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MDEV-31313 SYSTEM VERSIONING and FOREIGN KEY CASCADE create orphan rows on replica

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Constraints processing row_ins_check_foreign_constraint() was not
called because row_upd_check_references_constraints() didn't see
update as delete: node->is_delete was false.

Since MDEV-30378 we check for TRG_EVENT_DELETE to detect versioned
delete in ha_innobase::update_row().

Now we can use TRG_EVENT_DELETE to set upd_node->is_delete, so
constraints processing is triggered correctly.
This commit is contained in:
Aleksey Midenkov
2023-07-20 14:13:59 +03:00
parent add0c01bae
commit fe618de691
5 changed files with 130 additions and 2 deletions
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12
mysql-test/suite/versioning/common.inc
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@@ -91,6 +91,18 @@ begin
end~~
delimiter ;~~
delimiter ~~;
eval create or replace function check_row_slave(row_start $sys_datatype_expl, row_end $sys_datatype_expl)
returns varchar(255)
deterministic
begin
if current_row(row_end) then
return "CURRENT ROW";
end if;
return "HISTORICAL ROW";
end~~
delimiter ;~~
delimiter ~~;
eval create or replace function check_row_ts(row_start timestamp(6), row_end timestamp(6))
returns varchar(255)