From b076a460e5418ae8f0db0b4b392d91853fd2a21b Mon Sep 17 00:00:00 2001 From: thomascube Date: Wed, 26 Oct 2005 22:12:36 +0000 Subject: Finished message sorting and fixed some skin issues --- program/lib/MDB2/Driver/Manager/mysql.php | 749 ++++++++++++++++++++++++++++++ 1 file changed, 749 insertions(+) create mode 100644 program/lib/MDB2/Driver/Manager/mysql.php (limited to 'program/lib/MDB2/Driver/Manager') diff --git a/program/lib/MDB2/Driver/Manager/mysql.php b/program/lib/MDB2/Driver/Manager/mysql.php new file mode 100644 index 000000000..120467c77 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mysql.php @@ -0,0 +1,749 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 MySQL driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Manager_mysql 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 -- cgit v1.2.3