func (s *testIndexChangeSuite) checkDropDeleteOnly(d *ddl, ctx context.Context, writeTbl, delTbl table.Table) error {
// WriteOnlyTable insert t values (9, 9)
_, err := writeTbl.AddRecord(ctx, types.MakeDatums(9, 9))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, writeTbl, 9, 9, true)
// DeleteOnlyTable insert t values (10, 10)
_, err = delTbl.AddRecord(ctx, types.MakeDatums(10, 10))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, writeTbl, 10, 10, false)
if err != nil {
return errors.Trace(err)
}
// DeleteOnlyTable update t set c2 = 10 where c1 = 9
err = delTbl.UpdateRecord(ctx, 9, types.MakeDatums(9, 9), types.MakeDatums(9, 10), touchedMap(delTbl))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, writeTbl, 9, 9, false)
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, writeTbl, 10, 9, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (e *ShowExec) fetchShowIndex() error {
tb, err := e.getTable()
if err != nil {
return errors.Trace(err)
}
if tb.Meta().PKIsHandle {
var pkCol *table.Column
for _, col := range tb.Cols() {
if mysql.HasPriKeyFlag(col.Flag) {
pkCol = col
break
}
}
data := types.MakeDatums(
tb.Meta().Name.O, // Table
0, // Non_unique
"PRIMARY", // Key_name
1, // Seq_in_index
pkCol.Name.O, // Column_name
"utf8_bin", // Colation
0, // Cardinality
nil, // Sub_part
nil, // Packed
"", // Null
"BTREE", // Index_type
"", // Comment
"", // Index_comment
)
e.rows = append(e.rows, &Row{Data: data})
}
for _, idx := range tb.Indices() {
for i, col := range idx.Meta().Columns {
nonUniq := 1
if idx.Meta().Unique {
nonUniq = 0
}
var subPart interface{}
if col.Length != types.UnspecifiedLength {
subPart = col.Length
}
data := types.MakeDatums(
tb.Meta().Name.O, // Table
nonUniq, // Non_unique
idx.Meta().Name.O, // Key_name
i+1, // Seq_in_index
col.Name.O, // Column_name
"utf8_bin", // Colation
0, // Cardinality
subPart, // Sub_part
nil, // Packed
"YES", // Null
idx.Meta().Tp.String(), // Index_type
"", // Comment
idx.Meta().Comment, // Index_comment
)
e.rows = append(e.rows, &Row{Data: data})
}
}
return nil
}
func (ts *testSuite) TestUniqueIndexMultipleNullEntries(c *C) {
_, err := ts.se.Execute("CREATE TABLE test.t (a int primary key auto_increment, b varchar(255) unique)")
c.Assert(err, IsNil)
ctx := ts.se.(context.Context)
dom := sessionctx.GetDomain(ctx)
tb, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
c.Assert(err, IsNil)
c.Assert(tb.Meta().ID, Greater, int64(0))
c.Assert(tb.Meta().Name.L, Equals, "t")
c.Assert(tb.Meta(), NotNil)
c.Assert(tb.Indices(), NotNil)
c.Assert(string(tb.FirstKey()), Not(Equals), "")
c.Assert(string(tb.IndexPrefix()), Not(Equals), "")
c.Assert(string(tb.RecordPrefix()), Not(Equals), "")
c.Assert(tables.FindIndexByColName(tb, "b"), NotNil)
autoid, err := tb.AllocAutoID()
c.Assert(err, IsNil)
c.Assert(autoid, Greater, int64(0))
_, err = tb.AddRecord(ctx, types.MakeDatums(1, nil))
c.Assert(err, IsNil)
_, err = tb.AddRecord(ctx, types.MakeDatums(2, nil))
c.Assert(err, IsNil)
_, err = ts.se.Execute("drop table test.t")
c.Assert(err, IsNil)
}
func (s *testColumnChangeSuite) checkAddPublic(d *ddl, ctx context.Context, writeOnlyTable, publicTable table.Table) error {
// publicTable Insert t values (4, 4, 4)
h, err := publicTable.AddRecord(ctx, types.MakeDatums(4, 4, 4))
if err != nil {
return errors.Trace(err)
}
err = ctx.CommitTxn()
if err != nil {
return errors.Trace(err)
}
// writeOnlyTable update t set c1 = 3 where c1 = 4
oldRow, err := writeOnlyTable.RowWithCols(ctx, h, writeOnlyTable.WritableCols())
if err != nil {
return errors.Trace(err)
}
if len(oldRow) != 3 {
return errors.Errorf("%v", oldRow)
}
newRow := types.MakeDatums(3, 4, oldRow[2].GetValue())
err = writeOnlyTable.UpdateRecord(ctx, h, oldRow, newRow, touchedMap(writeOnlyTable))
if err != nil {
return errors.Trace(err)
}
err = ctx.CommitTxn()
if err != nil {
return errors.Trace(err)
}
// publicTable select * from t, make sure the new c3 value 4 is not overwritten to default value 3.
