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Merge branch '10.3' into 10.4

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This commit is contained in:
Sergei Golubchik
2019-09-06 11:53:10 +02:00
parent 18af13b88b 2842c36985
commit 244f0e6dd8
750 changed files with 13360 additions and 14832 deletions
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14
mysql-test/main/selectivity.test
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@ -1,5 +1,6 @@
--source include/have_stat_tables.inc
--source include/have_sequence.inc
--source include/default_charset.inc
--disable_warnings
drop table if exists t0,t1,t2,t3;
@ -9,13 +10,14 @@ select @@global.use_stat_tables;
select @@session.use_stat_tables;
set @save_use_stat_tables=@@use_stat_tables;
set use_stat_tables='preferably';
--source include/default_optimizer_switch.inc
set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity;
set @save_histogram_size=@@histogram_size;
set @save_histogram_type=@@histogram_type;
set histogram_size=0;
set join_cache_level=2;
set @@global.histogram_size=0,@@local.histogram_size=0;
set histogram_type='single_prec_hb';
# check that statistics on nulls is used
@ -1108,8 +1110,6 @@ drop function f1;
--echo #
--echo # MDEV-19834 Selectivity of an equality condition discounted twice
--echo #
set @@optimizer_use_condition_selectivity=4;
set @@use_stat_tables='preferably';
create table t1 (a int, b int, key (b), key (a));
insert into t1
select (rand(1)*1000)/10, (rand(1001)*1000)/50 from seq_1_to_1000;
@ -1125,6 +1125,12 @@ explain extended select * from t1 where a in (17,51,5) and b=2;
drop table t1;
set use_stat_tables= @save_use_stat_tables;
set @@histogram_size=@save_histogram_size;
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
--echo # End of 10.1 tests
#
# Clean up
#
--source include/restore_charset.inc
set @@global.histogram_size=@save_histogram_size;