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# Profile
# Rank Query ID Response time Calls R/Call V/M Item
# ==== ================== ============= ===== ====== ===== ========
# 1 0xD4B6A5CD2F2F485C 0.2148 100.0% 1 0.2148 0.00 SELECT t
# Query 1: 0 QPS, 0x concurrency, ID 0xD4B6A5CD2F2F485C at byte 0 ________
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: all events occurred at 2010-12-14 16:12:28
# Attribute pct total min max avg 95% stddev median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count 100 1
# Exec time 100 215ms 215ms 215ms 215ms 215ms 0 215ms
# Lock time 99 162us 162us 162us 162us 162us 0 162us
# Rows sent 100 10 10 10 10 10 0 10
# Rows examine 100 1.96k 1.96k 1.96k 1.96k 1.96k 0 1.96k
# Query size 100 82 82 82 82 82 0 82
# String:
# Databases issue_1196
# Hosts localhost
# Users root
# Query_time distribution
# 1us
# 10us
# 100us
# 1ms
# 10ms
# 100ms ################################################################
# 1s
# 10s+
# Tables
# SHOW TABLE STATUS FROM `issue_1196` LIKE 't'\G
# SHOW CREATE TABLE `issue_1196`.`t`\G
# EXPLAIN /*!50100 PARTITIONS*/
select t.a, count(*) from t join t t2 using(a) group by 1 order by 2 desc limit 10\G
# *************************** 1. row ***************************
# id: 1
# select_type: SIMPLE
# table: t
# partitions: NULL
# type: ALL
# possible_keys: NULL
# key: NULL
# key_len: NULL
# ref: NULL
# rows: 14
# Extra: Using temporary; Using filesort
# *************************** 2. row ***************************
# id: 1
# select_type: SIMPLE
# table: t2
# partitions: NULL
# type: ALL
# possible_keys: NULL
# key: NULL
# key_len: NULL
# ref: NULL
# rows: 14
# Extra: Using where; Using join buffer
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