It works by computing the enclosing type and promoting it Produces a schema that encompasses all of the records in all of theĭocuments. The JSON Schema discovery tool processes a set of JSON documents and h,-help Print help -n,-lines Sets lines of data to be printed Java JSON Schema The fieldnames and a JSON representation that depends on the field’s type. Record is printed as a JSON object on a line.

The data command prints the data in an ORC file as a JSON document. The count command recursively find *.orc and print the number of rows. The automatic JSON schema discovery is equivalent to the json-schema tool S,-separator Sets CSV separator character -t,-timestampformat Sets timestamp Format By default, the schema is automatically discovered. e,-escape Sets CSV escape character -h,-help Print help -H,-header Sets CSV header lines -n,-null Sets CSV null string -o,-output Sets the output ORC filename, which defaults to output.orc -O,-overwrite If the file already exists, it will be overwritten -q,-quote Sets CSV quote character -s,-schema Sets the schema for the ORC file. b,-bloomFilterColumns Comma separated values of column names for which bloom filter is to be created.īy default, no bloom filters will be created. The convert command reads several JSON/CSV files and converts them into a

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