err = checkResult(ctx, publicTable, testutil.RowsWithSep(" ", "2 3 3", "3 4 4"))
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testIndexSuite) TestCombineIndexSeek(c *C) {
defer testleak.AfterTest(c)()
tblInfo := &model.TableInfo{
ID: 1,
Indices: []*model.IndexInfo{
{
ID: 2,
Name: model.NewCIStr("test"),
Columns: []*model.IndexColumn{
{},
{},
},
},
},
}
index := tables.NewIndex(tblInfo, tblInfo.Indices[0])
txn, err := s.s.Begin()
c.Assert(err, IsNil)
values := types.MakeDatums("abc", "def")
_, err = index.Create(txn, values, 1)
c.Assert(err, IsNil)
index2 := tables.NewIndex(tblInfo, tblInfo.Indices[0])
iter, hit, err := index2.Seek(txn, types.MakeDatums("abc", nil))
c.Assert(err, IsNil)
defer iter.Close()
c.Assert(hit, IsFalse)
_, h, err := iter.Next()
c.Assert(err, IsNil)
c.Assert(h, Equals, int64(1))
}
func (s *testEvaluatorSuite) TestCurrentTime(c *C) {
defer testleak.AfterTest(c)()
tfStr := "15:04:05"
last := time.Now()
v, err := builtinCurrentTime(types.MakeDatums(nil), nil)
c.Assert(err, IsNil)
n := v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 8)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
v, err = builtinCurrentTime(types.MakeDatums(3), nil)
c.Assert(err, IsNil)
n = v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 12)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
v, err = builtinCurrentTime(types.MakeDatums(6), nil)
c.Assert(err, IsNil)
n = v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 15)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
v, err = builtinCurrentTime(types.MakeDatums(-1), nil)
c.Assert(err, NotNil)
v, err = builtinCurrentTime(types.MakeDatums(7), nil)
c.Assert(err, NotNil)
}
func (s *testEvaluatorSuite) TestRepeat(c *C) {
defer testleak.AfterTest(c)()
args := []interface{}{"a", int64(2)}
v, err := builtinRepeat(types.MakeDatums(args...), nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "aa")
args = []interface{}{"a", uint64(2)}
v, err = builtinRepeat(types.MakeDatums(args...), nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "aa")
args = []interface{}{"a", int64(-1)}
v, err = builtinRepeat(types.MakeDatums(args...), nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "")
args = []interface{}{"a", int64(0)}
v, err = builtinRepeat(types.MakeDatums(args...), nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "")
args = []interface{}{"a", uint64(0)}
v, err = builtinRepeat(types.MakeDatums(args...), nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "")
}
func (s *testEvaluatorSuite) TestLeft(c *C) {
defer testleak.AfterTest(c)()
args := types.MakeDatums([]interface{}{"abcdefg", int64(2)}...)
v, err := builtinLeft(args, nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "ab")
args = types.MakeDatums([]interface{}{"abcdefg", int64(-1)}...)
v, err = builtinLeft(args, nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "")
args = types.MakeDatums([]interface{}{"abcdefg", int64(100)}...)
v, err = builtinLeft(args, nil)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, "abcdefg")
args = types.MakeDatums([]interface{}{1, int64(1)}...)
_, err = builtinLeft(args, nil)
c.Assert(err, IsNil)
args = types.MakeDatums([]interface{}{"abcdefg", "xxx"}...)
