715 lines
27 KiB
PHP
715 lines
27 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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#namespace Doctrine::DBAL::Schema;
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/**
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* xxx
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Revision$
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* @since 2.0
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*/
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class Doctrine_Schema_OracleSchemaManager extends Doctrine_Schema_SchemaManager
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{
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public function __construct(Doctrine_Connection_Oracle $conn)
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{
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$this->_conn = $conn;
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}
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/**
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* create a new database
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*
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* @param object $db database object that is extended by this class
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* @param string $name name of the database that should be created
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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public function createDatabase($name)
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{
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if ( ! $this->conn->getAttribute(Doctrine::ATTR_EMULATE_DATABASE))
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throw new Doctrine_Export_Exception('database creation is only supported if the "emulate_database" attribute is enabled');
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$username = sprintf($this->conn->getAttribute(Doctrine::ATTR_DB_NAME_FORMAT), $name);
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$password = $this->conn->dsn['password'] ? $this->conn->dsn['password'] : $name;
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$tablespace = $this->conn->getAttribute(Doctrine::ATTR_DB_NAME_FORMAT)
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? ' DEFAULT TABLESPACE '.$this->conn->options['default_tablespace'] : '';
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$query = 'CREATE USER ' . $username . ' IDENTIFIED BY ' . $password . $tablespace;
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$result = $this->conn->exec($query);
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try {
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$query = 'GRANT CREATE SESSION, CREATE TABLE, UNLIMITED TABLESPACE, CREATE SEQUENCE, CREATE TRIGGER TO ' . $username;
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$result = $this->conn->exec($query);
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} catch (Exception $e) {
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$query = 'DROP USER '.$username.' CASCADE';
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$result2 = $this->conn->exec($query);
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}
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return true;
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}
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/**
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* drop an existing database
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*
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* @param object $this->conn database object that is extended by this class
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* @param string $name name of the database that should be dropped
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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public function dropDatabase($name)
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{
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if ( ! $this->conn->getAttribute(Doctrine::ATTR_EMULATE_DATABASE))
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throw new Doctrine_Export_Exception('database dropping is only supported if the
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"emulate_database" option is enabled');
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$username = sprintf($this->conn->getAttribute(Doctrine::ATTR_DB_NAME_FORMAT), $name);
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return $this->conn->exec('DROP USER ' . $username . ' CASCADE');
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}
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/**
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* add an autoincrement sequence + trigger
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*
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* @param string $name name of the PK field
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* @param string $table name of the table
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* @param string $start start value for the sequence
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access private
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*/
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public function _makeAutoincrement($name, $table, $start = 1)
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{
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$sql = array();
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$table = strtoupper($table);
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$indexName = $table . '_AI_PK';
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$definition = array(
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'primary' => true,
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'fields' => array($name => true),
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);
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$sql[] = $this->createConstraintSql($table, $indexName, $definition);
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if (is_null($start)) {
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$query = 'SELECT MAX(' . $this->conn->quoteIdentifier($name, true) . ') FROM ' . $this->conn->quoteIdentifier($table, true);
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$start = $this->conn->fetchOne($query);
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++$start;
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}
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$sql[] = $this->createSequenceSql($table, $start);
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$sequenceName = $this->conn->formatter->getSequenceName($table);
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$triggerName = $this->conn->quoteIdentifier($table . '_AI_PK', true);
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$table = $this->conn->quoteIdentifier($table, true);
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$name = $this->conn->quoteIdentifier($name, true);
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$sql[] = 'CREATE TRIGGER ' . $triggerName . '
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BEFORE INSERT
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ON '.$table.'
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FOR EACH ROW
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DECLARE
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last_Sequence NUMBER;
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last_InsertID NUMBER;
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BEGIN
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SELECT '.$sequenceName.'.NEXTVAL INTO :NEW.'.$name.' FROM DUAL;
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IF (:NEW.'.$name.' IS NULL OR :NEW.'.$name.' = 0) THEN
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SELECT '.$sequenceName.'.NEXTVAL INTO :NEW.'.$name.' FROM DUAL;
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ELSE
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SELECT NVL(Last_Number, 0) INTO last_Sequence
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FROM User_Sequences
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WHERE UPPER(Sequence_Name) = UPPER(\''.$sequenceName.'\');
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SELECT :NEW.id INTO last_InsertID FROM DUAL;
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WHILE (last_InsertID > last_Sequence) LOOP
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SELECT ' . $sequenceName . '.NEXTVAL INTO last_Sequence FROM DUAL;
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END LOOP;
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END IF;
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END;
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';
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return $sql;
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}
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/**
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* drop an existing autoincrement sequence + trigger
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*
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* @param string $table name of the table
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* @return void
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*/
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public function dropAutoincrement($table)
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{
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$table = strtoupper($table);
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$triggerName = $table . '_AI_PK';
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$trigger_name_quoted = $this->conn->quote($triggerName);
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$query = 'SELECT trigger_name FROM user_triggers';
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$query.= ' WHERE trigger_name='.$trigger_name_quoted.' OR trigger_name='.strtoupper($trigger_name_quoted);
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$trigger = $this->conn->fetchOne($query);
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if ($trigger) {
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$trigger_name = $this->conn->quoteIdentifier($table . '_AI_PK', true);
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$trigger_sql = 'DROP TRIGGER ' . $trigger_name;
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// if throws exception, trigger for autoincrement PK could not be dropped
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$this->conn->exec($trigger_sql);
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// if throws exception, sequence for autoincrement PK could not be dropped
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$this->dropSequence($table);
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$indexName = $table . '_AI_PK';
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// if throws exception, primary key for autoincrement PK could not be dropped
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$this->dropConstraint($table, $indexName);
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}
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}
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/**
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* A method to return the required SQL string that fits between CREATE ... TABLE
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* to create the table as a temporary table.
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*
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* @return string The string required to be placed between "CREATE" and "TABLE"
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* to generate a temporary table, if possible.
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*/
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public function getTemporaryTableQuery()
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{
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return 'GLOBAL TEMPORARY';
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}
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/**
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* getAdvancedForeignKeyOptions
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* Return the FOREIGN KEY query section dealing with non-standard options
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* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
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*
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* @param array $definition foreign key definition
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* @return string
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* @access protected
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*/
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public function getAdvancedForeignKeyOptions(array $definition)
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{
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$query = '';
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if (isset($definition['onDelete'])) {
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$query .= ' ON DELETE ' . $definition['onDelete'];
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}
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if (isset($definition['deferrable'])) {
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$query .= ' DEFERRABLE';
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} else {
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$query .= ' NOT DEFERRABLE';
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}
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if (isset($definition['feferred'])) {
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$query .= ' INITIALLY DEFERRED';
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} else {
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$query .= ' INITIALLY IMMEDIATE';
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}
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return $query;
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}
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/**
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* create a new table
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*
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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*
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* Example
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* array(
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*
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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*
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* @return void
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*/
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public function createTable($name, array $fields, array $options = array())
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{
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$this->conn->beginTransaction();
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foreach ($this->createTableSql($name, $fields, $options) as $sql) {
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$this->conn->exec($sql);
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}
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$this->conn->commit();
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}
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/**
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* create a new table
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*
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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*
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* Example
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* array(
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*
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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*
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* @return void
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*/
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public function createTableSql($name, array $fields, array $options = array())
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{
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$sql = parent::createTableSql($name, $fields, $options);
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foreach ($fields as $fieldName => $field) {
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if (isset($field['autoincrement']) && $field['autoincrement'] ||
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(isset($field['autoinc']) && $fields['autoinc'])) {
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$sql = array_merge($sql, $this->_makeAutoincrement($fieldName, $name));
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}
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}
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return $sql;
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}
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/**
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* drop an existing table
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*
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* @param string $name name of the table that should be dropped
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* @return void
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*/
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public function dropTable($name)
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{
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//$this->conn->beginNestedTransaction();
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$result = $this->dropAutoincrement($name);
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$result = parent::dropTable($name);
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//$this->conn->completeNestedTransaction();
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return $result;
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}
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/**
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* alter an existing table
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*
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* add
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the MDB2 parser.
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*
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*
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* remove
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* rename
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* change
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the change array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the MDB2 parser.
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*
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* Example
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* array(
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* 'name' => 'userlist',
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* 'add' => array(
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* 'quota' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* )
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* ),
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* 'remove' => array(
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* 'file_limit' => array(),
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* 'time_limit' => array()
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* ),
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* 'change' => array(
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* 'name' => array(
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* 'length' => '20',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 20,
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* ),
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* )
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* ),
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* 'rename' => array(
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* 'sex' => array(
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* 'name' => 'gender',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 1,
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* 'default' => 'M',
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* ),
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* )
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* )
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* )
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*
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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @return void
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*/
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public function alterTable($name, array $changes, $check = false)
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{
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foreach ($changes as $changeName => $change) {
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switch ($changeName) {
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case 'add':
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case 'remove':
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case 'change':
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case 'name':
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case 'rename':
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break;
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default:
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throw new Doctrine_Export_Exception('change type "' . $changeName . '" not yet supported');
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}
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}
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if ($check) {
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return false;
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}
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$name = $this->conn->quoteIdentifier($name, true);
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if ( ! empty($changes['add']) && is_array($changes['add'])) {
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$fields = array();
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foreach ($changes['add'] as $fieldName => $field) {
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$fields[] = $this->conn->getDeclaration($fieldName, $field);
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}
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$result = $this->conn->exec('ALTER TABLE ' . $name . ' ADD (' . implode(', ', $fields) . ')');
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}
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if ( ! empty($changes['change']) && is_array($changes['change'])) {
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$fields = array();
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foreach ($changes['change'] as $fieldName => $field) {
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$fields[] = $fieldName. ' ' . $this->conn->getDeclaration('', $field['definition']);
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}
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$result = $this->conn->exec('ALTER TABLE ' . $name . ' MODIFY (' . implode(', ', $fields) . ')');
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}
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if ( ! empty($changes['rename']) && is_array($changes['rename'])) {
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foreach ($changes['rename'] as $fieldName => $field) {
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$query = 'ALTER TABLE ' . $name . ' RENAME COLUMN ' . $this->conn->quoteIdentifier($fieldName, true)
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. ' TO ' . $this->conn->quoteIdentifier($field['name']);
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$result = $this->conn->exec($query);
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}
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}
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if ( ! empty($changes['remove']) && is_array($changes['remove'])) {
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$fields = array();
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foreach ($changes['remove'] as $fieldName => $field) {
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$fields[] = $this->conn->quoteIdentifier($fieldName, true);
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}
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$result = $this->conn->exec('ALTER TABLE ' . $name . ' DROP COLUMN ' . implode(', ', $fields));
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}
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if ( ! empty($changes['name'])) {
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$changeName = $this->conn->quoteIdentifier($changes['name'], true);
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$result = $this->conn->exec('ALTER TABLE ' . $name . ' RENAME TO ' . $changeName);
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}
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}
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/**
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* create sequence
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*
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* @param string $seqName name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @param array $options An associative array of table options:
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* array(
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* 'comment' => 'Foo',
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* 'charset' => 'utf8',
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* 'collate' => 'utf8_unicode_ci',
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* );
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* @return string
