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SQL: delete from VIEW [fixes #291]

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This commit is contained in:
Aleksey Midenkov
2017-10-22 22:20:43 +03:00
parent c9520cb0c4
commit d70bb5e64e
3 changed files with 57 additions and 23 deletions
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53
mysql-test/suite/versioning/r/delete.result
View File

@ -104,14 +104,18 @@ fields, " < '2038-01-19 03:14:07'
and timestamp '2038-01-19 04:14:07'"); and timestamp '2038-01-19 04:14:07'");
prepare stmt from @str; execute stmt; prepare stmt from @str; execute stmt;
delete from t1 where XNo = 0; delete from t1 where XNo = 0;
select "Deleted 0";
execute stmt; execute stmt;
delete from t1 where XNo = 1; delete from t1 where XNo = 1;
select "Deleted 1";
execute stmt; execute stmt;
delete from t1 where XNo > 5; delete from t1 where XNo > 5;
select "Deleted >5";
create view vt1 as select XNo from t1; create view vt1 as select XNo from t1;
select XNo from vt1; select XNo as XNo_vt1 from vt1;
delete from vt1 where XNo = 3; delete from vt1 where XNo = 3;
select XNo from vt1; select "Deleted from VIEW 3";
select XNo as XNo_vt1 from vt1;
execute stmt; drop prepare stmt; execute stmt; drop prepare stmt;
drop view vt1; drop view vt1;
drop table t1; drop table t1;
@ -180,6 +184,8 @@ XNo sys_end < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
Deleted 0
Deleted 0
XNo sys_end < '2038-01-19 03:14:07' XNo sys_end < '2038-01-19 03:14:07'
0 1 0 1
1 0 1 0
@ -191,6 +197,8 @@ XNo sys_end < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
Deleted 1
Deleted 1
XNo sys_end < '2038-01-19 03:14:07' XNo sys_end < '2038-01-19 03:14:07'
0 1 0 1
1 1 1 1
@ -202,12 +210,16 @@ XNo sys_end < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
XNo Deleted >5
Deleted >5
XNo_vt1
2 2
3 3
4 4
5 5
XNo Deleted from VIEW 3
Deleted from VIEW 3
XNo_vt1
2 2
4 4
5 5
@ -234,6 +246,8 @@ XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
Deleted 0
Deleted 0
XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07' XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07'
0 1 0 1
1 0 1 0
@ -245,6 +259,8 @@ XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
Deleted 1
Deleted 1
XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07' XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07'
0 1 0 1
1 1 1 1
@ -256,12 +272,16 @@ XNo vtq_commit_ts(sys_end) < '2038-01-19 03:14:07'
7 0 7 0
8 0 8 0
9 0 9 0
XNo Deleted >5
Deleted >5
XNo_vt1
2 2
3 3
4 4
5 5
XNo Deleted from VIEW 3
Deleted from VIEW 3
XNo_vt1
2 2
4 4
5 5
@ -362,13 +382,14 @@ No A B C D
2 1 1 1 1 2 1 1 1 1
3 1 1 1 1 3 1 1 1 1
4 1 1 1 1 4 1 1 1 1
drop procedure test_01; # Update + delete
drop procedure test_02; create or replace table t1 (x int) with system versioning;
drop procedure test_03; insert into t1 values (1);
drop procedure verify_vtq; update t1 set x= 2;
drop procedure innodb_verify_vtq; delete from t1;
drop function default_engine; select x from t1 for system_time all;
drop function sys_commit_ts; x
drop function sys_datatype; 2
drop procedure concat_exec2; 1
drop procedure concat_exec3; drop database test;
create database test;

20
mysql-test/suite/versioning/t/delete.test
View File

@ -32,14 +32,18 @@ begin
and timestamp '2038-01-19 04:14:07'"); and timestamp '2038-01-19 04:14:07'");
prepare stmt from @str; execute stmt; prepare stmt from @str; execute stmt;
delete from t1 where XNo = 0; delete from t1 where XNo = 0;
select "Deleted 0";
execute stmt; execute stmt;
delete from t1 where XNo = 1; delete from t1 where XNo = 1;
select "Deleted 1";
execute stmt; execute stmt;
delete from t1 where XNo > 5; delete from t1 where XNo > 5;
select "Deleted >5";
create view vt1 as select XNo from t1; create view vt1 as select XNo from t1;
select XNo from vt1; select XNo as XNo_vt1 from vt1;
delete from vt1 where XNo = 3; delete from vt1 where XNo = 3;
select XNo from vt1; select "Deleted from VIEW 3";
select XNo as XNo_vt1 from vt1;
execute stmt; drop prepare stmt; execute stmt; drop prepare stmt;
drop view vt1; drop view vt1;
drop table t1; drop table t1;
@ -114,8 +118,12 @@ call test_03('timestamp(6)', 'myisam', 'sys_end');
call test_03('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)'); call test_03('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
call verify_vtq; call verify_vtq;
drop procedure test_01; --echo # Update + delete
drop procedure test_02; create or replace table t1 (x int) with system versioning;
drop procedure test_03; insert into t1 values (1);
update t1 set x= 2;
delete from t1;
select x from t1 for system_time all;
-- source suite/versioning/common_finish.inc drop database test;
create database test;

7
sql/sql_delete.cc
View File

@ -220,7 +220,12 @@ static bool record_should_be_deleted(THD *thd, TABLE *table, SQL_SELECT *sel,
if (table->versioned()) if (table->versioned())
{ {
bool row_is_alive= table->vers_end_field()->is_max(); bool row_is_alive= table->vers_end_field()->is_max();
if (table->pos_in_table_list->vers_conditions ? row_is_alive : !row_is_alive) /* If we are doing TRUNCATE TABLE with SYSTEM_TIME condition then historical
record is deleted and current record is kept. Otherwise alive record is
deleted and historical record is kept. */
if ((thd->lex->sql_command == SQLCOM_TRUNCATE && table->pos_in_table_list->vers_conditions)
? row_is_alive
: !row_is_alive)
return false; return false;
} }