mirror of
https://github.com/tag1consulting/d7_to_d10_migration.git
synced 2024-12-01 17:53:26 +00:00
493 lines
15 KiB
Text
493 lines
15 KiB
Text
<?php
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/**
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* @file
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* Install, update and uninstall functions for the field module.
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*/
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/**
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* Implements hook_schema().
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*/
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function field_schema() {
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// Static (meta) tables.
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$schema['field_config'] = array(
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'fields' => array(
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'id' => array(
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'type' => 'serial',
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'not null' => TRUE,
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'description' => 'The primary identifier for a field',
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),
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'field_name' => array(
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'type' => 'varchar',
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'length' => 32,
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'not null' => TRUE,
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'description' => 'The name of this field. Non-deleted field names are unique, but multiple deleted fields can have the same name.',
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),
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'type' => array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'description' => 'The type of this field.',
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),
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'module' => array(
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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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'description' => 'The module that implements the field type.',
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),
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'active' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'Boolean indicating whether the module that implements the field type is enabled.',
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),
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'storage_type' => array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'description' => 'The storage backend for the field.',
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),
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'storage_module' => array(
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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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'description' => 'The module that implements the storage backend.',
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),
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'storage_active' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'Boolean indicating whether the module that implements the storage backend is enabled.',
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),
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'locked' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'description' => '@TODO',
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),
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'data' => array(
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'type' => 'blob',
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'size' => 'big',
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'not null' => TRUE,
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'serialize' => TRUE,
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'description' => 'Serialized data containing the field properties that do not warrant a dedicated column.',
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),
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'cardinality' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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),
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'translatable' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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),
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'deleted' => array(
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'type' => 'int',
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'size' => 'tiny',
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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('id'),
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'indexes' => array(
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'field_name' => array('field_name'),
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// Used by field_sync_field_status().
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'active' => array('active'),
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'storage_active' => array('storage_active'),
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'deleted' => array('deleted'),
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// Used by field_modules_disabled().
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'module' => array('module'),
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'storage_module' => array('storage_module'),
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'type' => array('type'),
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'storage_type' => array('storage_type'),
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),
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);
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$schema['field_config_instance'] = array(
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'fields' => array(
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'id' => array(
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'type' => 'serial',
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'not null' => TRUE,
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'description' => 'The primary identifier for a field instance',
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),
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'field_id' => array(
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'type' => 'int',
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'not null' => TRUE,
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'description' => 'The identifier of the field attached by this instance',
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),
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'field_name' => array(
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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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'entity_type' => array(
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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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'bundle' => array(
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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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'data' => array(
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'type' => 'blob',
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'size' => 'big',
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'not null' => TRUE,
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'serialize' => TRUE,
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),
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'deleted' => array(
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'type' => 'int',
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'size' => 'tiny',
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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('id'),
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'indexes' => array(
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// Used by field_delete_instance().
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'field_name_bundle' => array('field_name', 'entity_type', 'bundle'),
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// Used by field_read_instances().
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'deleted' => array('deleted'),
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),
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);
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$schema['cache_field'] = drupal_get_schema_unprocessed('system', 'cache');
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$schema['cache_field']['description'] = 'Cache table for the Field module to store already built field information.';
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return $schema;
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}
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/**
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* Utility function: create a field by writing directly to the database.
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*
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* This function can be used for databases whose schema is at field module
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* version 7000 or higher.
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*
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* @ingroup update_api
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*/
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function _update_7000_field_create_field(&$field) {
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// Merge in default values.`
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$field += array(
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'entity_types' => array(),
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'cardinality' => 1,
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'translatable' => FALSE,
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'locked' => FALSE,
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'settings' => array(),
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'indexes' => array(),
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'deleted' => 0,
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'active' => 1,
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);
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// Set storage.
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$field['storage'] = array(
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'type' => 'field_sql_storage',
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'settings' => array(),
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'module' => 'field_sql_storage',
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'active' => 1,
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);
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// Fetch the field schema to initialize columns and indexes. The field module
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// is not guaranteed to be loaded at this point.
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module_load_install($field['module']);
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$schema = (array) module_invoke($field['module'], 'field_schema', $field);
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$schema += array('columns' => array(), 'indexes' => array());
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// 'columns' are hardcoded in the field type.
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$field['columns'] = $schema['columns'];
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// 'indexes' can be both hardcoded in the field type, and specified in the
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// incoming $field definition.
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$field['indexes'] += $schema['indexes'];
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// The serialized 'data' column contains everything from $field that does not
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// have its own column and is not automatically populated when the field is
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// read.
