Results of this method are stored in a memory cache. This improves performance, but
because the method uses a hashing algorithm it can have collisions.
Setting DboSource::$cacheMethods to false will disable the memory cache.
| public conditions ( mixed $conditions, boolean $quoteValues = true, boolean $where = true, Model $Model = null ) : string | ||
| $conditions | mixed | Array or string of conditions, or any value. |
| $quoteValues | boolean | If true, values should be quoted |
| $where | boolean | If true, "WHERE " will be prepended to the return value |
| $Model | Model | A reference to the Model instance making the query |
| return | string | SQL fragment |
/**
* test a full example of using virtual fields
*
* @return void
*/
public function testVirtualFieldsFetch()
{
$this->loadFixtures('Article', 'Comment');
$Article = ClassRegistry::init('Article');
$Article->virtualFields = array('comment_count' => 'SELECT COUNT(*) FROM ' . $this->Dbo->fullTableName('comments') . ' WHERE Article.id = ' . $this->Dbo->fullTableName('comments') . '.article_id');
$conditions = array('comment_count >' => 2);
$query = 'SELECT ' . join(',', $this->Dbo->fields($Article, null, array('id', 'comment_count'))) . ' FROM ' . $this->Dbo->fullTableName($Article) . ' Article ' . $this->Dbo->conditions($conditions, true, true, $Article);
$result = $this->Dbo->fetchAll($query);
$expected = array(array('Article' => array('id' => 1, 'comment_count' => 4)));
$this->assertEquals($expected, $result);
}
/**
* Tests passing PostgreSQL regular expression operators when building queries
*
* @return void
*/
public function testRegexpOperatorConditionsParsing()
{
$this->assertSame(' WHERE "name" ~ \'[a-z_]+\'', $this->Dbo->conditions(array('name ~' => '[a-z_]+')));
$this->assertSame(' WHERE "name" ~* \'[a-z_]+\'', $this->Dbo->conditions(array('name ~*' => '[a-z_]+')));
$this->assertSame(' WHERE "name" !~ \'[a-z_]+\'', $this->Dbo->conditions(array('name !~' => '[a-z_]+')));
$this->assertSame(' WHERE "name" !~* \'[a-z_]+\'', $this->Dbo->conditions(array('name !~*' => '[a-z_]+')));
}
/**
* Tests passing PostgreSQL regular expression operators when building queries
*
* @return void
*/
public function testRegexpOperatorConditionsParsing()
{
$this->assertSame(' WHERE "name" ~ \'[a-z_]+\'', $this->Dbo->conditions(array('name ~' => '[a-z_]+')));
$this->assertSame(' WHERE "name" ~* \'[a-z_]+\'', $this->Dbo->conditions(array('name ~*' => '[a-z_]+')));
$this->assertSame(' WHERE "name" !~ \'[a-z_]+\'', $this->Dbo->conditions(array('name !~' => '[a-z_]+')));
$this->assertSame(' WHERE "name" !~* \'[a-z_]+\'', $this->Dbo->conditions(array('name !~*' => '[a-z_]+')));
$this->assertSame(' WHERE EXTRACT( \'YEAR\' FROM "User"."birthday" ) = 2015', $this->Dbo->conditions(array('EXTRACT( \'YEAR\' FROM User.birthday )' => 2015)));
}
