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<?php
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/**
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* @file
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* Install, update, and uninstall functions for the field_example module.
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*/
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/**
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* Implements hook_field_schema().
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*
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* Defines the database schema of the field, using the format used by the
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* Schema API.
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*
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* The data we will store here is just one 7-character element, even
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* though the widget presents the three portions separately.
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*
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* All implementations of hook_field_schema() must be in the module's
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* .install file.
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*
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* @see http://drupal.org/node/146939
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* @see schemaapi
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* @see hook_field_schema()
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* @ingroup field_example
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*/
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function pollfield_field_schema($field) {
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$columns = array(
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'question' => array('type' => 'text', 'size' => 'medium', 'not null' => FALSE),
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'choice' => array('type' => 'text', 'size' => 'medium', 'not null' => FALSE),
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'anonymous'=> array('type' => 'text', 'size' => 'small', 'not null' => FALSE),
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'poll_features'=>array('type' => 'text', 'size' => 'medium', 'not null' => FALSE),
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'active' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => FALSE, 'default' => 0),
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'runtime'=> array('type' => 'int', 'unsigned' => TRUE, 'not null' => FALSE, 'default' => 0),
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'votes'=> array('type' => 'int', 'unsigned' => TRUE, 'not null' => FALSE, 'default' => 0),
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);
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$indexes = array(
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);
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return array(
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'columns' => $columns,
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'indexes' => $indexes,
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);
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}
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/**
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* Implements hook_schema().
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*
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* @ingroup nodeapi_example
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*/
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function pollfield_schema() {
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$schema['pollfield'] = array(
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'description' => 'Inventory of all pollfields their basic settings',
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'fields' => array(
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'nid' => array(
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'description' => 'Node ID',
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'type' => 'int',
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'unsigned' => 1,
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'default' => 0,
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),
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'field_table' => array(
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'description' => 'The table where the pollfield is stored',
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'type' => 'varchar',
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'length' => 255,
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'default' => '',
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),
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'field_name' => array(
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'description' => 'Pollfield name',
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'type' => 'varchar',
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'length' => 32,
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'default' => '',
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),
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'field_name_delta' => array(
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'description' => 'Delta for multiple fields',
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'type' => 'int',
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'default' => 0,
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),
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'runtime' => array(
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'description' => 'Time in seconds a pollfield is scheduled to be active',
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'type' => 'int',
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'default' => 0,
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),
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'active' => array(
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'description' => 'Whether the poll is active or not',
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'type' => 'int',
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'unsigned' => 1,
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'default' => 0,
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),
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),
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'indexes' => array(
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'nid' => array('nid'),
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'field_table' => array('field_table'),
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),
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);
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$schema['pollfield_votes'] = array(
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'description' => 'Pollfield results table',
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'fields' => array(
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'nid' => array(
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'description' => 'Pollfield node ID',
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'type' => 'int',
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'unsigned' => 1,
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'not null' => TRUE,
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),
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'field_table' => array(
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'description' => 'The table where the pollfield is stored',
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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),
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'field_name' => array(
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'description' => 'The table where the pollfield is stored',
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'type' => 'varchar',
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'length' => 32,
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'not null' => TRUE,
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'default' => '',
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),
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'uid' => array(
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'description' => 'Voter user ID',
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'type' => 'int',
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'unsigned' => 1,
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'not null' => TRUE,
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'default' => 0,
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),
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'delta' => array(
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'description' => 'Choice',
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'type' => 'int',
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'not null' => TRUE,
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'default' => -1,
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),
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'hostname' => array(
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'description' => 'Voter hostname',
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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),
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'field_name_delta' => array(
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'description' => 'Pollfield delta',
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'type' => 'int',
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'unsigned' => 1,
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'not null' => TRUE,
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'default' => 0,
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),
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'weight' => array(
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'description' => 'Weight for mulitchoice',
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'type' => 'int',
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'unsigned' => 1,
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'not null' => TRUE,
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'default' => 0,
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),
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'cookie' => array(
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'description' => 'Cookie for anonymous voters',
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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),
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),
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'indexes' => array(
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'nid' => array('nid'),
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'uid' => array('uid'),
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'field_table' => array('field_table'),
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'hostname' => array('hostname'),
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),
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);
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return $schema;
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}
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/**
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* Implements hook_uninstall().
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*
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* We need to clean up our variables data when uninstalling our module.
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*
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* Our implementation of nodeapi_example_form_alter() automatically
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* creates a nodeapi_example_node_type_<contentType> variable for each node type
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* the user wants to rate.
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*
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* To delete our variables we call variable_del for our variables'
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* namespace, 'nodeapi_example_node_type_'. Note that an average module would
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* have known variables that it had created, and it could just delete those
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* explicitly. For example, see render_example_uninstall(). It's important
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* not to delete variables that might be owned by other modules, so normally
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* we would just explicitly delete a set of known variables.
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*
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* hook_uninstall() will only be called when uninstalling a module, not when
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* disabling a module. This allows our data to stay in the database if the user
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* only disables our module without uninstalling it.
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*
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* @ingroup nodeapi_example
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*/
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function pollfield_uninstall() {
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// Simple DB query to get the names of our variables.
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$results = db_select('variable', 'v')
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->fields('v', array('name'))
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->condition('name', 'pollfield_%', 'LIKE')
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->execute();
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// Loop through and delete each of our variables.
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foreach ($results as $result) {
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variable_del($result->name);
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}
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}
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