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[SPARK-27421][SQL][2.4] Fix filter for int column and value class java.lang.String when pruning partition column #30422

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[SPARK-27421][SQL][2.4] Fix filter for int column and value class java.lang.String when pruning partition column #30422

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a97ce6a
Backport SPARK-27421
wangyum Nov 19, 2020
29ddfe9
Fix test
wangyum Nov 19, 2020
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2 changes: 1 addition & 1 deletion sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveShim.scala
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Expand Up @@ -679,7 +679,7 @@ private[client] class Shim_v0_13 extends Shim_v0_12 {
def unapply(expr: Expression): Option[Attribute] = {
expr match {
case attr: Attribute => Some(attr)
case Cast(child @ AtomicType(), dt: AtomicType, _)
case Cast(child @ IntegralType(), dt: IntegralType, _)
if Cast.canSafeCast(child.dataType.asInstanceOf[AtomicType], dt) => unapply(child)
case _ => None
}
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9 changes: 8 additions & 1 deletion sql/hive/src/test/scala/org/apache/spark/sql/hive/client/HiveClientSuite.scala
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Expand Up @@ -24,7 +24,7 @@ import org.scalatest.BeforeAndAfterAll
import org.apache.spark.sql.catalyst.catalog._
import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.types.{BooleanType, IntegerType, LongType}
import org.apache.spark.sql.types.{BooleanType, IntegerType, LongType, StringType}
import org.apache.spark.util.Utils

// TODO: Refactor this to `HivePartitionFilteringSuite`
Expand Down Expand Up @@ -258,6 +258,13 @@ class HiveClientSuite(version: String)
buildClient(new Configuration(), sharesHadoopClasses = false)
}

test("getPartitionsByFilter: chunk in ('ab', 'ba') and ((cast(ds as string)>'20170102')") {
val day = (20170101 to 20170103, 0 to 23, Seq("ab", "ba"))
testMetastorePartitionFiltering(
attr("chunk").in("ab", "ba") && (attr("ds").cast(StringType) > "20170102"),
day :: Nil)
}

private def testMetastorePartitionFiltering(
filterExpr: Expression,
expectedDs: Seq[Int],
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