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kn_​example_​java_​rowid_​id

Handle RowIDs when using Joins
// create a new string variableString combined_id = "";// capture a possible problem with null values - if not the code might crash// https://www.dummies.com/article/technology/programming-web-design/java/and-operators-and-in-java-172137if($rnd25_new_id$ == null && $top25_new_id$ == null) { return "missing";}else if ($rnd25_new_id$ == null && $top25_new_id$ != null) {return $top25_new_id$;}else if ($top25_new_id$ == null && $rnd25_new_id$ != null) {return $rnd25_new_id$;}else if ($top25_new_id$ != null && $rnd25_new_id$ != null) {return $top25_new_id$;}else {return $$ROWID$$;} Handle RowIDs when using Joins Node 1return $$ROWID$$;RowID as new_idRandom 25%TOP 25%inner jointop25_$1rnd25_$1left joincombined_id=> insert Missings as Nullcombined_idas RowIDrnd25_new_idas RowIDCounter as RowID Data Generator Java Snippet(simple) Partitioning Partitioning Joiner Column Rename(Regex) Column Rename(Regex) Joiner Java Snippet(simple) RowID RowID Counter Generation RowID // create a new string variableString combined_id = "";// capture a possible problem with null values - if not the code might crash// https://www.dummies.com/article/technology/programming-web-design/java/and-operators-and-in-java-172137if($rnd25_new_id$ == null && $top25_new_id$ == null) { return "missing";}else if ($rnd25_new_id$ == null && $top25_new_id$ != null) {return $top25_new_id$;}else if ($top25_new_id$ == null && $rnd25_new_id$ != null) {return $rnd25_new_id$;}else if ($top25_new_id$ != null && $rnd25_new_id$ != null) {return $top25_new_id$;}else {return $$ROWID$$;} Handle RowIDs when using Joins Node 1return $$ROWID$$;RowID as new_idRandom 25%TOP 25%inner jointop25_$1rnd25_$1left joincombined_id=> insert Missings as Nullcombined_idas RowIDrnd25_new_idas RowIDCounter as RowID Data Generator Java Snippet(simple) Partitioning Partitioning Joiner Column Rename(Regex) Column Rename(Regex) Joiner Java Snippet(simple) RowID RowID Counter Generation RowID

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Created by: A9699459
Created at: 2022-02-07
On NodePit since: 2022-02-11
Last update: 2024-11-21
Created with KNIME version: v4.5.1
Tags: javarowididjoin

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