Jun 24, 2021 — A (java) read schema. Useful for optimizing read operation on nested data. ... Optional arguments; currently unused. Details.
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spark-read-orc-with-schema
Accessing ORC in Spark ... Spark's ORC data source supports complex data types (such as array, map, and struct), and provides read and write access to ORC .... Sep 9, 2019 — STRING()); Dataset csvDataSet = spark.read().json(stringDataSet); log.info("Inserted json conversion schema and value"); csvDataSet.. Use the following steps to access ORC files from Apache Spark. ... columns name and age at runtime, without reading the contacts column from the file system. 939c2ea5af
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