statements_with_full_table_scans
This page is part of MariaDB's Documentation.
The parent of this page is: Sys Database Tables for MariaDB Enterprise Server
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Overview
DETAILS
SCHEMA
VIEW `statements_with_full_table_scans` AS SELECT
`sys`.`format_statement`(`performance_schema`.`events_statements_summary_by_digest`.`DIGEST_TEXT`) AS `query`,
`performance_schema`.`events_statements_summary_by_digest`.`SCHEMA_NAME` AS `db`,
`performance_schema`.`events_statements_summary_by_digest`.`COUNT_STAR` AS `exec_count`,
format_pico_time(`performance_schema`.`events_statements_summary_by_digest`.`SUM_TIMER_WAIT`) AS `total_latency`,
`performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_INDEX_USED` AS `no_index_used_count`,
`performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_GOOD_INDEX_USED` AS `no_good_index_used_count`,
round(ifnull(`performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_INDEX_USED` / nullif(`performance_schema`.`events_statements_summary_by_digest`.`COUNT_STAR`,0),0) * 100,0) AS `no_index_used_pct`,
`performance_schema`.`events_statements_summary_by_digest`.`SUM_ROWS_SENT` AS `rows_sent`,
`performance_schema`.`events_statements_summary_by_digest`.`SUM_ROWS_EXAMINED` AS `rows_examined`,
round(`performance_schema`.`events_statements_summary_by_digest`.`SUM_ROWS_SENT` / `performance_schema`.`events_statements_summary_by_digest`.`COUNT_STAR`,0) AS `rows_sent_avg`,
round(`performance_schema`.`events_statements_summary_by_digest`.`SUM_ROWS_EXAMINED` / `performance_schema`.`events_statements_summary_by_digest`.`COUNT_STAR`,0) AS `rows_examined_avg`,
`performance_schema`.`events_statements_summary_by_digest`.`FIRST_SEEN` AS `first_seen`,
`performance_schema`.`events_statements_summary_by_digest`.`LAST_SEEN` AS `last_seen`,
`performance_schema`.`events_statements_summary_by_digest`.`DIGEST` AS `digest`
FROM `performance_schema`.`events_statements_summary_by_digest` where (`performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_INDEX_USED` > 0 or `performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_GOOD_INDEX_USED` > 0) and `performance_schema`.`events_statements_summary_by_digest`.`DIGEST_TEXT` not like 'SHOW%' order by round(ifnull(`performance_schema`.`events_statements_summary_by_digest`.`SUM_NO_INDEX_USED` / nullif(`performance_schema`.`events_statements_summary_by_digest`.`COUNT_STAR`,0),0) * 100,0) desc,format_pico_time(`performance_schema`.`events_statements_summary_by_digest`.`SUM_TIMER_WAIT`) desc