public function test()
{
$constraint = new UniqueKey('foo', 'column');
$this->assertSame('foo', $constraint->getName());
$this->assertSame('UNIQUE KEY `foo` (`column`)', $constraint->buildCreate());
$this->assertSame('ADD CONSTRAINT `foo` UNIQUE (`column`)', $constraint->buildAdd());
$this->assertSame('DROP INDEX `foo`', $constraint->buildDrop());
$constraint = new UniqueKey('foo', 'column', 'column2');
$this->assertSame('foo', $constraint->getName());
$this->assertSame('UNIQUE KEY `foo` (`column`, `column2`)', $constraint->buildCreate());
$this->assertSame('ADD CONSTRAINT `foo` UNIQUE (`column`, `column2`)', $constraint->buildAdd());
$this->assertSame('DROP INDEX `foo`', $constraint->buildDrop());
}
public final function setUniqueKeyObject(UniqueKey $unique_key) : TableInterface
{
if ($this->isImmutable()) {
throw SchemaException::immutable(static::class);
}
if ($this->hasUniqueKey($unique_key->getName())) {
throw SchemaException::uniqueKeyAlreadySet(static::class, $unique_key->getName());
}
$missing = array_diff($unique_key->getColumns(), array_keys($this->getColumns()));
if ($missing !== []) {
throw TableException::columnNotSet(static::class, implode(', ', $missing));
}
$this->unique_keys[$unique_key->getName()] = $unique_key;
return $this;
}
