NAME

SQL::Maker::Condition - condition object for SQL::Maker

SYNOPSIS

            

              
              
my $condition = SQL::Maker::Condition->new(
    name_sep   => '.',
    quote_char => '`',
);
$condition->add('foo_id' => 3);
$condition->add('bar_id' => 4);
$sql = $condition->as_sql(); # (`foo_id`=?) AND (`bar_id`=?)
@bind = $condition->bind();  # (3, 4)
# add_raw
my $condition = SQL::Maker::Condition->new(
    name_sep   => '.',
    quote_char => '`',
);
$condition->add_raw('EXISTS(SELECT * FROM bar WHERE name = ?)' => ['john']);
$condition->add_raw('type IS NOT NULL');
$sql = $condition->as_sql(); # (EXISTS(SELECT * FROM bar WHERE name = ?)) AND (type IS NOT NULL)
@bind = $condition->bind();  # ('john')
# composite and
my $other = SQL::Maker::Condition->new(
    name_sep => '.',
    quote_char => '`',
);
$other->add('name' => 'john');
my $comp_and = $condition & $other;
$sql = $comp_and->as_sql(); # ((`foo_id`=?) AND (`bar_id`=?)) AND (`name`=?)
@bind = $comp_and->bind();  # (3, 4, 'john')
# composite or
my $comp_or = $condition | $other;
$sql = $comp_and->as_sql(); # ((`foo_id`=?) AND (`bar_id`=?)) OR (`name`=?)
@bind = $comp_and->bind();  # (3, 4, 'john')
            
          

CONDITION CHEAT SHEET

Here is a cheat sheet for conditions.

            

              
              
IN:        ['foo','bar']
OUT QUERY: '`foo` = ?'
OUT BIND:  ('bar')
IN:        ['foo',['bar','baz']]
OUT QUERY: '`foo` IN (?, ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo',{'IN' => ['bar','baz']}]
OUT QUERY: '`foo` IN (?, ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo',{'not IN' => ['bar','baz']}]
OUT QUERY: '`foo` NOT IN (?, ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo',{'!=' => 'bar'}]
OUT QUERY: '`foo` != ?'
OUT BIND:  ('bar')
IN:        ['foo',\'IS NOT NULL']
OUT QUERY: '`foo` IS NOT NULL'
OUT BIND:  ()
IN:        ['foo',{'between' => ['1','2']}]
OUT QUERY: '`foo` BETWEEN ? AND ?'
OUT BIND:  ('1','2')
IN:        ['foo',{'like' => 'xaic%'}]
OUT QUERY: '`foo` LIKE ?'
OUT BIND:  ('xaic%')
IN:        ['foo',[{'>' => 'bar'},{'<' => 'baz'}]]
OUT QUERY: '(`foo` > ?) OR (`foo` < ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo',['-and',{'>' => 'bar'},{'<' => 'baz'}]]
OUT QUERY: '(`foo` > ?) AND (`foo` < ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo',['-and','foo','bar','baz']]
OUT QUERY: '(`foo` = ?) AND (`foo` = ?) AND (`foo` = ?)'
OUT BIND:  ('foo','bar','baz')
IN:        ['foo_id',\['IN (SELECT foo_id FROM bar WHERE t=?)',44]]
OUT QUERY: '`foo_id` IN (SELECT foo_id FROM bar WHERE t=?)'
OUT BIND:  ('44')
IN:        ['foo_id', {IN => \['SELECT foo_id FROM bar WHERE t=?',44]}]
OUT QUERY: '`foo_id` IN (SELECT foo_id FROM bar WHERE t=?)'
OUT BIND:  ('44')
IN:        ['foo_id',\['MATCH (col1, col2) AGAINST (?)','apples']]
OUT QUERY: '`foo_id` MATCH (col1, col2) AGAINST (?)'
OUT BIND:  ('apples')
IN:        ['foo_id',undef]
OUT QUERY: '`foo_id` IS NULL'
OUT BIND:  ()
IN:        ['foo_id',{'IN' => []}]
OUT QUERY: '0=1'
OUT BIND:  ()
IN:        ['foo_id',{'NOT IN' => []}]
OUT QUERY: '1=1'
OUT BIND:  ()
IN:        ['foo_id', [123,sql_type(\3, SQL_INTEGER)]]
OUT QUERY: '`foo_id` IN (?, ?)'
OUT BIND:  (123, sql_type(\3, SQL_INTEGER))
IN:        ['foo_id', sql_type(\3, SQL_INTEGER)]
OUT QUERY: '`foo_id` = ?'
OUT BIND:  sql_type(\3, SQL_INTEGER)
IN:        ['created_on', { '>', \'DATE_SUB(NOW(), INTERVAL 1 DAY)' }]
OUT QUERY: '`created_on` > DATE_SUB(NOW(), INTERVAL 1 DAY)'
OUT BIND:
            
