Documentation Home
MySQL 5.7 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 35.1Mb
PDF (A4) - 35.2Mb
Man Pages (TGZ) - 256.4Kb
Man Pages (Zip) - 361.2Kb
Info (Gzip) - 3.4Mb
Info (Zip) - 3.4Mb
Excerpts from this Manual

MySQL 5.7 Reference Manual  / ...  / MySQL sys Schema  / sys Schema Object Reference  / sys Schema Views  /  The statements_with_sorting and x$statements_with_sorting Views

26.4.3.39 The statements_with_sorting and x$statements_with_sorting Views

These views list normalized statements that have performed sorts. By default, rows are sorted by descending total latency.

Thestatements_with_sorting andx$statements_with_sorting views have these columns:

  • query

    The normalized statement string.

  • db

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

  • exec_count

    The total number of times the statement has executed.

  • total_latency

    The total wait time of timed occurrences of the statement.

  • sort_merge_passes

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

  • avg_sort_merges

    The average number of sort merge passes per occurrence of the statement.

  • sorts_using_scans

    The total number of sorts using table scans by occurrences of the statement.

  • sort_using_range

    The total number of sorts using range accesses by occurrences of the statement.

  • rows_sorted

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

  • avg_rows_sorted

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

  • first_seen

    The time at which the statement was first seen.

  • last_seen

    The time at which the statement was most recently seen.

  • digest

    The statement digest.