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<?php
/**
* @file
* Muamba installation functions.
*/
/**
* Implements hook_install()
*/
function muamba_install() {
}
/**
* Implements hook_schema()
*/
function muamba_schema() {
$schema['muamba'] = array(
'description' => 'The base table for muamba assets.',
'fields' => array(
'mid' => array(
'description' => t('The primary identifier for a muamba transaction.'),
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
),
'nid' => array(
'description' => t('The {node}.nid of an item.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'owner' => array(
'description' => t('The {user}.owner owner of an item.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'uid' => array(
'description' => t('The {user}.uid requesting an item.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'thread_id' => array(
'description' => t('The {thread}.thread_id for the transaction.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'status' => array(
'description' => t('Transaction status.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'active' => array(
'description' => t('Whether it is an active transaction.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 1,
),
'created' => array(
'description' => 'Timestamp of the transaction request',
'type' => 'int',
'not null' => TRUE,
'unsigned' => TRUE,
'default' => 0,
),
'changed' => array(
'description' => 'Timestamp of the latest update',
'type' => 'int',
'not null' => TRUE,
'unsigned' => TRUE,
'default' => 0,
),
),
'foreign keys' => array(
'node' => array(
'table' => 'node',
'columns' => array('nid' => 'nid'),
),
'owner' => array(
'table' => 'users',
'columns' => array('owner' => 'uid'),
),
'requester' => array(
'table' => 'users',
'columns' => array('uid' => 'uid'),
),
'thread' => array(
'table' => 'pm_index',
'columns' => array('thread_id' => 'thread_id'),
),
),
'primary key' => array('mid'),
);
return $schema;
}
/**
* Adds transactional fields to muamba data model.
*/
function muamba_update_7000(&$sandbox) {
// Make sure to not run this update twice.
if (db_field_exists('muamba', 'mid')) {
return;
}
db_add_field('muamba', 'mid',
array(
'description' => t('The primary identifier for a muamba transaction.'),
'type' => 'int',
'not null' => TRUE,
)
);
db_add_primary_key('muamba', array('mid'));
db_add_field('muamba', 'status',
array(
'description' => t('Transaction status.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
)
);
db_add_field('muamba', 'thread_id',
array(
'description' => t('The {thread}.thread_id for the transaction.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
array(
'foreign keys' => array(
'thread' => array(
'table' => 'pm_index',
'columns' => array('thread_id' => 'thread_id'),
)
)
)
);
}
/**
* Adds autoincrement to mid field.
*/
function muamba_update_7001(&$sandbox) {
db_change_field('muamba', 'mid', 'mid',
array(
'type' => 'serial',
'not null' => TRUE,
)
);
}
/**
* Adds owner field.
*/
function muamba_update_7002(&$sandbox) {
db_add_field('muamba', 'owner',
array(
'description' => t('The {user}.owner owner of an item.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
)
);
}
/**
* Adds active field.
*/
function muamba_update_7003(&$sandbox) {
db_add_field('muamba', 'active',
array(
'description' => t('Whether it is an active transaction.'),
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 1,
)
);
}
/**
* Adds timestamp fields.
*/
function muamba_update_7004(&$sandbox) {
db_add_field('muamba', 'created',
array(
'description' => 'Timestamp of the transaction request',
'type' => 'int',
'not null' => TRUE,
'unsigned' => TRUE,
'default' => 0,
)
);
db_add_field('muamba', 'changed',
array(
'description' => 'Timestamp of the latest update',
'type' => 'int',
'not null' => TRUE,
'unsigned' => TRUE,
'default' => 0,
)
);
}
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