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Diffstat (limited to 'program/lib/MDB2/Driver/mysqli.php')
| -rwxr-xr-x | program/lib/MDB2/Driver/mysqli.php | 1106 |
1 files changed, 0 insertions, 1106 deletions
diff --git a/program/lib/MDB2/Driver/mysqli.php b/program/lib/MDB2/Driver/mysqli.php deleted file mode 100755 index f23132250..000000000 --- a/program/lib/MDB2/Driver/mysqli.php +++ /dev/null @@ -1,1106 +0,0 @@ -<?php -// vim: set et ts=4 sw=4 fdm=marker: -// +----------------------------------------------------------------------+ -// | PHP versions 4 and 5 | -// +----------------------------------------------------------------------+ -// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | -// | Stig. S. Bakken, Lukas Smith | -// | All rights reserved. | -// +----------------------------------------------------------------------+ -// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | -// | API as well as database abstraction for PHP applications. | -// | This LICENSE is in the BSD license style. | -// | | -// | Redistribution and use in source and binary forms, with or without | -// | modification, are permitted provided that the following conditions | -// | are met: | -// | | -// | Redistributions of source code must retain the above copyright | -// | notice, this list of conditions and the following disclaimer. | -// | | -// | Redistributions in binary form must reproduce the above copyright | -// | notice, this list of conditions and the following disclaimer in the | -// | documentation and/or other materials provided with the distribution. | -// | | -// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | -// | Lukas Smith nor the names of his contributors may be used to endorse | -// | or promote products derived from this software without specific prior| -// | written permission. | -// | | -// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | -// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | -// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | -// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | -// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | -// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | -// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| -// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | -// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | -// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| -// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | -// | POSSIBILITY OF SUCH DAMAGE. | -// +----------------------------------------------------------------------+ -// | Author: Lukas Smith <smith@pooteeweet.org> | -// +----------------------------------------------------------------------+ -// -// $Id$ -// - -/** - * MDB2 MySQL driver - * - * @package MDB2 - * @category Database - * @author Lukas Smith <smith@pooteeweet.org> - */ -class MDB2_Driver_mysqli extends MDB2_Driver_Common -{ - // {{{ properties - var $escape_quotes = "\\"; - - // }}} - // {{{ constructor - - /** - * Constructor - */ - function __construct() - { - parent::__construct(); - - $this->phptype = 'mysqli'; - $this->dbsyntax = 'mysqli'; - - $this->supported['sequences'] = 'emulated'; - $this->supported['indexes'] = true; - $this->supported['affected_rows'] = true; - $this->supported['transactions'] = false; - $this->supported['summary_functions'] = true; - $this->supported['order_by_text'] = true; - $this->supported['current_id'] = 'emulated'; - $this->supported['limit_queries'] = true; - $this->supported['LOBs'] = true; - $this->supported['replace'] = true; - $this->supported['sub_selects'] = false; - $this->supported['auto_increment'] = true; - $this->supported['primary_key'] = true; - - $this->options['default_table_type'] = null; - } - - // }}} - // {{{ errorInfo() - - /** - * This method is used to collect information about an error - * - * @param integer $error - * @return array - * @access public - */ - function errorInfo($error = null) - { - if ($this->connection) { - $native_code = @mysqli_errno($this->connection); - $native_msg = @mysqli_error($this->connection); - } else { - $native_code = @mysqli_errno(); - $native_msg = @mysqli_error(); - } - if (is_null($error)) { - static $ecode_map; - if (empty($ecode_map)) { - $ecode_map = array( - 1004 => MDB2_ERROR_CANNOT_CREATE, - 1005 => MDB2_ERROR_CANNOT_CREATE, - 1006 => MDB2_ERROR_CANNOT_CREATE, - 