Rename Key¶
Description¶
This operation renames a key. The corresponding value is not impacted. After the operation is complete, the value is available with the new key name.
Method¶
Backendless.Hive(hiveName).[bucketType](keyName).rename(newKeyName, overwrite): Promise<void>;
where:
Argument | Description |
---|---|
hiveName |
Name of a hive where the operation is performed. String value. |
[bucketType] |
This placeholder must be substituted with one of the following stores types: KeyValueStore , ListStore , MapStore , SetStore , SortedSetStore . |
keyName |
Key name to rename. String value. |
newKeyName |
New name for the key. String value. |
overwrite |
When set to true , forces the rename operation and name overwrite if newKeyName already exists in the store.Defaults to true . Boolean value. |
Return Value¶
true
if the specified key is renamed. Otherwise returns false
.
If the specified key does not exist, then the following Backendless error is returned:
{
"code": 27003,
"message": "no such key",
"errorData": {}
}
Example¶
The example below renames the 'fruits'
key to 'fruitsAndBerries'
.
await Backendless.Hive('groceryStore').ListStore('fruits').rename('fruitsAndBerries')
where:
Argument | Description |
---|---|
'groceryStore' |
Name of a hive where the operation is performed. |
'fruits' |
Key name to rename |
'fruitsAndBerries' |
New key name in the store. |
Codeless Reference
¶
where:
Argument | Description |
---|---|
hive name |
Name of a hive where the operation is performed. |
type |
Storage type, can be one of the following: Key / Value, Sorted Set, Set, Map, List. |
key name |
Key name to rename. |
new name |
New name to assign to a key. |
overwrite |
When set to true , forces the rename operation and name overwrite if [new-name] already exists in the store. Defaults to true . |
Returns true
if the specified key is renamed. Otherwise, returns false
.
Consider the following Key Value storage:
The following example renames the "Japan"
key in the storage:
Once the operation is performed, the storage will have the data as shown below: