The node takes the XML Documents of the selected column and
performs XPath queries on them. The node supports XPath 1.0.
XPath Syntax
Selection Nodes
| Expression | Description |
|---|---|
| nodename | Selects all nodes with the name "nodename" |
| / | Selects from the root node. |
| // | Selects nodes in the document from the current node that match the selection no matter where they are |
| . | Selects the current node |
| .. | Selects the parent of the current node |
| @ | Selects attributes |
Predicates
| Path Expression | Result |
|---|---|
| /bookstore/book[1] | Selects the first book element that is the child of the bookstore element. |
| /bookstore/book[last()] | Selects the last book element that is the child of the bookstore element |
| /bookstore/book[last()-1] | Selects the last but one book element that is the child of the bookstore element |
| /bookstore/book[position()<3] | Selects the first two book elements that are children of the bookstore element |
| //title[@lang] | Selects all the title elements that have an attribute named lang |
| //title[@lang='en'] | Selects all the title elements that have a "lang" attribute with a value of "en" |
| /bookstore/book[price>35.00] | Selects all the book elements of the bookstore element that have a price element with a value greater than 35.00 |
| /bookstore/book[price>35.00]/title | Selects all the title elements of the book elements of the bookstore element that have a price element with a value greater than 35.00 |
Syntax description from w3cschools.com.
Hint for streaming: Node can only be executed in real streamed fashion if every single XPath query is configured as follow (see XPath Query Settings):
The column names are fixed (i.e. select 'new column name') and either 'Single Cell', 'Collection Cell', or 'Multiple Rows' are selected as 'Multiple tag option'.
Options
Settings
Namespace
Views
- This node has no views
Workflows
(3D) Fragment library design workflowKNIME Hub- 00_Visual_Analysis_of_Sales_Data(2)KNIME Forum
- 01_Basic_XML_processing_with_XPathKNIME Hub
- 01_Basic_XML_processing_with_XPathNodePit Space
- 01_Clustering_the_Social_CommunityKNIME Hub
- Show all 510 workflows
Links
- JSON to Tableby armingrudd on 2019-04-24forum.knime.com/p/59303
- Json Path Understandingby armingrudd on 2019-06-18forum.knime.com/p/62465
- Postman & HMAC Workflowby AnotherFraudUser on 2021-12-24forum.knime.com/p/142938
- Increase date by loopingby armingrudd on 2019-11-27forum.knime.com/p/75620
- How to insert data tables from web pages?by qqilihq on 2021-11-17forum.knime.com/p/139613
- Show all 17 links
Developers
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