_, err = builtinLeft(args, nil)
c.Assert(err, NotNil)
}
func (s *testIndexChangeSuite) checkDropWriteOnly(d *ddl, ctx context.Context, publicTbl, writeTbl table.Table) error {
// WriteOnlyTable insert t values (8, 8)
_, err := writeTbl.AddRecord(ctx, types.MakeDatums(8, 8))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 8, 8, true)
if err != nil {
return errors.Trace(err)
}
// WriteOnlyTable update t set c2 = 7 where c1 = 8 and c2 = 8
err = writeTbl.UpdateRecord(ctx, 8, types.MakeDatums(8, 8), types.MakeDatums(8, 7), touchedMap(writeTbl))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 7, 8, true)
if err != nil {
return errors.Trace(err)
}
// WriteOnlyTable delete t where c1 = 8
err = writeTbl.RemoveRecord(ctx, 8, types.MakeDatums(8, 7))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 7, 8, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testEvaluatorSuite) TestLowerAndUpper(c *C) {
defer testleak.AfterTest(c)()
d, err := builtinLower(types.MakeDatums([]interface{}{nil}...), nil)
c.Assert(err, IsNil)
c.Assert(d.Kind(), Equals, types.KindNull)
d, err = builtinUpper(types.MakeDatums([]interface{}{nil}...), nil)
c.Assert(err, IsNil)
c.Assert(d.Kind(), Equals, types.KindNull)
tbl := []struct {
Input interface{}
Expect string
}{
{"abc", "abc"},
{1, "1"},
}
dtbl := tblToDtbl(tbl)
for _, t := range dtbl {
d, err = builtinLower(t["Input"], nil)
c.Assert(err, IsNil)
c.Assert(d, testutil.DatumEquals, t["Expect"][0])
d, err = builtinUpper(t["Input"], nil)
c.Assert(err, IsNil)
c.Assert(d.GetString(), Equals, strings.ToUpper(t["Expect"][0].GetString()))
}
}
func (s *testEvaluatorSuite) TestASCII(c *C) {
defer testleak.AfterTest(c)()
v, err := builtinASCII(types.MakeDatums([]interface{}{nil}...), nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
for _, t := range []struct {
Input interface{}
Expected int64
}{
{"", 0},
{"A", 65},
{"ä½ å¥½", 228},
{1, 49},
{1.2, 49},
{true, 49},
{false, 48},
} {
v, err = builtinASCII(types.MakeDatums(t.Input), nil)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, t.Expected)
}
v, err = builtinASCII(types.MakeDatums([]interface{}{errors.New("must error")}...), nil)
c.Assert(err, NotNil)
}
func (s *testTableSuite) TestTable(c *C) {
d := s.d
ctx := testNewContext(c, d)
defer ctx.FinishTxn(true)
tblInfo := testTableInfo(c, d, "t", 3)
job := testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StatePublic)
testCheckJobDone(c, d, job, true)
newTblInfo := testTableInfo(c, d, "t", 3)
job = &model.Job{
SchemaID: s.dbInfo.ID,
TableID: newTblInfo.ID,
Type: model.ActionCreateTable,
Args: []interface{}{newTblInfo},
}
err := d.startDDLJob(ctx, job)
c.Assert(err, NotNil)
testCheckJobCancelled(c, d, job)
tbl := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
_, err = tbl.AddRecord(ctx, types.MakeDatums(1, 1, 1))
c.Assert(err, IsNil)
_, err = tbl.AddRecord(ctx, types.MakeDatums(2, 2, 2))
c.Assert(err, IsNil)
job = testDropTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckJobDone(c, d, job, false)
}
func (s *testIndexChangeSuite) checkAddPublic(d *ddl, ctx context.Context, writeTbl, publicTbl table.Table) error {
// WriteOnlyTable: insert t values (6, 6)
_, err := writeTbl.AddRecord(ctx, types.MakeDatums(6, 6))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 6, 6, true)
if err != nil {
return errors.Trace(err)
}
// PublicTable: insert t values (7, 7)
_, err = publicTbl.AddRecord(ctx, types.MakeDatums(7, 7))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 7, 7, true)
if err != nil {
return errors.Trace(err)
}
// WriteOnlyTable: update t set c2 = 5 where c1 = 7 and c2 = 7
err = writeTbl.UpdateRecord(ctx, 7, types.MakeDatums(7, 7), types.MakeDatums(7, 5), touchedMap(writeTbl))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 5, 7, true)
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 7, 7, false)
if err != nil {
return errors.Trace(err)
}
// WriteOnlyTable: delete t where c1 = 6
err = writeTbl.RemoveRecord(ctx, 6, types.MakeDatums(6, 6))
if err != nil {
return errors.Trace(err)
}
err = checkIndexExists(ctx, publicTbl, 6, 6, false)
var rows [][]types.Datum
publicTbl.IterRecords(ctx, publicTbl.FirstKey(), publicTbl.Cols(),
func(h int64, data []types.Datum, cols []*table.Column) (bool, error) {
rows = append(rows, data)
return true, nil
})
if len(rows) == 0 {
return errors.New("table is empty")
}
for _, row := range rows {
idxVal := row[1].GetInt64()
handle := row[0].GetInt64()
err = checkIndexExists(ctx, publicTbl, idxVal, handle, true)
if err != nil {
return errors.Trace(err)
}
}
return nil
}
func dataForColltions() (records [][]types.Datum) {
records = append(records,
types.MakeDatums("ascii_general_ci", "ascii", 1, "Yes", "Yes", 1),
types.MakeDatums("binary", "binary", 2, "Yes", "Yes", 1),
types.MakeDatums("latin1_swedish_ci", "latin1", 3, "Yes", "Yes", 1),
types.MakeDatums("utf8_general_ci", "utf8", 4, "Yes", "Yes", 1),
types.MakeDatums("utf8mb4_general_ci", "utf8mb4", 5, "Yes", "Yes", 1),
)
return records
}
func (s *testColumnSuite) TestCheck(c *C) {
col := newCol("a")
col.Flag = mysql.AutoIncrementFlag
cols := []*Col{col, col}
CheckOnce(cols)
cols = cols[:1]
CheckNotNull(cols, types.MakeDatums(nil))
cols[0].Flag |= mysql.NotNullFlag
CheckNotNull(cols, types.MakeDatums(nil))
}
func dataForCharacterSets() (records [][]types.Datum) {
records = append(records,
types.MakeDatums("ascii", "ascii_general_ci", "US ASCII", 1),
types.MakeDatums("binary", "binary", "Binary pseudo charset", 1),
types.MakeDatums("latin1", "latin1_swedish_ci", "cp1252 West European", 1),
types.MakeDatums("utf8", "utf8_general_ci", "UTF-8 Unicode", 3),
types.MakeDatums("utf8mb4", "utf8mb4_general_ci", "UTF-8 Unicode", 4),
)
return records
}
func (s *testEvaluatorSuite) TestDatabase(c *C) {
ctx := mock.NewContext()
d, err := builtinDatabase(types.MakeDatums(), ctx)
c.Assert(err, IsNil)
c.Assert(d.Kind(), Equals, types.KindNull)
db.BindCurrentSchema(ctx, "test")
d, err = builtinDatabase(types.MakeDatums(), ctx)
c.Assert(err, IsNil)
c.Assert(d.GetString(), Equals, "test")
}
func (s *testEvaluatorSuite) TestFoundRows(c *C) {
ctx := mock.NewContext()
d, err := builtinFoundRows(types.MakeDatums(), ctx)
c.Assert(err, NotNil)
variable.BindSessionVars(ctx)
d, err = builtinFoundRows(types.MakeDatums(), ctx)
c.Assert(err, IsNil)
c.Assert(d.GetUint64(), Equals, uint64(0))
}
func (s *testEvaluatorSuite) TestIsNullFunc(c *C) {
defer testleak.AfterTest(c)()
v, err := builtinIsNull(types.MakeDatums(1), nil)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, int64(0))
v, err = builtinIsNull(types.MakeDatums(nil), nil)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, int64(1))
