SQL function abstraction started on some drivers, developed mssql and oracle datadict drivers
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zYne
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@ -24,146 +24,16 @@ class Doctrine_Connection_Mysql extends Doctrine_Connection_Common {
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return 'RLIKE';
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}
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/**
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* deletes all data access object from the collection
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* @param Doctrine_Collection $coll
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*/
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/**
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public function deleteCollection(Doctrine_Collection $coll) {
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$a = $coll->getTable()->getCompositePaths();
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$a = array_merge(array($coll->getTable()->getComponentName()),$a);
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$graph = new Doctrine_Query();
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foreach($coll as $k=>$record) {
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switch($record->getState()):
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case Doctrine_Record::STATE_DIRTY:
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case Doctrine_Record::STATE_CLEAN:
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$ids[] = $record->getID();
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break;
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endswitch;
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}
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if(empty($ids))
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return array();
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$graph->parseQuery("FROM ".implode(", ",$a)." WHERE ".$coll->getTable()->getTableName().".id IN(".implode(", ",$ids).")");
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$query = $graph->buildDelete();
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$this->getDBH()->query($query);
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return $ids;
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}
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*/
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/**
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* returns maximum identifier values
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* Returns string to concatenate two or more string parameters
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*
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* @param array $names an array of component names
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* @return array
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* @param string $value1
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* @param string $value2
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* @param string $values...
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* @return string a concatenation of two or more strings
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*/
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public function getMaximumValues2(array $names) {
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$values = array();
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foreach($names as $name) {
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$table = $this->tables[$name];
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$keys = $table->getPrimaryKeys();
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$tablename = $table->getTableName();
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if(count($keys) == 1 && $keys[0] == $table->getIdentifier()) {
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// record uses auto_increment column
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$sql[] = "SELECT MAX(".$tablename.".".$table->getIdentifier().") as $tablename FROM ".$tablename;
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$values[$tablename] = 0;
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$array[] = $tablename;
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}
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}
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$sql = implode(" UNION ",$sql);
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$stmt = $this->getDBH()->query($sql);
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$data = $stmt->fetchAll(PDO::FETCH_NUM);
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foreach($data as $k => $v) {
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$values[$array[$k]] = $v[0];
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}
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return $values;
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public function concat($value1, $value2) {
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$args = func_get_args();
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return "CONCAT(".implode(', ', $args).")";
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}
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/**
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* bulkInsert
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* inserts all the objects in the pending insert list into database
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* TODO: THIS IS NOT WORKING YET AS THERE ARE BUGS IN COMPONENTS USING SELF-REFERENCENCING
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*
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* @return boolean
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*/
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/**
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public function bulkInsert() {
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if(empty($this->insert))
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return false;
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foreach($this->insert as $name => $inserts) {
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if( ! isset($inserts[0]))
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continue;
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$record = $inserts[0];
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$table = $record->getTable();
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$seq = $table->getSequenceName();
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$keys = $table->getPrimaryKeys();
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$marks = array();
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$params = array();
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foreach($inserts as $k => $record) {
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$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onPreSave($record);
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// listen the onPreInsert event
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$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onPreInsert($record);
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$array = $record->getPrepared();
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if(isset($this->validator)) {
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if( ! $this->validator->validateRecord($record)) {
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continue;
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}
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}
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$key = implode(", ",array_keys($array));
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if( ! isset($params[$key]))
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$params[$key] = array();
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$marks[$key][] = "(".substr(str_repeat("?, ",count($array)),0,-2).")";
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$params[$key] = array_merge($params[$key], array_values($array));
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// listen the onInsert event
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$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onInsert($record);
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$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onSave($record);
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}
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if( ! empty($marks)) {
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foreach($marks as $key => $list) {
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$query = "INSERT INTO ".$table->getTableName()." (".$key.") VALUES ".implode(", ", $list);
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$stmt = $this->getDBH()->prepare($query);
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$stmt->execute($params[$key]);
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}
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}
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if(count($keys) == 1 && $keys[0] == $table->getIdentifier()) {
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// record uses auto_increment column
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$sql = "SELECT MAX(".$table->getIdentifier().") FROM ".$record->getTable()->getTableName();
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$stmt = $this->getDBH()->query($sql);
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$data = $stmt->fetch(PDO::FETCH_NUM);
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$id = $data[0];
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$stmt->closeCursor();
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foreach(array_reverse($inserts) as $record) {
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$record->setID((int) $id);
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$id--;
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}
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}
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}
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$this->insert = array();
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return true;
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}
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*/
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}
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@ -28,5 +28,44 @@ class Doctrine_Connection_Oracle extends Doctrine_Connection {
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$data = $stmt->fetch(PDO::FETCH_NUM);
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return $data[0];
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}
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/**
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* Return string to call a variable with the current timestamp inside an SQL statement
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* There are three special variables for current date and time:
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* - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
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* - CURRENT_DATE (date, DATE type)
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* - CURRENT_TIME (time, TIME type)
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*
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* @return string to call a variable with the current timestamp
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* @access public
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*/
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function now($type = 'timestamp')
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{
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switch ($type) {
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case 'date':
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case 'time':
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case 'timestamp':
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default:
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return 'TO_CHAR(CURRENT_TIMESTAMP, \'YYYY-MM-DD HH24:MI:SS\')';
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}
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}
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/**
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* substring
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*
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* @return string SQL substring function with given parameters
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*/
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function substring($value, $position = 1, $length = null) {
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if($length !== null)
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return "SUBSTR($value, $position, $length)";
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return "SUBSTR($value, $position)";
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}
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/**
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* random
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*
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* @return string an oracle SQL string that generates a float between 0 and 1
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*/
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function random() {
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return 'dbms_random.value';
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}
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}
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@ -15,13 +15,21 @@ class Doctrine_Connection_Pgsql extends Doctrine_Connection_Common {
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return $data[0];
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}
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/**
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* returns the regular expression operator
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* (implemented by the connection drivers)
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* getRegexpOperator
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*
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* @return string
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* @return string the regular expression operator
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*/
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public function getRegexpOperator() {
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return 'SIMILAR TO';
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}
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/**
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* return string to call a function to get random value inside an SQL statement
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*
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* @return return string to generate float between 0 and 1
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* @access public
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*/
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public function random() {
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return 'RANDOM()';
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}
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}
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@ -24,10 +24,137 @@
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* @url http://www.phpdoctrine.com
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Id$
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*/
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class Doctrine_DataDict_Mssql extends Doctrine_DataDict {
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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*
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getTypeDeclaration($field) {
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switch ($field['type']) {
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case 'text':
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$length = !empty($field['length'])
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? $field['length'] : false;
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$fixed = !empty($field['fixed']) ? $field['fixed'] : false;
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return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
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: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
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case 'clob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 8000) {
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return 'VARCHAR('.$length.')';
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}
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}
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return 'TEXT';
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case 'blob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 8000) {
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return "VARBINARY($length)";
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}
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}
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return 'IMAGE';
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case 'integer':
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return 'INT';
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case 'boolean':
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return 'BIT';
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case 'date':
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return 'CHAR ('.strlen('YYYY-MM-DD').')';
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case 'time':
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return 'CHAR ('.strlen('HH:MM:SS').')';
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case 'timestamp':
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return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
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case 'float':
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return 'FLOAT';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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return 'DECIMAL('.$length.','.$db->options['decimal_places'].')';
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}
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return '';
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}
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/**
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* Maps a native array description of a field to a MDB2 datatype and length
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*
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* @param array $field native field description
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* @return array containing the various possible types, length, sign, fixed
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*/
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public function mapNativeDatatype($field) {
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$db_type = preg_replace('/\d/','', strtolower($field['type']) );
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$length = $field['length'];
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if ((int)$length <= 0) {
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$length = null;
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}
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$type = array();
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// todo: unsigned handling seems to be missing
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$unsigned = $fixed = null;
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switch ($db_type) {
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case 'bit':
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$type[0] = 'boolean';
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break;
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case 'int':
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$type[0] = 'integer';
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break;
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case 'datetime':
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$type[0] = 'timestamp';
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break;
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case 'float':
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case 'real':
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case 'numeric':
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$type[0] = 'float';
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break;
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case 'decimal':
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case 'money':
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$type[0] = 'decimal';
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break;
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case 'text':
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case 'varchar':
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$fixed = false;
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case 'char':
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$type[0] = 'text';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^[is|has]/', $field['name'])) {
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$type = array_reverse($type);
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}
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} elseif (strstr($db_type, 'text')) {
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$type[] = 'clob';
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'image':
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case 'varbinary':
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$type[] = 'blob';
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$length = null;
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break;
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default:
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throw new Doctrine_DataDict_Mssql_Exception('mapNativeDatatype: unknown database attribute type: '.$db_type);
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}
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return array($type, $length, $unsigned, $fixed);
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}
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/**
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* lists all databases
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*
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@ -27,7 +27,7 @@
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* @version $Id$
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*/
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class Doctrine_DataDict_Mssql extends Doctrine_DataDict {
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class Doctrine_DataDict_Oracle extends Doctrine_DataDict {
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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