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Changed the names of the system tables for statistical data:

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table_stat  -> table_stats
  column_stat -> column_stats
  index_stat  -> index_stats
to be in line with the names of innodb statistical tables 
from mysql-5.6: innodb_table_stats and innodb_index_stats.
This commit is contained in:
Igor Babaev
2012-12-05 00:31:05 -08:00
parent f8bfb65b13
commit b110132516
38 changed files with 621 additions and 620 deletions
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22
mysql-test/r/stat_tables_innodb.result
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@@ -14,7 +14,7 @@ CREATE DATABASE dbt3_s001;
use dbt3_s001;
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='extended_keys=off';
select * from mysql.table_stat;
select * from mysql.table_stats;
db_name table_name cardinality
dbt3_s001 customer 150
dbt3_s001 lineitem 6005
@@ -24,7 +24,7 @@ dbt3_s001 part 200
dbt3_s001 partsupp 700
dbt3_s001 region 5
dbt3_s001 supplier 10
select * from mysql.index_stat;
select * from mysql.index_stats;
db_name table_name index_name prefix_arity avg_frequency
dbt3_s001 customer PRIMARY 1 1.0000
dbt3_s001 customer i_c_nationkey 1 6.0000
@@ -86,8 +86,8 @@ n_name revenue
PERU 321915.8715
ARGENTINA 69817.1451
set optimizer_switch=@save_optimizer_switch;
delete from mysql.index_stat;
select * from mysql.table_stat;
delete from mysql.index_stats;
select * from mysql.table_stats;
db_name table_name cardinality
dbt3_s001 customer 150
dbt3_s001 lineitem 6005
@@ -97,7 +97,7 @@ dbt3_s001 part 200
dbt3_s001 partsupp 700
dbt3_s001 region 5
dbt3_s001 supplier 10
select * from mysql.index_stat;
select * from mysql.index_stats;
db_name table_name index_name prefix_arity avg_frequency
dbt3_s001 customer PRIMARY 1 1.0000
dbt3_s001 customer i_c_nationkey 1 6.0000
@@ -149,26 +149,26 @@ dbt3_s001 region PRIMARY 1 1.0000
dbt3_s001 supplier PRIMARY 1 1.0000
dbt3_s001 supplier i_s_nationkey 1 1.1111
dbt3_s001 supplier i_s_nationkey 2 1.0000
select * from mysql.table_stat where table_name='orders';
select * from mysql.table_stats where table_name='orders';
db_name table_name cardinality
dbt3_s001 orders 1500
select * from mysql.index_stat where table_name='orders';
select * from mysql.index_stats where table_name='orders';
db_name table_name index_name prefix_arity avg_frequency
dbt3_s001 orders PRIMARY 1 1.0000
dbt3_s001 orders i_o_orderdate 1 1.3321
dbt3_s001 orders i_o_orderdate 2 1.0000
dbt3_s001 orders i_o_custkey 1 15.0000
dbt3_s001 orders i_o_custkey 2 1.0000
select (select cardinality from mysql.table_stat where table_name='orders') /
(select avg_frequency from mysql.index_stat
select (select cardinality from mysql.table_stats where table_name='orders') /
(select avg_frequency from mysql.index_stats
where index_name='i_o_orderdate' and prefix_arity=1) as n_distinct;
n_distinct
1126.0416
select count(distinct o_orderdate) from orders;
count(distinct o_orderdate)
1126
select (select cardinality from mysql.table_stat where table_name='orders') /
(select avg_frequency from mysql.index_stat
select (select cardinality from mysql.table_stats where table_name='orders') /
(select avg_frequency from mysql.index_stats
where index_name='i_o_custkey' and prefix_arity=1) as n_distinct;
n_distinct
100.0000