本文整理匯總了Golang中github.com/pingcap/tidb/table.Table.RowWithCols方法的典型用法代碼示例。如果您正苦於以下問題：Golang Table.RowWithCols方法的具體用法？Golang Table.RowWithCols怎麽用？Golang Table.RowWithCols使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/pingcap/tidb/table.Table的用法示例。
在下文中一共展示了Table.RowWithCols方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: checkAddPublic
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
}示例2: checkIndexAndRecord
func checkIndexAndRecord(txn kv.Transaction, t table.Table, idx *column.IndexedCol) error {
kvIndex := kv.NewKVIndex(t.IndexPrefix(), idx.Name.L, idx.ID, idx.Unique)
it, err := kvIndex.SeekFirst(txn)
if err != nil {
return errors.Trace(err)
}
defer it.Close()
cols := make([]*column.Col, len(idx.Columns))
for i, col := range idx.Columns {
cols[i] = t.Cols()[col.Offset]
}
for {
vals1, h, err := it.Next()
if terror.ErrorEqual(err, io.EOF) {
break
} else if err != nil {
return errors.Trace(err)
}
vals2, err := t.RowWithCols(txn, h, cols)
if terror.ErrorEqual(err, kv.ErrNotExist) {
record := &RecordData{Handle: h, Values: vals1}
err = errors.Errorf("index:%v != record:%v", record, nil)
}
if err != nil {
return errors.Trace(err)
}
if !reflect.DeepEqual(vals1, vals2) {
record1 := &RecordData{Handle: h, Values: vals1}
record2 := &RecordData{Handle: h, Values: vals2}
return errors.Errorf("index:%v != record:%v", record1, record2)
}
}
return nil
}