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MDEV-10515: Correct stat_tables_par test results

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Test results are distorted by a small rounding error
during an intermediate stage of calculating the result.
By using the SQL ROUND function we stablise tests.

Signed-off-by: Daniel Black <daniel.black@au.ibm.com>
This commit is contained in:
Daniel Black
2017-02-16 16:42:25 +11:00
parent 18ef02b04d
commit e2d6760d8a
3 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
mysql-test/r/stat_tables_par.result
View File

@@ -46,19 +46,19 @@ dbt3_s001 supplier PRIMARY 1 1.0000
dbt3_s001 supplier i_s_nationkey 1 1.1111
flush table lineitem;
set use_stat_tables='never';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
and l_discount between 0.06 - 0.01 and 0.06 + 0.01
and l_quantity < 24;
revenue
77949.91860000002
77949.9186
set debug_sync='statistics_mem_alloc_start1 WAIT_FOR second_thread_started_too';
set debug_sync='statistics_mem_alloc_start2 SIGNAL first_thread_working';
use dbt3_s001;
set use_stat_tables='preferably';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
@@ -68,16 +68,16 @@ set debug_sync='statistics_mem_alloc_start1 SIGNAL second_thread_started_too';
set debug_sync='statistics_mem_alloc_start2 WAIT_FOR first_thread_working';
use dbt3_s001;
set use_stat_tables='preferably';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
and l_discount between 0.06 - 0.01 and 0.06 + 0.01
and l_quantity < 24;
revenue
77949.91860000002
77949.9186
revenue
77949.91860000002
77949.9186
set use_stat_tables='preferably';
set debug_sync='RESET';
select * from mysql.index_stats where table_name='lineitem' order by index_name;

12
mysql-test/r/stat_tables_par_innodb.result
View File

@@ -49,19 +49,19 @@ dbt3_s001 supplier PRIMARY 1 1.0000
dbt3_s001 supplier i_s_nationkey 1 1.1111
flush table lineitem;
set use_stat_tables='never';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
and l_discount between 0.06 - 0.01 and 0.06 + 0.01
and l_quantity < 24;
revenue
77949.91860000002
77949.9186
set debug_sync='statistics_mem_alloc_start1 WAIT_FOR second_thread_started_too';
set debug_sync='statistics_mem_alloc_start2 SIGNAL first_thread_working';
use dbt3_s001;
set use_stat_tables='preferably';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
@@ -71,16 +71,16 @@ set debug_sync='statistics_mem_alloc_start1 SIGNAL second_thread_started_too';
set debug_sync='statistics_mem_alloc_start2 WAIT_FOR first_thread_working';
use dbt3_s001;
set use_stat_tables='preferably';
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year
and l_discount between 0.06 - 0.01 and 0.06 + 0.01
and l_quantity < 24;
revenue
77949.91860000002
77949.9186
revenue
77949.91860000002
77949.9186
set use_stat_tables='preferably';
set debug_sync='RESET';
select * from mysql.index_stats where table_name='lineitem' order by index_name;

2
mysql-test/t/stat_tables_par.test
View File

@@ -44,7 +44,7 @@ select * from mysql.index_stats;
#
let $Q6=
select sum(l_extendedprice*l_discount) as revenue
select round(sum(l_extendedprice*l_discount),4) as revenue
from lineitem
where l_shipdate >= date '1994-01-01'
and l_shipdate < date '1994-01-01' + interval '1' year