}
func (s *testEvaluatorSuite) TestCoalesce(c *C) {
args := types.MakeDatums(1, nil)
v, err := builtinCoalesce(args, nil)
c.Assert(err, IsNil)
c.Assert(v, DatumEquals, types.NewDatum(1))
args = types.MakeDatums(nil, nil)
v, err = builtinCoalesce(args, nil)
c.Assert(err, IsNil)
c.Assert(v, DatumEquals, types.NewDatum(nil))
}
func (s *testEvaluatorSuite) TestCoalesce(c *C) {
defer testleak.AfterTest(c)()
args := types.MakeDatums(1, nil)
v, err := builtinCoalesce(args, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, types.NewDatum(1))
args = types.MakeDatums(nil, nil)
v, err = builtinCoalesce(args, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, types.NewDatum(nil))
}
func (s *testColumnChangeSuite) checkAddWriteOnly(d *ddl, ctx context.Context, deleteOnlyTable, writeOnlyTable table.Table) error {
// WriteOnlyTable: insert t values (2, 3)
_, err := writeOnlyTable.AddRecord(ctx, types.MakeDatums(2, 3))
if err != nil {
return errors.Trace(err)
}
err = ctx.CommitTxn()
if err != nil {
return errors.Trace(err)
}
err = checkResult(ctx, writeOnlyTable, testutil.RowsWithSep(" ", "1 2 <nil>", "2 3 3"))
if err != nil {
return errors.Trace(err)
}
// DeleteOnlyTable: select * from t
err = checkResult(ctx, deleteOnlyTable, testutil.RowsWithSep(" ", "1 2", "2 3"))
if err != nil {
return errors.Trace(err)
}
// WriteOnlyTable: update t set c1 = 2 where c1 = 1
h, _, err := writeOnlyTable.Seek(ctx, 0)
if err != nil {
return errors.Trace(err)
}
err = writeOnlyTable.UpdateRecord(ctx, h, types.MakeDatums(1, 2), types.MakeDatums(2, 2), touchedMap(writeOnlyTable))
if err != nil {
return errors.Trace(err)
}
err = ctx.CommitTxn()
if err != nil {
return errors.Trace(err)
}
// After we update the first row, its default value is also set.
err = checkResult(ctx, writeOnlyTable, testutil.RowsWithSep(" ", "2 2 3", "2 3 3"))
if err != nil {
return errors.Trace(err)
}
// DeleteOnlyTable: delete from t where c2 = 2
err = deleteOnlyTable.RemoveRecord(ctx, h, types.MakeDatums(2, 2))
if err != nil {
return errors.Trace(err)
}
err = ctx.CommitTxn()
if err != nil {
return errors.Trace(err)
}
// After delete table has deleted the first row, check the WriteOnly table records.
err = checkResult(ctx, writeOnlyTable, testutil.RowsWithSep(" ", "2 3 3"))
return errors.Trace(err)
}
func (s *testSuite) testTableData(c *C, tb table.Table, rs []*RecordData) {
txn, err := s.store.Begin()
c.Assert(err, IsNil)
err = CompareTableRecord(txn, tb, rs, true)
c.Assert(err, IsNil)
cnt, err := GetTableRecordsCount(txn, tb, 0)
c.Assert(err, IsNil)
c.Assert(cnt, Equals, int64(len(rs)))
records := []*RecordData{
{Handle: rs[0].Handle},
{Handle: rs[1].Handle},
}
err = CompareTableRecord(txn, tb, records, false)
c.Assert(err, IsNil)
record := &RecordData{Handle: rs[1].Handle, Values: types.MakeDatums(int64(30))}
err = CompareTableRecord(txn, tb, []*RecordData{rs[0], record}, true)
c.Assert(err, NotNil)
diffMsg := newDiffRetError("data", record, rs[1])
c.Assert(err.Error(), DeepEquals, diffMsg)
record.Handle = 3
err = CompareTableRecord(txn, tb, []*RecordData{rs[0], record, rs[1]}, true)
c.Assert(err, NotNil)
diffMsg = newDiffRetError("data", record, nil)
c.Assert(err.Error(), DeepEquals, diffMsg)
