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<?php |
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namespace Migratio\GrammarStructure\Mysql; |
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class QuerySyntaxHelper |
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{ |
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/** |
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* @param $nullable |
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* @param $name |
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* @return string |
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*/ |
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protected function getNullableValue($nullable,$name) |
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{ |
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$nullableValue=''; |
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if(isset($nullable[$name])){ |
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if($nullable[$name]===false){ |
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$nullableValue='NOT NULL'; |
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} |
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else{ |
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$nullableValue='NULL'; |
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} |
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} |
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return $nullableValue; |
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} |
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/** |
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* @return void |
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*/ |
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protected function getCreateTableSyntax() |
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{ |
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$this->syntax[] = 'CREATE TABLE '.$this->table.' ('; |
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} |
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/** |
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* @param $object |
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*/ |
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protected function getWizardObjects($object) |
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{ |
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$this->data['names'] = $object->getNames(); |
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$this->data['types'] = $object->getTypes(); |
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$this->data['default'] = $object->getDefault(); |
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$this->data['autoIncrement'] = $object->getAutoIncrement(); |
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$this->data['primaryKey'] = $object->getPrimaryKey(); |
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$this->data['tableCollation'] = $object->getCollation(); |
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$this->data['engine'] = $object->getEngine(); |
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$this->data['nullable'] = $object->getNullable(); |
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$this->data['comment'] = $object->getComment(); |
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$this->data['unique'] = $object->getUnique(); |
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$this->data['index'] = $object->getIndex(); |
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$this->data['references'] = $object->getReferences(); |
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} |
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/** |
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* @param $name |
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* @return array |
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*/ |
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protected function getValueWithIsset($name) |
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{ |
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$nameKey = array_search($name,$this->data['names']); |
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$list = []; |
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$list[] = $this->getNullableValue($this->data['nullable'],$name); |
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$list[] = (isset($this->data['autoIncrement'][$name])) ? 'AUTO_INCREMENT' : ''; |
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$list[] = (isset($this->data['primaryKey'][$name])) ? 'PRIMARY KEY' : ''; |
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if($this->data['types'][$nameKey]=='timestamp' && !isset($this->data['default'][$nameKey])){ |
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$this->data['default'][$name] = 'CURRENT_TIMESTAMP'; |
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} |
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if($this->data['types'][$nameKey]!=='timestamp'){ |
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$list[] = (isset($this->data['default'][$name])) ? ' DEFAULT "'.$this->data['default'][$name].'"' : ''; |
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} |
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else{ |
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$list[] = (isset($this->data['default'][$name])) ? ' DEFAULT '.$this->data['default'][$name].'' : ''; |
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} |
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$list[] = (isset($this->data['comment'][$name])) ? ' COMMENT "'.$this->data['comment'][$name].'"' : ''; |
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return $list; |
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} |
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/** |
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* @param $name |
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* @return array |
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*/ |
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protected function getUniqueValueList($name) |
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{ |
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//get unique |
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if(isset($this->data['unique'][$name])){ |
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$this->data['uniqueValueList'][] = 'UNIQUE INDEX '.$name.' ('.$this->data['unique'][$name]['value'].' ASC)'; |
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} |
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} |
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/** |
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* @param $name |
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*/ |
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protected function getIndexValueList($name) |
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{ |
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//get index |
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if(isset($this->data['index'][$name])){ |
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$this->data['indexValueList'][] = 'INDEX '.$name.' ('.$this->data['index'][$name]['value'].')'; |
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} |
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} |
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/** |
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* @param $name |
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*/ |
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protected function setIndex($name) |
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{ |
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//get unique |
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$this->getUniqueValueList($name); |
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//get index |
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$this->getIndexValueList($name); |
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} |
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/** |
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* @return array |
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*/ |
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protected function getCreateDefaultList() |
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{ |
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$list = []; |
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foreach ($this->data['names'] as $key=>$name) |
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{ |
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list( |
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$nullableValue,$autoIncrementValue, |
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$primaryKeyValue,$defaultValue,$commentValue |
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) = $this->getValueWithIsset($name); |
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//set index values |
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$this->setIndex($name); |
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$list[]=''.$name.' '.$this->data['types'][$key].' '.$nullableValue.' '.$defaultValue.' '.$primaryKeyValue.' '.$autoIncrementValue.' '.$commentValue.''; |
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} |
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return $list; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getKeyList() |
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{ |
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$keyList = []; |
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//multiple indexes |
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if(isset($this->data['index']['indexes'])){ |
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foreach ($this->data['index']['indexes'] as $index_key=>$index_value){ |
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$indexesCommentValue = (isset($index_value['comment'])) ? 'COMMENT "'.$index_value['comment'].'"' : ''; |
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$keyType = (isset($index_value['type'])) ? ucfirst($index_value['type']) : 'KEY'; |
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$keyList[] = "".$keyType." ".$index_value['name']." (".implode(",",$index_value['value']).") ".$indexesCommentValue; |
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} |
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} |
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return $keyList; |
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} |
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/** |
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* @param $reference |
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* @return string |
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*/ |
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protected function getReferenceSyntax($reference) |
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{ |
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$list = []; |
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foreach ($reference as $constraint=>$values){ |
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$list[]=',CONSTRAINT '.$constraint.' FOREIGN KEY ('.$values['key'].') |
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REFERENCES '.$values['references']['table'].'('.$values['references']['field'].') '.$this->getOnProcess($values); |
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} |
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return implode (" ",$list); |
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} |
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/** |
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* @param $referenceValue |
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*/ |
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private function getOnProcess($referenceValue) |
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{ |
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if(isset($referenceValue['on']) && isset($referenceValue['onOption'])){ |
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return ''.$referenceValue['on'].' '.strtoupper($referenceValue['onOption']).''; |
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} |
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return ''; |
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} |
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} |
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