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<?php
/**
* @file
* Installation functions for History module.
*/
use Drupal\Core\Database\Database;
/**
* Implements hook_schema().
*/
function history_schema() {
$schema['history'] = [
'description' => 'A record of which {users} have read which {node}s.',
'fields' => [
'uid' => [
'description' => 'The {users}.uid that read the {node} nid.',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
],
'nid' => [
'description' => 'The {node}.nid that was read.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
],
'timestamp' => [
'description' => 'The Unix timestamp at which the read occurred.',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
],
],
'primary key' => ['uid', 'nid'],
'indexes' => [
'nid' => ['nid'],
],
];
return $schema;
}
/**
* Change {history}.nid to an unsigned int in order to match {node}.nid.
*/
function history_update_8101() {
$schema = Database::getConnection()->schema();
$schema->dropPrimaryKey('history');
$schema->dropIndex('history', 'nid');
$schema->changeField('history', 'nid', 'nid', [
'description' => 'The {node}.nid that was read.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
]);
$schema->addPrimaryKey('history', ['uid', 'nid']);
$spec = [
'description' => 'A record of which {users} have read which {node}s.',
'fields' => [
'uid' => [
'description' => 'The {users}.uid that read the {node} nid.',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
],
'nid' => [
'description' => 'The {node}.nid that was read.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
],
'timestamp' => [
'description' => 'The Unix timestamp at which the read occurred.',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
],
],
'primary key' => ['uid', 'nid'],
'indexes' => [
'nid' => ['nid'],
],
];
$schema->addIndex('history', 'nid', ['nid'], $spec);
}