From c9462d0c1e2493a7399b1dbd21e23b215e97f808 Mon Sep 17 00:00:00 2001 From: svncommit Date: Thu, 27 Oct 2005 13:40:37 +0000 Subject: added all mdb2 drivers --- program/lib/MDB2/Driver/Manager/oci8.php | 673 +++++++++++++++++++++++++++++++ 1 file changed, 673 insertions(+) create mode 100755 program/lib/MDB2/Driver/Manager/oci8.php (limited to 'program/lib/MDB2/Driver/Manager/oci8.php') diff --git a/program/lib/MDB2/Driver/Manager/oci8.php b/program/lib/MDB2/Driver/Manager/oci8.php new file mode 100755 index 000000000..aa5ee3a66 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/oci8.php @@ -0,0 +1,673 @@ + | +// +----------------------------------------------------------------------+ + +// $Id$ + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 oci8 driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Manager_oci8 extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param object $db database object that is extended by this class + * @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; + } + + $username = $db->options['database_name_prefix'].$name; + $password = $db->dsn['password'] ? $db->dsn['password'] : $name; + $tablespace = $db->options['default_tablespace'] + ? ' DEFAULT TABLESPACE '.$db->options['default_tablespace'] : ''; + + $query = 'CREATE USER '.$username.' IDENTIFIED BY '.$password.$tablespace; + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + return $result; + } + $query = 'GRANT CREATE SESSION, CREATE TABLE, UNLIMITED TABLESPACE, CREATE SEQUENCE TO '.$username; + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + $query = 'DROP USER '.$username.' CASCADE'; + $result2 = $db->standaloneQuery($query); + if (PEAR::isError($result2)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createDatabase: could not setup the database user ('.$result->getUserinfo(). + ') and then could drop its records ('.$result2->getUserinfo().')'); + } + return $result; + } + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param object $db database object that is extended by this class + * @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; + } + + $username = $db->options['database_name_prefix'].$name; + return $db->standaloneQuery('DROP USER '.$username.' CASCADE'); + } + + function _makeAutoincrement($name, $table, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $index_name = $table . '_autoincrement_pk'; + $definition = array( + 'primary' => true, + 'fields' => array($name), + ); + $result = $db->manager->createIndex($table, $index_name, $definition); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_makeAutoincrement: primary key for autoincrement PK could not be created'); + } + + $result = $db->manager->createSequence($table, $start); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_makeAutoincrement: sequence for autoincrement PK could not be created'); + } + + $sequence_name = $db->getSequenceName($table); + $trigger_name = $table . '_autoincrement_pk'; + $trigger_sql = "CREATE TRIGGER $trigger_name BEFORE INSERT ON $table"; + $trigger_sql.= " FOR EACH ROW BEGIN IF (:new.$name IS NULL) THEN SELECT "; + $trigger_sql.= "$sequence_name.NEXTVAL INTO :new.$name FROM DUAL; END IF; END;"; + + return $db->query($trigger_sql); + } + + function _dropAutoincrement($name, $table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->manager->dropSequence($table); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_dropAutoincrement: sequence for autoincrement PK could not be dropped'); + } + + $sequence_name = $db->getSequenceName($table); + $trigger_name = $table . '_autoincrement_pk'; + $trigger_sql = 'DROP TRIGGER ' . $trigger_name; + + return $db->query($trigger_sql); + } + + // }}} + // {{{ 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) + { + $result = parent::createTable($name, $fields); + if (PEAR::isError($result)) { + return $result; + } + foreach($fields as $field_name => $field) { + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return $this->_makeAutoincrement($field_name, $name); + } + } + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param object $db database object that is extended by this class + * @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 'name': + break; + case 'rename': + default: + return $db->raiseError(MDB2_ERROR, null, null, + 'alterTable: change type "'.$change_name.'" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + if (array_key_exists('remove', $changes)) { + $query = ' DROP ('; + $fields = $changes['remove']; + $query.= implode(', ', array_keys($fields)); + $query.= ')'; + if (PEAR::isError($result = $db->query("ALTER TABLE $name $query"))) { + return $result; + } + $query = ''; + } + + $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$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; + } + $query.= ' ADD (' . $type_declaration . ')'; + } + } + + if (array_key_exists('change', $changes)) { + foreach ($changes['change'] as $field_name => $field) { + $query.= "MODIFY ($field_name " . $db->getDeclaration($field['type'], $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 $db; + } + + if ($db->options['database_name_prefix']) { + $query = 'SELECT SUBSTR(username, ' + .(strlen($db->options['database_name_prefix'])+1) + .") FROM sys.dba_users WHERE username LIKE '" + .$db->options['database_name_prefix']."%'"; + } else { + $query = 'SELECT username FROM sys.dba_users'; + } + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + return $result; + } + $databases = $result->fetchCol(); + if (PEAR::isError($databases)) { + return $databases; + } + // is it legit to force this to lowercase? + $databases = array_keys(array_change_key_case(array_flip($databases), $db->options['field_case'])); + $result->free(); + return $databases; + } + + // }}} + // {{{ listUsers() + + /** + * list all users in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT username FROM sys.all_users'; + $users = $db->queryCol($query); + if (PEAR::isError($users)) { + return $users; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $users = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $users); + } + return $users; + } + // }}} + // {{{ listViews() + + /** + * list all views in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT view_name FROM sys.user_views'; + $views = $db->queryCol($query); + if (PEAR::isError($views)) { + return $views; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $views = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $views); + } + return $views; + } + + // }}} + // {{{ listFunctions() + + /** + * list all functions in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listFunctions() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name FROM sys.user_source WHERE line = 1 AND type = 'FUNCTION'"; + $functions = $db->queryCol($query); + if (PEAR::isError($functions)) { + return $functions; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $functions = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $functions); + } + return $functions; + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB error on failure + * @access public + **/ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT table_name FROM sys.user_tables'; + return $db->queryCol($query); + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = strtoupper($table); + $query = "SELECT column_name FROM user_tab_columns WHERE table_name='$table' ORDER BY column_id"; + $fields = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $fields = array_map(($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']) { + $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY ("; + } else { + $query = 'CREATE'; + if (array_key_exists('unique', $definition) && $definition['unique']) { + $query.= ' UNIQUE'; + } + $query .= " INDEX $name ON $table ("; + } + $query .= implode(', ', array_keys($definition['fields'])) . ')'; + + return $db->query($query); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param object $db database object that is extended by this class + * @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); + return $db->query("CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1". + ($start < 1 ? " MINVALUE $start" : '')); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param object $db database object that is extended by this class + * @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 SEQUENCE $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; + } + + $query = "SELECT sequence_name FROM sys.user_sequences"; + $table_names = $db->queryCol($query); + 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[] = $sqn; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $sequences = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $sequences); + } + return $sequences; + }} +?> \ No newline at end of file -- cgit v1.2.3