zend2.2dbselect使用例子_PHP教程

use
 = ->from('foo'
 = ->from( TableIdentifier('foo', 'bar'
 = ->from(('f' => 'foo'
 = ->from(('f' =>  TableIdentifier('foo'
 = ->from('foo')->columns(('bar', 'baz'
 = ->from('foo')->columns(('bar' => 'baz'
 = ->from('foo')->columns(('bar' => 'baz', 'bam'
 = ->from('foo')->columns(('bar' =>  Expression('COUNT(some_column)'
 = ->from('foo')->columns(( Expression('COUNT(some_column) AS bar'
 = ->from('foo')->'(COUNT(?) + ?) AS ?',
            ('some_column', 5, 'bar'),
            (Expression::TYPE_IDENTIFIER, Expression::TYPE_VALUE, Expression:: 5);
//
// 'SELECT (COUNT("some_column") + \'5\') AS "bar" FROM "foo"';
 
// joins (plain)
 = ->from('foo')->('zac', 'm = n'
 = ->from('foo')->('zac', 'm = n', ('bar', 'baz'
 = ->from('foo')->('zac', 'm = n', ('bar', 'baz'), Select::
 = ->from('foo')->('zac', 'm = n', ('BAR' => 'bar', 'BAZ' => 'baz'
 = ->from('foo')->(('b' => 'bar'), 'b.foo_id = foo.foo_id'
 = ->from('foo')->where('x = 5'
 = ->from('foo')->where(('x = ?' => 5 5);
//
// 'SELECT "foo".* FROM "foo" WHERE x = \'5\'';
 
 
// group
 = ->from('foo')->group(('col1', 'col2'
 
 
 = ->from('foo')->group('col1')->group('col2'
 
 
 = ->from('foo')->group( Expression('DAY(?)', ('col1'), (Expression::
 = ->from('foo')->having('x = 5'
 = ->from('foo')->having(('x = ?' => 5 5);
//
// 'SELECT "foo".* FROM "foo" HAVING x = \'5\'';
 
 
// order
 = ->from('foo')->order('c1'
 = ->from('foo')->order(('c1', 'c2'
 = ->from('foo')->order(('c1' => 'DESC', 'c2' => 'Asc')); 
 
 
 = ->from('foo')->order(('c1' => 'asc'))->order('c2 desc'); 
 = ->from('foo')->limit(5 5);
//
// 'SELECT "foo".* FROM "foo" LIMIT \'5\'';
 
 
// limit with offset
 = ->from('foo')->limit(5)->offset(10 5, 'offset' => 10);
//
// 'SELECT "foo".* FROM "foo" LIMIT \'5\' OFFSET \'10\'';
 
 
// joins with a few keywords in the on clause
 = ->from('foo')->('zac', '(m = n AND c.x) BETWEEN x AND y.z'
 = ->from('foo')->order('c1.d2'
 = ->from('foo')->group('c1.d2'
 = ->from('foo')->('zac',  Expression('(m = n AND c.x) BETWEEN x AND y.z'
 = ->from('bar')->where->like('y', '%Foo%' = ->from(('x' => 
 = ->from('table')->columns(('*'))->where('c1' => ,
    'c2' => (1, 2, 3),
     \Zend\Db\Sql\Predicate\IsNotNull('c3'
 = ->from('table')->order( Expression('isnull(?) DESC', ('name'), (Expression::TYPE_IDENTIFIER)),
    'name'
 = ->from('foo')->columns(())->('bar', 'm = n', ('thecount' =>  Expression("COUNT(*)"
 = ->from('foo'->('tableA',  Predicate\Operator('id', '=', 1->('tableB',  Predicate\Operator('id', '=', 2->('tableC',  Predicate\PredicateSet( Predicate\Operator('id', '=', 3),
         Predicate\Operator('number', '>', 20 :join3part2';
//
// 'SELECT "foo".*, "tableA".*, "tableB".*, "tableC".* FROM "foo" '
//   'INNER JOIN "tableA" ON "id" = \'1\' INNER JOIN "tableB" ON "id" = \'2\' '
//   'INNER JOIN "tableC" ON "id" = \'3\' AND "number" > \'20\'';

http://www.bkjia.com/PHPjc/440209.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/440209.htmlTechArticleuse = -from('foo' = -from( TableIdentifier('foo', 'bar' = -from( ('f' = 'foo' = -from( ('f' = TableIdentifier('foo' = -from('foo')-columns( ('bar', 'baz' = -from('foo')-columns( ('...