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Diffstat (limited to 'mysql-test/main/selectivity_notembedded.result')
| -rw-r--r-- | mysql-test/main/selectivity_notembedded.result | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/mysql-test/main/selectivity_notembedded.result b/mysql-test/main/selectivity_notembedded.result new file mode 100644 index 00000000000..7388c17e991 --- /dev/null +++ b/mysql-test/main/selectivity_notembedded.result @@ -0,0 +1,95 @@ +drop table if exists t0,t1,t2,t3; +select @@global.use_stat_tables; +@@global.use_stat_tables +COMPLEMENTARY +select @@session.use_stat_tables; +@@session.use_stat_tables +COMPLEMENTARY +set @save_use_stat_tables=@@use_stat_tables; +set use_stat_tables='preferably'; +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set @save_histogram_size=@@histogram_size; +set @save_histogram_type=@@histogram_type; +set join_cache_level=2; +set @@global.histogram_size=0,@@local.histogram_size=0; +set histogram_type='single_prec_hb'; +set optimizer_use_condition_selectivity=3; +# +# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram +# +create table t0(a int); +insert into t0 select 1 from seq_1_to_78; +create table t1(a int); +insert into t1 select 1 from seq_1_to_26; +create table t10 (a int); +insert into t10 select 0 from t0, seq_1_to_4; +insert into t10 select 8693 from t1; +insert into t10 select 8694 from t1; +insert into t10 select 8695 from t1; +insert into t10 select 34783 from t1; +insert into t10 select 34784 from t1; +insert into t10 select 34785 from t1; +insert into t10 select 34785 from t0, seq_1_to_8; +insert into t10 select 65214 from t1; +insert into t10 select 65215 from t1; +insert into t10 select 65216 from t1; +insert into t10 select 65216 from t0, seq_1_to_52; +insert into t10 select 65217 from t1; +insert into t10 select 65218 from t1; +insert into t10 select 65219 from t1; +insert into t10 select 65219 from t0; +insert into t10 select 73913 from t1; +insert into t10 select 73914 from t1; +insert into t10 select 73915 from t1; +insert into t10 select 73915 from t0, seq_1_to_40; +insert into t10 select 78257 from t1; +insert into t10 select 78258 from t1; +insert into t10 select 78259 from t1; +insert into t10 select 91300 from t1; +insert into t10 select 91301 from t1; +insert into t10 select 91302 from t1; +insert into t10 select 91302 from t0, seq_1_to_6; +insert into t10 select 91303 from t1; +insert into t10 select 91304 from t1; +insert into t10 select 91305 from t1; +insert into t10 select 91305 from t0, seq_1_to_8; +insert into t10 select 99998 from t1; +insert into t10 select 99999 from t1; +insert into t10 select 100000 from t1; +set use_stat_tables=preferably; +analyze table t10 persistent for all; +Table Op Msg_type Msg_text +test.t10 analyze status Engine-independent statistics collected +test.t10 analyze status OK +flush tables; +set @tmp=@@optimizer_trace; +set optimizer_trace=1; +explain select * from t10 where a in (91303); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where +# Must have selectivity_from_histogram <= 1.0: +select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) as sel +from information_schema.optimizer_trace; +sel +[ + [ + { + "column_name": "a", + "ranges": + ["91303 <= a <= 91303"], + "selectivity_from_histogram": 0.0357 + } + ] +] +set optimizer_trace=@tmp; +drop table t0,t1,t10; +set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set histogram_size=@save_histogram_size; +set use_stat_tables= @save_use_stat_tables; +# +# End of 10.4 tests +# +# +# Clean up +# +set @@global.histogram_size=@save_histogram_size; |