From 9e8e5fa634ace418e6b34280133685485b97a9c0 Mon Sep 17 00:00:00 2001 From: alecpl Date: Tue, 26 Aug 2008 07:21:50 +0000 Subject: - Removed support for PEAR::DB driver --- program/lib/DB/sybase.php | 942 ---------------------------------------------- 1 file changed, 942 deletions(-) delete mode 100644 program/lib/DB/sybase.php (limited to 'program/lib/DB/sybase.php') diff --git a/program/lib/DB/sybase.php b/program/lib/DB/sybase.php deleted file mode 100644 index 3172701cb..000000000 --- a/program/lib/DB/sybase.php +++ /dev/null @@ -1,942 +0,0 @@ - - * @author Antônio Carlos Venâncio Júnior - * @author Daniel Convissor - * @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 sybase extension - * for interacting with Sybase databases - * - * These methods overload the ones declared in DB_common. - * - * WARNING: This driver may fail with multiple connections under the - * same user/pass/host and different databases. - * - * @category Database - * @package DB - * @author Sterling Hughes - * @author Antônio Carlos Venâncio Júnior - * @author Daniel Convissor - * @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_sybase extends DB_common -{ - // {{{ properties - - /** - * The DB driver type (mysql, oci8, odbc, etc.) - * @var string - */ - var $phptype = 'sybase'; - - /** - * The database syntax variant to be used (db2, access, etc.), if any - * @var string - */ - var $dbsyntax = 'sybase'; - - /** - * 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' => true, - 'pconnect' => true, - 'prepare' => false, - 'ssl' => false, - 'transactions' => true, - ); - - /** - * A mapping of native error codes to DB error codes - * @var array - */ - var $errorcode_map = array( - ); - - /** - * 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 database specified in the DSN - * - * It's a fix to allow calls to different databases in the same script. - * - * @var string - * @access private - */ - var $_db = ''; - - - // }}} - // {{{ constructor - - /** - * This constructor calls $this->DB_common() - * - * @return void - */ - function DB_sybase() - { - $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 sybase driver supports the following extra DSN options: - * + appname The application name to use on this connection. - * Available since PEAR DB 1.7.0. - * + charset The character set to use on this connection. - * Available since PEAR DB 1.7.0. - * - * @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('sybase') && - !PEAR::loadExtension('sybase_ct')) - { - return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND); - } - - $this->dsn = $dsn; - if ($dsn['dbsyntax']) { - $this->dbsyntax = $dsn['dbsyntax']; - } - - $dsn['hostspec'] = $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost'; - $dsn['password'] = !empty($dsn['password']) ? $dsn['password'] : false; - $dsn['charset'] = isset($dsn['charset']) ? $dsn['charset'] : false; - $dsn['appname'] = isset($dsn['appname']) ? $dsn['appname'] : false; - - $connect_function = $persistent ? 'sybase_pconnect' : 'sybase_connect'; - - if ($dsn['username']) { - $this->connection = @$connect_function($dsn['hostspec'], - $dsn['username'], - $dsn['password'], - $dsn['charset'], - $dsn['appname']); - } else { - return $this->raiseError(DB_ERROR_CONNECT_FAILED, - null, null, null, - 'The DSN did not contain a username.'); - } - - if (!$this->connection) { - return $this->raiseError(DB_ERROR_CONNECT_FAILED, - null, null, null, - @sybase_get_last_message()); - } - - if ($dsn['database']) { - if (!@sybase_select_db($dsn['database'], $this->connection)) { - return $this->raiseError(DB_ERROR_NODBSELECTED, - null, null, null, - @sybase_get_last_message()); - } - $this->_db = $dsn['database']; - } - - return DB_OK; - } - - // }}} - // {{{ disconnect() - - /** - * Disconnects from the database server - * - * @return bool TRUE on success, FALSE on failure - */ - function disconnect() - { - $ret = @sybase_close($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 = $query; - if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) { - return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED); - } - $query = $this->modifyQuery($query); - if (!$this->autocommit && $ismanip) { - if ($this->transaction_opcount == 0) { - $result = @sybase_query('BEGIN TRANSACTION', $this->connection); - if (!