diff options
Diffstat (limited to 'mysql-test/r/union.result')
| -rw-r--r-- | mysql-test/r/union.result | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result index 6d99cad30f0..4ecac34d9fa 100644 --- a/mysql-test/r/union.result +++ b/mysql-test/r/union.result @@ -1876,6 +1876,40 @@ SELECT(SELECT 1 AS a FROM dual ORDER BY a DESC LIMIT 1) AS dev; dev 1 # +# Bug #17059925 : UNIONS COMPUTES ROWS_EXAMINED INCORRECTLY +# +SET @old_slow_query_log= @@global.slow_query_log; +SET @old_log_output= @@global.log_output; +SET @old_long_query_time= @@long_query_time; +SET GLOBAL log_output= "TABLE"; +SET GLOBAL slow_query_log= ON; +SET SESSION long_query_time= 0; +CREATE TABLE t17059925 (a INT); +CREATE TABLE t2 (b INT); +CREATE TABLE t3 (c INT); +INSERT INTO t17059925 VALUES (1), (2), (3); +INSERT INTO t2 VALUES (4), (5), (6); +INSERT INTO t3 VALUES (7), (8), (9); +TRUNCATE table mysql.slow_log; +SELECT * FROM t17059925 UNION SELECT * FROM t2 UNION SELECT * FROM t3; +a +1 +2 +3 +4 +5 +6 +7 +8 +9 +SELECT sql_text, rows_examined FROM mysql.slow_log WHERE sql_text LIKE '%SELECT%t17059925%'; +sql_text rows_examined +SELECT * FROM t17059925 UNION SELECT * FROM t2 UNION SELECT * FROM t3 18 +DROP TABLE t17059925, t2, t3; +SET @@long_query_time= @old_long_query_time; +SET @@global.log_output= @old_log_output; +SET @@global.slow_query_log= @old_slow_query_log; +# # lp:1010729: Unexpected syntax error from UNION # (bug #54382) with single-table join nest # |