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*/
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public function createSequenceSql($seqName, $start = 1, array $options = array())
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{
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$sequenceName = $this->_conn->quoteIdentifier($this->_conn->formatter->getSequenceName($seqName), true);
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$query = 'CREATE SEQUENCE ' . $sequenceName . ' START WITH ' . $start . ' INCREMENT BY 1 NOCACHE';
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$query .= ($start < 1 ? ' MINVALUE ' . $start : '');
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return $query;
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}
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|
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/**
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* drop existing sequence
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*
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* @param object $this->_conn database object that is extended by this class
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* @param string $seqName name of the sequence to be dropped
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* @return string
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*/
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public function dropSequenceSql($seqName)
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{
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$sequenceName = $this->_conn->quoteIdentifier($this->_conn->formatter->getSequenceName($seqName), true);
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return 'DROP SEQUENCE ' . $sequenceName;
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}
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/**
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* lists all databases
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*
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* @return array
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*/
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public function listDatabases()
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{
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if ( ! $this->_conn->getAttribute(Doctrine::ATTR_EMULATE_DATABASE)) {
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throw new Doctrine_Import_Exception('database listing is only supported if the "emulate_database" option is enabled');
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}
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/**
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|
if ($this->_conn->options['database_name_prefix']) {
|
|
$query = 'SELECT SUBSTR(username, ';
|
|
$query.= (strlen($this->_conn->getAttribute(['database_name_prefix'])+1);
|
|
$query.= ") FROM sys.dba_users WHERE username LIKE '";
|
|
$query.= $this->_conn->options['database_name_prefix']."%'";
|
|
} else {
|
|
*/
|
|
$query = 'SELECT username FROM sys.dba_users';
|
|
|
|
$result2 = $this->_conn->standaloneQuery($query);
|
|
$result = $result2->fetchColumn();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* lists all availible database functions
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listFunctions()
|
|
{
|
|
$query = "SELECT name FROM sys.user_source WHERE line = 1 AND type = 'FUNCTION'";
|
|
|
|
return $this->_conn->fetchColumn($query);
|
|
}
|
|
|
|
/**
|
|
* lists all database triggers
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTriggers($database = null)
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists all database sequences
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listSequences($database = null)
|
|
{
|
|
$query = "SELECT sequence_name FROM sys.user_sequences";
|
|
|
|
$tableNames = $this->_conn->fetchColumn($query);
|
|
|
|
return array_map(array($this->_conn->formatter, 'fixSequenceName'), $tableNames);
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableConstraints($table)
|
|
{
|
|
$table = $this->_conn->quote($table, 'text');
|
|
|
|
$query = 'SELECT index_name name FROM user_constraints'
|
|
. ' WHERE table_name = ' . $table . ' OR table_name = ' . strtoupper($table);
|
|
|
|
$constraints = $this->_conn->fetchColumn($query);
|
|
|
|
return array_map(array($this->_conn->formatter, 'fixIndexName'), $constraints);
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableColumns($table)
|
|
{
|
|
$table = strtoupper($table);
|
|
$sql = "SELECT column_name, data_type, data_length, nullable, data_default, data_scale, data_precision FROM all_tab_columns"
|
|
. " WHERE table_name = '" . $table . "' ORDER BY column_name";
|
|
|
|
$result = $this->_conn->fetchAssoc($sql);
|
|
|
|
$descr = array();
|
|
|
|
foreach($result as $val) {
|
|
$val = array_change_key_case($val, CASE_LOWER);
|
|
$decl = $this->_conn->dataDict->getPortableDeclaration($val);
|
|
|
|
|
|
$descr[$val['column_name']] = array(
|
|
'name' => $val['column_name'],
|
|
'notnull' => (bool) ($val['nullable'] === 'N'),
|
|
'ntype' => $val['data_type'],
|
|
'type' => $decl['type'][0],
|
|
'alltypes' => $decl['type'],
|
|
'fixed' => $decl['fixed'],
|
|
'unsigned' => $decl['unsigned'],
|
|
'default' => $val['data_default'],
|
|
'length' => $val['data_length'],
|
|
'precision' => $val['data_precision'],
|
|
'scale' => $val['scale'],
|
|
);
|
|
}
|
|
|
|
return $descr;
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableIndexes($table)
|
|
{
|
|
$table = $this->_conn->quote($table, 'text');
|
|
$query = 'SELECT index_name name FROM user_indexes'
|
|
. ' WHERE table_name = ' . $table . ' OR table_name = ' . strtoupper($table)
|
|
. ' AND generated = ' . $this->_conn->quote('N', 'text');
|
|
|
|
$indexes = $this->_conn->fetchColumn($query);
|
|
|
|
return array_map(array($this->_conn->formatter, 'fixIndexName'), $indexes);
|
|
}
|
|
|
|
/**
|
|
* lists tables
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTables($database = null)
|
|
{
|
|
$query = 'SELECT table_name FROM sys.user_tables';
|
|
return $this->_conn->fetchColumn($query);
|
|
}
|
|
|
|
/**
|
|
* lists table triggers
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableTriggers($table)
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists table views
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableViews($table)
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists database users
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listUsers()
|
|
{
|
|
/**
|
|
if ($this->_conn->options['emulate_database'] && $this->_conn->options['database_name_prefix']) {
|
|
$query = 'SELECT SUBSTR(username, ';
|
|
$query.= (strlen($this->_conn->options['database_name_prefix'])+1);
|
|
$query.= ") FROM sys.dba_users WHERE username NOT LIKE '";
|
|
$query.= $this->_conn->options['database_name_prefix']."%'";
|
|
} else {
|
|
*/
|
|
|
|
$query = 'SELECT username FROM sys.dba_users';
|
|
//}
|
|
|
|
return $this->_conn->fetchColumn($query);
|
|
}
|
|
|
|
/**
|
|
* lists database views
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listViews($database = null)
|
|
{
|
|
$query = 'SELECT view_name FROM sys.user_views';
|
|
return $this->_conn->fetchColumn($query);
|
|
}
|
|
|
|
}
|
|
|
|
?>
|