$result) { - return $this->sybaseRaiseError(); - } - } - $this->transaction_opcount++; - } - $result = @sybase_query($query, $this->connection); - if (!$result) { - return $this->sybaseRaiseError(); - } - if (is_resource($result)) { - return $result; - } - // Determine which queries that should return data, and which - // should return an error code only. - return $ismanip ? DB_OK : $result; - } - - // }}} - // {{{ nextResult() - - /** - * Move the internal sybase result pointer to the next available result - * - * @param a valid sybase result resource - * - * @access public - * - * @return true if a result is available otherwise return false - */ - function nextResult($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) { - if (!@sybase_data_seek($result, $rownum)) { - return null; - } - } - if ($fetchmode & DB_FETCHMODE_ASSOC) { - if (function_exists('sybase_fetch_assoc')) { - $arr = @sybase_fetch_assoc($result); - } else { - if ($arr = @sybase_fetch_array($result)) { - foreach ($arr as $key => $value) { - if (is_int($key)) { - unset($arr[$key]); - } - } - } - } - if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) { - $arr = array_change_key_case($arr, CASE_LOWER); - } - } else { - $arr = @sybase_fetch_row($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($result) ? sybase_free_result($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) - { - $cols = @sybase_num_fields($result); - if (!$cols) { - return $this->sybaseRaiseError(); - } - return $cols; - } - - // }}} - // {{{ numRows() - - /** - * Gets the number of rows in a result set - * - * 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) - { - $rows = @sybase_num_rows($result); - if ($rows === false) { - return $this->sybaseRaiseError(); - } - return $rows; - } - - // }}} - // {{{ affectedRows() - - /** - * Determines the number of rows affected by a data maniuplation query - * - * 0 is returned for queries that don't manipulate data. - * - * @return int the number of rows. A DB_Error object on failure. - */ - function affectedRows() - { - if ($this->_last_query_manip) { - $result = @sybase_affected_rows($this->connection); - } else { - $result = 0; - } - return $result; - } - - // }}} - // {{{ nextId() - - /** - * Returns the next free id in a sequence - * - * @param string $seq_name name of the sequence - * @param boolean $ondemand when true, the seqence is automatically - * created if it does not exist - * - * @return int the next id number in the sequence. - * A DB_Error object on failure. - * - * @see DB_common::nextID(), DB_common::getSequenceName(), - * DB_sybase::createSequence(), DB_sybase::dropSequence() - */ - function nextId($seq_name, $ondemand = true) - { - $seqname = $this->getSequenceName($seq_name); - if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) { - return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED); - } - $repeat = 0; - do { - $this->pushErrorHandling(PEAR_ERROR_RETURN); - $result = $this->query("INSERT INTO $seqname (vapor) VALUES (0)"); - $this->popErrorHandling(); - if ($ondemand && DB::isError($result) && - ($result->getCode() == DB_ERROR || $result->getCode() == DB_ERROR_NOSUCHTABLE)) - { - $repeat = 1; - $result = $this->createSequence($seq_name); - if (DB::isError($result)) { - return $this->raiseError($result); - } - } elseif (!DB::isError($result)) { - $result = $this->query("SELECT @@IDENTITY FROM $seqname"); - $repeat = 0; - } else { - $repeat = false; - } - } while ($repeat); - if (DB::isError($result)) { - return $this->raiseError($result); - } - $result = $result->fetchRow(DB_FETCHMODE_ORDERED); - return $result[0]; - } - - /** - * Creates a new sequence - * - * @param string $seq_name name of the new sequence - * - * @return int DB_OK on success. A DB_Error object on failure. - * - * @see DB_common::createSequence(), DB_common::getSequenceName(), - * DB_sybase::nextID(), DB_sybase::dropSequence() - */ - function createSequence($seq_name) - { - return $this->query('CREATE TABLE ' - . $this->getSequenceName($seq_name) - . ' (id numeric(10, 0) IDENTITY NOT NULL,' - . ' vapor int NULL)'); - } - - // }}} - // {{{ dropSequence() - - /** - * Deletes a sequence - * - * @param string $seq_name name of the sequence to be deleted - * - * @return int