1 files changed, 23 insertions, 23 deletions
diff --git a/storage/perfschema/table_file_summary_by_event_name.cc b/storage/perfschema/table_file_summary_by_event_name.cc
index 459b2bf99a6..ce83453875f 100644
--- a/storage/perfschema/table_file_summary_by_event_name.cc
+++ b/storage/perfschema/table_file_summary_by_event_name.cc
@@ -49,29 +49,29 @@ table_file_summary_by_event_name::m_share=
   sizeof(PFS_simple_index),
   &m_table_lock,
   { C_STRING_WITH_LEN("CREATE TABLE file_summary_by_event_name("
-                      "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,"
-                      "COUNT_READ BIGINT unsigned not null,"
-                      "SUM_TIMER_READ BIGINT unsigned not null,"
-                      "MIN_TIMER_READ BIGINT unsigned not null,"
-                      "AVG_TIMER_READ BIGINT unsigned not null,"
-                      "MAX_TIMER_READ BIGINT unsigned not null,"
-                      "SUM_NUMBER_OF_BYTES_READ BIGINT not null,"
-                      "COUNT_WRITE BIGINT unsigned not null,"
-                      "SUM_TIMER_WRITE BIGINT unsigned not null,"
-                      "MIN_TIMER_WRITE BIGINT unsigned not null,"
-                      "AVG_TIMER_WRITE BIGINT unsigned not null,"
-                      "MAX_TIMER_WRITE BIGINT unsigned not null,"
-                      "SUM_NUMBER_OF_BYTES_WRITE BIGINT not null,"
-                      "COUNT_MISC BIGINT unsigned not null,"
-                      "SUM_TIMER_MISC BIGINT unsigned not null,"
-                      "MIN_TIMER_MISC BIGINT unsigned not null,"
-                      "AVG_TIMER_MISC BIGINT unsigned not null,"
-                      "MAX_TIMER_MISC BIGINT unsigned not null)") }
+                      "EVENT_NAME VARCHAR(128) not null comment 'Event name.',"
+                      "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.',"
+                      "COUNT_READ BIGINT unsigned not null comment 'Number of all read operations, including FGETS, FGETC, FREAD, and READ.',"
+                      "SUM_TIMER_READ BIGINT unsigned not null comment 'Total wait time of all read operations that are timed.',"
+                      "MIN_TIMER_READ BIGINT unsigned not null comment 'Minimum wait time of all read operations that are timed.',"
+                      "AVG_TIMER_READ BIGINT unsigned not null comment 'Average wait time of all read operations that are timed.',"
+                      "MAX_TIMER_READ BIGINT unsigned not null comment 'Maximum wait time of all read operations that are timed.',"
+                      "SUM_NUMBER_OF_BYTES_READ BIGINT not null comment 'Bytes read by read operations.',"
+                      "COUNT_WRITE BIGINT unsigned not null comment 'Number of all write operations, including FPUTS, FPUTC, FPRINTF, VFPRINTF, FWRITE, and PWRITE.',"
+                      "SUM_TIMER_WRITE BIGINT unsigned not null comment 'Total wait time of all write operations that are timed.',"
+                      "MIN_TIMER_WRITE BIGINT unsigned not null comment 'Minimum wait time of all write operations that are timed.',"
+                      "AVG_TIMER_WRITE BIGINT unsigned not null comment 'Average wait time of all write operations that are timed.',"
+                      "MAX_TIMER_WRITE BIGINT unsigned not null comment 'Maximum wait time of all write operations that are timed.',"
+                      "SUM_NUMBER_OF_BYTES_WRITE BIGINT not null comment 'Bytes written by write operations.',"
+                      "COUNT_MISC BIGINT unsigned not null comment 'Number of all miscellaneous operations not counted above, including CREATE, DELETE, OPEN, CLOSE, STREAM_OPEN, STREAM_CLOSE, SEEK, TELL, FLUSH, STAT, FSTAT, CHSIZE, RENAME, and SYNC.',"
+                      "SUM_TIMER_MISC BIGINT unsigned not null comment 'Total wait time of all miscellaneous operations that are timed.',"
+                      "MIN_TIMER_MISC BIGINT unsigned not null comment 'Minimum wait time of all miscellaneous operations that are timed.',"
+                      "AVG_TIMER_MISC BIGINT unsigned not null comment 'Average wait time of all miscellaneous operations that are timed.',"
+                      "MAX_TIMER_MISC BIGINT unsigned not null comment 'Maximum wait time of all miscellaneous operations that are timed.')") }
 };
 
 PFS_engine_table* table_file_summary_by_event_name::create(void)