#### 28.4.3.6 The host\_summary\_by\_statement\_type and x$host\_summary\_by\_statement\_type
Views

[]()[]()[]()[]()

 These views summarize informaion about statements executed, grouped by host and statement type. By default, rows are sorted by host and descending total latency.

 The [`host_summary_by_statement_type`](sys-host-summary-by-statement-type.html) and [`x$host_summary_by_statement_type`](sys-host-summary-by-statement-type.html) views have these columns:

* `host`

   The host from which the client connected. Rows for which the `HOST` column in the underlying Performance Schema table is `NULL` are assumed to be for background threads and are reported with a host name of `background`.

* `statement`

   The final component of the statement event name.

* `total`

   The total number of occurrences of the statement event for the host.

* `total_latency`

   The total wait time of timed occurrences of the statement event for the host.

* `max_latency`

   The maximum single wait time of timed occurrences of the statement event for the host.

* `lock_latency`

   The total time waiting for locks by timed occurrences of the statement event for the host.

* `cpu_latency`

   The time spent on CPU for the current thread.

* `rows_sent`

   The total number of rows returned by occurrences of the statement event for the host.

* `rows_examined`

   The total number of rows read from storage engines by occurrences of the statement event for the host.

* `rows_affected`

   The total number of rows affected by occurrences of the statement event for the host.

* `full_scans`

   The total number of full table scans by occurrences of the statement event for the host.

