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27.4.3.35 The statement_analysis and x$statement_analysis Views

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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.

  • 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.

  • 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.


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Document created the 26/06/2006, last modified the 26/10/2018
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