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: