/** * Funkce, která projde všechny hodnoty v daném zdrojovém sloupci a předzpracované je překopíruje do cílové tabulky * @param DatasourceColumn $datasourceColumn * @param Metasource $metasource * @param Attribute $attribute * @param int $attributeStrLen * @param callable $function * @throws \Exception */ private function generateAttributeUsingPreprocessingFunction(DatasourceColumn $datasourceColumn, Metasource $metasource, Attribute $attribute, $attributeStrLen, $function) { $datasource = $datasourceColumn->datasource; $this->databasesFacade->openDatabase($datasource->getDbConnection(), $metasource->getDbConnection()); //vytvoření DB sloupce $dbColumn = new DbColumn(); $dbColumn->name = $attribute->name; $dbColumn->dataType = DbColumn::TYPE_STRING; $dbColumn->strLength = $attributeStrLen; try { $this->databasesFacade->createColumn($metasource->attributesTable, $dbColumn, DatabasesFacade::SECOND_DB); } catch (\Exception $e) { throw new \Exception('Attribute creation failed!', $e); } $valuesArr = $this->databasesFacade->getColumnValuesWithId($datasource->dbTable, $datasourceColumn->name, DatabasesFacade::FIRST_DB); if (!empty($valuesArr)) { $updateDataArr = array(); foreach ($valuesArr as $id => $value) { $updateDataArr[$id] = $function($value); //$this->databasesFacade->updateColumnValueById($metasource->attributesTable,$attribute->name,$id,$function($value),DatabasesFacade::SECOND_DB); } $this->databasesFacade->multiUpdateColumnValueById($metasource->attributesTable, $attribute->name, $updateDataArr, DatabasesFacade::SECOND_DB); } }
public function createMetasourcesTables(Metasource $metasource) { $datasource = $metasource->miner->datasource; $this->databasesFacade->openDatabase($datasource->getDbConnection(), $metasource->getDbConnection()); $attributesTable = $metasource->attributesTable; $i = 1; while ($this->databasesFacade->checkTableExists($attributesTable . DatabasesFacade::SECOND_DB)) { $attributesTable = $metasource->attributesTable . $i; $i++; } $this->databasesFacade->createTable($attributesTable, array(), DatabasesFacade::SECOND_DB); //nakopírování hodnot ID $values = $this->databasesFacade->getColumnValuesWithId($metasource->attributesTable, 'id', DatabasesFacade::SECOND_DB); if (!empty($values)) { foreach ($values as $value) { $this->databasesFacade->insertRow($metasource->attributesTable, array('id' => $value)); } } }