FouadApp commented on PR #32679:
URL: https://github.com/apache/spark/pull/32679#issuecomment-1303780636
I have the same problem:
With the TEZ engine writing data in the presence of union all:
part_date=xxxx/HIVE_UNION_SUBDIR_1/part_000 (parquet)
part_date=xxxx/HIVE_UNION_SUBDIR_2
part_date=xxxx/HIVE_UNION_SUBDIR_x
when I run a query on this data
df = spark.sql("select * from table")
df.count() ---> 0
Spark cannot read the subdir !
I have a solution biut is not recommmended
spark.conf.set("mapred.input.dir.recursive", "true")
spark.conf.set("mapreduce.input.fileinputformat.input.dir.recursive",
"true")
spark.conf.set("spark.sql.hive.convertMetastoreParquet", "false") # This
param is not recommended in Spark
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