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MDEV-16546 post-review fixes

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* clarify the help text for --system-versioning-insert-history
* move the vers_write=false check from Item_field::fix_fields()
  next to other vers field checks in find_field_in_table()
* move row_start validation from handler::write_row() next to
  vers_update_fields()
* make secure_timestamp check to happen in one place only,
  extract it into a function is_set_timestamp_vorbidden().
* overwriting vers fields is an error, just like setting @@timestamp
* don't run vers_insert_history() for every row
This commit is contained in:
Sergei Golubchik
2022-09-06 19:28:42 +02:00
parent a2cda88631
commit 8d2ec37a40
16 changed files with 162 additions and 88 deletions
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21
mysql-test/suite/versioning/t/insert.test
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@@ -108,6 +108,8 @@ show create table t1;
insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
--error ER_WRONG_VALUE
insert into t3 values (5, '1980-01-02 00:00:00', '1980-01-01 00:00:01');
select x, row_start, row_end from t1 for system_time all;
select y, row_start, row_end from t2 for system_time all;
@@ -215,22 +217,25 @@ select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t
--let $restart_parameters= --secure-timestamp=YES
--source include/restart_mysqld.inc
set @@system_versioning_insert_history= 1;
--error ER_BAD_FIELD_ERROR
--error ER_OPTION_PREVENTS_STATEMENT
insert into t1(x, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
--let $restart_parameters= --secure-timestamp=REPLICATION
--source include/restart_mysqld.inc
create user nobody;
grant all privileges on test.* to nobody;
change_user nobody;
set @@system_versioning_insert_history= 1;
--error ER_BAD_FIELD_ERROR
insert into t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
insert into test.t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
change_user root;
--let $restart_parameters= --secure-timestamp=SUPER
--source include/restart_mysqld.inc
set @@system_versioning_insert_history= 1;
insert into t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
create user nobody;
insert into test.t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
change_user nobody;
use test;
--error ER_BAD_FIELD_ERROR
insert into t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
set @@system_versioning_insert_history= 1;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
insert into test.t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
change_user root;
use test;
--let $restart_parameters= --secure-timestamp=NO