本文整理汇总了Golang中github.com/cockroachdb/cockroach/pkg/internal/client.KeyValue.ValueBytes方法的典型用法代码示例。如果您正苦于以下问题：Golang KeyValue.ValueBytes方法的具体用法？Golang KeyValue.ValueBytes怎么用？Golang KeyValue.ValueBytes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/pkg/internal/client.KeyValue的用法示例。
在下文中一共展示了KeyValue.ValueBytes方法的1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: ProcessKV
// ProcessKV processes the given key/value, setting values in the row
// accordingly. If debugStrings is true, returns pretty printed key and value
// information in prettyKey/prettyValue (otherwise they are empty strings).
func (rf *RowFetcher) ProcessKV(
kv client.KeyValue, debugStrings bool,
) (prettyKey string, prettyValue string, err error) {
if debugStrings {
prettyKey = fmt.Sprintf("/%s/%s%s", rf.desc.Name, rf.index.Name, prettyEncDatums(rf.keyVals))
}
if rf.indexKey == nil {
// This is the first key for the row.
rf.indexKey = []byte(kv.Key[:len(kv.Key)-len(rf.keyRemainingBytes)])
// Reset the row to nil; it will get filled in with the column
// values as we decode the key-value pairs for the row.
for i := range rf.row {
rf.row[i].UnsetDatum()
}
// Fill in the column values that are part of the index key.
for i, v := range rf.keyVals {
rf.row[rf.indexColIdx[i]] = v
}
}
if !rf.isSecondaryIndex && len(rf.keyRemainingBytes) > 0 {
_, familyID, err := encoding.DecodeUvarintAscending(rf.keyRemainingBytes)
if err != nil {
return "", "", err
}
family, err := rf.desc.FindFamilyByID(FamilyID(familyID))
if err != nil {
return "", "", err
}
switch kv.Value.GetTag() {
case roachpb.ValueType_TUPLE:
prettyKey, prettyValue, err = rf.processValueTuple(family, kv, debugStrings, prettyKey)
default:
prettyKey, prettyValue, err = rf.processValueSingle(family, kv, debugStrings, prettyKey)
}
if err != nil {
return "", "", err
}
} else {
if rf.implicitVals != nil {
// This is a unique index; decode the implicit column values from
// the value.
_, err := DecodeKeyVals(&rf.alloc, rf.implicitVals, nil, kv.ValueBytes())
if err != nil {
return "", "", err
}
for i, id := range rf.index.ImplicitColumnIDs {
if idx, ok := rf.colIdxMap[id]; ok && rf.valNeededForCol[idx] {
rf.row[idx] = rf.implicitVals[i]
}
}
if debugStrings {
prettyValue = prettyEncDatums(rf.implicitVals)
}
}
if log.V(2) {
if rf.implicitVals != nil {
log.Infof(context.TODO(), "Scan %s -> %s", kv.Key, prettyEncDatums(rf.implicitVals))
} else {
log.Infof(context.TODO(), "Scan %s", kv.Key)
}
}
}
if debugStrings && prettyValue == "" {
prettyValue = parser.DNull.String()
}
return prettyKey, prettyValue, nil
}