cisco.sql

来自「derby database source code.good for you.」· SQL 代码 · 共 113 行

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-- Test multi user lock interaction of ddl. 
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autocommit off;

connect 'wombat' as create1;
connect 'wombat' as create2;

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-- Test 0: create1:serializable, create2:serializable
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-- set up
set connection create1;
autocommit off;
drop table create1;
drop table data;
create table data (keycol int, data char(250));
create unique index d1 on data (keycol);
insert into data values (0, '0');
insert into data values (10, '100');
insert into data values (20, '200');
insert into data values (30, '300');
insert into data values (40, '400');
insert into data values (50, '100');
insert into data values (60, '200');
insert into data values (70, '300');
insert into data values (80, '400');

set isolation RR;
commit;
set connection create2;
autocommit off;
drop table create2;
set current isolation = serializable;
commit;

run resource 'cisco.subsql';

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-- Test 1: create1:serializable, create2:repeatable read
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-- set up
set connection create1;
autocommit off;
drop table create1;
drop table data;
create table data (keycol int, data char(250));
create unique index d1 on data (keycol);
insert into data values (0, '0');
insert into data values (10, '100');
insert into data values (20, '200');
insert into data values (30, '300');
insert into data values (40, '400');
insert into data values (50, '100');
insert into data values (60, '200');
insert into data values (70, '300');
insert into data values (80, '400');

set isolation to repeatable READ;
commit;
set connection create2;
autocommit off;
drop table create2;
set isolation RS;
commit;

run resource 'cisco.subsql';

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-- Test 1: create1:repeatable read, create2:serializable
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-- set up
set connection create1;
autocommit off;
drop table create1;
drop table data;
create table data (keycol int, data char(250));
create unique index d1 on data (keycol);
insert into data values (0, '0');
insert into data values (10, '100');
insert into data values (20, '200');
insert into data values (30, '300');
insert into data values (40, '400');
insert into data values (50, '100');
insert into data values (60, '200');
insert into data values (70, '300');
insert into data values (80, '400');

set isolation to rs;
commit;
set connection create2;
autocommit off;
drop table create2;
set isolation serializable;
commit;

run resource 'cisco.subsql';


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-- cleanup
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set connection create1;
disconnect;
set connection create2;
disconnect;


exit;