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MDEV-16490: It's possible to make a system versioned table without any versioning field

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* do not allow versioned table to be without versioned (non-system) fields
* prohibit changing field versioning, when removing table versioning
* handle CREATE...SELECT as well
This commit is contained in:
Nikita Malyavin
2018-06-22 23:26:43 +10:00
parent 604f80e77c
commit f6a7730c45
8 changed files with 158 additions and 56 deletions
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10
mysql-test/suite/versioning/r/create.result
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@@ -515,3 +515,13 @@ row_end datetime(6) generated always as row end,
period for system_time(row_start, row_end)
) with system versioning;
ERROR HY000: `row_start` must be of type TIMESTAMP(6) for system-versioned table `t`
# MDEV-16490 It's possible to make a system versioned table without any versioning field
create or replace table t1 (x int without system versioning)
with system versioning
select 1 as y;
create or replace table t1 (x int without system versioning)
with system versioning
select 1 as x;
ERROR HY000: Table `t1` must have at least one versioned column
drop database test;
create database test;