/**
* Render a Union object
* @param Query\Union $query
* @return string
*/
public static function render(Query\Union $query)
{
return Compiler::withDb($query->getDb(), function () use($query) {
return Compiler::expression(array(Arr::join(' UNION ', Arr::map(function (Query\Select $select) {
return Compiler::braced(Select::render($select));
}, $query->getSelects())), Compiler::word('ORDER BY', Direction::combine($query->getOrder())), Compiler::word('LIMIT', $query->getLimit())));
});
}
/**
* Render the value of Set object
* @param SQL\Set $item
* @return string
*/
public static function renderValue(SQL\Set $item)
{
$value = $item->getValue();
$content = $item->getContent();
if ($value instanceof SQL\SQL) {
return $value->getContent();
} elseif ($value instanceof Query\Select) {
return Compiler::braced(Select::render($value));
} elseif ($item instanceof SQL\SetMultiple and is_string($content)) {
return self::renderMultiple($value, $content, $item->getKey());
} else {
return '?';
}
}
/**
* Render Columns object
* @param SQL\Columns $item
* @return string
*/
public static function renderItem(SQL\Columns $item)
{
return Compiler::braced(Arr::join(', ', Arr::map(__NAMESPACE__ . '\\Compiler::name', $item->all())));
}
/**
* @dataProvider dataBraced
* @covers ::braced
*/
public function testBraced($statement, $expected)
{
$this->assertEquals($expected, Compiler::braced($statement));
}