// check if exists all primary keys in the item to write it.
func (t *DynamoTable) isExistPrimaryKeys(item *SDK.PutItemInput) bool {
hashKey := t.GetHashKeyName()
itemAttrs := item.Item
_, ok := itemAttrs[hashKey]
if !ok {
log.Warn("[DynamoDB] No HashKey, table="+t.name, hashKey)
return false
}
rangeKey := t.GetRangeKeyName()
_, ok = itemAttrs[rangeKey]
if rangeKey != "" && !ok {
log.Warn("[DynamoDB] No RangeKey, table="+t.name, rangeKey)
return false
}
return true
}
func (f *FileBuffer) Read(p []byte) (int, error) {
n, err := bytes.NewBuffer(f.Buffer.Bytes()[f.Index:]).Read(p)
if err == nil {
if f.Index+int64(len(p)) < int64(f.Buffer.Len()) {
f.Index += int64(len(p))
} else {
f.Index = int64(f.Buffer.Len())
}
} else {
log.Warn("[S3Object] error on read file", err.Error())
}
return n, err
}
func (f *FileBuffer) Seek(offset int64, whence int) (int64, error) {
var err error
var Index int64 = 0
switch whence {
case 0:
if offset >= int64(f.Buffer.Len()) || offset < 0 {
err = errors.New("Seek: Invalid Offset")
} else {
f.Index = offset
Index = offset
}
default:
err = errors.New("Unsupported Seek Method.")
}
if err != nil {
log.Warn("[S3Object] error on seek file", err.Error())
}
return Index, err
}