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04_​Incremental_​Indexing

Incremental indexing data tables
This workflow demonstrates how a table index can be reused in the Table Indexernode to incrementally add new entries to an already existing index. The optional tableindex input port can be added via the dynamic port menu (three dots on the node icon). search for male customerswhere the first name starts with A, B or Cand the last name does not start with A, B or Cage is between 20 and 40 yearslives in the postcode area between 30000 and 40000 (Germany)Simulate data deltasRead existingindexIncremental add new customer data for searchingto existing index100kcustomerUpdateindexCreate empty indexWrite emptyindex and createpath variable Index Query Chunk Loop Start Index Reader Variable Loop End Index Reader Table Indexer File Reader Index Writer Empty Table Creator Table Indexer Index Writer This workflow demonstrates how a table index can be reused in the Table Indexernode to incrementally add new entries to an already existing index. The optional tableindex input port can be added via the dynamic port menu (three dots on the node icon). search for male customerswhere the first name starts with A, B or Cand the last name does not start with A, B or Cage is between 20 and 40 yearslives in the postcode area between 30000 and 40000 (Germany)Simulate data deltasRead existingindexIncremental add new customer data for searchingto existing index100kcustomerUpdateindexCreate empty indexWrite emptyindex and createpath variableIndex Query Chunk Loop Start Index Reader Variable Loop End Index Reader Table Indexer File Reader Index Writer Empty Table Creator Table Indexer Index Writer

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On NodePit since: 2021-03-11
Last update: 2024-04-18
Created with KNIME version: v4.3.2
Tags: ETLqueryadvanced query

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