/**
*
* @param DataSource $ds
* @return Schema
*/
public static function get(DataSource $ds)
{
if ($ds->getDriver() == "mysql") {
return self::mysql($ds);
}
if ($ds->getDriver() == "sqlite") {
return self::sqlite($ds);
}
}
/**
* @param Migration[]
* @param string $connectionName
*/
public static function run($migrations, $connectionName = null)
{
if (!is_array($migrations)) {
$migrations = array($migrations);
}
$dataSource = \lasa\db\DataSource::getDataSource($connectionName);
foreach ($migrations as $migration) {
/* @var $migration Migration */
//変更対象
$dropTables = array();
$createTables = array();
$addColumns = array();
$modifyColumns = array();
$deleteColumns = array();
//テーブルの定義を取得する
$schema = Schema::get($dataSource);
//実行する
$migration->execute();
foreach ($migration->tableList as $table) {
if ($table->delete) {
$dropTables[] = $table;
continue;
}
//テーブル作成時のみ
if ($table->check && !$schema->tableExists($table->getName())) {
continue;
}
//テーブル作成
if (!$schema->tableExists($table->getName())) {
$createTables[] = $table;
continue;
}
//modify column
$currentTable = $schema->table($table->getName());
$lastColumnName = null;
foreach ($table->columnNames() as $columnName) {
$column = $table->column($columnName);
$column->table = $table->getName();
$currentColumn = $currentTable->column($columnName);
//削除カラム
if ($column->delete) {
if ($currentColumn) {
$deleteColumns[] = $column;
}
continue;
}
//追加カラム
if (!$currentColumn) {
$addColumns[] = array($column, $lastColumnName);
$lastColumnName = $columnName;
continue;
}
$lastColumnName = $columnName;
if ($column->changed) {
$modifyColumns[] = $column;
continue;
}
//比較する
if (false == $column->compare($currentColumn)) {
$modifyColumns[] = $column;
continue;
}
}
}
foreach ($dropTables as $table) {
$sql = $schema->buildDeleteTableQuery($table);
$dataSource->executeUpdateQuery($sql);
}
foreach ($createTables as $table) {
$sql = $schema->buildCreateTableQuery($table);
$dataSource->executeUpdateQuery($sql);
}
foreach ($addColumns as $array) {
list($column, $prevous) = $array;
$position = "";
if ($prevous) {
$position = "AFTER " . $prevous;
}
$sql = $schema->buildAddColumnQuery($column, $position);
$dataSource->executeUpdateQuery($sql);
}
foreach ($modifyColumns as $column) {
$sql = $schema->buildModifyColumnQuery($column);
$dataSource->executeUpdateQuery($sql);
}
foreach ($deleteColumns as $column) {
$sql = $schema->buildDeleteColumnQuery($column);
$dataSource->executeUpdateQuery($sql);
}
}
}
function tearDown()
{
DataSource::getDataSource()->executeUpdateQuery("drop table if exists " . $this->tableName);
}
