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// Updates happen in random order, whether or not the module is enabled,
// so include critical code here just to be sure.
include_once('./'. drupal_get_path('module', 'content') .'/content.module');
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/**
* 'Safe' version of content_types() to use in updates and installs.
*
* Can't safely use content_fields() or content_types() in an update to get
* a fields array, especially without knowing what field modules are enabled,
* or the current state of the database and cache, so create a fields array
* from database info that is limited to fields from modules that are
* currently enabled.
*/
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function content_install_types() {
$module_field_types = $module_widgets = array();
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foreach (module_list() as $module) {
if ($field_type = module_invoke($module, 'field_info')) {
$module_field_types[$module] = $field_type;
}
if ($widget_type = module_invoke($module, 'widget_info')) {
$module_widgets[$module] = $widget_type;
}
}
$fields = array();
$db_result = db_query("SELECT * FROM {". content_instance_tablename() ."} nfi ".
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" LEFT JOIN {". content_field_tablename() ."} nf ON nf.field_name = nfi.field_name");
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while ($field = db_fetch_array($db_result)) {
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// There may be module data available for currently disabled modules,
// or missing module data for currently enabled modules, so start over
// to get only field info for enabled modules.
unset($field['module']);
unset($field['widget_module']);
foreach ($module_field_types as $module => $types) {
foreach ($types as $type_name => $type) {
if ($field['type'] == $type_name) {
$field['module'] = $module;
}
}
}
foreach ($module_widgets as $module => $types) {
foreach ($types as $type_name => $type) {
if ($field['widget_type'] == $type_name) {
$field['widget_module'] = $module;
}
}
}
if (!empty($field['module']) && !empty($field['widget_module'])) {
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$field['widget_settings'] = unserialize($field['widget_settings']);
$field['display_settings'] = unserialize($field['display_settings']);
$field['columns'] = module_invoke($field['module'], 'field_settings', 'database columns', $field);
$fields[$field['type_name']][$field['field_name']] = $field;
}
}
return $fields;
}
/**
* Implementation of hook_install().
*/
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variable_set('content_schema_version', 6002);
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drupal_install_schema('content');
}
/**
* Implementation of hook_uninstall().
*/
function content_uninstall() {
variable_del('content_schema_version');
drupal_uninstall_schema('content');
* Implementation of hook_enable().
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// Make sure old data is emptied out of the caches, since it
// may no longer be valid since the module was last enabled,
// especially if not all the same field modules are enabled
// as before. Especially needed during updates.
cache_clear_all('*', 'cache_content', TRUE);
content_clear_type_cache(TRUE);
}
/**
* Implementation of hook_disable().
*/
function content_disable() {
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// Make sure old data is emptied out of the caches, since it
// may no longer be valid when the module is re-enabled.
cache_clear_all('*', 'cache_content', TRUE);
content_clear_type_cache(TRUE);
/**
* Implementation of hook_schema.
*/
function content_schema() {
// Static (meta) tables.
$schema['content_node_field'] = array(
'fields' => array(
'field_name' => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
'type' => array('type' => 'varchar', 'length' => 127, 'not null' => TRUE, 'default' => ''),
'global_settings' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
'required' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0),
'multiple' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0),
'db_storage' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 1),
'module' => array('type' => 'varchar', 'length' => 127, 'not null' => TRUE, 'default' => ''),
'columns' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
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'active' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0),
),
'primary key' => array('field_name'),
);
$schema['content_node_field_instance'] = array(
'fields' => array(
'field_name' => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
'type_name' => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
'weight' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
'label' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
'widget_type' => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
'widget_settings' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
'display_settings' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
'description' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
'widget_module' => array('type' => 'varchar', 'length' => 127, 'not null' => TRUE, 'default' => ''),
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'widget_active' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0),
),
'primary key' => array('field_name', 'type_name'),
);
$schema['cache_content'] = drupal_get_schema_unprocessed('system', 'cache');
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// When the module is first installed, the remaining code in the schema
// will create errors, since these tables have not yet been created.
// We don't need to create data tables on initial installation anyway
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// since no fields have been created yet, so just return with this much
// of the schema.
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if (!db_table_exists('content_node_field') || !db_table_exists('content_node_field_instance')) {
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return $schema;
}
// Dynamic (data) tables.
