CombineQuery Class Reference
[Dynamic query builder]

The results of queries can be combined using the set operations union, intersection, and difference. More...

Inheritance diagram for CombineQuery:

[legend]

List of all members.

Static Public Member Functions
static	union ($left, $right)
	Returns: QueryCombination
static	unionBlock ()
	Returns: QueryChain
static	unionAll ($left, $right)
	Returns: QueryCombination
static	unionAllBlock ()
	Returns: QueryChain
static	intersect ($left, $right)
	Returns: QueryCombination
static	intersectBlock ()
	Returns: QueryChain
static	intersectAll ($left, $right)
	Returns: QueryCombination
static	intersectAllBlock ()
	Returns: QueryChain
static	except ($left, $right)
	Returns: QueryCombination
static	exceptBlock ()
	Returns: QueryChain
static	exceptAll ($left, $right)
	Returns: QueryCombination
static	exceptAllBlock ()
	Returns: QueryChain
Public Attributes
const	UNION = 'UNION'
const	UNION_ALL = 'UNION ALL'
const	INTERSECT = 'INTERSECT'
const	INTERSECT_ALL = 'INTERSECT ALL'
const	EXCEPT = 'EXCEPT'
const	EXCEPT_ALL = 'EXCEPT ALL'

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Detailed Description

The results of queries can be combined using the set operations union, intersection, and difference.

query1 UNION [ALL] query2 .... query1 INTERSECT [ALL] query2 .... query1 EXCEPT [ALL] query2 ....

See also:

http://www.postgresql.org/docs/current/interactive/queries-union.html

Definition at line 25 of file CombineQuery.class.php.

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Member Function Documentation

static CombineQuery::union	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 39 of file CombineQuery.class.php.

static CombineQuery::unionBlock

(

)

[static]

Returns:

QueryChain

Definition at line 47 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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static CombineQuery::unionAll	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 57 of file CombineQuery.class.php.

static CombineQuery::unionAllBlock

(

)

[static]

Returns:

QueryChain

Definition at line 65 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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static CombineQuery::intersect	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 75 of file CombineQuery.class.php.

static CombineQuery::intersectBlock

(

)

[static]

Returns:

QueryChain

Definition at line 83 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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static CombineQuery::intersectAll	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 93 of file CombineQuery.class.php.

static CombineQuery::intersectAllBlock

(

)

[static]

Returns:

QueryChain

Definition at line 101 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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static CombineQuery::except	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 111 of file CombineQuery.class.php.

static CombineQuery::exceptBlock

(

)

[static]

Returns:

QueryChain

Definition at line 119 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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static CombineQuery::exceptAll	(	$	left,
		$	right
	)			[static]

Returns:

QueryCombination

Definition at line 129 of file CombineQuery.class.php.

static CombineQuery::exceptAllBlock

(

)

[static]

Returns:

QueryChain

Definition at line 137 of file CombineQuery.class.php.

References $args, and QueryChain::block().

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Member Data Documentation

const CombineQuery::UNION = 'UNION'

Definition at line 27 of file CombineQuery.class.php.

Referenced by QueryChain::union().

const CombineQuery::UNION_ALL = 'UNION ALL'

Definition at line 28 of file CombineQuery.class.php.

Referenced by QueryChain::unionAll().

const CombineQuery::INTERSECT = 'INTERSECT'

Definition at line 30 of file CombineQuery.class.php.

Referenced by QueryChain::intersect().

const CombineQuery::INTERSECT_ALL = 'INTERSECT ALL'

Definition at line 31 of file CombineQuery.class.php.

Referenced by QueryChain::intersectAll().

const CombineQuery::EXCEPT = 'EXCEPT'

Definition at line 33 of file CombineQuery.class.php.

Referenced by QueryChain::except().

const CombineQuery::EXCEPT_ALL = 'EXCEPT ALL'

Definition at line 34 of file CombineQuery.class.php.

Referenced by QueryChain::exceptAll().

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The documentation for this class was generated from the following file:

• core/OSQL/CombineQuery.class.php

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