/**
* @throws \RuntimeException
*/
protected function validate()
{
if ($this->adapter->hasTable($this->origin->getName()) && $this->adapter->hasTable($this->destination->getName())) {
return;
}
throw new \RuntimeException("Table `{$this->origin->getName()}` and `{$this->destination->getName()}` must exist.");
}
/**
* @throws \RuntimeException
*/
protected function validate()
{
if (!$this->adapter->hasTable($this->origin->getName())) {
throw new \RuntimeException("Table `{$this->origin->getName()}` does not exists.");
}
if (!$this->adapter->hasTable($this->destination->getName())) {
throw new \RuntimeException("Table `{$this->destination->getName()}` does not exists.");
}
}
/**
* @return Table
* @throws \RuntimeException
*/
public function temporaryTable()
{
if ($this->destination) {
return $this->destination;
}
$temporaryTableName = $this->temporaryTableName();
if ($this->adapter->hasTable($temporaryTableName)) {
throw new \RuntimeException("The table `{$temporaryTableName}` already exists.");
}
$this->getLogger()->info("Creating temporary table `{$temporaryTableName}` from `{$this->origin->getName()}`");
$this->adapter->query("CREATE TABLE {$temporaryTableName} LIKE {$this->origin->getName()}");
return new \Lhm\Table($temporaryTableName, [], $this->adapter);
}
/**
* Checks to see if a table exists.
*
* @param string $tableName Table Name
* @return bool
*/
public function hasTable($tableName)
{
return $this->adapter->hasTable($tableName);
}