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27.4.3.35 The statement_analysis and x$statement_analysis Views

Contents

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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References

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