Delete Values¶
Description¶
This operation deletes specific elements from the set.
Method¶
Delete One Value
Backendless.Hive(hiveName).SetStore(keyName).deleteValue(value): Promise<number>;
Delete Multiple Values
Backendless.Hive(hiveName).SetStore(keyName).deleteValues(values[]): Promise<number>;
where:
Argument | Description |
---|---|
hiveName |
Name of a hive where the operation is performed. String value. |
keyName |
Key name identifying a set. String value. |
value |
A value that must be deleted from the set. Can be of any JavaScript data type. |
values[] |
An array values that must be deleted from the set. Values can be of any JavaScript data type. |
Return Value¶
The number of deleted values.
Examples¶
Delete One Value
The example below deletes one item 'Crossover'
from the 'cars'
set.
await Backendless.Hive('transport').SetStore('cars').deleteValue('Crossover')
where:
Argument | Description |
---|---|
'transport' |
Name of a hive where the operation is performed. |
'cars' |
Key name identifying a set. |
Delete Multiple Values
The example below deletes two values '``Sedan``'
and 'Crossover'
from the 'cars'
set.
await Backendless.Hive('transport').SetStore('cars').deleteValues(['Sedan', 'Crossover'])
where:
Argument | Description |
---|---|
'transport' |
Name of a hive where the operation is performed. |
'cars' |
Key name identifying a set. |
Codeless Reference
¶
where:
Argument | Description |
---|---|
hive name |
Name of a hive where the operation is performed. |
key name |
Key name identifying a set. |
items |
A list of items that must be deleted from the set. |
Returns the number of deleted values.
Consider the following Set storage:
The example below deletes two items "Sedan"
and "Crossover"
from the "cars"
set:
The set will look as shown below after the Codeless logic runs: