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-<?php
-// +----------------------------------------------------------------------+
-// | 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> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-//
-
-require_once 'MDB2/Driver/Manager/Common.php';
-
-/**
- * MDB2 MySQLi driver for the management modules
- *
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@pooteeweet.org>
- */
-class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
-{
- // {{{ properties
- var $verified_table_types = array();#
- // }}}
-
- // }}}
- // {{{ _verifyTableType()
-
- /**
- * verify that chosen transactional table hanlder is available in the database
- *
- * @param string $table_type name of the table handler
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access protected
- */
- function _verifyTableType($table_type)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- switch (strtoupper($table_type)) {
- case 'BERKELEYDB':
- case 'BDB':
- $check = array('have_bdb');
- break;
- case 'INNODB':
- $check = array('have_innobase', 'have_innodb');
- break;
- case 'GEMINI':
- $check = array('have_gemini');
- break;
- case 'HEAP':
- case 'ISAM':
- case 'MERGE':
- case 'MRG_MYISAM':
- case 'MYISAM':
- case '':
- return MDB2_OK;
- default:
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- $table_type.' is not a supported table type');
- }
- if (isset($this->verified_table_types[$table_type])
- && $this->verified_table_types[$table_type] == $db->connection
- ) {
- return MDB2_OK;
- }
- $not_supported = false;
- for ($i = 0, $j = count($check); $i < $j; ++$i) {
- $query = 'SHOW VARIABLES LIKE '.$db->quote($check[$i], 'text');
- $has = $db->queryRow($query, null, MDB2_FETCHMODE_ORDERED);
- if (PEAR::isError($has)) {
- return $has;
- }
- if (is_array($has)) {
- $not_supported = true;
- if ($has[1] == 'YES') {
- $this->verified_table_types[$table_type] = $db->connection;
- return MDB2_OK;
- }
- }
- }
- if ($not_supported) {
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- $table_type.' is not a supported table type by this MySQL database server');
- }
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'could not tell if '.$table_type.' is a supported table type');
- }
-
- // }}}
- // {{{ createDatabase()
-
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'CREATE DATABASE '.$name;
- $result = $db->query($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ dropDatabase()
-
- /**
- * drop an existing database
- *
- * @param string $name name of the database that should be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropDatabase($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'DROP DATABASE '.$name;
- $result = $db->query($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ createTable()
-
- /**
- * create a new table
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * The indexes of the array entries are the names of the fields of the table an
- * the array entry values are associative arrays like those that are meant to be
- * passed with the field definitions to get[Type]Declaration() functions.
- *
- * Example
- * array(
- *
- * 'id' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * 'notnull' => 1
- * 'default' => 0
- * ),
- * 'name' => array(
- * 'type' => 'text',
- * 'length' => 12
- * ),
- * 'password' => array(
- * 'type' => 'text',
- * 'length' => 12
- * )
- * );
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createTable($name, $fields)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if (!$name) {
- return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
- 'createTable: no valid table name specified');
- }
- if (empty($fields)) {
- return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
- 'createTable: no fields specified for table "'.$name.'"');
- }
- $verify = $this->_verifyTableType($db->options['default_table_type']);
- if (PEAR::isError($verify)) {
- return $verify;
- }
- $query_fields = $this->getFieldDeclarationList($fields);
- if (PEAR::isError($query_fields)) {
- return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
- 'createTable: '.$this->getUserinfo());
- }
- $query = "CREATE TABLE $name ($query_fields)".(strlen($db->options['default_table_type'])
- ? ' TYPE='.$db->options['default_table_type'] : '');
-
- return $db->query($query);
- }
-
- // }}}
- // {{{ alterTable()
-
- /**
- * alter an existing table
- *
- * @param string $name name of the table that is intended to be changed.
- * @param array $changes associative array that contains the details of each type
- * of change that is intended to be performed. The types of
- * changes that are currently supported are defined as follows:
- *
- * name
- *
- * New name for the table.
- *
- * add
- *
- * Associative array with the names of fields to be added as
- * indexes of the array. The value of each entry of the array
- * should be set to another associative array with the properties
- * of the fields to be added. The properties of the fields should
- * be the same as defined by the Metabase parser.
- *
- *
- * remove
- *
- * Associative array with the names of fields to be removed as indexes
- * of the array. Currently the values assigned to each entry are ignored.
- * An empty array should be used for future compatibility.
- *
- * rename
- *
- * Associative array with the names of fields to be renamed as indexes
- * of the array. The value of each entry of the array should be set to
- * another associative array with the entry named name with the new
- * field name and the entry named Declaration that is expected to contain
- * the portion of the field declaration already in DBMS specific SQL code
- * as it is used in the CREATE TABLE statement.
- *
- * change
- *
- * Associative array with the names of the fields to be changed as indexes
- * of the array. Keep in mind that if it is intended to change either the
- * name of a field and any other properties, the change array entries
- * should have the new names of the fields as array indexes.
- *
- * The value of each entry of the array should be set to another associative
- * array with the properties of the fields to that are meant to be changed as
- * array entries. These entries should be assigned to the new values of the
- * respective properties. The properties of the fields should be the same
- * as defined by the Metabase parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'gender' => array(
- * 'default' => 'M',
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * )
- * )
- * )
- *
- * @param boolean $check indicates whether the function should just check if the DBMS driver
- * can perform the requested table alterations if the value is true or
- * actually perform them otherwise.
- * @access public
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function alterTable($name, $changes, $check)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- foreach ($changes as $change_name => $change) {
- switch ($change_name) {
- case 'add':
- case 'remove':
- case 'change':
- case 'rename':
- case 'name':
- break;
- default:
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'alterTable: change type "'.$change_name.'" not yet supported');
- }
- }
-
- if ($check) {
- return MDB2_OK;
- }
-
- $query = (array_key_exists('name', $changes) ? 'RENAME AS '.$changes['name'] : '');
-
- if (array_key_exists('add', $changes)) {
- foreach ($changes['add'] as $field_name => $field) {
- $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
- if (PEAR::isError($type_declaration)) {
- return $err;
- }
- if ($query) {
- $query.= ', ';
- }
- $query.= 'ADD ' . $type_declaration;
- }
- }
-
- if (array_key_exists('remove', $changes)) {
- foreach ($changes['remove'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- $query.= 'DROP ' . $field_name;
- }
- }
-
- $rename = array();
- if (array_key_exists('rename', $changes)) {
- foreach ($changes['rename'] as $field_name => $field) {
- $rename[$field['name']] = $field_name;
- }
- }
-
- if (array_key_exists('change', $changes)) {
- foreach ($changes['change'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- if (isset($rename[$field_name])) {
- $old_field_name = $rename[$field_name];
- unset($rename[$field_name]);
- } else {
- $old_field_name = $field_name;
- }
- $query.= "CHANGE $field_name " . $db->getDeclaration($field['type'], $old_field_name, $field);
- }
- }
-
- if (!empty($rename)) {
- foreach ($rename as $rename_name => $renamed_field) {
- if ($query) {
- $query.= ', ';
- }
- $old_field_name = $renamed_field;
- $field = $changes['rename'][$old_field_name];
- $query.= 'CHANGE ' . $db->getDeclaration($field['type'], $old_field_name, $field);
- }
- }
-
- if (!$query) {
- return MDB2_OK;
- }
-
- return $db->query("ALTER TABLE $name $query");
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $databases = $db->queryCol('SHOW DATABASES');
- return $databases;
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $users = $db->queryCol('SELECT DISTINCT USER FROM USER');
- return $users;
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listTables()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table_names = $db->queryCol('SHOW TABLES');
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
-
- $tables = array();
- for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
- if (!$this->_isSequenceName($table_names[$i]))
- $tables[] = $table_names[$i];
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $tables = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $tables);
- }
-
- return $tables;
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a tables in the current database
- *
- * @param string $table name of table that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $fields = $db->queryCol("SHOW COLUMNS FROM $table");
- if (PEAR::isError($fields)) {
- return $fields;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields);
- }
-
- return $fields;
- }
-
- // }}}
- // {{{ createIndex()
-
- /**
- * get the stucture of a field into an array
- *
- * @param string $table name of the table on which the index is to be created
- * @param string $name name of the index to be created
- * @param array $definition associative array that defines properties of the index to be created.
- * Currently, only one property named FIELDS is supported. This property
- * is also an associative with the names of the index fields as array
- * indexes. Each entry of this array is set to another type of associative
- * array that specifies properties of the index that are specific to
- * each field.
- *
- * Currently, only the sorting property is supported. It should be used
- * to define the sorting direction of the index. It may be set to either
- * ascending or descending.
- *
- * Not all DBMS support index sorting direction configuration. The DBMS
- * drivers of those that do not support it ignore this property. Use the
- * function supports() to determine whether the DBMS driver can manage indexes.
-
- * Example
- * array(
- * 'fields' => array(
- * 'user_name' => array(
- * 'sorting' => 'ascending'
- * ),
- * 'last_login' => array()
- * )
- * )
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createIndex($table, $name, $definition)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if (array_key_exists('primary', $definition) && $definition['primary']) {
- $type = 'PRIMARY';
- $name = 'KEY';
- } elseif (array_key_exists('unique', $definition) && $definition['unique']) {
- $type = 'UNIQUE';
- } else {
- $type = 'INDEX';
- }
-
- $query = "ALTER TABLE $table ADD $type $name (";
- $query.= implode(', ', array_keys($definition['fields']));
- $query.= ')';
-
- return $db->query($query);
- }
-
- // }}}
- // {{{ dropIndex()
-
- /**
- * drop existing index
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the index to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropIndex($table, $name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->query("ALTER TABLE $table DROP INDEX $name");
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $key_name = 'Key_name';
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $key_name = strtolower($key_name);
- } else {
- $key_name = strtoupper($key_name);
- }
- }
-
- $query = "SHOW INDEX FROM $table";
- $indexes_all = $db->queryCol($query, 'text', $key_name);
- if (PEAR::isError($indexes_all)) {
- return $indexes_all;
- }
-
- $indexes = array_unique($indexes_all);
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $indexes = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $indexes);
- }
-
- return $indexes;
- }
-
- // }}}
- // {{{ createSequence()
-
- /**
- * create sequence
- *
- * @param string $seq_name name of the sequence to be created
- * @param string $start start value of the sequence; default is 1
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createSequence($seq_name, $start = 1)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->getSequenceName($seq_name);
- $seqcol_name = $db->options['seqcol_name'];
- $result = $this->_verifyTableType($db->options['default_table_type']);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- $res = $db->query("CREATE TABLE $sequence_name".
- "($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))".
- (strlen($db->options['default_table_type']) ? ' TYPE='.$db->options['default_table_type'] : '')
- );
-
- if (PEAR::isError($res)) {
- return $res;
- }
-
- if ($start == 1) {
- return MDB2_OK;
- }
-
- $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
- if (!PEAR::isError($res)) {
- return MDB2_OK;
- }
-
- // Handle error
- $result = $db->query("DROP TABLE $sequence_name");
- if (PEAR::isError($result)) {
- return $db->raiseError(MDB2_ERROR, null, null,
- 'createSequence: could not drop inconsistent sequence table ('.
- $result->getMessage().' ('.$result->getUserinfo().'))');
- }
-
- return $db->raiseError(MDB2_ERROR, null, null,
- 'createSequence: could not create sequence table ('.
- $res->getMessage().' ('.$res->getUserinfo().'))');
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * drop existing sequence
- *
- * @param string $seq_name name of the sequence to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropSequence($seq_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->getSequenceName($seq_name);
- return $db->query("DROP TABLE $sequence_name");
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function listSequences()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table_names = $db->queryCol('SHOW TABLES');
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
-
- $sequences = array();
- for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
- if ($sqn = $this->_isSequenceName($table_names[$i])) {
- $sequences[] = $sqn;
- }
- }
-
- return $sequences;
- }
-
- // }}}
-}
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 01:46:52 +0000