1007 => MDB2_ERROR_ALREADY_EXISTS, - 1008 => MDB2_ERROR_CANNOT_DROP, - 1022 => MDB2_ERROR_ALREADY_EXISTS, - 1044 => MDB2_ERROR_ACCESS_VIOLATION, - 1046 => MDB2_ERROR_NODBSELECTED, - 1048 => MDB2_ERROR_CONSTRAINT, - 1049 => MDB2_ERROR_NOSUCHDB, - 1050 => MDB2_ERROR_ALREADY_EXISTS, - 1051 => MDB2_ERROR_NOSUCHTABLE, - 1054 => MDB2_ERROR_NOSUCHFIELD, - 1061 => MDB2_ERROR_ALREADY_EXISTS, - 1062 => MDB2_ERROR_ALREADY_EXISTS, - 1064 => MDB2_ERROR_SYNTAX, - 1091 => MDB2_ERROR_NOT_FOUND, - 1100 => MDB2_ERROR_NOT_LOCKED, - 1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW, - 1142 => MDB2_ERROR_ACCESS_VIOLATION, - 1146 => MDB2_ERROR_NOSUCHTABLE, - 1216 => MDB2_ERROR_CONSTRAINT, - 1217 => MDB2_ERROR_CONSTRAINT, - ); - } - if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) { - $ecode_map[1022] = MDB2_ERROR_CONSTRAINT; - $ecode_map[1048] = MDB2_ERROR_CONSTRAINT_NOT_NULL; - $ecode_map[1062] = MDB2_ERROR_CONSTRAINT; - } else { - // Doing this in case mode changes during runtime. - $ecode_map[1022] = MDB2_ERROR_ALREADY_EXISTS; - $ecode_map[1048] = MDB2_ERROR_CONSTRAINT; - $ecode_map[1062] = MDB2_ERROR_ALREADY_EXISTS; - } - if (isset($ecode_map[$native_code])) { - $error = $ecode_map[$native_code]; - } - } - return array($error, $native_code, $native_msg); - } - - // }}} - // {{{ escape() - - /** - * Quotes a string so it can be safely used in a query. It will quote - * the text so it can safely be used within a query. - * - * @param string $text the input string to quote - * @return string quoted string - * @access public - */ - function escape($text) - { - return @mysqli_escape_string($this->connection, $text); - } - - // }}} - // {{{ quoteIdentifier() - - /** - * Quote a string so it can be safely used as a table or column name - * - * Quoting style depends on which database driver is being used. - * - * MySQL can't handle the backtick character (<kbd>`</kbd>) in - * table or column names. - * - * @param string $str identifier name to be quoted - * - * @return string quoted identifier string - * - * @access public - * @internal - */ - function quoteIdentifier($str) - { - return '`' . $str . '`'; - } - - // }}} - // {{{ beginTransaction() - - /** - * Start a transaction. - * - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function beginTransaction() - { - $this->debug('starting transaction', 'beginTransaction'); - if (!$this->supports('transactions')) { - return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'beginTransaction: transactions are not in use'); - } - if ($this->in_transaction) { - return MDB2_OK; //nothing to do - } - $result = $this->_doQuery('SET AUTOCOMMIT = 0', true); - if (PEAR::isError($result)) { - return $result; - } - $this->in_transaction = true; - return MDB2_OK; - } - - // }}} - // {{{ commit() - - /** - * Commit the database changes done during a transaction that is in - * progress. - * - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function commit() - { - $this->debug('commit transaction', 'commit'); - if (!$this->supports('transactions')) { - return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'commit: transactions are not in use'); - } - if (!$this->in_transaction) { - return $this->raiseError(MDB2_ERROR, null, null, - 'commit: transaction changes are being auto committed'); - } - $result = $this->_doQuery('COMMIT', true); - if (PEAR::isError($result)) { - return $result; - } - $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); - if (PEAR::isError($result)) { - return $result; - } - $this->in_transaction = false; - return MDB2_OK; - } - - // }}} - // {{{ rollback() - - /** - * Cancel any database changes done during a transaction that is in - * progress. - * - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function rollback() - { - $this->debug('rolling back transaction', 'rollback'); - if (!$this->supports('transactions')) { - return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'rollback: transactions are not in use'); - } - if (!