columnsToJsonV2
Create a JSON column from a list of columns
Given multiple columns, create a single JSON column from them. The JSON object can then be manipulated by standard Spark UDFs, such as get_json_object(), in the LQL.
Operator Usage in Easy Mode
- Click + on the parent node.
 - Enter Columns to JSON V2 operator in the search field and select the operator from the Results to open the operator form.
 - In the Input Table drop-down, enter or select the table containing the data to run this operator on.
 - Optional. In the List of Columns, click Add More to add a list of columns to create a JSON column.
 - Click Run to view the result.
 - Click Save to add the operator to the playbook.
 - Click Cancel to discard the operator form.
 
Usage Details
columnsToJsonV2(table, columns)
table: Table name
columns: Comma-separated list of columns, such as "col1 as int", "col2", "col3 as json", "col4 as double"
Example
Input
table
| score | sources | 
|---|---|
| 3.5 | ["VirusTotal", "Zscaler"] | 
columnsToJsonV2(table, "score as double", "sources as json")
Output
jsonColumnsTable
| score | sources | lhub_json_column | 
|---|---|---|
| 3.5 | ["VirusTotal", "Zscaler"] | {"score": 3.5, "sources": ["VirusTotal", "Zscaler"]} | 
The json-field can then be extracted from LQL, for example:
SELECT get_json_object(lhub_json_column, "$.sources[0]") AS source FROM jsonColumnsTable
Updated about 2 years ago