err = CompareTableRecord(txn, tb, []*RecordData{rs[0], rs[1], record}, true)
c.Assert(err, NotNil)
diffMsg = newDiffRetError("data", record, nil)
c.Assert(err.Error(), DeepEquals, diffMsg)
err = CompareTableRecord(txn, tb, []*RecordData{rs[0]}, true)
c.Assert(err, NotNil)
diffMsg = newDiffRetError("data", nil, rs[1])
c.Assert(err.Error(), DeepEquals, diffMsg)
err = CompareTableRecord(txn, tb, nil, true)
c.Assert(err, NotNil)
diffMsg = newDiffRetError("data", nil, rs[0])
c.Assert(err.Error(), DeepEquals, diffMsg)
errRs := append(rs, &RecordData{Handle: int64(1), Values: types.MakeDatums(int64(3))})
err = CompareTableRecord(txn, tb, errRs, false)
c.Assert(err.Error(), DeepEquals, "[inspectkv:2]handle:1 is repeated in data")
}
func (s *testEvaluatorSuite) TestSysDate(c *C) {
last := time.Now()
v, err := builtinSysDate(types.MakeDatums(nil), nil)
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(mysql.TimeFormat))
v, err = builtinSysDate(types.MakeDatums(6), nil)
c.Assert(err, IsNil)
n = v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(mysql.TimeFormat))
_, err = builtinSysDate(types.MakeDatums(-2), nil)
c.Assert(err, NotNil)
}
func (s *testEvaluatorSuite) TestLock(c *C) {
defer testleak.AfterTest(c)()
v, err := builtinLock(types.MakeDatums(1), s.ctx)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, int64(1))
v, err = builtinLock(types.MakeDatums(nil), s.ctx)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, int64(1))
v, err = builtinReleaseLock(types.MakeDatums(1), s.ctx)
c.Assert(err, IsNil)
c.Assert(v.GetInt64(), Equals, int64(1))
}
func (ts *testMemoryTableSuite) TestMemoryBasic(c *C) {
ctx := ts.se.(context.Context)
tb := ts.tbl
c.Assert(tb.Meta(), NotNil)
c.Assert(tb.Meta().ID, Greater, int64(0))
c.Assert(tb.Meta().Name.L, Equals, "t")
c.Assert(tb.Indices(), IsNil)
c.Assert(string(tb.FirstKey()), Not(Equals), "")
c.Assert(string(tb.RecordPrefix()), Not(Equals), "")
autoid, err := tb.AllocAutoID()
c.Assert(err, IsNil)
c.Assert(autoid, Greater, int64(0))
rid, err := tb.AddRecord(ctx, types.MakeDatums(1, "abc"))
c.Assert(err, IsNil)
row, err := tb.Row(ctx, rid)
c.Assert(err, IsNil)
c.Assert(len(row), Equals, 2)
c.Assert(row[0].GetInt64(), Equals, int64(1))
_, err = tb.AddRecord(ctx, types.MakeDatums(1, "aba"))
c.Assert(err, IsNil)
_, err = tb.AddRecord(ctx, types.MakeDatums(2, "abc"))
c.Assert(err, IsNil)
tb.IterRecords(ctx, tb.FirstKey(), tb.Cols(), func(h int64, data []types.Datum, cols []*table.Column) (bool, error) {
return true, nil
})
// RowWithCols test
vals, err := tb.RowWithCols(ctx, rid, tb.Cols())
c.Assert(err, IsNil)
c.Assert(vals, HasLen, 2)
c.Assert(vals[0].GetInt64(), Equals, int64(1))
cols := []*table.Column{tb.Cols()[1]}
vals, err = tb.RowWithCols(ctx, rid, cols)
c.Assert(err, IsNil)
c.Assert(vals, HasLen, 1)
c.Assert(vals[0].GetString(), Equals, "abc")
c.Assert(tb.RemoveRecord(ctx, rid, types.MakeDatums(1, "cba")), IsNil)
_, err = tb.AddRecord(ctx, types.MakeDatums(1, "abc"))
c.Assert(err, IsNil)
c.Assert(tb.Truncate(ctx), IsNil)
_, err = tb.Row(ctx, rid)
c.Assert(err, NotNil)
}
func (e *ExplainExec) fetchRows() {
visitor := &explainVisitor{id: 1}
visitor.explain(e.StmtPlan)
for _, entry := range visitor.entries {
row := &Row{}
row.Data = types.MakeDatums(
entry.ID,
entry.selectType,
entry.table,
entry.joinType,
entry.key,
