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.

Sign up for GitHub

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

Jump to bottom

executor: handle missing timestamp value for load data (#11093) #11250

Merged
merged 2 commits into from
Jul 15, 2019
Merged

executor: handle missing timestamp value for load data (#11093) #11250

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f909823
executor: handle missing timestamp value for load data (#11093)
Jul 12, 2019
079ba86
Merge branch 'release-3.0' into load_data_default
Jul 15, 2019
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
6 changes: 6 additions & 0 deletions executor/load_data.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -282,8 +282,14 @@ func (e *LoadDataInfo) SetMessage() {
}

func (e *LoadDataInfo) colsToRow(ctx context.Context, cols []field) []types.Datum {
totalCols := e.Table.Cols()
for i := 0; i < len(e.row); i++ {
if i >= len(cols) {
// If some columns is missing and their type is time and has not null flag, they should be set as current time.
if types.IsTypeTime(totalCols[i].Tp) && mysql.HasNotNullFlag(totalCols[i].Flag) {
e.row[i].SetMysqlTime(types.CurrentTime(totalCols[i].Tp))
continue
}
e.row[i].SetNull()
continue
}
Expand Down
38 changes: 38 additions & 0 deletions executor/write_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
. "github.com/pingcap/check"
"github.com/pingcap/failpoint"
"github.com/pingcap/parser/model"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/tidb/executor"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/planner/core"
Expand Down Expand Up @@ -1775,6 +1776,43 @@ func (s *testSuite4) TestQualifiedDelete(c *C) {
c.Assert(err, NotNil)
}

func (s *testSuite4) TestLoadDataMissingColumn(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
createSQL := `create table load_data_missing (id int, t timestamp not null)`
tk.MustExec(createSQL)
tk.MustExec("load data local infile '/tmp/nonexistence.csv' ignore into table load_data_missing")
ctx := tk.Se.(sessionctx.Context)
ld, ok := ctx.Value(executor.LoadDataVarKey).(*executor.LoadDataInfo)
c.Assert(ok, IsTrue)
defer ctx.SetValue(executor.LoadDataVarKey, nil)
c.Assert(ld, NotNil)

deleteSQL := "delete from load_data_missing"
selectSQL := "select * from load_data_missing;"
_, reachLimit, err := ld.InsertData(context.Background(), nil, nil)
c.Assert(err, IsNil)
c.Assert(reachLimit, IsFalse)
r := tk.MustQuery(selectSQL)
r.Check(nil)

curTime := types.CurrentTime(mysql.TypeTimestamp)
timeStr := curTime.String()
tests := []testCase{
{nil, []byte("12\n"), []string{fmt.Sprintf("12|%v", timeStr)}, nil, "Records: 1 Deleted: 0 Skipped: 0 Warnings: 0"},
}
checkCases(tests, ld, c, tk, ctx, selectSQL, deleteSQL)

tk.MustExec("alter table load_data_missing add column t2 timestamp null")
curTime = types.CurrentTime(mysql.TypeTimestamp)
timeStr = curTime.String()
tests = []testCase{
{nil, []byte("12\n"), []string{fmt.Sprintf("12|%v|<nil>", timeStr)}, nil, "Records: 1 Deleted: 0 Skipped: 0 Warnings: 0"},
}
checkCases(tests, ld, c, tk, ctx, selectSQL, deleteSQL)

}

func (s *testSuite4) TestLoadData(c *C) {
trivialMsg := "Records: 1 Deleted: 0 Skipped: 0 Warnings: 0"
tk := testkit.NewTestKit(c, s.store)
Expand Down