common::tableInfo() - * @since Method available since Release 1.6.0 - */ - function tableInfo($result, $mode = null) - { - if (is_string($result)) { - /* - * Probably received a table name. - * Create a result resource identifier. - */ - $id = @ifx_query("SELECT * FROM $result WHERE 1=0", - $this->connection); - $got_string = true; - } elseif (isset($result->result)) { - /* - * Probably received a result object. - * Extract the result resource identifier. - */ - $id = $result->result; - $got_string = false; - } else { - /* - * Probably received a result resource identifier. - * Copy it. - */ - $id = $result; - $got_string = false; - } - - if (!is_resource($id)) { - return $this->ifxRaiseError(DB_ERROR_NEED_MORE_DATA); - } - - $flds = @ifx_fieldproperties($id); - $count = @ifx_num_fields($id); - - if (count($flds) != $count) { - return $this->raiseError("can't distinguish duplicate field names"); - } - - if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) { - $case_func = 'strtolower'; - } else { - $case_func = 'strval'; - } - - $i = 0; - $res = array(); - - if ($mode) { - $res['num_fields'] = $count; - } - - foreach ($flds as $key => $value) { - $props = explode(';', $value); - $res[$i] = array( - 'table' => $got_string ? $case_func($result) : '', - 'name' => $case_func($key), - 'type' => $props[0], - 'len' => $props[1], - 'flags' => $props[4] == 'N' ? 'not_null' : '', - ); - if ($mode & DB_TABLEINFO_ORDER) { - $res['order'][$res[$i]['name']] = $i; - } - if ($mode & DB_TABLEINFO_ORDERTABLE) { - $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; - } - $i++; - } - - // free the result only if we were called on a table - if ($got_string) { - @ifx_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 tabname FROM systables WHERE tabid >= 100'; - default: - return null; - } - } - - // }}} - -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - */ - -?> |