72 lines
1.6 KiB
Plaintext
72 lines
1.6 KiB
Plaintext
<?php
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/**
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* @file
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* Install, update and uninstall functions for the Serial 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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function serial_field_schema($field) {
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$columns = array();
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switch ($field['type']) {
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case 'serial':
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$columns['value'] = array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'sortable' => TRUE,
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'views' => TRUE,
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'index' => TRUE,
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);
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break;
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}
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return array('columns' => $columns);
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}
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/**
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* Implements hook_schema().
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*/
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function serial_schema() {
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// Get the standard schema:
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module_load_include('inc', 'serial');
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$table_schema = _serial_get_table_schema();
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$schema = array();
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foreach (_serial_get_all_fields() as $field) {
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$schema[_serial_get_table_name($field->bundle, $field->field_name)] = $table_schema;
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}
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// Return the schema of all the assistant tables (one per field instance).
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return $schema;
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}
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/**
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* Upgrade path.
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*
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* Switches from nids to uniqids.
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*/
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function serial_update_7130() {
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module_load_include('inc', 'serial');
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$table_schema = _serial_get_table_schema();
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// Update the schema of old assistant tables.
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foreach (_serial_get_all_fields() as $field) {
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// Empty the table.
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$table = _serial_get_table_name($field->bundle, $field->field_name);
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db_delete($table)->execute();
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// Drop nid field and key.
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db_drop_field($table, 'nid');
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db_drop_unique_key($table, 'nid');
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// Add uniqid field and key.
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db_add_field($table, 'uniqid', $table_schema['fields']['uniqid']);
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db_add_unique_key($table, 'uniqid', array('uniqid'));
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}
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}
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