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$data = $field;
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unset($data['columns'], $data['field_name'], $data['type'], $data['active'], $data['module'], $data['storage_type'], $data['storage_active'], $data['storage_module'], $data['locked'], $data['cardinality'], $data['deleted']);
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// Additionally, do not save the 'bundles' property populated by
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// field_info_field().
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unset($data['bundles']);
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// Write the field to the database.
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$record = array(
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'field_name' => $field['field_name'],
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'type' => $field['type'],
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'module' => $field['module'],
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'active' => (int) $field['active'],
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'storage_type' => $field['storage']['type'],
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'storage_module' => $field['storage']['module'],
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'storage_active' => (int) $field['storage']['active'],
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'locked' => (int) $field['locked'],
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'data' => serialize($data),
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'cardinality' => $field['cardinality'],
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'translatable' => (int) $field['translatable'],
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'deleted' => (int) $field['deleted'],
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);
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// We don't use drupal_write_record() here because it depends on the schema.
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$field['id'] = db_insert('field_config')
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->fields($record)
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->execute();
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// Create storage for the field.
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field_sql_storage_field_storage_create_field($field);
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}
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/**
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* Utility function: delete a field stored in SQL storage directly from the database.
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*
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* To protect user data, this function can only be used to delete fields once
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* all information it stored is gone. Delete all data from the
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* field_data_$field_name table before calling by either manually issuing
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* delete queries against it or using _update_7000_field_delete_instance().
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*
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* This function can be used for databases whose schema is at field module
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* version 7000 or higher.
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*
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* @param $field_name
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* The field name to delete.
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*
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* @ingroup update_api
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*/
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function _update_7000_field_delete_field($field_name) {
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$table_name = 'field_data_' . $field_name;
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if (db_select($table_name)->range(0, 1)->countQuery()->execute()->fetchField()) {
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$t = get_t();
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throw new Exception($t('This function can only be used to delete fields without data'));
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}
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// Delete all instances.
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db_delete('field_config_instance')
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->condition('field_name', $field_name)
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->execute();
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// Nuke field data and revision tables.
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db_drop_table($table_name);
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db_drop_table('field_revision_' . $field_name);
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// Delete the field.
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db_delete('field_config')
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->condition('field_name', $field_name)
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->execute();
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}
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/**
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* Utility function: delete an instance and all its data of a field stored in SQL Storage.
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*
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* BEWARE: this function deletes user data from the field storage tables.
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*
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* This function is valid for a database schema version 7000.
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*
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* @ingroup update_api
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*/
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function _update_7000_field_delete_instance($field_name, $entity_type, $bundle) {
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// Delete field instance configuration data.
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db_delete('field_config_instance')
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->condition('field_name', $field_name)
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->condition('entity_type', $entity_type)
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->condition('bundle', $bundle)
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->execute();
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// Nuke data.
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db_delete('field_data_' . $field_name)
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->condition('entity_type', $entity_type)
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->condition('bundle', $bundle)
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->execute();
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db_delete('field_revision_' . $field_name)
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->condition('entity_type', $entity_type)
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->condition('bundle', $bundle)
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->execute();
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}
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/**
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* Utility function: fetch all the field definitions from the database.
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*
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* Warning: unlike the field_read_fields() API function, this function returns
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* all fields by default, including deleted and inactive fields, unless
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* specified otherwise in the $conditions parameter.
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*
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* @param $conditions
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* An array of conditions to limit the select query to.
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* @param $key
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* The name of the field property the return array is indexed by. Using
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* anything else than 'id' might cause incomplete results if the $conditions
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* do not filter out deleted fields.
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*
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* @return
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* An array of fields matching $conditions, keyed by the property specified
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* by the $key parameter.
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*
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* @ingroup update_api
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*/
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function _update_7000_field_read_fields(array $conditions = array(), $key = 'id') {
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$fields = array();
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$query = db_select('field_config', 'fc', array('fetch' => PDO::FETCH_ASSOC))
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->fields('fc');
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foreach ($conditions as $column => $value) {
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$query->condition($column, $value);
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}
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foreach ($query->execute() as $record) {
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$field = unserialize($record['data']);
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$field['id'] = $record['id'];
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$field['field_name'] = $record['field_name'];
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$field['type'] = $record['type'];
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$field['module'] = $record['module'];
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$field['active'] = $record['active'];
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$field['storage']['type'] = $record['storage_type'];
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$field['storage']['module'] = $record['storage_module'];
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$field['storage']['active'] = $record['storage_active'];
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$field['locked'] = $record['locked'];
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$field['cardinality'] = $record['cardinality'];
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$field['translatable'] = $record['translatable'];
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$field['deleted'] = $record['deleted'];
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$fields[$field[$key]] = $field;
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}
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return $fields;
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}
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/**
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* Utility function: write a field instance directly to the database.