DB_OK on success. A DB_Error object on failure. - * - * @see DB_common::dropSequence(), DB_common::getSequenceName(), - * DB_sybase::nextID(), DB_sybase::createSequence() - */ - function dropSequence($seq_name) - { - return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)); - } - - // }}} - // {{{ quoteFloat() - - /** - * Formats a float value for use within a query in a locale-independent - * manner. - * - * @param float the float value to be quoted. - * @return string the quoted string. - * @see DB_common::quoteSmart() - * @since Method available since release 1.7.8. - */ - function quoteFloat($float) { - return $this->escapeSimple(str_replace(',', '.', strval(floatval($float)))); - } - - // }}} - // {{{ 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) - { - // 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) { - if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) { - return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED); - } - $result = @sybase_query('COMMIT', $this->connection); - $this->transaction_opcount = 0; - if (!$result) { - return $this->sybaseRaiseError(); - } - } - return DB_OK; - } - - // }}} - // {{{ rollback() - - /** - * Reverts the current transaction - * - * @return int DB_OK on success. A DB_Error object on failure. - */ - function rollback() - { - if ($this->transaction_opcount > 0) { - if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) { - return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED); - } - $result = @sybase_query('ROLLBACK', $this->connection); - $this->transaction_opcount = 0; - if (!$result) { - return $this->sybaseRaiseError(); - } - } - return DB_OK; - } - - // }}} - // {{{ sybaseRaiseError() - - /** - * Produces a DB_Error object regarding the current problem - * - * @param int $errno if the error is being manually raised pass a - * DB_ERROR* constant here. If this isn't passed - * the error information gathered from the DBMS. - * - * @return object the DB_Error object - * - * @see DB_common::raiseError(), - * DB_sybase::errorNative(), DB_sybase::errorCode() - */ - function sybaseRaiseError($errno = null) - { - $native = $this->errorNative(); - if ($errno === null) { - $errno = $this->errorCode($native); - } - return $this->raiseError($errno, null, null, null, $native); - } - - // }}} - // {{{ errorNative() - - /** - * Gets the DBMS' native error message produced by the last query - * - * @return string the DBMS' error message - */ - function errorNative() - { - return @sybase_get_last_message(); - } - - // }}} - // {{{ errorCode() - - /** - * Determines PEAR::DB error code from the database's text error message. - * - * @param string $errormsg error message returned from the database - * @return integer an error number from a DB error constant - */ - function errorCode($errormsg) - { - static $error_regexps; - - // PHP 5.2+ prepends the function name to $php_errormsg, so we need - // this hack to work around it, per bug #9599. - $errormsg = preg_replace('/^sybase[a-z_]+\(\): /', '', $errormsg); - - if (!isset($error_regexps)) { - $error_regexps = array( - '/Incorrect syntax near/' - => DB_ERROR_SYNTAX, - '/^Unclosed quote before the character string [\"\'].*[\"\']\./' - => DB_ERROR_SYNTAX, - '/Implicit conversion (from datatype|of NUMERIC value)/i' - => DB_ERROR_INVALID_NUMBER, - '/Cannot drop the table [\"\'].+[\"\'], because it doesn\'t exist in the system catalogs\./' - => DB_ERROR_NOSUCHTABLE, - '/Only the owner of object [\"\'].+[\"\'] or a user with System Administrator \(SA\) role can run this command\./' - => DB_ERROR_ACCESS_VIOLATION, - '/^.+ permission denied on object .+, database .+, owner .+/' - => DB_ERROR_ACCESS_VIOLATION, - '/^.* permission denied, database .+, owner .+/' - => DB_ERROR_ACCESS_VIOLATION, - '/[^.*] not found\./' - => DB_ERROR_NOSUCHTABLE, - '/There is already an object named/' - => DB_ERROR_ALREADY_EXISTS, - '/Invalid column name/' - => DB_ERROR_NOSUCHFIELD, - '/does not allow null values/' - => DB_ERROR_CONSTRAINT_NOT_NULL, - '/Command has been aborted/' - => DB_ERROR_CONSTRAINT, - '/^Cannot drop the index .