本文整理匯總了Golang中github.com/cockroachdb/cockroach/pkg/internal/client.Batch.MustPErr方法的典型用法代碼示例。如果您正苦於以下問題：Golang Batch.MustPErr方法的具體用法？Golang Batch.MustPErr怎麽用？Golang Batch.MustPErr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/cockroachdb/cockroach/pkg/internal/client.Batch的用法示例。
在下文中一共展示了Batch.MustPErr方法的1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: convertBatchError
func convertBatchError(tableDesc *sqlbase.TableDescriptor, b *client.Batch) error {
origPErr := b.MustPErr()
if origPErr.Index == nil {
return origPErr.GoError()
}
index := origPErr.Index.Index
if index >= int32(len(b.Results)) {
panic(fmt.Sprintf("index %d outside of results: %+v", index, b.Results))
}
result := b.Results[index]
var alloc sqlbase.DatumAlloc
if _, ok := origPErr.GetDetail().(*roachpb.ConditionFailedError); ok {
for _, row := range result.Rows {
// TODO(dan): There's too much internal knowledge of the sql table
// encoding here (and this callsite is the only reason
// DecodeIndexKeyPrefix is exported). Refactor this bit out.
indexID, key, err := sqlbase.DecodeIndexKeyPrefix(&alloc, tableDesc, row.Key)
if err != nil {
return err
}
index, err := tableDesc.FindIndexByID(indexID)
if err != nil {
return err
}
vals, err := sqlbase.MakeEncodedKeyVals(tableDesc, index.ColumnIDs)
if err != nil {
return err
}
dirs := make([]encoding.Direction, 0, len(index.ColumnIDs))
for _, dir := range index.ColumnDirections {
convertedDir, err := dir.ToEncodingDirection()
if err != nil {
return err
}
dirs = append(dirs, convertedDir)
}
if _, err := sqlbase.DecodeKeyVals(&alloc, vals, dirs, key); err != nil {
return err
}
decodedVals := make([]parser.Datum, len(vals))
var da sqlbase.DatumAlloc
for i, val := range vals {
err := val.EnsureDecoded(&da)
if err != nil {
return err
}
decodedVals[i] = val.Datum
}
return sqlbase.NewUniquenessConstraintViolationError(index, decodedVals)
}
}
return origPErr.GoError()
}