$this->in_transaction) { - return $this->raiseError(MDB2_ERROR, null, null, - 'rollback: transactions can not be rolled back when changes are auto committed'); - } - $result = $this->_doQuery('ROLLBACK', true); - if (PEAR::isError($result)) { - return $result; - } - $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); - if (PEAR::isError($result)) { - return $result; - } - $this->in_transaction = false; - return MDB2_OK; - - } - - // }}} - // {{{ connect() - - /** - * Connect to the database - * - * @return true on success, MDB2 Error Object on failure - */ - function connect() - { - if (is_object($this->connection)) { - if (count(array_diff($this->connected_dsn, $this->dsn)) == 0) { - return MDB2_OK; - } - $this->connection = 0; - } - - if (!PEAR::loadExtension($this->phptype)) { - return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, - 'connect: extension '.$this->phptype.' is not compiled into PHP'); - } - - @ini_set('track_errors', true); - $php_errormsg = ''; - - if ($this->options['ssl'] === true) { - $init = @mysqli_init(); - @mysqli_ssl_set( - $init, - empty($this->dsn['key']) ? null : $this->dsn['key'], - empty($this->dsn['cert']) ? null : $this->dsn['cert'], - empty($this->dsn['ca']) ? null : $this->dsn['ca'], - empty($this->dsn['capath']) ? null : $this->dsn['capath'], - empty($this->dsn['cipher']) ? null : $this->dsn['cipher'] - ); - if ($connection = @mysqli_real_connect( - $init, - $this->dsn['hostspec'], - $this->dsn['username'], - $this->dsn['password'], - $this->database_name, - $this->dsn['port'], - $this->dsn['socket'])) - { - $connection = $init; - } - } else { - $connection = @mysqli_connect( - $this->dsn['hostspec'], - $this->dsn['username'], - $this->dsn['password'], - $this->database_name, - $this->dsn['port'], - $this->dsn['socket'] - ); - } - - @ini_restore('track_errors'); - - if (!$connection) { - if (($err = @mysqli_connect_error()) != '') { - return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $err); - } else { - return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $php_errormsg); - } - } - - $this->connection = $connection; - $this->connected_dsn = $this->dsn; - $this->connected_database_name = $this->database_name; - $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; - - $this->supported['transactions'] = false; - if ($this->options['default_table_type']) { - switch (strtoupper($this->options['default_table_type'])) { - case 'BERKELEYDB': - $this->options['default_table_type'] = 'BDB'; - case 'BDB': - case 'INNODB': - case 'GEMINI': - $this->supported['transactions'] = true; - break; - case 'HEAP': - case 'ISAM': - case 'MERGE': - case 'MRG_MYISAM': - case 'MYISAM': - break; - default: - $this->warnings[] = $default_table_type. - ' is not a supported default table type'; - } - } - - if ($this->options['use_transactions'] && !$this->supports('transactions')) { - $this->warnings[] = $this->options['default_table_type']. - ' is not a transaction-safe default table type; switched to INNODB'; - $this->options['default_table_type'] = 'INNODB'; - $this->supported['transactions'] = true; - } - - return MDB2_OK; - } - - // }}} - // {{{ disconnect() - - /** - * Log out and disconnect from the database. - * - * @return mixed true on success, false if not connected and error - * object on error - * @access public - */ - function disconnect($force = true) - { - if (is_object($this->connection)) { - if ($force) { - @mysqli_close($this->connection); - } - $this->connection = 0; - } - return MDB2_OK; - } - - // }}} - // {{{ _doQuery() - - /** - * Execute a query - * @param string $query query - * @param boolean $isManip if the query is a manipulation query - * @param resource $connection - * @param string $database_name - * @return result or error object - * @access protected - */ - function _doQuery($query, $isManip = false, $connection = null, $database_name = null) - { - $this->last_query = $query; - $this->debug($query, 'query'); - if ($this->options['disable_query']) { - if ($isManip) { - return 0; - } - return null; - } - - if (is_null($connection)) { - $err = $this->connect(); - if (PEAR::isError($err)) { - return $err; - } - $connection = $this->connection; - } - if (is_null($database_name)) { - $database_name = $this->database_name; - } - - if ($database_name) { - if ($database_name != $this->connected_database_name) { - if (!@mysqli_select_db($connection, $database_name)) { - return $this->raiseError(); - } - $this->connected_database_name = $database_name; - } - } - - $function = $this->options['result_buffering'] - ? 'mysqli_query' : 'mysqli_unbuffered_query'; - $result = @$function($connection, $query); - if (!