Man page - memcached_fetch(3)
Packages contas this manual
- memcached_server_list_append(3)
- libmemcached(3)
- memcached_version(3)
- memcached_delete_by_key(3)
- memcached_get(3)
- memcached_replace(3)
- memcached_stats(3)
- memcached_pool_create(3)
- memcached_callback_get(3)
- memcached_fetch_execute(3)
- memcached_touch(3)
- memcached_result_length(3)
- memcached_create(3)
- memcached_decrement(3)
- memcached_lib_version(3)
- memcached_servers(3)
- memcached_dump(3)
- memcached_behavior(3)
- memcached_last_error_errno(3)
- memcached_destroy_sasl_auth_data(3)
- memcached_set_sasl_callbacks(3)
- memcached_delete(3)
- memcached_quit(3)
- memcached_flush_buffers(3)
- memcached_fetch_result(3)
- memcached_replace_by_key(3)
- memcached_exist(3)
- memcached_server_push(3)
- memcached_prepend_by_key(3)
- memcached_mget(3)
- memcached_server_cursor(3)
- libmemcachedutil(3)
- memcached_clone(3)
- memcached_sasl(3)
- memcached_result_value(3)
- memcached_result_create(3)
- memcached_stat_get_keys(3)
- memcached_mget_execute_by_key(3)
- memcached_result_flags(3)
- memcached_decrement_with_initial(3)
- memcached_add(3)
- memcached_set_by_key(3)
- memcached_callback_set(3)
- memcached_touch_by_key(3)
- memcached_servers_parse(3)
- memcached_set_memory_allocators(3)
- memcached_stat_servername(3)
- memcached_last_error_message(3)
- memcached(3)
- memcached_behavior_set(3)
- memcached_server_list_free(3)
- memcached_server_list_count(3)
- memcached_server_add(3)
- memcached_pool_st(3)
- memcached_get_by_key(3)
- memcached_behavior_get(3)
- memcached_callback(3)
- memcached_set_user_data(3)
- memcached_last_error(3)
- memcached_server_count(3)
- memcached_server_list(3)
- memcached_set(3)
- memcached_result_st(3)
- libmemcached_check_configuration(3)
- memcached_increment_with_initial(3)
- memcached_cas_by_key(3)
- memcached_get_memory_allocators(3)
- memcached_result_free(3)
- memcached_memory_allocators(3)
- memcached_set_encoding_key(3)
- memcached_flush(3)
- memcached_append_by_key(3)
- memcached_stat(3)
- memcached_prepend(3)
- memcached_cas(3)
- memcached_servers_reset(3)
- memcached_server_st(3)
- memcached_verbosity(3)
- libmemcached_examples(3)
- memcached_stat_execute(3)
- memcached_pool_behavior_set(3)
- memcached_increment(3)
- memcached_pool_destroy(3)
- memcached_fetch(3)
- memcached_get_sasl_callbacks(3)
- memcached_add_by_key(3)
- memcached_mget_by_key(3)
- libmemcached_configuration(3)
- memcached_return_t(3)
- memcached_result_key_value(3)
- memcached_stat_get_value(3)
- memcached_set_memory_allocators_context(3)
- memcached_get_user_data(3)
- memcached_pool_push(3)
- memcached_pool(3)
- memcached_free(3)
- memcached_pool_behavior_get(3)
- memcached_strerror(3)
- memcached_user_data(3)
- memcached_mget_execute(3)
- memcached_result_cas(3)
- memcached_exist_by_key(3)
- memcached_append(3)
- memcached_pool_fetch(3)
- memcached_result_key_length(3)
- memcached_server_add_unix_socket(3)
- memcached_pool_pop(3)
- memcached_pool_release(3)
- memcached_sasl_set_auth_data(3)
- memcached_generate_hash(3)
- memcached_auto(3)
- memcached_analyze(3)
- memcached_generate_hash_value(3)
apt-get install libmemcached-dev
Manual
| MEMCACHED_FETCH(3) | libmemcached-awesome | MEMCACHED_FETCH(3) |
NAME
memcached_fetch - Retrieving data from the server
SYNOPSIS
- #include <libmemcached/memcached.h>
- Compile and link with -lmemcached
- char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, size_t *value_length, uint32_t *flags, memcached_return_t *error)
- Deprecated since version 0.50: Use memcached_fetch_result() instead.
DESCRIPTION
memcached_fetch() is used to fetch an individual value from the server. memcached_mget() must always be called before using this method. You must pass in a key and its length to fetch the object.
You must supply three pointer variables which will give you the state of the returned object:
- A uint32_t pointer to contain whatever flags you stored with the value,
- a size_t pointer which will be filled with size of of the object, and
- a memcached_return_t pointer to hold any error.
The object will be returned upon success and NULL will be returned on failure.
MEMCACHED_END is returned by the error value when all objects that have been found are returned. The final value upon MEMCACHED_END is a NULL pointer.
Values returned by memcached_fetch() must be freed by the caller.
All of the above functions are not tested when the MEMCACHED_BEHAVIOR_USE_UDP has been set. Executing any of these functions with this behavior on will result in MEMCACHED_NOT_SUPPORTED being returned, or for those functions which do not return a memcached_return_t, the error function parameter will be set to MEMCACHED_NOT_SUPPORTED.
RETURN VALUE
memcached_fetch() sets error to to MEMCACHED_END upon successful conclusion.
MEMCACHED_NOTFOUND will be return if no keys at all were found.
MEMCACHED_KEY_TOO_BIG is set to error whenever memcached_fetch() was used and the key was set larger then MEMCACHED_MAX_KEY, which was the largest key allowed for the original memcached ascii server.
SEE ALSO
memcached(1) libmemcached(3) memcached_strerror(3) memcached_fetch_result(3)
| October 29, 2024 | 1.1 |