VuFind API Documentation

ExpirationTrait

Trait for tables that support expiration

Tags
category

VuFind

author

Demian Katz demian.katz@villanova.edu

author

Ere Maijala ere.maijala@helsinki.fi

license

http://opensource.org/licenses/gpl-2.0.php GNU General Public License

link

Main Site

Table of Contents

deleteExpired()  : int
Delete expired records. Allows setting of 'from' and 'to' ID's so that rows can be deleted in small batches.
expirationCallback()  : void
Update the select statement to find records to delete.
getExpiredBatchLastId()  : int|null
Get the highest id to delete in a batch.

Methods

deleteExpired()

Delete expired records. Allows setting of 'from' and 'to' ID's so that rows can be deleted in small batches.

public deleteExpired(string $dateLimit[, int|null $limit = null ]) : int
Parameters
$dateLimit : string

Date threshold of an "expired" record in format 'Y-m-d H:i:s'.

$limit : int|null = null

Maximum number of rows to delete or null for no limit.

Return values
int

Number of rows deleted

expirationCallback()

Update the select statement to find records to delete.

protected abstract expirationCallback(Select $select, string $dateLimit) : void
Parameters
$select : Select

Select clause

$dateLimit : string

Date threshold of an "expired" record in format 'Y-m-d H:i:s'.

Return values
void

getExpiredBatchLastId()

Get the highest id to delete in a batch.

protected getExpiredBatchLastId(string $dateLimit, int $limit) : int|null
Parameters
$dateLimit : string

Date threshold of an "expired" record in format 'Y-m-d H:i:s'.

$limit : int

Maximum number of rows to delete.

Return values
int|null

Highest id value to delete or null if a limiting id is not available

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