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ca2cdaad86
The patch lifts the limitation of the current implementation of ALTER TABLE that does not allow to build unique/primary indexes by sort for MyISAM and Aria engines.
65 lines
2.3 KiB
SQL
65 lines
2.3 KiB
SQL
--echo #
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--echo # mdev-539: fast build of unique/primary indexes for MyISAM/Aria
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--echo #
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--disable_warnings
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DROP DATABASE IF EXISTS dbt3_s001;
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--enable_warnings
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CREATE DATABASE dbt3_s001;
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use dbt3_s001;
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--disable_query_log
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--disable_result_log
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--disable_warnings
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--source include/dbt3_s001.inc
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--enable_warnings
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--enable_result_log
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--enable_query_log
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drop index `primary` on lineitem;
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show create table lineitem;
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alter table lineitem add primary key (l_orderkey, l_linenumber);
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show create table lineitem;
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drop index `primary` on lineitem;
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select * from lineitem where l_orderkey=1 and l_linenumber=2;
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insert into lineitem values
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(1,68,9,2,36,34850.16,0.07,0.06,'N','O','1996-04-12','1996-02-28','1996-04-20','TAKE BACK RETURN','MAIL','slyly bold pinto beans detect s');
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select * from lineitem where l_orderkey=1 and l_linenumber=2;
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--error ER_DUP_ENTRY
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alter table lineitem add primary key (l_orderkey, l_linenumber);
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show create table lineitem;
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select * from lineitem where l_orderkey=1 and l_linenumber=2;
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delete from lineitem where l_orderkey=1 and l_linenumber=2 and l_discount=0.07;
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alter table lineitem add primary key (l_orderkey, l_linenumber);
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show create table lineitem;
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select * from lineitem where l_orderkey=1 and l_linenumber=2;
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create unique index i_c_name on customer(c_name);
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show create table customer;
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select * from customer where c_name='Customer#000000003';
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drop index i_c_name on customer;
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insert into customer values
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(303,'Customer#000000003','MG9kdTD2WBHm',1,'11-719-748-3364',7498.12,'AUTOMOBILE','special packages wake. slyly reg');
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select * from customer where c_name='Customer#000000003';
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--error ER_DUP_ENTRY
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alter table customer add unique index i_c_name(c_name);
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show create table customer;
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select * from customer where c_name='Customer#000000003';
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delete from customer where c_custkey=303;
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select * from customer where c_name='Customer#000000003';
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alter table customer add unique index i_c_name(c_name);
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show create table customer;
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select * from customer where c_name='Customer#000000003';
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drop index `primary` on customer;
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show create table customer;
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insert into customer values
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(3,'Customer#000000303','MG9kdTD2WBHm',1,'11-719-748-3364',7498.12,'AUTOMOBILE','special packages wake. slyly reg');
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alter ignore table customer add primary key (c_custkey);
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show create table customer;
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select * from customer where c_custkey=3;
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DROP DATABASE dbt3_s001;
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