30.4.3.35 The statement_analysis and x$statement_analysis Views

These views list normalized statements with aggregated statistics. The content mimics the MySQL Enterprise Monitor Query Analysis view. By default, rows are sorted by descending total latency.

The statement_analysis and x$statement_analysis views have these columns:

• query

  The normalized statement string.

• db

  The default database for the statement, or NULL if there is none.

• full_scan

  The total number of full table scans performed by occurrences of the statement.

• exec_count

  The total number of times the statement has executed.

• err_count

  The total number of errors produced by occurrences of the statement.

• warn_count

  The total number of warnings produced by occurrences of the statement.

• total_latency

  The total wait time of timed occurrences of the statement.

• max_latency

  The maximum single wait time of timed occurrences of the statement.

• avg_latency

  The average wait time per timed occurrence of the statement.

• lock_latency

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

• cpu_latency

  The time spent on CPU for the current thread.

• rows_sent

  The total number of rows returned by occurrences of the statement.

• rows_sent_avg

  The average number of rows returned per occurrence of the statement.

• rows_examined

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

• rows_examined_avg

  The average number of rows read from storage engines per occurrence of the statement.

• rows_affected

  The total number of rows affected by occurrences of the statement.

• rows_affected_avg

  The average number of rows affected per occurrence of the statement.

• tmp_tables

  The total number of internal in-memory temporary tables created by occurrences of the statement.

• tmp_disk_tables

  The total number of internal on-disk temporary tables created by occurrences of the statement.

• rows_sorted

  The total number of rows sorted by occurrences of the statement.

• sort_merge_passes

  The total number of sort merge passes by occurrences of the statement.

• max_controlled_memory

  The maximum amount of controlled memory (bytes) used by the statement.

• max_total_memory

  The maximum amount of memory (bytes) used by the statement.

• digest

  The statement digest.

• first_seen

  The time at which the statement was first seen.

• last_seen

  The time at which the statement was most recently seen.