Get Specific Key-Values¶
Description¶
This operation retrieves specific key-value pairs from a map.
Method¶
POST
Endpoint URL¶
Important
Make sure to replace xxxx in the domain name in the request specification below to the one assigned to your application.
https://xxxx.backendless.app/api/hive/[hive-name]/map/[key]
where:
Argument | Description |
---|---|
[hive-name] |
Name of a hive where the operation is performed. |
[key] |
Key name identifying a map. |
Request Headers¶
Content-Type:application/json
where:
Argument | Description |
---|---|
Content-Type |
Must be set to application/json . This header is mandatory. |
Request Body¶
The request body must be a JSON array containing key names. Each individual key must be a string value:
["key1", "888", "key2" ...]
Response Body¶
A JSON object containing key-value pairs retrieved from the map. Returns an empty JSON object if the specified keys do not exist.
Example¶
The example below retrieves key-value pairs specified by key names: "Oranges"
and "Apples"
from the fruits
map.
curl --location --request POST "https://xxxx.backendless.app/api/hive/groceryStore/map/fruits" \--header 'Content-Type: application/json' \--data-raw '["Oranges", "Apples"]'
where:
Argument | Description |
---|---|
groceryStore |
Name of a hive where the operation is performed. |
fruits |
Key name identifying a map. |
Response Example
{
"Oranges": 0.99,
"Apples": 1.19
}
Codeless Reference¶
where:
Argument | Description |
---|---|
hive name |
Name of a hive where the operation is performed. |
key name |
Key name identifying a map. |
object keys |
A list of key names identifying key-value pairs. |
Returns an object containing key-value pairs retrieved from the map.
Consider the following Map storage:
The example below retrieves two key-value pairs for the "Oranges"
and "Apples"
keys from the "fruits"
map.
The logic produces the following output: