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MDEV-19071 Wrong results when using STDDEV_SAMP() and view

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Sergei Golubchik
2022-12-06 15:48:13 +01:00
parent 6710fe4b42
commit f8adc47b69
6 changed files with 29 additions and 4 deletions
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14
mysql-test/main/func_group.result
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@ -2552,5 +2552,19 @@ DROP TABLE t1;
#
SET STATEMENT sql_mode=ONLY_FULL_GROUP_BY FOR EXECUTE IMMEDIATE 'ALTER TABLE mysql.time_zone_transition ORDER BY Time_zone_id, Transition_time';
#
# MDEV-19071 Wrong results when using STDDEV_SAMP() and view
#
create table t1(i int);
insert into t1 values (1),(2),(3),(4),(5);
create view v1 as select stddev_samp(i),stddev_pop(i),stddev(i),std(i) from t1;
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select stddev_samp(`t1`.`i`) AS `stddev_samp(i)`,std(`t1`.`i`) AS `stddev_pop(i)`,std(`t1`.`i`) AS `stddev(i)`,std(`t1`.`i`) AS `std(i)` from `t1` latin1 latin1_swedish_ci
select * from v1;
stddev_samp(i) stddev_pop(i) stddev(i) std(i)
1.5811 1.4142 1.4142 1.4142
drop view v1;
drop table t1;
#
# End of 10.3 tests
#