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MDEV-12874 UPDATE statements with the same source and target

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halfspawn
2017-09-26 11:52:31 +02:00
committed by Sergei Golubchik
parent 26ff92f7ac
commit 1a74d12da6
19 changed files with 1598 additions and 366 deletions
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mysql-test/r/multi_update.result
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@@ -442,7 +442,6 @@ drop table t1, t2, t3;
create table t1 (col1 int);
create table t2 (col1 int);
update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
ERROR HY000: Table 't1' is specified twice, both as a target for 'UPDATE' and as a separate source for data
delete t1 from t1,t2 where t1.col1 < (select max(col1) from t1) and t1.col1 = t2.col1;
ERROR HY000: Table 't1' is specified twice, both as a target for 'DELETE' and as a separate source for data
drop table t1,t2;