03_Flow_Variables
This directory contains 8 workflows.
01_Using_Flow_Variables_for_the_Time_Range
This workflows shows an example of filtering data with flow variables that indicate date and time values. The start and end date are defined as global flow […]
02_Using_Flow_Variables_to_control_Execution_Order
In this workflow, the data are first written into a temporary (in-memory) SQLite database and then read into KNIME. In order to control the execution order […]
03_Create_and_Consume_Flow_Vars
This workflow extracts data for a given country, aggregates it, and renames the aggregated column to the country name. The country name as a flow variable […]
04_Extract_Data_for_Highest_Sale_Country
It is easy to find the country with the highest number of sold items with: - a GroupBy node to calculate the number of sold items by country; - then a […]
05_Modified Variables Propagation in GET Request Captured in Try Catch
The workflow sends a GET request inside of a Try & Catch construction. The flow variable totalItems containing the total number of books available on Google […]
06_Modified Variables Propagation in GET Request Loop
This workflow demostrates the use of the option "Propagate modified loop variables" available in Loop End nodes. The workflow repeats sending GET requests […]
07_Modified Variables Propagation in GET Request Nested Loop
This workflow demostrates the use of the option "Propagate modified loop variables" available in Loop End nodes. Given a list of search terms, the workflow […]
Variable Filter Example
<p>The Variable Row Filter is essential when working with many flow variables in a large workflow. It keeps the flow variables "traveling" through the […]