()
| 229 | } |
| 230 | |
| 231 | func testZRangeByRank() { |
| 232 | if err := db.Update( |
| 233 | func(tx *nutsdb.Tx) error { |
| 234 | bucket := "myZSet1" |
| 235 | key := []byte("key1") |
| 236 | return tx.ZAdd(bucket, key, 1, []byte("val1")) |
| 237 | }); err != nil { |
| 238 | log.Fatal(err) |
| 239 | } |
| 240 | |
| 241 | if err := db.Update( |
| 242 | func(tx *nutsdb.Tx) error { |
| 243 | bucket := "myZSet1" |
| 244 | key := []byte("key1") |
| 245 | return tx.ZAdd(bucket, key, 2, []byte("val2")) |
| 246 | }); err != nil { |
| 247 | log.Fatal(err) |
| 248 | } |
| 249 | |
| 250 | if err := db.Update( |
| 251 | func(tx *nutsdb.Tx) error { |
| 252 | bucket := "myZSet1" |
| 253 | key := []byte("key1") |
| 254 | return tx.ZAdd(bucket, key, 3, []byte("val3")) |
| 255 | }); err != nil { |
| 256 | log.Fatal(err) |
| 257 | } |
| 258 | |
| 259 | if err := db.View( |
| 260 | func(tx *nutsdb.Tx) error { |
| 261 | bucket := "myZSet1" |
| 262 | key := []byte("key1") |
| 263 | nodes, err := tx.ZRangeByRank(bucket, key, 1, 3) |
| 264 | if err != nil { |
| 265 | return err |
| 266 | } |
| 267 | for _, node := range nodes { |
| 268 | fmt.Println("item:", string(node.Value), node.Score) |
| 269 | } |
| 270 | return nil |
| 271 | }); err != nil { |
| 272 | log.Fatal(err) |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | func testZRangeByScore() { |
| 277 | if err := db.Update( |
no test coverage detected