* because it doesn\'t exist/i' - => DB_ERROR_NOT_FOUND, - '/^There is already an index/i' - => DB_ERROR_ALREADY_EXISTS, - '/^There are fewer columns in the INSERT statement than values specified/i' - => DB_ERROR_VALUE_COUNT_ON_ROW, - '/Divide by zero/i' - => DB_ERROR_DIVZERO, - ); - } - - 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 $result - * 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 $mode a valid tableInfo mode - * - * @return array an associative array with the information requested. - * A DB_Error object on failure. - * - * @see DB_common::tableInfo() - * @since Method available since Release 1.6.0 - */ - function tableInfo($result, $mode = null) - { - if (is_string($result)) { - /* - * Probably received a table name. - * Create a result resource identifier. - */ - if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) { - return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED); - } - $id = @sybase_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. - * Deprecated. Here for compatibility only. - */ - $id = $result; - $got_string = false; - } - - if (!is_resource($id)) { - return $this->sybaseRaiseError(DB_ERROR_NEED_MORE_DATA); - } - - if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) { - $case_func = 'strtolower'; - } else { - $case_func = 'strval'; - } - - $count = @sybase_num_fields($id); - $res = array(); - - if ($mode) { - $res['num_fields'] = $count; - } - - for ($i = 0; $i < $count; $i++) { - $f = @sybase_fetch_field($id, $i); - // column_source is often blank - $res[$i] = array( - 'table' => $got_string - ? $case_func($result) - : $case_func($f->column_source), - 'name' => $case_func($f->name), - 'type' => $f->type, - 'len' => $f->max_length, - 'flags' => '', - ); - if ($res[$i]['table']) { - $res[$i]['flags'] = $this->_sybase_field_flags( - $res[$i]['table'], $res[$i]['name']); - } - 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) { - @sybase_free_result($id); - } - return $res; - } - - // }}} - // {{{ _sybase_field_flags() - - /** - * Get the flags for a field - * - * Currently supports: - * + unique_key (unique index, unique check or primary_key) - * + multiple_key (multi-key index) - * - * @param string $table the table name - * @param string $column the field name - * - * @return string space delimited string of flags. Empty string if none. - * - * @access private - */ - function _sybase_field_flags($table, $column) - { - static $tableName = null; - static $flags = array(); - - if ($table != $tableName) { - $flags = array(); - $tableName = $table; - - /* We're running sp_helpindex directly because it doesn't exist in - * older versions of ASE -- unfortunately, we can't just use - * DB::isError() because the user may be using callback error - * handling. */ - $res = @sybase_query("sp_helpindex $table", $this->connection); - - if ($res === false || $res === true) { - // Fake a valid response for BC reasons. - return ''; - } - - while (($val = sybase_fetch_assoc($res)) !== false) { - if (!isset($val['index_keys'])) { - /* No useful information returned. Break and be done with - * it, which preserves the pre-1.7.9 behaviour. */ - break; - } - - $keys = explode(', ', trim($val['index_keys'])); - - if (sizeof($keys) > 1) { - foreach ($keys as $key) { - $this->_add_flag($flags[$key], 'multiple_key'); - } - } - - if (strpos($val['index_description'], 'unique')) { - foreach ($keys as $key) { - $this->_add_flag($flags[$key], 'unique_key'); - } - } - } - - sybase_free_result($res); - - } - - if (array_key_exists($column, $flags)) { - return(implode(' ', $flags[$column])); - } - - return ''; - } - - // }}} - // {{{ _add_flag() - - /** - * Adds a string to the flags array if the flag is not yet in there - * - if there is no flag present the array is created - * - * @param array $array reference of flags array to add a value to - * @param mixed $value value to add to the flag array - * - * @return void - * - * @access private - */ - function _add_flag(&$array, $value) - { - if (!is_array($array)) { - $array = array($value); - } elseif (!in_array($value, $array)) { - array_push($array, $value); - } - } - - // }}} - // {{{ 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 name FROM sysobjects WHERE type = 'U'" - . ' ORDER BY name'; - case 'views': - return "SELECT name FROM sysobjects WHERE type = 'V'"; - default: - return null; - } - } - - // }}} - -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - */ - -?> -- cgit v1.2.3