$result) { - return $this->raiseError(); - } - - if ($isManip) { - return @mysqli_affected_rows($connection); - } - return $result; - } - - // }}} - // {{{ _modifyQuery() - - /** - * Changes a query string for various DBMS specific reasons - * - * @param string $query query to modify - * @return the new (modified) query - * @access protected - */ - function _modifyQuery($query, $isManip, $limit, $offset) - { - if ($limit > 0 - && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query) - ) { - $query = rtrim($query); - if (substr($query, -1) == ';') { - $query = substr($query, 0, -1); - } - if ($isManip) { - return $query . " LIMIT $limit"; - } else { - return $query . " LIMIT $offset, $limit"; - } - } - return $query; - } - - // }}} - // {{{ prepare() - - /** - * Prepares a query for multiple execution with execute(). - * With some database backends, this is emulated. - * prepare() requires a generic query as string like - * 'INSERT INTO numbers VALUES(?,?)' or - * 'INSERT INTO numbers VALUES(:foo,:bar)'. - * The ? and :[a-zA-Z] and are placeholders which can be set using - * bindParam() and the query can be send off using the execute() method. - * - * @param string $query the query to prepare - * @param mixed $types array that contains the types of the placeholders - * @param mixed $result_types array that contains the types of the columns in - * the result set - * @return mixed resource handle for the prepared query on success, a MDB2 - * error on failure - * @access public - * @see bindParam, execute - */ - function &prepare($query, $types = null, $result_types = null) - { - $isManip = MDB2::isManip($query); - $query = $this->_modifyQuery($query, $isManip, $this->row_limit, $this->row_offset); - $this->debug($query, 'prepare'); - $placeholder_type_guess = $placeholder_type = null; - $question = '?'; - $colon = ':'; - $position = 0; - while ($position < strlen($query)) { - $q_position = strpos($query, $question, $position); - $c_position = strpos($query, $colon, $position); - if ($q_position && $c_position) { - $p_position = min($q_position, $c_position); - } elseif ($q_position) { - $p_position = $q_position; - } elseif ($c_position) { - $p_position = $c_position; - } else { - break; - } - if (is_null($placeholder_type)) { - $placeholder_type_guess = $query[$p_position]; - } - if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) { - if (!is_int($end_quote = strpos($query, "'", $quote + 1))) { - $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, - 'prepare: query with an unterminated text string specified'); - return $err; - } - switch ($this->escape_quotes) { - case '': - case "'": - $position = $end_quote + 1; - break; - default: - if ($end_quote == $quote + 1) { - $position = $end_quote + 1; - } else { - if ($query[$end_quote-1] == $this->escape_quotes) { - $position = $end_quote; - } else { - $position = $end_quote + 1; - } - } - break; - } - } elseif ($query[$position] == $placeholder_type_guess) { - if ($placeholder_type_guess == '?') { - break; - } - if (is_null($placeholder_type)) { - $placeholder_type = $query[$p_position]; - $question = $colon = $placeholder_type; - } - $name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query); - if ($name === '') { - $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, - 'prepare: named parameter with an empty name'); - return $err; - } - $query = substr_replace($query, '?', $position, strlen($name)+1); - $position = $p_position + 1; - } else { - $position = $p_position; - } - } - $statement = @mysqli_prepare($this->connection, $query); - $class_name = 'MDB2_Statement_'.$this->phptype; - $obj =& new $class_name($this, $statement, $query, $types, $result_types); - return $obj; - } - - // }}} - // {{{ replace() - - /** - * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT - * query, except that if there is already a row in the table with the same - * key field values, the REPLACE query just updates its values instead of - * inserting a new row. - * - * The REPLACE type of query does not make part of the SQL standards. Since - * practically only MySQL implements it natively, this type of query is - * emulated through this method for other DBMS using standard types of - * queries inside a transaction to assure the atomicity of the operation. - * - * @access public - * - * @param string $table name of the table on which the REPLACE query will - * be executed. - * @param array $fields associative array that describes the fields and the - * values that will be inserted or updated