mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
Fix of selectivity test to behave correctly with embedded and view protocols.
This commit is contained in:
Oleksandr Byelkin
@ -1937,75 +1937,6 @@ Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2
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DROP TABLE t1;
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DROP TABLE t1;
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# End of 10.2 tests
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# End of 10.2 tests
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#
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# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram
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#
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create table t0(a int);
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insert into t0 select 1 from seq_1_to_78;
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create table t1(a int);
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insert into t1 select 1 from seq_1_to_26;
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create table t10 (a int);
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insert into t10 select 0 from t0, seq_1_to_4;
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insert into t10 select 8693 from t1;
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insert into t10 select 8694 from t1;
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insert into t10 select 8695 from t1;
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insert into t10 select 34783 from t1;
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insert into t10 select 34784 from t1;
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insert into t10 select 34785 from t1;
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insert into t10 select 34785 from t0, seq_1_to_8;
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insert into t10 select 65214 from t1;
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insert into t10 select 65215 from t1;
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insert into t10 select 65216 from t1;
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insert into t10 select 65216 from t0, seq_1_to_52;
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insert into t10 select 65217 from t1;
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insert into t10 select 65218 from t1;
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insert into t10 select 65219 from t1;
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insert into t10 select 65219 from t0;
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insert into t10 select 73913 from t1;
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insert into t10 select 73914 from t1;
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insert into t10 select 73915 from t1;
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insert into t10 select 73915 from t0, seq_1_to_40;
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insert into t10 select 78257 from t1;
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insert into t10 select 78258 from t1;
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insert into t10 select 78259 from t1;
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insert into t10 select 91300 from t1;
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insert into t10 select 91301 from t1;
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insert into t10 select 91302 from t1;
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insert into t10 select 91302 from t0, seq_1_to_6;
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insert into t10 select 91303 from t1;
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insert into t10 select 91304 from t1;
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insert into t10 select 91305 from t1;
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insert into t10 select 91305 from t0, seq_1_to_8;
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insert into t10 select 99998 from t1;
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insert into t10 select 99999 from t1;
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insert into t10 select 100000 from t1;
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set use_stat_tables=preferably;
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analyze table t10 persistent for all;
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Table Op Msg_type Msg_text
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test.t10 analyze status Engine-independent statistics collected
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test.t10 analyze status OK
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flush tables;
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set @tmp=@@optimizer_trace;
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set optimizer_trace=1;
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explain select * from t10 where a in (91303);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where
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# Must have selectivity_from_histogram <= 1.0:
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select json_detailed(json_extract(trace, '$**.selectivity_for_columns'))
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from information_schema.optimizer_trace;
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json_detailed(json_extract(trace, '$**.selectivity_for_columns'))
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[
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[
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{
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"column_name": "a",
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"ranges":
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["91303 <= a <= 91303"],
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"selectivity_from_histogram": 0.0357
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}
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]
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]
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set optimizer_trace=@tmp;
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drop table t0,t1,t10;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set histogram_size=@save_histogram_size;
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set histogram_size=@save_histogram_size;
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set use_stat_tables= @save_use_stat_tables;
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set use_stat_tables= @save_use_stat_tables;
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@ -1324,90 +1324,12 @@ DROP TABLE t1;
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--echo # End of 10.2 tests
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--echo # End of 10.2 tests
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--echo #
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--echo # MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram
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--echo #
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create table t0(a int); # This holds how many rows we hold in a bucket.
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insert into t0 select 1 from seq_1_to_78;
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create table t1(a int); # one-third of a bucket
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insert into t1 select 1 from seq_1_to_26;
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create table t10 (a int);
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insert into t10 select 0 from t0, seq_1_to_4;
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insert into t10 select 8693 from t1;
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insert into t10 select 8694 from t1;
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insert into t10 select 8695 from t1;
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insert into t10 select 34783 from t1;
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insert into t10 select 34784 from t1;
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insert into t10 select 34785 from t1;
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insert into t10 select 34785 from t0, seq_1_to_8;
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insert into t10 select 65214 from t1;
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insert into t10 select 65215 from t1;
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insert into t10 select 65216 from t1;
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insert into t10 select 65216 from t0, seq_1_to_52;
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insert into t10 select 65217 from t1;
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insert into t10 select 65218 from t1;
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insert into t10 select 65219 from t1;
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insert into t10 select 65219 from t0;
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insert into t10 select 73913 from t1;
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insert into t10 select 73914 from t1;
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insert into t10 select 73915 from t1;
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insert into t10 select 73915 from t0, seq_1_to_40;
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insert into t10 select 78257 from t1;
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insert into t10 select 78258 from t1;
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insert into t10 select 78259 from t1;
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||||||
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insert into t10 select 91300 from t1;
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insert into t10 select 91301 from t1;
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insert into t10 select 91302 from t1;
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insert into t10 select 91302 from t0, seq_1_to_6;
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insert into t10 select 91303 from t1; # Only 1/3rd of bucket matches the search tuple
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insert into t10 select 91304 from t1;
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insert into t10 select 91305 from t1;
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insert into t10 select 91305 from t0, seq_1_to_8;
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insert into t10 select 99998 from t1;
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insert into t10 select 99999 from t1;
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insert into t10 select 100000 from t1;
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set use_stat_tables=preferably;
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analyze table t10 persistent for all;
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flush tables;
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set @tmp=@@optimizer_trace;
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set optimizer_trace=1;
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explain select * from t10 where a in (91303);
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--echo # Must have selectivity_from_histogram <= 1.0:
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select json_detailed(json_extract(trace, '$**.selectivity_for_columns'))
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from information_schema.optimizer_trace;
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set optimizer_trace=@tmp;
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drop table t0,t1,t10;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set histogram_size=@save_histogram_size;
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set use_stat_tables= @save_use_stat_tables;
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#
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#
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# Clean up
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# Clean up
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#
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#
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set histogram_size=@save_histogram_size;
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set use_stat_tables= @save_use_stat_tables;
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--source include/restore_charset.inc
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--source include/restore_charset.inc
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set @@global.histogram_size=@save_histogram_size;
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set @@global.histogram_size=@save_histogram_size;
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@ -1947,73 +1947,6 @@ Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2
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DROP TABLE t1;
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DROP TABLE t1;
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# End of 10.2 tests
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# End of 10.2 tests
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#
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# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram
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|
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#
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create table t0(a int);
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insert into t0 select 1 from seq_1_to_78;
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create table t1(a int);
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insert into t1 select 1 from seq_1_to_26;
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create table t10 (a int);
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insert into t10 select 0 from t0, seq_1_to_4;
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||||||
insert into t10 select 8693 from t1;
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|
||||||
insert into t10 select 8694 from t1;
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|
||||||
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;
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|
||||||
insert into t10 select 65214 from t1;
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||||||
insert into t10 select 65215 from t1;
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insert into t10 select 65216 from t1;
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|
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insert into t10 select 65216 from t0, seq_1_to_52;
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insert into t10 select 65217 from t1;
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insert into t10 select 65218 from t1;
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||||||
insert into t10 select 65219 from t1;
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|
||||||
insert into t10 select 65219 from t0;
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insert into t10 select 73913 from t1;
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|
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insert into t10 select 73914 from t1;
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|
||||||
insert into t10 select 73915 from t1;
|
|
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insert into t10 select 73915 from t0, seq_1_to_40;
|
|
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insert into t10 select 78257 from t1;
|
|
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insert into t10 select 78258 from t1;
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|
||||||
insert into t10 select 78259 from t1;
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|
||||||
insert into t10 select 91300 from t1;