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*
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* This function can be used for databases whose schema is at field module
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* version 7000 or higher.
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*
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* @ingroup update_api
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*/
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function _update_7000_field_create_instance($field, &$instance) {
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// Merge in defaults.
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$instance += array(
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'field_id' => $field['id'],
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'field_name' => $field['field_name'],
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'deleted' => 0,
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);
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// The serialized 'data' column contains everything from $instance that does
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// not have its own column and is not automatically populated when the
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// instance is read.
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$data = $instance;
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unset($data['id'], $data['field_id'], $data['field_name'], $data['entity_type'], $data['bundle'], $data['deleted']);
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$record = array(
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'field_id' => $instance['field_id'],
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'field_name' => $instance['field_name'],
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'entity_type' => $instance['entity_type'],
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'bundle' => $instance['bundle'],
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'data' => serialize($data),
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'deleted' => (int) $instance['deleted'],
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);
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$instance['id'] = db_insert('field_config_instance')
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->fields($record)
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->execute();
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}
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/**
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* @addtogroup updates-6.x-to-7.x
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* @{
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*/
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/**
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* Field update version placeholder.
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*/
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function field_update_7000() {
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// Some update helper functions (such as _update_7000_field_create_field())
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// modify the database directly. They can be used safely only if the database
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// schema matches the field module schema established for Drupal 7.0 (i.e.
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// version 7000). This function exists solely to set the schema version to
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// 7000, so that update functions calling those helpers can do so safely
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// by declaring a dependency on field_update_7000().
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}
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/**
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* Fix fields definitions created during the d6 to d7 upgrade path.
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*/
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function field_update_7001() {
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$fields = _update_7000_field_read_fields();
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foreach ($fields as $field) {
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// _update_7000_field_create_field() was broken in d7 RC2, and the fields
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// created during a d6 to d7 upgrade do not correcly store the 'index'
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// entry. See http://drupal.org/node/996160.
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module_load_install($field['module']);
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$schema = (array) module_invoke($field['module'], 'field_schema', $field);
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$schema += array('indexes' => array());
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// 'indexes' can be both hardcoded in the field type, and specified in the
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// incoming $field definition.
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$field['indexes'] += $schema['indexes'];
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// Place the updated entries in the existing serialized 'data' column.
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$data = db_query("SELECT data FROM {field_config} WHERE id = :id", array(':id' => $field['id']))->fetchField();
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$data = unserialize($data);
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$data['columns'] = $field['columns'];
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$data['indexes'] = $field['indexes'];
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// Save the new data.
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$query = db_update('field_config')
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->condition('id', $field['id'])
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->fields(array('data' => serialize($data)))
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->execute();
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}
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}
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/**
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* @} End of "addtogroup updates-6.x-to-7.x".
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*/
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/**
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* @addtogroup updates-7.x-extra
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* @{
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*/
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/**
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* Split the all-inclusive field_bundle_settings variable per bundle.
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*/
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function field_update_7002() {
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$settings = variable_get('field_bundle_settings', array());
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if ($settings) {
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foreach ($settings as $entity_type => $entity_type_settings) {
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foreach ($entity_type_settings as $bundle => $bundle_settings) {
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variable_set('field_bundle_settings_' . $entity_type . '__' . $bundle, $bundle_settings);
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}
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}
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variable_del('field_bundle_settings');
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}
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}
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/**
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* Add the FieldInfo class to the class registry.
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*/
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function field_update_7003() {
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// Empty update to force a rebuild of the registry.
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}
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/**
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* Grant the new "administer fields" permission to trusted users.
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*/
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function field_update_7004() {
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// Assign the permission to anyone that already has a trusted core permission
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// that would have previously let them administer fields on an entity type.
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$rids = array();
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$permissions = array(
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'administer site configuration',
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'administer content types',
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'administer users',
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);
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foreach ($permissions as $permission) {
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$rids = array_merge($rids, array_keys(user_roles(FALSE, $permission)));
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}
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$rids = array_unique($rids);
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foreach ($rids as $rid) {
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_update_7000_user_role_grant_permissions($rid, array('administer fields'), 'field');
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}
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}
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/**
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* @} End of "addtogroup updates-7.x-extra".
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*/
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