Dongjoon Hyun created SPARK-21884:
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Summary: Fix StackOverflowError on MetadataOnlyQuery
Key: SPARK-21884
URL: https://issues.apache.org/jira/browse/SPARK-21884
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Dongjoon Hyun
{code}
scala> spark.version
res0: String = 2.2.0
scala> sql("CREATE TABLE t_1000 (a INT, p INT) USING PARQUET PARTITIONED BY
(p)")
res1: org.apache.spark.sql.DataFrame = []
scala> (1 to 1000).foreach(p => sql(s"ALTER TABLE t_1000 ADD PARTITION (p=$p)"))
scala> sql("SELECT COUNT(DISTINCT p) FROM t_1000").collect
java.lang.StackOverflowError
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1522)
{code}
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