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Is it possible to create data source in one format and save the view in different format (say parquet)

Hi, I have created a data source using ADLS2 container using csv format. Using that I have created a base view. Is it possible to save the base view is parquet format after the view is created in ADLS2.0?

1 Answer

Hi, As mentioned in the [Denodo Distributed File System Custom Wrapper](https://community.denodo.com/docs/html/document/denodoconnects/7.0/Denodo%20Distributed%20File%20System%20Custom%20Wrapper%20-%20User%20Manual#h.ftz4bpl2u6o0) user manual, in order to create base view over the Parquet File I will use (H)DFSParquetFileWrapper customer wrapper (class name: com.denodo.connect.hadoop.hdfs.wrapper.HDFSParquetFileWrapper). Similarly, to create base view over the csv format file, I will use (H)DFSDelimitedTextFileWrapper custom wrapper (class name: com.denodo.connect.hadoop.hdfs.wrapper.HDFSDelimitedTextFileWrapper). You can also refer to similar Q&A [here](https://community.denodo.com/answers/question/details?questionId=9064u000000CfAtAAK&Export+base+view+to+Azure+data+lake+storage), which explains in detail how to store/export the results in a Parquet file by developing custom exporter for Scheduler based on which the results can be stored in a Parquet file. In case, if you still need help and if you are a valid Support User, you may open a Support Case at the Denodo Support Site and the Support Team will help you. Hope this helps!
Denodo Team
09-12-2020 23:45:51 -0500
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