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70ad689b11
item when drop table indexes or drop table; Problem was that table and index statistics is removed from persistent tables but not from memory cache. Added functions to remove table and index statistics from memory cache.
45 lines
3.1 KiB
Plaintext
45 lines
3.1 KiB
Plaintext
#
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# MDEV-8633: information_schema.index_statistics doesn't delete item when drop table indexes or drop table;
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#
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set global userstat=1;
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create table just_a_test(id int,first_name varchar(10),last_name varchar(10),address varchar(100),phone bigint,email varchar(30), state varchar(30));
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insert into just_a_test values(1,'fa','la','china_a',11111111,'fa_la@163.com','California'),
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(2,'fb','lb','china_b',22222222,'fb_lb@163.com','Arizona'),
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(3,'fc','lc','china_c',33333333,'fc_lc@163.com','California'),
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(4,'fd','ld','china_d',44444444,'fd_ld@163.com','Utah'),
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(5,'fe','le','china_e',55555555,'fe_le@163.com','Arizona');
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alter table just_a_test add primary key (id);
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alter table just_a_test add key IND_just_a_test_first_name_last_name(first_name,last_name);
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alter table just_a_test add key IND_just_a_test_state(state);
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select count(*) from just_a_test where first_name='fc' and last_name='lc';
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select count(*) from just_a_test where state = 'California';
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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alter table just_a_test drop key IND_just_a_test_first_name_last_name;
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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alter table just_a_test drop column state;
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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drop table just_a_test;
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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#
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# Test direct drop table
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#
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create table just_a_test(id int not null primary key,first_name varchar(10),last_name varchar(10),address varchar(100),phone bigint,email varchar(30), state varchar(30),key(first_name,last_name),key(state));
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insert into just_a_test values(1,'fa','la','china_a',11111111,'fa_la@163.com','California'),
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(2,'fb','lb','china_b',22222222,'fb_lb@163.com','Arizona'),
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(3,'fc','lc','china_c',33333333,'fc_lc@163.com','California'),
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(4,'fd','ld','china_d',44444444,'fd_ld@163.com','Utah'),
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(5,'fe','le','china_e',55555555,'fe_le@163.com','Arizona');
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select count(*) from just_a_test where first_name='fc' and last_name='lc';
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select count(*) from just_a_test where state = 'California';
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select count(*) from just_a_test where id between 2 and 4;
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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drop table just_a_test;
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select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';
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select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';
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set global userstat=0;
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