dzcxzl created SPARK-31590:
------------------------------
Summary: The filter used by Metadata-only queries should not have
Unevaluable
Key: SPARK-31590
URL: https://issues.apache.org/jira/browse/SPARK-31590
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.4.0
Reporter: dzcxzl
code:
{code:scala}
sql("set spark.sql.optimizer.metadataOnly=true")
sql("CREATE TABLE test_tbl (a INT,d STRING,h STRING) USING PARQUET
PARTITIONED BY (d ,h)")
sql("""
|INSERT OVERWRITE TABLE test_tbl PARTITION(d,h)
|SELECT 1,'2020-01-01','23'
|UNION ALL
|SELECT 2,'2020-01-02','01'
|UNION ALL
|SELECT 3,'2020-01-02','02'
""".stripMargin)
sql(
s"""
|SELECT d, MAX(h) AS h
|FROM test_tbl
|WHERE d= (
| SELECT MAX(d) AS d
| FROM test_tbl
|)
|GROUP BY d
""".stripMargin).collect()
{code}
Exception:
{code:java}
java.lang.UnsupportedOperationException: Cannot evaluate expression:
scalar-subquery#48 []
...
at
org.apache.spark.sql.execution.datasources.PartitioningAwareFileIndex.prunePartitions(PartitioningAwareFileIndex.scala:180)
{code}
optimizedPlan:
{code:java}
Aggregate [d#245], [d#245, max(h#246) AS h#243]
+- Project [d#245, h#246]
+- Filter (isnotnull(d#245) AND (d#245 = scalar-subquery#242 []))
: +- Aggregate [max(d#245) AS d#241]
: +- LocalRelation <empty>, [d#245]
+- Relation[a#244,d#245,h#246] parquet
{code}
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