in the specified table. The - * indexes of the array are the names of all the fields of the table. The - * values of the array are also associative arrays that describe the - * values and other properties of the table fields. - * - * Here follows a list of field properties that need to be specified: - * - * value: - * Value to be assigned to the specified field. This value may be - * of specified in database independent type format as this - * function can perform the necessary datatype conversions. - * - * Default: - * this property is required unless the Null property - * is set to 1. - * - * type - * Name of the type of the field. Currently, all types Metabase - * are supported except for clob and blob. - * - * Default: no type conversion - * - * null - * Boolean property that indicates that the value for this field - * should be set to null. - * - * The default value for fields missing in INSERT queries may be - * specified the definition of a table. Often, the default value - * is already null, but since the REPLACE may be emulated using - * an UPDATE query, make sure that all fields of the table are - * listed in this function argument array. - * - * Default: 0 - * - * key - * Boolean property that indicates that this field should be - * handled as a primary key or at least as part of the compound - * unique index of the table that will determine the row that will - * updated if it exists or inserted a new row otherwise. - * - * This function will fail if no key field is specified or if the - * value of a key field is set to null because fields that are - * part of unique index they may not be null. - * - * Default: 0 - * - * @return mixed MDB2_OK on success, a MDB2 error on failure - */ - function replace($table, $fields) - { - $count = count($fields); - $query = $values = ''; - $keys = $colnum = 0; - for (reset($fields); $colnum < $count; next($fields), $colnum++) { - $name = key($fields); - if ($colnum > 0) { - $query .= ','; - $values.= ','; - } - $query.= $name; - if (isset($fields[$name]['null']) && $fields[$name]['null']) { - $value = 'NULL'; - } else { - $value = $this->quote($fields[$name]['value'], $fields[$name]['type']); - } - $values.= $value; - if (isset($fields[$name]['key']) && $fields[$name]['key']) { - if ($value === 'NULL') { - return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, - 'replace: key value '.$name.' may not be NULL'); - } - $keys++; - } - } - if ($keys == 0) { - return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, - 'replace: not specified which fields are keys'); - } - $query = "REPLACE INTO $table ($query) VALUES ($values)"; - $this->last_query = $query; - $this->debug($query, 'query'); - return $this->_doQuery($query, true); - } - - // }}} - // {{{ nextID() - - /** - * returns the next free id of a sequence - * - * @param string $seq_name name of the sequence - * @param boolean $ondemand when true the seqence is - * automatic created, if it - * not exists - * - * @return mixed MDB2 Error Object or id - * @access public - */ - function nextID($seq_name, $ondemand = true) - { - $sequence_name = $this->getSequenceName($seq_name); - $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)"; - $this->expectError(MDB2_ERROR_NOSUCHTABLE); - $result = $this->_doQuery($query, true); - $this->popExpect(); - if (PEAR::isError($result)) { - if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { - $this->loadModule('Manager'); - // Since we are creating the sequence on demand - // we know the first id = 1 so initialize the - // sequence at 2 - $result = $this->manager->createSequence($seq_name, 2); - if (PEAR::isError($result)) { - return $this->raiseError(MDB2_ERROR, null, null, - 'nextID: on demand sequence '.$seq_name.' could not be created'); - } else { - // First ID of a newly created sequence is 1 - return 1; - } - } - return $result; - } - $value = @mysqli_insert_id($this->connection); - if (is_numeric($value)) { - $query = "DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value"; - $result = $this->_doQuery($query, true); - if (PEAR::isError($result)) { - $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; - } - } - return $value; - } - - // }}} - // {{{ lastInsertID() - - /** - * returns the autoincrement ID if supported or $id - * - * @param mixed $id value as returned by getBeforeId() - * @param string $table name of the table into which a new row was inserted - * @return mixed MDB2 Error Object or id - * @access public - */ - function lastInsertID($table = null, $field = null) - { - $value = @mysqli_insert_id($this->connection); - if (!