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[SPARK-21790][TESTS][FOLLOW-UP] Add filter pushdown verification back. #19002

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[SPARK-21790][TESTS][FOLLOW-UP] Add filter pushdown verification back. #19002

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2b45129
Get metadata from RowDataSourceScanExec
wangyum Aug 20, 2017
71182dd
Remove unused import
wangyum Aug 20, 2017
da88a85
Fix typo.
wangyum Aug 20, 2017
b24aedf
isDefined instead of ne(None).
wangyum Aug 21, 2017
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13 changes: 13 additions & 0 deletions ...r-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ import java.util.Properties
import java.math.BigDecimal

import org.apache.spark.sql.Row
import org.apache.spark.sql.execution.{WholeStageCodegenExec, RowDataSourceScanExec}
import org.apache.spark.sql.test.SharedSQLContext
import org.apache.spark.sql.types._
import org.apache.spark.tags.DockerTest
Expand Down Expand Up @@ -255,6 +256,18 @@ class OracleIntegrationSuite extends DockerJDBCIntegrationSuite with SharedSQLCo
val df = dfRead.filter(dfRead.col("date_type").lt(dt))
.filter(dfRead.col("timestamp_type").lt(ts))

val parentPlan = df.queryExecution.executedPlan
assert(parentPlan.isInstanceOf[WholeStageCodegenExec])
val node = parentPlan.asInstanceOf[WholeStageCodegenExec]
val metadata = node.child.asInstanceOf[RowDataSourceScanExec].metadata
// The "PushedFilters" part should exist in Dataframe's
// physical plan and the existence of right literals in
// "PushedFilters" is used to prove that the predicates
// pushing down have been effective.
assert(metadata.get("PushedFilters").isDefined)
assert(metadata("PushedFilters").contains(dt.toString))
assert(metadata("PushedFilters").contains(ts.toString))

val row = df.collect()(0)
assert(row.getDate(0).equals(dateVal))
assert(row.getTimestamp(1).equals(timestampVal))
Expand Down