          

It is also possible to use the functions exported by SQL::QueryMaker to define the conditions.

            

              
              
IN:        ['foo' => sql_in(['bar','baz'])]
OUT QUERY: '`foo` IN (?,?)'
OUT BIND:  ('bar','baz')
IN:        ['foo' => sql_lt(3)]
OUT QUERY: '`foo` < ?'
OUT BIND:  (3)
IN:        ['foo' => sql_not_in(['bar','baz'])]
OUT QUERY: '`foo` NOT IN (?,?)'
OUT BIND:  ('bar','baz')
IN:        ['foo' => sql_ne('bar')]
OUT QUERY: '`foo` != ?'
OUT BIND:  ('bar')
IN:        ['foo' => sql_is_not_null()]
OUT QUERY: '`foo` IS NOT NULL'
OUT BIND:  ()
IN:        ['foo' => sql_between('1','2')]
OUT QUERY: '`foo` BETWEEN ? AND ?'
OUT BIND:  ('1','2')
IN:        ['foo' => sql_like('xaic%')]
OUT QUERY: '`foo` LIKE ?'
OUT BIND:  ('xaic%')
IN:        ['foo' => sql_or([sql_gt('bar'), sql_lt('baz')])]
OUT QUERY: '(`foo` > ?) OR (`foo` < ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo' => sql_and([sql_gt('bar'), sql_lt('baz')])]
OUT QUERY: '(`foo` > ?) AND (`foo` < ?)'
OUT BIND:  ('bar','baz')
IN:        ['foo_id' => sql_op('IN (SELECT foo_id FROM bar WHERE t=?)',[44])]
OUT QUERY: '`foo_id` IN (SELECT foo_id FROM bar WHERE t=?)'
OUT BIND:  ('44')
IN:        ['foo_id' => sql_in([sql_raw('SELECT foo_id FROM bar WHERE t=?',44)])]
OUT QUERY: '`foo_id` IN ((SELECT foo_id FROM bar WHERE t=?))'
OUT BIND:  ('44')
IN:        ['foo_id', => sql_op('MATCH (@) AGAINST (?)',['apples'])]
OUT QUERY: 'MATCH (`foo_id`) AGAINST (?)'
OUT BIND:  ('apples')
IN:        ['foo_id',undef]
OUT QUERY: '`foo_id` IS NULL'
OUT BIND:  ()
IN:        ['foo_id',sql_in([])]
OUT QUERY: '0=1'
OUT BIND:  ()
IN:        ['foo_id',sql_not_in([])]
OUT QUERY: '1=1'
OUT BIND:  ()
IN:        ['foo_id', sql_type(\3, SQL_INTEGER)]
OUT QUERY: '`foo_id` = ?'
OUT BIND:  sql_type(\3, SQL_INTEGER)
IN:        ['foo_id', sql_in([sql_type(\3, SQL_INTEGER)])]
OUT QUERY: '`foo_id` IN (?)'
OUT BIND:  sql_type(\3, SQL_INTEGER)
IN:        ['created_on', sql_gt(sql_raw('DATE_SUB(NOW(), INTERVAL 1 DAY)')) ]
OUT QUERY: '`created_on` > DATE_SUB(NOW(), INTERVAL 1 DAY)'
OUT BIND:
            
          

SEE ALSO

SQL::Maker