Signed-off-by: Robin Appelman <robin@icewind.nl>tags/v25.0.0beta1
@@ -121,4 +121,15 @@ class FunctionBuilder implements IFunctionBuilder { | |||
public function least($x, $y): IQueryFunction { | |||
return new QueryFunction('LEAST(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')'); | |||
} | |||
public function case(array $whens, $else): IQueryFunction { | |||
if (count($whens) < 1) { | |||
return new QueryFunction($this->helper->quoteColumnName($else)); | |||
} | |||
$whenParts = array_map(function (array $when) { | |||
return 'WHEN ' . $this->helper->quoteColumnName($when['when']) . ' THEN ' . $this->helper->quoteColumnName($when['then']); | |||
}, $whens); | |||
return new QueryFunction('CASE ' . implode(' ', $whenParts) . ' ELSE ' . $this->helper->quoteColumnName($else) . ' END'); | |||
} | |||
} |
@@ -188,4 +188,16 @@ interface IFunctionBuilder { | |||
* @since 18.0.0 | |||
*/ | |||
public function least($x, $y): IQueryFunction; | |||
/** | |||
* Takes the minimum of multiple values | |||
* | |||
* If you want to get the minimum value of all rows in a column, use `min` instead | |||
* | |||
* @param array<array{"when": string|ILiteral|IParameter|IQueryFunction, "then": string|ILiteral|IParameter|IQueryFunction}> $whens | |||
* @param string|ILiteral|IParameter|IQueryFunction $else | |||
* @return IQueryFunction | |||
* @since 18.0.0 | |||
*/ | |||
public function case(array $whens, $else): IQueryFunction; | |||
} |
@@ -501,4 +501,21 @@ class FunctionBuilderTest extends TestCase { | |||
$result->closeCursor(); | |||
$this->assertEquals(1, $row); | |||
} | |||
public function testCase() { | |||
$query = $this->connection->getQueryBuilder(); | |||
$query->select($query->func()->case([ | |||
['when' => $query->expr()->gt($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('first')], | |||
['when' => $query->expr()->lt($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('second')], | |||
['when' => $query->expr()->eq($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('third')], | |||
], $query->createNamedParameter('else'))); | |||
$query->from('appconfig') | |||
->setMaxResults(1); | |||
$result = $query->execute(); | |||
$row = $result->fetchOne(); | |||
$result->closeCursor(); | |||
$this->assertEquals('second', $row); | |||
} | |||
} |