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|
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insert into t10 select 91301 from t1;
|
|
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insert into t10 select 91302 from t1;
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insert into t10 select 91302 from t0, seq_1_to_6;
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insert into t10 select 91303 from t1;
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insert into t10 select 91304 from t1;
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insert into t10 select 91305 from t1;
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|
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insert into t10 select 91305 from t0, seq_1_to_8;
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|
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insert into t10 select 99998 from t1;
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|
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insert into t10 select 99999 from t1;
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insert into t10 select 100000 from t1;
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set use_stat_tables=preferably;
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analyze table t10 persistent for all;
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Table Op Msg_type Msg_text
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test.t10 analyze status Engine-independent statistics collected
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test.t10 analyze status OK
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flush tables;
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set statement optimizer_trace=1 for
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explain select * from t10 where a in (91303);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where
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# Must have selectivity_from_histogram <= 1.0:
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select json_detailed(json_extract(trace, '$**.selectivity_for_columns'))
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from information_schema.optimizer_trace;
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json_detailed(json_extract(trace, '$**.selectivity_for_columns'))
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[
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[
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{
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"column_name": "a",
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"ranges":
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["91303 <= a <= 91303"],
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"selectivity_from_histogram": 0.035714283
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}
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]
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]
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drop table t0,t1,t10;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set histogram_size=@save_histogram_size;
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set histogram_size=@save_histogram_size;
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set use_stat_tables= @save_use_stat_tables;
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set use_stat_tables= @save_use_stat_tables;
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100
mysql-test/main/selectivity_innodb_notembedded.result
Normal file
100
mysql-test/main/selectivity_innodb_notembedded.result
Normal file
@ -0,0 +1,100 @@
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SET SESSION STORAGE_ENGINE='InnoDB';
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set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch;
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set optimizer_switch='extended_keys=on';
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drop table if exists t0,t1,t2,t3;
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select @@global.use_stat_tables;
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@@global.use_stat_tables
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COMPLEMENTARY
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select @@session.use_stat_tables;
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@@session.use_stat_tables
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COMPLEMENTARY
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set @save_use_stat_tables=@@use_stat_tables;
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set use_stat_tables='preferably';
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set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity;
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set @save_histogram_size=@@histogram_size;
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set @save_histogram_type=@@histogram_type;
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set join_cache_level=2;
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set @@global.histogram_size=0,@@local.histogram_size=0;
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set histogram_type='single_prec_hb';
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set optimizer_use_condition_selectivity=3;
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#
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# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram
|
||||||
|
#
|
||||||
|
create table t0(a int);
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|
insert into t0 select 1 from seq_1_to_78;
|
||||||
|
create table t1(a int);
|
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|
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;
|
||||||
|
set optimizer_switch=@save_optimizer_switch_for_selectivity_test;
|
||||||
|
SET SESSION STORAGE_ENGINE=DEFAULT;
|
||||||
16
mysql-test/main/selectivity_innodb_notembedded.test
Normal file
16
mysql-test/main/selectivity_innodb_notembedded.test
Normal file
@ -0,0 +1,16 @@
|
|||||||
|
--source include/have_innodb.inc
|
||||||
|
# This test is slow on buildbot.
|
||||||
|
--source include/big_test.inc
|
||||||
|
--source include/default_optimizer_switch.inc
|
||||||
|
--source include/not_embedded.inc
|
||||||
|
|
||||||
|
SET SESSION STORAGE_ENGINE='InnoDB';
|
||||||
|
|
||||||
|
set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch;
|
||||||
|
set optimizer_switch='extended_keys=on';
|
||||||
|
|
||||||
|
--source selectivity_notembedded.test
|
||||||
|
|
||||||
|
set optimizer_switch=@save_optimizer_switch_for_selectivity_test;
|
||||||
|
|
||||||
|
SET SESSION STORAGE_ENGINE=DEFAULT;
|
||||||
95
mysql-test/main/selectivity_notembedded.result
Normal file
95
mysql-test/main/selectivity_notembedded.result
Normal file
@ -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;
|
||||||
121
mysql-test/main/selectivity_notembedded.test
Normal file
121
mysql-test/main/selectivity_notembedded.test
Normal file
@ -0,0 +1,121 @@
|
|||||||
|
--source include/no_valgrind_without_big.inc
|
||||||
|
--source include/have_stat_tables.inc
|
||||||
|
--source include/have_sequence.inc
|
||||||
|
--source include/default_charset.inc
|
||||||
|
--source include/not_embedded.inc
|
||||||
|
|
||||||
|
--disable_warnings
|
||||||
|
drop table if exists t0,t1,t2,t3;
|
||||||
|
--enable_warnings
|
||||||
|
|
||||||
|
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 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
|
||||||
|
|
||||||
|
set optimizer_use_condition_selectivity=3;
|
||||||
|
|
||||||
|
--echo #
|
||||||
|
--echo # MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram
|
||||||
|
--echo #
|
||||||
|
create table t0(a int); # This holds how many rows we hold in a bucket.
|
||||||
|
insert into t0 select 1 from seq_1_to_78;
|
||||||
|
|
||||||
|
create table t1(a int); # one-third of a bucket
|
||||||
|
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; # Only 1/3rd of bucket matches the search tuple
|
||||||
|
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;
|
||||||
|
flush tables;
|
||||||
|
|
||||||
|
set @tmp=@@optimizer_trace;
|
||||||
|
set optimizer_trace=1;
|
||||||
|
explain select * from t10 where a in (91303);
|
||||||
|
|
||||||
|
--echo # Must have selectivity_from_histogram <= 1.0:
|
||||||
|
select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) as sel
|
||||||
|
from information_schema.optimizer_trace;
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
|
||||||
|
--echo #
|
||||||
|
--echo # End of 10.4 tests
|
||||||
|
--echo #
|
||||||
|
|
||||||
|
--echo #
|
||||||
|
--echo # Clean up
|
||||||
|
--echo #
|
||||||
|
--source include/restore_charset.inc
|
||||||
|
set @@global.histogram_size=@save_histogram_size;
|
||||||
Reference in New Issue
Block a user