1 files changed, 26 insertions, 26 deletions
diff --git a/storage/perfschema/table_esms_by_thread_by_event_name.cc b/storage/perfschema/table_esms_by_thread_by_event_name.cc
index 0a7cf46986c..5a06f602e5c 100644
--- a/storage/perfschema/table_esms_by_thread_by_event_name.cc
+++ b/storage/perfschema/table_esms_by_thread_by_event_name.cc
@@ -49,32 +49,32 @@ table_esms_by_thread_by_event_name::m_share=
   sizeof(pos_esms_by_thread_by_event_name),
   &m_table_lock,
   { C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_thread_by_event_name("
-                      "THREAD_ID BIGINT unsigned not null,"
-                      "EVENT_NAME VARCHAR(128) not null,"
-                      "COUNT_STAR BIGINT unsigned not null,"
-                      "SUM_TIMER_WAIT BIGINT unsigned not null,"
-                      "MIN_TIMER_WAIT BIGINT unsigned not null,"
-                      "AVG_TIMER_WAIT BIGINT unsigned not null,"
-                      "MAX_TIMER_WAIT BIGINT unsigned not null,"
-                      "SUM_LOCK_TIME BIGINT unsigned not null,"
-                      "SUM_ERRORS BIGINT unsigned not null,"
-                      "SUM_WARNINGS BIGINT unsigned not null,"
-                      "SUM_ROWS_AFFECTED BIGINT unsigned not null,"
-                      "SUM_ROWS_SENT BIGINT unsigned not null,"
-                      "SUM_ROWS_EXAMINED BIGINT unsigned not null,"
-                      "SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null,"
-                      "SUM_CREATED_TMP_TABLES BIGINT unsigned not null,"
-                      "SUM_SELECT_FULL_JOIN BIGINT unsigned not null,"
-                      "SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null,"
-                      "SUM_SELECT_RANGE BIGINT unsigned not null,"
-                      "SUM_SELECT_RANGE_CHECK BIGINT unsigned not null,"
-                      "SUM_SELECT_SCAN BIGINT unsigned not null,"
-                      "SUM_SORT_MERGE_PASSES BIGINT unsigned not null,"
-                      "SUM_SORT_RANGE BIGINT unsigned not null,"
-                      "SUM_SORT_ROWS BIGINT unsigned not null,"
-                      "SUM_SORT_SCAN BIGINT unsigned not null,"
-                      "SUM_NO_INDEX_USED BIGINT unsigned not null,"
-                      "SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null)") }
+                      "THREAD_ID BIGINT unsigned not null comment 'Thread associated with the event. Together with EVENT_NAME uniquely identifies the row.',"
+                      "EVENT_NAME VARCHAR(128) not null comment 'Event name. Used together with THREAD_ID for grouping events.',"
+                      "COUNT_STAR BIGINT unsigned not null comment 'Number of summarized events',"
+                      "SUM_TIMER_WAIT BIGINT unsigned not null comment 'Total wait time of the summarized events that are timed.',"
+                      "MIN_TIMER_WAIT BIGINT unsigned not null comment 'Minimum wait time of the summarized events that are timed.',"
+                      "AVG_TIMER_WAIT BIGINT unsigned not null comment 'Average wait time of the summarized events that are timed.',"
+                      "MAX_TIMER_WAIT BIGINT unsigned not null comment 'Maximum wait time of the summarized events that are timed.',"
+                      "SUM_LOCK_TIME BIGINT unsigned not null comment 'Sum of the LOCK_TIME column in the events_statements_current table.',"
+                      "SUM_ERRORS BIGINT unsigned not null comment 'Sum of the ERRORS column in the events_statements_current table.',"
+                      "SUM_WARNINGS BIGINT unsigned not null comment 'Sum of the WARNINGS column in the events_statements_current table.',"
+                      "SUM_ROWS_AFFECTED BIGINT unsigned not null comment 'Sum of the ROWS_AFFECTED column in the events_statements_current table.',"
+                      "SUM_ROWS_SENT BIGINT unsigned not null comment 'Sum of the ROWS_SENT column in the events_statements_current table.',"
+                      "SUM_ROWS_EXAMINED BIGINT unsigned not null comment 'Sum of the ROWS_EXAMINED column in the events_statements_current table.',"
+                      "SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_DISK_TABLES column in the events_statements_current table.',"
+                      "SUM_CREATED_TMP_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_TABLES column in the events_statements_current table.',"
+                      "SUM_SELECT_FULL_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_JOIN column in the events_statements_current table.',"
+                      "SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_RANGE_JOIN column in the events_statements_current table.',"
+                      "SUM_SELECT_RANGE BIGINT unsigned not null comment 'Sum of the SELECT_RANGE column in the events_statements_current table.',"
+                      "SUM_SELECT_RANGE_CHECK BIGINT unsigned not null comment 'Sum of the SELECT_RANGE_CHECK column in the events_statements_current table.',"
+                      "SUM_SELECT_SCAN BIGINT unsigned not null comment 'Sum of the SELECT_SCAN column in the events_statements_current table.',"
+                      "SUM_SORT_MERGE_PASSES BIGINT unsigned not null comment 'Sum of the SORT_MERGE_PASSES column in the events_statements_current table.',"
+                      "SUM_SORT_RANGE BIGINT unsigned not null comment 'Sum of the SORT_RANGE column in the events_statements_current table.',"
+                      "SUM_SORT_ROWS BIGINT unsigned not null comment 'Sum of the SORT_ROWS column in the events_statements_current table.',"
+                      "SUM_SORT_SCAN BIGINT unsigned not null comment 'Sum of the SORT_SCAN column in the events_statements_current table.',"
+                      "SUM_NO_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_INDEX_USED column in the events_statements_current table.',"
+                      "SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_GOOD_INDEX_USED column in the events_statements_current table.')") }
 };
 
 PFS_engine_table*