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ORC Reader
StreamableKNIME BigData File Format Extension version 4.0.0.v201908130905 by KNIME AG, Zurich, Switzerland
Reader for ORC files. It reads either single files or all files in a given directory. Does support all ORC types except map, struct and union.
Options
- Input
- The file or directory to read.
Input Type Mapping
Change the ORC to KNIME type mapping configuration for subsequent nodes by selecting a KNIME type to the given ORC Type. The dialog allows you to add new or change existing type mapping rules.
- Mapping by Name
- Columns that match the given name (or regular expression) and ORC type will be mapped to the specified KNIME type.
- Mapping by Type
- Columns that match the given ORC type will be mapped to the specified KNIME type.
Input Ports
Output Ports
Best Friends (Incoming)
- ORC Writer (36 %) Streamable
- Table Row to Variable (9 %)
- List Files (9 %)
- HDFS Connection (9 %)
- Create Local Big Data Environment (9 %)
- Spark to ORC (9 %)
- Amazon S3 Connection (9 %)
- Azure Blob Store File Picker (9 %)
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Best Friends (Outgoing)
- Table Difference Checker (15 %)
- Upload (8 %)
- Read Images (8 %)
- Loop End (8 %)
- Chunk Loop Start (8 %)
- Column Filter (8 %) Streamable
- Row Filter (8 %) Streamable
- GroupBy (8 %)
- Row Sampling (8 %)
- Extract Table Spec (8 %)
- Create Local Big Data Environment (8 %)
- Table to Spark (8 %) Streamable
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Installation
To use this node in KNIME, install KNIME Extension for Big Data File Formats from the following update site:
KNIME 4.0
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Developers
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