apache spark - Saving empty data frame to parquet -

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i have problem saving empty table parquet. in case schema not preserved , table cannot read afterwards. 

mydf.write.format("parquet").partitionby("part_id").save("aa")

my sql queries relying on same set of tables, , in case of table empty , therefor cannot read queries not work. way save empty table metadata ?

with best regards, michael

i have removed partitionby call , after metadata saved correctly


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