Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

executor: fix update join result when join table order changed #7571

Merged
merged 2 commits into from
Sep 3, 2018
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion executor/builder.go
Original file line number Diff line number Diff line change
Expand Up @@ -1228,7 +1228,7 @@ func (b *executorBuilder) buildUpdate(v *plan.Update) Executor {
b.err = errors.Trace(b.err)
return nil
}
columns2Handle := buildColumns2Handle(v.Schema(), tblID2table)
columns2Handle := buildColumns2Handle(v.SelectPlan.Schema(), tblID2table)
updateExec := &UpdateExec{
baseExecutor: newBaseExecutor(b.ctx, nil, v.ExplainID(), selExec),
SelectExec: selExec,
Expand Down
8 changes: 7 additions & 1 deletion executor/executor_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -3024,14 +3024,16 @@ func (s *testSuite) TestUnionAutoSignedCast(c *C) {
func (s *testSuite) TestUpdateJoin(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t1, t2, t3, t4, t5")
tk.MustExec("drop table if exists t1, t2, t3, t4, t5, t6, t7")
tk.MustExec("create table t1(k int, v int)")
tk.MustExec("create table t2(k int, v int)")
tk.MustExec("create table t3(id int auto_increment, k int, v int, primary key(id))")
tk.MustExec("create table t4(k int, v int)")
tk.MustExec("create table t5(v int, k int, primary key(k))")
tk.MustExec("insert into t1 values (1, 1)")
tk.MustExec("insert into t4 values (3, 3)")
tk.MustExec("create table t6 (id int, v longtext)")
tk.MustExec("create table t7 (x int, id int, v longtext, primary key(id))")

// test the normal case that update one row for a single table.
tk.MustExec("update t1 set v = 0 where k = 1")
Expand Down Expand Up @@ -3086,6 +3088,10 @@ func (s *testSuite) TestUpdateJoin(c *C) {
tk.MustQuery("select k, v from t1").Check(testkit.Rows("<nil> 2"))
tk.MustQuery("select k, v from t5").Check(testkit.Rows("0 0"))

tk.MustExec("insert into t6 values (1, NULL)")
tk.MustExec("insert into t7 values (5, 1, 'a')")
tk.MustExec("update t6, t7 set t6.v = t7.v where t6.id = t7.id and t7.x = 5")
tk.MustQuery("select v from t6").Check(testkit.Rows("a"))
}

func (s *testSuite) TestMaxOneRow(c *C) {
Expand Down