$value) { - return $this->raiseError(); - } - return $value; - } - - // }}} - // {{{ currID() - - /** - * returns the current id of a sequence - * - * @param string $seq_name name of the sequence - * @return mixed MDB2 Error Object or id - * @access public - */ - function currID($seq_name) - { - $sequence_name = $this->getSequenceName($seq_name); - $query = "SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name"; - return $this->queryOne($query, 'integer'); - } -} - -class MDB2_Result_mysqli extends MDB2_Result_Common -{ - // }}} - // {{{ fetchRow() - - /** - * Fetch a row and insert the data into an existing array. - * - * @param int $fetchmode how the array data should be indexed - * @param int $rownum number of the row where the data can be found - * @return int data array on success, a MDB2 error on failure - * @access public - */ - function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) - { - if (!is_null($rownum)) { - $seek = $this->seek($rownum); - if (PEAR::isError($seek)) { - return $seek; - } - } - if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { - $fetchmode = $this->db->fetchmode; - } - if ($fetchmode & MDB2_FETCHMODE_ASSOC) { - $row = @mysqli_fetch_assoc($this->result); - if (is_array($row) - && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE - ) { - $row = array_change_key_case($row, $this->db->options['field_case']); - } - } else { - $row = @mysqli_fetch_row($this->result); - } - - if (!$row) { - if (is_null($this->result)) { - $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, - 'fetchRow: resultset has already been freed'); - return $err; - } - $null = null; - return $null; - } - if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { - $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); - } - if (!empty($this->values)) { - $this->_assignBindColumns($row); - } - if (!empty($this->types)) { - $row = $this->db->datatype->convertResultRow($this->types, $row); - } - if ($fetchmode === MDB2_FETCHMODE_OBJECT) { - $object_class = $this->db->options['fetch_class']; - if ($object_class == 'stdClass') { - $row = (object) $row; - } else { - $row = &new $object_class($row); - } - } - ++$this->rownum; - return $row; - } - - // }}} - // {{{ _getColumnNames() - - /** - * Retrieve the names of columns returned by the DBMS in a query result. - * - * @return mixed an associative array variable - * that will hold the names of columns. The - * indexes of the array are the column names - * mapped to lower case and the values are the - * respective numbers of the columns starting - * from 0. Some DBMS may not return any - * columns when the result set does not - * contain any rows. - * - * a MDB2 error on failure - * @access private - */ - function _getColumnNames() - { - $columns = array(); - $numcols = $this->numCols(); - if (PEAR::isError($numcols)) { - return $numcols; - } - for ($column = 0; $column < $numcols; $column++) { - $column_info = @mysqli_fetch_field_direct($this->result, $column); - $columns[$column_info->name] = $column; - } - if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { - $columns = array_change_key_case($columns, $this->db->options['field_case']); - } - return $columns; - } - - // }}} - // {{{ numCols() - - /** - * Count the number of columns returned by the DBMS in a query result. - * - * @return mixed integer value with the number of columns, a MDB2 error - * on failure - * @access public - */ - function numCols() - { - $cols = @mysqli_num_fields($this->result); - if (is_null($cols)) { - if (is_null($this->result)) { - return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, - 'numCols: resultset has already been freed'); - } - return $this->db->raiseError(); - } - return $cols; - } - - // }}} - // {{{ free() - - /** - * Free the internal resources associated with result. - * - * @return boolean true on success, false if result is invalid - * @access public - */ - function free() - { - @mysqli_free_result($this->result); - $this->result = null; - return MDB2_OK; - } -} - -class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli -{ - // }}} - // {{{ seek() - - /** - * seek to a specific row in a result set - * - * @param int $rownum number of the row where the data can be found - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function seek($rownum = 0) - { - if ($this->rownum != ($rownum - 1) && !