Edit report at https://bugs.php.net/bug.php?id=61837&edit=1

 ID:                 61837
 Updated by:         u...@php.net
 Reported by:        jpa...@php.net
 Summary:            Problem collecting stats with mysqlnd
 Status:             Open
 Type:               Bug
 Package:            MySQL related
 Operating System:   Linux
 PHP Version:        5.3.10
 Block user comment: N
 Private report:     N

 New Comment:

Memory statistics are not available on a per connection basis but only 
globally. We need to update the documentation.

rows_fetched_from_client_normal_buffered are also only incremented on a global 
level not on a per connection basis. This should be a bug, leaving it to Andrey 
to decide and fix.


Previous Comments:
------------------------------------------------------------------------
[2012-04-24 14:17:38] jpa...@php.net

Description:
------------
mysqli_get_connection_stats() doesn't seem to work, but 
mysqli_get_client_stats() 
does.

mysqli_get_connection_stats() gives nearly no information at all, big part of 
fields it returns are '0' valued

Test script:
---------------
ini_set('mysqlnd.collect_statistics', 1);
ini_set('mysqlnd.collect_memory_statistics', 1);

$db = mysqli_connect('server', 'user', 'secret', 'mydb');
$result = mysqli_query($db,"SELECT user_id FROM users LIMIT 5");
mysqli_data_seek($result, 5);
$data = mysqli_fetch_row($result);
var_dump(mysqli_get_connection_stats($db));

Expected result:
----------------
I expect the keys "mem_***" to contain non null values

"rows_fetched_from_client_normal_buffered" should be 1 as I fetch one value 
from 
a buffered non prepared dataset

