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PhabricatorOffsetPagedQuery.php
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Created
Sun, Aug 25, 17:27
Size
1 KB
Mime Type
text/x-php
Expires
Tue, Aug 27, 17:27 (2 d)
Engine
blob
Format
Raw Data
Handle
20172396
Attached To
rPH Phabricator
PhabricatorOffsetPagedQuery.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* A query class which uses offset/limit paging. Provides logic and accessors
* for offsets and limits.
*/
abstract
class
PhabricatorOffsetPagedQuery
extends
PhabricatorQuery
{
private
$offset
;
private
$limit
;
final
public
function
setOffset
(
$offset
)
{
$this
->
offset
=
$offset
;
return
$this
;
}
final
public
function
setLimit
(
$limit
)
{
$this
->
limit
=
$limit
;
return
$this
;
}
final
protected
function
buildLimitClause
(
AphrontDatabaseConnection
$conn_r
)
{
if
(
$this
->
limit
&&
$this
->
offset
)
{
return
qsprintf
(
$conn_r
,
'LIMIT %d, %d'
,
$this
->
offset
,
$this
->
limit
);
}
else
if
(
$this
->
limit
)
{
return
qsprintf
(
$conn_r
,
'LIMIT %d'
,
$this
->
limit
);
}
else
if
(
$this
->
offset
)
{
return
qsprintf
(
$conn_r
,
'LIMIT %d, %d'
,
$this
->
offset
,
PHP_INT_MAX
);
}
else
{
return
''
;
}
}
final
public
function
executeWithPager
(
AphrontPagerView
$pager
)
{
$this
->
setLimit
(
$pager
->
getPageSize
()
+
1
);
$this
->
setOffset
(
$pager
->
getOffset
());
$results
=
$this
->
execute
();
return
$pager
->
sliceResults
(
$results
);
}
}
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