@mysqli_data_seek($this->result, $rownum)) { - if (is_null($this->result)) { - return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, - 'seek: resultset has already been freed'); - } - return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, - 'seek: tried to seek to an invalid row number ('.$rownum.')'); - } - $this->rownum = $rownum - 1; - return MDB2_OK; - } - - // }}} - // {{{ valid() - - /** - * check if the end of the result set has been reached - * - * @return mixed true or false on sucess, a MDB2 error on failure - * @access public - */ - function valid() - { - $numrows = $this->numRows(); - if (PEAR::isError($numrows)) { - return $numrows; - } - return $this->rownum < ($numrows - 1); - } - - // }}} - // {{{ numRows() - - /** - * returns the number of rows in a result object - * - * @return mixed MDB2 Error Object or the number of rows - * @access public - */ - function numRows() - { - $rows = @mysqli_num_rows($this->result); - if (is_null($rows)) { - if (is_null($this->result)) { - return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, - 'numRows: resultset has already been freed'); - } - return $this->raiseError(); - } - return $rows; - } -} - -class MDB2_Statement_mysqli extends MDB2_Statement_Common -{ - // {{{ _execute() - - /** - * Execute a prepared query statement helper method. - * - * @param mixed $result_class string which specifies which result class to use - * @param mixed $result_wrap_class string which specifies which class to wrap results in - * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure - * @access private - */ - function &_execute($result_class = true, $result_wrap_class = false) - { - $isManip = MDB2::isManip($this->query); - $this->db->last_query = $this->query; - $this->db->debug($this->query, 'execute'); - if ($this->db->getOption('disable_query')) { - if ($isManip) { - $return = 0; - return $return; - } - $null = null; - return $null; - } - - $connected = $this->db->connect(); - if (PEAR::isError($connected)) { - return $connected; - } - - if (!empty($this->values)) { - $parameters = array(0 => $this->statement, 1 => ''); - $i = 0; - foreach ($this->values as $parameter => $value) { - $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; - $close = false; - if ($type == 'clob' || $type == 'blob') { - if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { - $close = true; - if ($match[1] == 'file://') { - $value = $match[2]; - } - $value = @fopen($value, 'r'); - } - } - if (is_resource($value)) { - while (!@feof($value)) { - $data = @fread($value, $this->db->options['lob_buffer_length']); - @mysqli_stmt_send_long_data($this->statement, $i, $data); - } - if ($close) { - @fclose($value); - } - $parameters[] = null; - $parameters[1].= 'b'; - } elseif ($type == 'clob' || $type == 'blob') { - do { - $data = substr($value, 0, $this->db->options['lob_buffer_length']); - $value = substr($value, $this->db->options['lob_buffer_length']); - @mysqli_stmt_send_long_data($this->statement, $i, $data); - } while ($value); - $parameters[] = null; - $parameters[1].= 'b'; - } else { - $parameters[] = $this->db->quote($value, $type, false); - $parameters[1].= $this->db->datatype->mapPrepareDatatype($type); - } - ++$i; - } - $result = @call_user_func_array('mysqli_stmt_bind_param', $parameters); - if ($result === false) { - $err =& $this->db->raiseError(); - return $err; - } - } - - if (!@mysqli_stmt_execute($this->statement)) { - $err =& $this->db->raiseError(); - return $err; - } - - if (!mysqli_stmt_result_metadata($this->statement)) { - $result = @mysqli_stmt_affected_rows($this->statement); - return $result; - } - - if ($this->db->options['result_buffering']) { - mysqli_stmt_store_result($this->statement); - } - - $result &= $this->db->_wrapResult($result, $this->types, - $result_class, $result_wrap_class); - return $result; - } - - // }}} - - // }}} - - // }}} - // {{{ free() - - /** - * Release resources allocated for the specified prepared query. - * - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function free() - { - if (!@mysqli_stmt_close($this->statement)) { - return $this->db->raiseError(); - } - return MDB2_OK; - } -} -?>
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