Actual result:
--------------
array(160) {
  ["bytes_sent"]=>
  string(3) "193"
  ["bytes_received"]=>
  string(3) "379"
  ["packets_sent"]=>
  string(1) "4"
  ["packets_received"]=>
  string(2) "12"
  ["protocol_overhead_in"]=>
  string(2) "48"
  ["protocol_overhead_out"]=>
  string(2) "16"
  ["bytes_received_ok_packet"]=>
  string(2) "11"
  ["bytes_received_eof_packet"]=>
  string(1) "9"
  ["bytes_received_rset_header_packet"]=>
  string(1) "5"
  ["bytes_received_rset_field_meta_packet"]=>
  string(3) "202"
  ["bytes_received_rset_row_packet"]=>
  string(2) "66"
  ["bytes_received_prepare_response_packet"]=>
  string(1) "0"
  ["bytes_received_change_user_packet"]=>
  string(1) "0"
  ["packets_sent_command"]=>
  string(1) "1"
  ["packets_received_ok"]=>
  string(1) "1"
  ["packets_received_eof"]=>
  string(1) "1"
  ["packets_received_rset_header"]=>
  string(1) "1"
  ["packets_received_rset_field_meta"]=>
  string(1) "2"
  ["packets_received_rset_row"]=>
  string(1) "6"
  ["packets_received_prepare_response"]=>
  string(1) "0"
  ["packets_received_change_user"]=>
  string(1) "0"
  ["result_set_queries"]=>
  string(1) "1"
  ["non_result_set_queries"]=>
  string(1) "0"
  ["no_index_used"]=>
  string(1) "0"
  ["bad_index_used"]=>
  string(1) "0"
  ["slow_queries"]=>
  string(1) "0"
  ["buffered_sets"]=>
  string(1) "1"
  ["unbuffered_sets"]=>
  string(1) "0"
  ["ps_buffered_sets"]=>
  string(1) "0"
  ["ps_unbuffered_sets"]=>
  string(1) "0"
  ["flushed_normal_sets"]=>
  string(1) "0"
  ["flushed_ps_sets"]=>
  string(1) "0"
  ["ps_prepared_never_executed"]=>
  string(1) "0"
  ["ps_prepared_once_executed"]=>
  string(1) "0"
  ["rows_fetched_from_server_normal"]=>
  string(1) "5"
  ["rows_fetched_from_server_ps"]=>
  string(1) "0"
  ["rows_buffered_from_client_normal"]=>
  string(1) "5"
  ["rows_buffered_from_client_ps"]=>
  string(1) "0"
  ["rows_fetched_from_client_normal_buffered"]=>
  string(1) "0"
  ["rows_fetched_from_client_normal_unbuffered"]=>
  string(1) "0"
  ["rows_fetched_from_client_ps_buffered"]=>
  string(1) "0"
  ["rows_fetched_from_client_ps_unbuffered"]=>
  string(1) "0"
  ["rows_fetched_from_client_ps_cursor"]=>
  string(1) "0"
  ["rows_affected_normal"]=>
  string(1) "0"
  ["rows_affected_ps"]=>
  string(1) "0"
  ["rows_skipped_normal"]=>
  string(1) "5"
  ["rows_skipped_ps"]=>
  string(1) "0"
  ["copy_on_write_saved"]=>
  string(1) "0"
  ["copy_on_write_performed"]=>
  string(1) "0"
  ["command_buffer_too_small"]=>
  string(1) "0"
  ["connect_success"]=>
  string(1) "1"
  ["connect_failure"]=>
  string(1) "0"
  ["connection_reused"]=>
  string(1) "0"
  ["reconnect"]=>
  string(1) "0"
  ["pconnect_success"]=>
  string(1) "0"
  ["active_connections"]=>
  string(1) "1"
  ["active_persistent_connections"]=>
  string(1) "0"
  ["explicit_close"]=>
  string(1) "0"
  ["implicit_close"]=>
  string(1) "0"
  ["disconnect_close"]=>
  string(1) "0"
  ["in_middle_of_command_close"]=>
  string(1) "0"
  ["explicit_free_result"]=>
  string(1) "0"
  ["implicit_free_result"]=>
  string(1) "0"
  ["explicit_stmt_close"]=>
  string(1) "0"
  ["implicit_stmt_close"]=>
  string(1) "0"
  ["mem_emalloc_count"]=>
  string(1) "0"
  ["mem_emalloc_amount"]=>
  string(1) "0"
  ["mem_ecalloc_count"]=>
  string(1) "0"
  ["mem_ecalloc_amount"]=>
  string(1) "0"
  ["mem_erealloc_count"]=>
  string(1) "0"
  ["mem_erealloc_amount"]=>
  string(1) "0"
  ["mem_efree_count"]=>
  string(1) "0"
  ["mem_efree_amount"]=>
  string(1) "0"
  ["mem_malloc_count"]=>
  string(1) "0"
  ["mem_malloc_amount"]=>
  string(1) "0"
  ["mem_calloc_count"]=>
  string(1) "0"
  ["mem_calloc_amount"]=>
  string(1) "0"
  ["mem_realloc_count"]=>
  string(1) "0"
  ["mem_realloc_amount"]=>
  string(1) "0"
  ["mem_free_count"]=>
  string(1) "0"
