db_result
includes/database.mysql.inc, строка 236
- Версии
- 5
db_result($result,$row= 0)- 6
db_result($result)
Возвращает одиночное поле результата из предыдущего запроса.
Используйте эту функцию, для получения результата запроса с единичным полем (например SELECT nid FROM... или SELECT COUNT(*) FROM...), иначе используйте db_fetch_object() или db_fetch_array().
Параметры
$result
Ресурс результата запроса к базе данных, который возвращает db_query().
$row
Индекс строки результата, которую требуется получить.
Возвращаемое значение
Поле результата или FALSE.
Return an individual result field from the previous query.
Only use this function if exactly one field is being selected; otherwise, use db_fetch_object() or db_fetch_array().
Parameters
$result A database query result resource, as returned from db_query().
$row The index of the row whose result is needed.
Return value
The resulting field or FALSE.
Связанные темы
- Слой абстракции базы данных
- Позволяет использование разных типов СУБД, используя один программный код.
▾ 67 функции вызывают db_result()
- aggregator_block in modules/aggregator/aggregator.module
- Реализация hook_block().
- comment_multiple_delete_confirm in modules/comment/comment.module
- List the selected comments and verify that the admin really wants to delete them.
- comment_nodeapi in modules/comment/comment.module
- Реализация hook_nodeapi().
- comment_num_all in modules/comment/comment.module
- Возвращает число комментариев к ноде.
- comment_num_new in modules/comment/comment.module
- get number of new comments for current user and specified node
- comment_num_replies in modules/comment/comment.module
- comment_save in modules/comment/comment.module
- Сохраняет новый или измененный комментарий.
- comment_validate in modules/comment/comment.module
- Проверка данных комментария.
- db_check_setup in includes/database.pgsql.inc
- Проверяет, корректно ли настроена база данных.
- db_next_id in includes/database.mysql.inc
- Возвращает новый уникальный ID для данной таблицы.
- do_search in modules/search/search.module
- Do a query on the full-text search index for a word or words.
- drupal_get_filename in includes/bootstrap.inc
- Returns and optionally sets the filename for a system item (module, theme, etc.). The filename, whether provided, cached, or retrieved from the database, is only returned if the file exists.
- drupal_is_denied in includes/bootstrap.inc
- Perform an access check for a given mask and rule type. Rules are usually created via admin/user/rules page.
- drupal_lookup_path in includes/path.inc
- Для указанного синонима пути возвращается системный URL Drupal, если он существует. Для указанного системного URL Drupal возвращается синоним пути, если он существует. В остальных случаях возвращается FALSE.
- fileupload_file_download in developer/examples/fileupload.module
- Implementation of hook_file_download.
- fileupload_update in developer/examples/fileupload.module
- Implementation of hook_update().
- filter_admin_format_form_submit in modules/filter/filter.module
- Process filter format form submissions.
- filter_format_allowcache in modules/filter/filter.module
- Check if text in a certain input format is allowed to be cached.
- filter_list_format in modules/filter/filter.module
- Возвращает список форматов ввода для выбранного формата.
- forum_submit in modules/forum/forum.module
- Implementation of hook_submit().
- forum_validate in modules/forum/forum.module
- Implementation of hook_validate().
- hook_file_download in developer/hooks/core.php
- Позволяет загружать файлы.
- hook_search in developer/hooks/core.php
- Определяет пользовательскую функцию поиска.
- install_verify_drupal in ./install.php
- Verify if Drupal is installed.
- menu_reset_item in modules/menu/menu.module
- Menu callback; reset a single modified item.
- multipage_form_example_custom_submit in developer/examples/multipage_form_example.module
- node_access in modules/node/node.module
- Устанавливает может ли текущий пользователь выполнять заданные действия на определённом ноде.
- node_access_view_all_nodes in modules/node/node.module
- Determine whether the user has a global viewing grant for all nodes.
- node_comment_mode in modules/node/node.module
- Retrieve the comment mode for the given node ID (none, read, or read/write).
- node_configure in modules/node/node.module
- Menu callback; presents general node configuration options.
- node_menu in modules/node/node.module
- Реализация hook_menu().
- node_multiple_delete_confirm in modules/node/node.module
- node_page_default in modules/node/node.module
- Menu callback; Generate a listing of promoted nodes.
- node_revision_delete in modules/node/node.module
- Delete the revision with specified revision number. A 'delete revision' nodeapi event is invoked when a revision is deleted.
- node_revision_delete_confirm_submit in modules/node/node.module
- node_search in modules/node/node.module
- Implementation of hook_search().
- node_update_index in modules/node/node.module
- Реализация hook_update_index().
- pager_query in includes/pager.inc
- Выполняет «постраничный» запрос к базе данных.
- path_form_alter in modules/path/path.module
- Implementation of hook_form_alter().
- path_form_validate in modules/path/path.module
- Verify that a new URL alias is valid
- path_nodeapi in modules/path/path.module
- Implementation of hook_nodeapi().
- path_set_alias in modules/path/path.module
- Set an aliased path for a given Drupal path, preventing duplicates.
- poll_block in modules/poll/poll.module
- Реализация hook_block().
- profile_autocomplete in modules/profile/profile.module
- Callback to allow autocomplete of profile text fields.
- profile_field_form_validate in modules/profile/profile.module
- Validate profile_field_form submissions.
- search_update_totals in modules/search/search.module
- This function is called on shutdown to ensure that search_total is always up to date (even if cron times out or otherwise fails).
- sess_count in includes/session.inc
- Количество пользователей, которые имеют сессии. Можно рассчитывать для анонимов или аутентифицированных сессий.
- system_install in modules/system/system.install
- Реализация hook_install().
- system_update_124 in modules/system/system.install
- system_update_169 in modules/system/system.install
- system_update_172 in modules/system/system.install
- system_update_178 in modules/system/system.install
- Update base paths for relative URLs in node and comment content.
- system_update_179 in modules/system/system.install
- Update base paths for relative URLs in custom blocks, profiles and various variables.
- upload_delete_revision in modules/upload/upload.module
- upload_save in modules/upload/upload.module
- upload_space_used in modules/upload/upload.module
- Determine how much disk space is occupied by a user's uploaded files.
- upload_total_space_used in modules/upload/upload.module
- Determine how much disk space is occupied by uploaded files.
- user_admin_role_validate in modules/user/user.module
- user_multiple_delete_confirm in modules/user/user.module
- user_multiple_role_edit in modules/user/user.module
- Callback function for admin mass adding/deleting a user role.
- user_save in modules/user/user.module
- Save changes to a user account or add a new user.
- _blogapi_space_used in modules/blogapi/blogapi.module
- _comment_update_node_statistics in modules/comment/comment.module
- Updates the comment statistics for a given node. This should be called any time a comment is added, deleted, or updated.
- _forum_get_vid in modules/forum/forum.module
- Returns the vocabulary id for forum navigation.
- _forum_new in modules/forum/forum.module
- Finds the first unread node for a given forum.
- _forum_topics_unread in modules/forum/forum.module
- Calculate the number of nodes the user has not yet read and are newer than NODE_NEW_LIMIT.
- _update_178_url_formats in modules/system/system.install
Код
<?php
function db_result($result, $row = 0) {
if ($result && mysql_num_rows($result) > $row) {
return mysql_result($result, $row);
}
return FALSE;
}
?>