## Handler_external_lock 

Section 5.1.10, “Server Status Variables” 

## Handler_mrr_init 

Section 5.1.10, “Server Status Variables” 

## Handler_prepare 

Section 5.1.10, “Server Status Variables” 

## Handler_read_first 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_read_key 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_read_last 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_read_next 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” Section 8.3.10, “Use of Index Extensions” 

## Handler_read_prev 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_read_rnd 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_read_rnd_next 

Section 5.1.10, “Server Status Variables” Section 5.4.5, “The Slow Query Log” 

## Handler_rollback 

Section 5.1.10, “Server Status Variables” 

## Handler_savepoint 

Section 5.1.10, “Server Status Variables” 

## Handler_savepoint_rollback 

Section 5.1.10, “Server Status Variables” 

## Handler_update 

Section 5.1.10, “Server Status Variables” 

