gnu-social/classes/Schema_version.php

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<?php
/**
* Table Definition for schema_version
*/
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class Schema_version extends Managed_DataObject
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{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'schema_version'; // table name
public $table_name; // varchar(64) primary_key not_null
public $checksum; // varchar(64) not_null
public $modified; // datetime() not_null
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
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public static function schemaDef()
{
return array(
'description' => 'To avoid checking database structure all the time, we store a checksum of the expected schema info for each table here. If it has not changed since the last time we checked the table, we can leave it as is.',
'fields' => array(
'table_name' => array('type' => 'varchar', 'length' => '64', 'not null' => true, 'description' => 'Table name'),
'checksum' => array('type' => 'varchar', 'length' => '64', 'not null' => true, 'description' => 'Checksum of schema array; a mismatch indicates we should check the table more thoroughly.'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
'primary key' => array('table_name'),
);
}
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}