  ["mem_free_amount"]=>
  string(1) "0"
  ["mem_estrndup_count"]=>
  string(1) "0"
  ["mem_strndup_count"]=>
  string(1) "0"
  ["mem_estndup_count"]=>
  string(1) "0"
  ["mem_strdup_count"]=>
  string(1) "0"
  ["proto_text_fetched_null"]=>
  string(1) "0"
  ["proto_text_fetched_bit"]=>
  string(1) "0"
  ["proto_text_fetched_tinyint"]=>
  string(1) "0"
  ["proto_text_fetched_short"]=>
  string(1) "0"
  ["proto_text_fetched_int24"]=>
  string(1) "0"
  ["proto_text_fetched_int"]=>
  string(1) "0"
  ["proto_text_fetched_bigint"]=>
  string(1) "1"
  ["proto_text_fetched_decimal"]=>
  string(1) "0"
  ["proto_text_fetched_float"]=>
  string(1) "0"
  ["proto_text_fetched_double"]=>
  string(1) "0"
  ["proto_text_fetched_date"]=>
  string(1) "0"
  ["proto_text_fetched_year"]=>
  string(1) "0"
  ["proto_text_fetched_time"]=>
  string(1) "0"
  ["proto_text_fetched_datetime"]=>
  string(1) "0"
  ["proto_text_fetched_timestamp"]=>
  string(1) "0"
  ["proto_text_fetched_string"]=>
  string(1) "0"
  ["proto_text_fetched_blob"]=>
  string(1) "0"
  ["proto_text_fetched_enum"]=>
  string(1) "0"
  ["proto_text_fetched_set"]=>
  string(1) "0"
  ["proto_text_fetched_geometry"]=>
  string(1) "0"
  ["proto_text_fetched_other"]=>
  string(1) "0"
  ["proto_binary_fetched_null"]=>
  string(1) "0"
  ["proto_binary_fetched_bit"]=>
  string(1) "0"
  ["proto_binary_fetched_tinyint"]=>
  string(1) "0"
  ["proto_binary_fetched_short"]=>
  string(1) "0"
  ["proto_binary_fetched_int24"]=>
  string(1) "0"
  ["proto_binary_fetched_int"]=>
  string(1) "0"
  ["proto_binary_fetched_bigint"]=>
  string(1) "0"
  ["proto_binary_fetched_decimal"]=>
  string(1) "0"
  ["proto_binary_fetched_float"]=>
  string(1) "0"
  ["proto_binary_fetched_double"]=>
  string(1) "0"
  ["proto_binary_fetched_date"]=>
  string(1) "0"
  ["proto_binary_fetched_year"]=>
  string(1) "0"
  ["proto_binary_fetched_time"]=>
  string(1) "0"
  ["proto_binary_fetched_datetime"]=>
  string(1) "0"
  ["proto_binary_fetched_timestamp"]=>
  string(1) "0"
  ["proto_binary_fetched_string"]=>
  string(1) "0"
  ["proto_binary_fetched_blob"]=>
  string(1) "0"
  ["proto_binary_fetched_enum"]=>
  string(1) "0"
  ["proto_binary_fetched_set"]=>
  string(1) "0"
  ["proto_binary_fetched_geometry"]=>
  string(1) "0"
  ["proto_binary_fetched_other"]=>
  string(1) "0"
  ["init_command_executed_count"]=>
  string(1) "0"
  ["init_command_failed_count"]=>
  string(1) "0"
  ["com_quit"]=>
  string(1) "0"
  ["com_init_db"]=>
  string(1) "0"
  ["com_query"]=>
  string(1) "1"
  ["com_field_list"]=>
  string(1) "0"
  ["com_create_db"]=>
  string(1) "0"
  ["com_drop_db"]=>
  string(1) "0"
  ["com_refresh"]=>
  string(1) "0"
  ["com_shutdown"]=>
  string(1) "0"
  ["com_statistics"]=>
  string(1) "0"
  ["com_process_info"]=>
  string(1) "0"
  ["com_connect"]=>
  string(1) "0"
  ["com_process_kill"]=>
  string(1) "0"
  ["com_debug"]=>
  string(1) "0"
  ["com_ping"]=>
  string(1) "0"
  ["com_time"]=>
  string(1) "0"
  ["com_delayed_insert"]=>
  string(1) "0"
  ["com_change_user"]=>
  string(1) "0"
  ["com_binlog_dump"]=>
  string(1) "0"
  ["com_table_dump"]=>
  string(1) "0"
  ["com_connect_out"]=>
  string(1) "0"
  ["com_register_slave"]=>
  string(1) "0"
  ["com_stmt_prepare"]=>
  string(1) "0"
  ["com_stmt_execute"]=>
  string(1) "0"
  ["com_stmt_send_long_data"]=>
  string(1) "0"
  ["com_stmt_close"]=>
  string(1) "0"
  ["com_stmt_reset"]=>
  string(1) "0"
  ["com_stmt_set_option"]=>
  string(1) "0"
  ["com_stmt_fetch"]=>
  string(1) "0"
  ["com_deamon"]=>
  string(1) "0"
  ["bytes_received_real_data_normal"]=>
  string(1) "6"
  ["bytes_received_real_data_ps"]=>
  string(1) "0"
}


------------------------------------------------------------------------



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