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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 acl module.
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*/
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/**
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* Implementation of hook_schema().
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*/
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function acl_schema() {
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$schema['acl'] = array(
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'description' => 'The base Access Control Lists table.',
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'fields' => array(
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'acl_id' => array(
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'description' => 'Primary key: unique ACL ID.',
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'type' => 'serial',
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'not null' => TRUE,
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),
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'module' => array(
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'description' => 'The name of the module that created this ACL entry.',
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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),
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'name' => array(
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'description' => 'A name (or other identifying information) for this ACL entry, given by the module that created it.',
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'type' => 'varchar',
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'length' => 255,
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),
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'number' => array(
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'description' => "A number for this ACL entry, given by the module that created it; use either 'name' or 'number'.",
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'type' => 'int',
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),
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),
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'primary key' => array('acl_id'),
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'indexes' => array(
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'module_name_number' => array(array('module', 64), array('name', 64), 'number'),
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'module_number' => array(array('module', 64), 'number'),
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),
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);
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$schema['acl_user'] = array(
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'description' => 'Identifies {users} to which the referenced {acl} entry applies.',
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'fields' => array(
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'acl_id' => array(
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'description' => 'The {acl}.acl_id of the entry.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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),
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'uid' => array(
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'description' => 'The {user}.uid to which this {acl} entry applies.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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),
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),
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'primary key' => array('acl_id', 'uid'),
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'indexes' => array(
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'uid' => array('uid'),
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),
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);
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$schema['acl_node'] = array(
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'description' => 'Identifies {node}s to which the referenced {acl} entry applies and defines the permissions granted.',
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'fields' => array(
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'acl_id' => array(
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'description' => 'The {acl}.acl_id of the entry.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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),
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'nid' => array(
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'description' => 'The {node}.nid to grant permissions for.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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),
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'grant_view' => array(
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'description' => 'Whether to grant "view" permission.',
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'type' => 'int',
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'size' => 'tiny',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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),
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'grant_update' => array(
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'description' => 'Whether to grant "update" permission.',
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'type' => 'int',
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'size' => 'tiny',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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),
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'grant_delete' => array(
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'description' => 'Whether to grant "delete" permission.',
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'type' => 'int',
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'size' => 'tiny',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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),
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'priority' => array(
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'description' => 'The priority of this grant record (for hook_node_access_records()).',
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'type' => 'int',
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'size' => 'small',
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'not null' => TRUE,
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'default' => 0,
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),
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),
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'primary key' => array('acl_id', 'nid'),
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'indexes' => array(
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'nid' => array('nid'),
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),
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);
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return $schema;
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}
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/**
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* Fixes primary keys
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*/
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function acl_update_2() {
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$ret = array();
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// drop the previously created indexes (except for acl_user.uid)
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db_drop_index($ret, 'acl', 'acl_id');
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db_drop_index($ret, 'acl_user', 'acl_id');
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db_drop_index($ret, 'acl_node', 'acl_id');
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db_drop_index($ret, 'acl_node', 'nid');
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// create new indexes (as primary keys this time)
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db_add_primary_key($ret, 'acl', array('acl_id'));
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db_add_primary_key($ret, 'acl_user', array('acl_id', 'uid'));
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db_add_primary_key($ret, 'acl_node', array('acl_id', 'nid'));
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return $ret;
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}
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/**
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* Put back acl_node(nid) index for deleting nodes and clean up {acl_node}.
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*/
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function acl_update_4() {
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$ret = array();
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db_add_index($ret, 'acl_node', 'nid', array('nid'));
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$ret[] = update_sql("DELETE FROM {acl_node} WHERE nid NOT IN (SELECT nid FROM {node})");
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return $ret;
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}
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/**
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* Clean up {acl_user}.
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*/
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function acl_update_5() {
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$ret = array();
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$ret[] = update_sql("DELETE FROM {acl_user} WHERE uid NOT IN (SELECT uid FROM {users})");
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return $ret;
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}
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/**
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* Add 'priority' column.
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*/
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function acl_update_6() {
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$ret = array();
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db_add_field($ret, 'acl_node', 'priority', array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0));
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return $ret;
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}
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/**
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* Change acl_id to auto-increment.
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*/
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function acl_update_6000() {
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$ret = array();
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db_change_field($ret, 'acl', 'acl_id', 'acl_id', array('type' => 'serial', 'not null' => TRUE));
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// (Dropping and recreating the primary key on an auto_increment column would cause a MySQL failure.)
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db_change_field($ret, 'acl', 'module', 'module', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE));
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db_change_field($ret, 'acl', 'name', 'name', array('type' => 'varchar', 'length' => 255));
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db_add_index($ret, 'acl_node', 'nid', array('nid'));
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return $ret;
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}
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/**
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* Add index that should have been added when upgrading from D5.
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*/
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function acl_update_6001() {
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$ret = array();
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@db_add_index($ret, 'acl_node', 'nid', array('nid'));
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return ($ret['success'] ? $ret : array()); // ignore possible error, if the index already exists
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}
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/**
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* Add 'number' column if it's not there yet.
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*/
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function acl_update_7000() {
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if (!db_field_exists('acl', 'number')) {
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db_add_field('acl', 'number', array('type' => 'int', 'description' => "A number for this ACL entry, given by the module that created it; use either 'name' or 'number'."));
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}
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}
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/**
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* Install better indexes.
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*/
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function acl_update_7001() {
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if (db_index_exists('acl', 'name')) {
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db_drop_index('acl', 'name');
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}
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if (!db_index_exists('acl', 'module_name_number')) {
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db_add_index('acl', 'module_name_number', array(array('module', 64), array('name', 64), 'number'));
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}
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if (db_index_exists('acl', 'number')) {
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db_drop_index('acl', 'number');
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}
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if (!db_index_exists('acl', 'module_number')) {
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db_add_index('acl', 'module_number', array(array('module', 64), 'number'));
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}
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}
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