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84b9fc25a2
- main.selectivity failed because one test produced different result with embedded (missing feature). Fixed by moving the failing part to selectivity_notembedded. - Disabled maria.encrypt-no-key for embedded as embedded does not support encryption - Moved test from join_cache to join_cache_notasan that tried to alloc() a buffer bigger than available memory.
121 lines
3.3 KiB
Text
121 lines
3.3 KiB
Text
--source include/no_valgrind_without_big.inc
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--source include/have_stat_tables.inc
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--source include/have_sequence.inc
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--source include/default_charset.inc
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--source include/not_embedded.inc
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--disable_warnings
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drop table if exists t0,t1,t2,t3;
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--enable_warnings
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select @@global.use_stat_tables;
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select @@session.use_stat_tables;
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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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--source include/default_optimizer_switch.inc
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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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# check that statistics on nulls is used
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set optimizer_use_condition_selectivity=3;
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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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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')) as sel
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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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--echo #
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--echo # End of 10.4 tests
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--echo #
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--echo #
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--echo # Clean up
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--echo #
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--source include/restore_charset.inc
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set @@global.histogram_size=@save_histogram_size;
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