// We can't use many helper functions here, like content_fields() or
// content_types() or we risk creating a fatal loop from circular
// logic when they call other functions that use this schema, so create
// the schema directly from a fresh query of the database.
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// content_table_schema() and content_database_info() have no
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$db_result = db_query("SELECT * FROM {". content_instance_tablename() ."} nfi ".
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" LEFT JOIN {". content_field_tablename() ."} nf ON nf.field_name = nfi.field_name WHERE nf.active = 1 AND nfi.widget_active = 1");
while ($field = db_fetch_array($db_result)) {
$field['columns'] = unserialize($field['columns']);
$content_table = _content_tablename($field['type_name'], CONTENT_DB_STORAGE_PER_CONTENT_TYPE);
$field_table = _content_tablename($field['field_name'], CONTENT_DB_STORAGE_PER_FIELD);
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// We always add a 'per content type' table for each content type that
// has fields.
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if (!isset($schema[$content_table])) {
$schema[$content_table] = content_table_schema();
}
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$base_schema = content_table_schema($field);
if ($field['db_storage'] == CONTENT_DB_STORAGE_PER_FIELD) {
// Per-field storage : add the 'per field' table if needed.
if (!isset($schema[$field_table])) {
$schema[$field_table] = $base_schema;
}
else {
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// Per-type storage : merge the information for the field
// in the existing table.
$schema[$content_table]['fields'] = array_merge($schema[$content_table]['fields'], $base_schema['fields']);
$schema[$content_table]['content fields'] = array_merge($schema[$content_table]['content fields'], $base_schema['content fields']);
}
}
return $schema;
}
function content_update_last_removed() {
return 1008;
}
/**
* Add module name to fields table to make it easier to identify the fields to delete when a module
* is uninstalled.
*
* Needed because the value drops out of content_info() when module is disabled, so there
* is no other way to find the associated fields.
*/
function content_update_6000() {
$ret = array();
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if (db_column_exists(content_field_tablename(), 'active')) {
return $ret;
db_add_field($ret, content_field_tablename(), 'module', array('type' => 'varchar', 'length' => 127, 'not null' => TRUE, 'default' => ''));
db_add_field($ret, content_field_tablename(), 'columns', array('type' => 'text', 'not null' => TRUE, 'default' => ''));
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db_add_field($ret, content_field_tablename(), 'active', array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0));
db_add_field($ret, content_instance_tablename(), 'widget_module', array('type' => 'varchar', 'length' => 127, 'not null' => TRUE, 'default' => ''));
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db_add_field($ret, content_instance_tablename(), 'widget_active', array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0));
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// This will update the table for any modules enabled at this time.
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content_associate_fields($module);
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// Fix the cache_content schema
if (db_table_exists('cache_content')) {
db_drop_table($ret, 'cache_content');
}
db_create_table($ret, 'cache_content', drupal_get_schema_unprocessed('system', 'cache'));
variable_set('content_schema_version', 6000);
// The cache table had to be used to store data until this update ran,
// so clear cache out now that we're switching back to the cache_content table.
$ret[] = update_sql('DELETE FROM {cache}');
return $ret;
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}
/**
* Rename node_field and node_field_instance tables.
*
* This is a carryover from when the data tables were renamed,
* postponed so we wouldn't create any more havoc than necessary
* until a major version change.
*
* Using 'content_node_field' instead of 'content_field'
* to avoid conflicts with field tables that will be prefixed
* with 'content_field'.
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function content_update_6001() {
$ret = array();
if (db_table_exists('content_node_field')) {
return $ret;
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}
db_rename_table($ret, 'node_field', 'content_node_field');
db_rename_table($ret, 'node_field_instance', 'content_node_field_instance');
variable_set('content_schema_version', 6001);
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return $ret;
}
/**
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* Get rid of automatic per content tables for content types that have no fields.
* Switching to adding those tables only when needed.
*/
function content_update_6002() {
$result = db_query("SELECT DISTINCT type_name FROM {". content_instance_tablename() ."}");
while ($type = db_fetch_array($result)) {
$field_types[] = $type['type_name'];
}
foreach ($db_types as $content_type => $content_info) {
if (!in_array($content_type, $field_types)) {
$table = _content_tablename($content_type, CONTENT_DB_STORAGE_PER_CONTENT_TYPE);
if (db_table_exists($table)) {
db_drop_table($ret, $table);
}
}
}
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variable_set('content_schema_version', 6002);
content_clear_type_cache(TRUE);