| 273 | } |
| 274 | |
| 275 | func (c Client) SREM(key string, members ...string) (removedMembers []string, err error) { |
| 276 | for _, member := range members { |
| 277 | resp, err := c.ddbClient.DeleteItemRequest(&dynamodb.DeleteItemInput{ |
| 278 | Key: setMember{ |
| 279 | pk: key, |
| 280 | sk: member, |
| 281 | }.keyAV(c), |
| 282 | ReturnValues: dynamodb.ReturnValueAllOld, |
| 283 | TableName: aws.String(c.table), |
| 284 | }).Send(context.TODO()) |
| 285 | if err != nil { |
| 286 | return removedMembers, err |
| 287 | } |
| 288 | |
| 289 | if len(resp.Attributes) > 0 { |
| 290 | removedMembers = append(removedMembers, member) |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | return |
| 295 | } |
| 296 | |
| 297 | func (c Client) SUNION(keys ...string) (members []string, err error) { |
| 298 | memberSet := make(map[string]struct{}) |