[Tarantool-patches] [PATCH v4 5/6] box: disallow to modify format of a view
Nikita Pettik
korablev at tarantool.org
Wed Sep 16 16:37:28 MSK 2020
On 12 Sep 00:51, Roman Khabibov wrote:
> Disallow to modify format and field_count of a view.
Please add rationale
> Needed for #3075
> ---
> src/box/alter.cc | 8 ++++
> test/box/view-dont-modify-format.result | 51 +++++++++++++++++++++++
> test/box/view-dont-modify-format.test.lua | 18 ++++++++
> 3 files changed, 77 insertions(+)
> create mode 100644 test/box/view-dont-modify-format.result
> create mode 100644 test/box/view-dont-modify-format.test.lua
>
> diff --git a/src/box/alter.cc b/src/box/alter.cc
> index ba96d9c62..3bfbb690a 100644
> --- a/src/box/alter.cc
> +++ b/src/box/alter.cc
> @@ -2441,6 +2441,14 @@ on_replace_dd_space(struct trigger * /* trigger */, void *event)
> "view");
> return -1;
> }
> + if (def->opts.is_view && (def->field_count !=
> + old_space->def->field_count)) {
> + diag_set(ClientError, ER_ALTER_SPACE,
> + space_name(old_space),
> + "can not modify format or field_count of a "
field_count -> field count
What if field count count is the same, but we modify column's type?
> + "view");
> + return -1;
> + }
> /*
> * Allow change of space properties, but do it
> * in WAL-error-safe mode.
> diff --git a/test/box/view-dont-modify-format.result b/test/box/view-dont-modify-format.result
> new file mode 100644
> index 000000000..c130db49c
> --- /dev/null
> +++ b/test/box/view-dont-modify-format.result
Why not put the test case into sql/view.test.lua?
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