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JSON Column Combiner

StreamableJSON related functionality for KNIME version 4.2.1.v202008251158 by KNIME AG, Zurich, Switzerland

Combines JSON values to a single JSON value (an array optionally wrapped in an object) for each row.
Example configuration:
input table:

SRV
2[1]"S"
3{"a":2}{"T": null}
Selected JSON columns: R and V
Data bound key: S (String)
Results:
{"2": [[1], "S"]}
{"3": [{"a": 2}, {"T": null}]}

Options

Settings

New column name
Name of the new JSON column
Omit root key
The array of JSON values selected (Selected JSON columns) will be returned without any other tags.
Custom key
The constant key for the array of JSON values selected (Selected JSON columns).
Data bound key
The column name, whose values become the key for the array of JSON values selected (Selected JSON columns).
Selected JSON columns
The included columns will be combined to a new JSON value for each row.
Remove source columns
When checked, the included columns and the data bound key/value columns will be removed from the resulting table.

Input Ports

Icon
Table with JSON column(s)

Output Ports

Icon
Table with the combined JSON column

Best Friends (Incoming)

Best Friends (Outgoing)

Workflows

Installation

To use this node in KNIME, install KNIME JSON-Processing from the following update site:

KNIME 4.2

A zipped version of the software site can be downloaded here. Read our FAQs to get instructions about how to install nodes from a zipped update site.

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