A meta collection about Loops, Switches, Paths and Flow Variables in KNIME (and some ZIP files)
Start with KNIME's Flow Control Guide
https://docs.knime.com/latest/analytics_platform_flow_control_guide/
KNIME course about loops
https://www.knime.com/self-paced-course/l2-dw-knime-analytics-platform-for-data-wranglers-advanced/lesson4
@armingrudd articles about loops and flow variables
https://forum.knime.com/t/how-to-include-file-csv-writer-in-a-loop/18346/2?u=mlauber71
Nodeguide to loop examples
https://www.knime.com/nodeguide/control-structures/loops
Special loop example involving data bases
https://forum.knime.com/t/joiner-node-in-loop/11343/5?u=mlauber71
Recursive Loop
https://forum.knime.com/t/recursive-row-loop-for-sales-forecasting/12955/10?u=mlauber71
fun with URI, URL and File Paths
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_uri_url_path_fun_with?u=mlauber71
more fun with URI, URL and File Paths - work with the new Path variable format to list and move/copy files
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_uri_url_path_more_fun_with?u=mlauber71
A collection of methods to ZIP and UNZIP files with KNIME (and R)
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_r_zip_archiv/?u=mlauber71
[switch] Check if column is present and use if-switch accordingly
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_if_switch?u=mlauber71
[switch] Use Java Snippet to check if Column is there, fill a FlowVariable and then activate if switch
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_java_if_column_exists_switch?u=mlauber71
[switch] Hive - how to handle missing tables in Hive? (or any database)
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_hive_missing_table_switch?u=mlauber71
[switch] Two ways to handle combination of Flow variables from Python and If switches
https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_python_flow_variable_if_switch?u=mlauber71
use loop and the Wait node to execute a database query at fixed times
https://forum.knime.com/t/start-a-workflow-e-g-a-database-query-after-a-certain-time/30287/36?u=mlauber71
External resources
- [loop] use a very simple loop to make a forecast prediction. Also use temporary table to store information in a loop an read it back
- [switch] Two ways to handle combination of Flow variables from Python and If switches
- [switch] Hive - how to handle missing tables in Hive? (or any database)
- [switch] Use Java Snippet to check if Column is there, fill a FlowVariable and then activate if switch
- [switch] Check if column is present and use if-switch accordingly
- use loop and the Wait node to execute a database query at fixed times
- Start with KNIME's Flow Control Guide
- A collection of methods to ZIP and UNZIP files with KNIME (and R)
- more fun with URI, URL and File Paths - work with the new Path variable format to list and move/copy files
- fun with URI, URL and File Paths
- Recursive Loop
- Special loop example involving data bases
- Nodeguide to loop examples
- @armingrudd articles about loops and flow variables
- KNIME course about loops
Used extensions & nodes
All required extensions are part of the default installation of KNIME Analytics Platform version 4.3.2
No known nodes available
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