entry.key,
entry.keyLen,
entry.ref,
entry.rows,
strings.Join(entry.extra, "; "),
)
for i := range row.Data {
if row.Data[i].Kind() == types.KindString && row.Data[i].GetString() == "" {
row.Data[i].SetNull()
}
}
e.rows = append(e.rows, row)
}
}
func dataForTables(schemas []*model.DBInfo) [][]types.Datum {
rows := [][]types.Datum{}
for _, schema := range schemas {
for _, table := range schema.Tables {
record := types.MakeDatums(
catalogVal, // TABLE_CATALOG
schema.Name.O, // TABLE_SCHEMA
table.Name.O, // TABLE_NAME
"BASE_TABLE", // TABLE_TYPE
"InnoDB", // ENGINE
uint64(10), // VERSION
"Compact", // ROW_FORMAT
uint64(0), // TABLE_ROWS
uint64(0), // AVG_ROW_LENGTH
uint64(16384), // DATA_LENGTH
uint64(0), // MAX_DATA_LENGTH
uint64(0), // INDEX_LENGTH
uint64(0), // DATA_FREE
nil, // AUTO_INCREMENT
nil, // CREATE_TIME
nil, // UPDATE_TIME
nil, // CHECK_TIME
"latin1_swedish_ci", // TABLE_COLLATION
nil, // CHECKSUM
"", // CREATE_OPTIONS
"", // TABLE_COMMENT
)
rows = append(rows, record)
}
}
return rows
}
func (s *testEvaluatorSuite) TestLength(c *C) {
defer testleak.AfterTest(c)()
d, err := builtinLength(types.MakeDatums([]interface{}{nil}...), nil)
c.Assert(err, IsNil)
c.Assert(d.Kind(), Equals, types.KindNull)
tbl := []struct {
Input interface{}
Expected int64
}{
{"abc", 3},
{1, 1},
{3.14, 4},
{mysql.Time{Time: time.Now(), Fsp: 6, Type: mysql.TypeDatetime}, 26},
{mysql.Bit{Value: 1, Width: 8}, 1},
{mysql.Hex{Value: 1}, 1},
{mysql.Set{Value: 1, Name: "abc"}, 3},
}
dtbl := tblToDtbl(tbl)
for _, t := range dtbl {
d, err = builtinLength(t["Input"], nil)
c.Assert(err, IsNil)
c.Assert(d, testutil.DatumEquals, t["Expected"][0])
}
}
func (s *testColumnSuite) checkWriteOnlyColumn(c *C, ctx context.Context, d *ddl, tblInfo *model.TableInfo, handle int64, col *column.Col, row []types.Datum, columnValue interface{}, isDropped bool) {
t := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
_, err := ctx.GetTxn(true)
c.Assert(err, IsNil)
i := int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(h int64, data []types.Datum, cols []*column.Col) (bool, error) {
c.Assert(data, DeepEquals, row)
i++
return true, nil
})
c.Assert(err, IsNil)
c.Assert(i, Equals, int64(1))
s.checkColumnKVExist(c, ctx, t, handle, col, columnValue, isDropped)
// Test add a new row.
_, err = ctx.GetTxn(true)
c.Assert(err, IsNil)
newRow := types.MakeDatums(int64(11), int64(22), int64(33))
handle, err = t.AddRecord(ctx, newRow)
c.Assert(err, IsNil)
_, err = ctx.GetTxn(true)
c.Assert(err, IsNil)
rows := [][]types.Datum{row, newRow}
i = int64(0)
t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(h int64, data []types.Datum, cols []*column.Col) (bool, error) {
c.Assert(data, DeepEquals, rows[i])
i++
return true, nil
})
c.Assert(i, Equals, int64(2))
s.checkColumnKVExist(c, ctx, t, handle, col, columnValue, true)
// Test remove a row.
_, err = ctx.GetTxn(true)
c.Assert(err, IsNil)
err = t.RemoveRecord(ctx, handle, newRow)
c.Assert(err, IsNil)
_, err = ctx.GetTxn(true)
c.Assert(err, IsNil)
i = int64(0)
t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(h int64, data []types.Datum, cols []*column.Col) (bool, error) {
i++
return true, nil
})
c.Assert(i, Equals, int64(1))
s.checkColumnKVExist(c, ctx, t, handle, col, columnValue, false)
s.testGetColumn(c, t, col.Name.L, false)
}