本文整理汇总了Golang中github.com/cockroachdb/cockroach/sql/sqlbase.TableDescriptor.FindIndexByID方法的典型用法代码示例。如果您正苦于以下问题：Golang TableDescriptor.FindIndexByID方法的具体用法？Golang TableDescriptor.FindIndexByID怎么用？Golang TableDescriptor.FindIndexByID使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/cockroachdb/cockroach/sql/sqlbase.TableDescriptor的用法示例。
在下文中一共展示了TableDescriptor.FindIndexByID方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
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
}
valTypes, err := sqlbase.MakeKeyVals(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)
}
vals := make([]parser.Datum, len(valTypes))
if _, err := sqlbase.DecodeKeyVals(&alloc, valTypes, vals, dirs, key); err != nil {
return err
}
return sqlbase.NewUniquenessConstraintViolationError(index, vals)
}
}
return origPErr.GoError()
}示例2: convertBatchError
func convertBatchError(tableDesc *sqlbase.TableDescriptor, b client.Batch, origPErr *roachpb.Error) error {
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 {
indexID, key, err := sqlbase.DecodeIndexKeyPrefix(tableDesc, row.Key)
if err != nil {
return err
}
index, err := tableDesc.FindIndexByID(indexID)
if err != nil {
return err
}
valTypes, err := sqlbase.MakeKeyVals(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)
}
vals := make([]parser.Datum, len(valTypes))
if _, err := sqlbase.DecodeKeyVals(&alloc, valTypes, vals, dirs, key); err != nil {
return err
}
return &errUniquenessConstraintViolation{index: index, vals: vals}
}
}
return origPErr.GoError()
}