[
https://issues.apache.org/jira/browse/CARBONDATA-3902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Indhumathi Muthumurugesh updated CARBONDATA-3902:
-------------------------------------------------
Description:
Steps to Reproduce Issue :
import scala.collection.JavaConverters._import java.sql.Dateimport
org.apache.spark.sql._import org.apache.spark.sql.CarbonSession._import
org.apache.spark.sql.catalyst.TableIdentifierimport
org.apache.spark.sql.execution.command.mutation.merge.\{CarbonMergeDataSetCommand,
DeleteAction, InsertAction, InsertInHistoryTableAction, MergeDataSetMatches,
MergeMatch, UpdateAction, WhenMatched, WhenNotMatched,
WhenNotMatchedAndExistsOnlyOnTarget}import
org.apache.spark.sql.functions._import
org.apache.spark.sql.test.util.QueryTestimport
org.apache.spark.sql.types.\{BooleanType, DateType, IntegerType, StringType,
StructField, StructType}import spark.implicits._
sql("drop table if exists target").show()
val initframe = spark.createDataFrame(Seq(
Row("a", "0"),
Row("b", "1"),
Row("c", "2"),
Row("d", "3")
).asJava, StructType(Seq(StructField("key", StringType), StructField("value",
StringType))))
initframe.write
.format("carbondata")
.option("tableName", "target")
.option("partitionColumns", "value")
.mode(SaveMode.Overwrite)
.save()
val target = spark.read.format("carbondata").option("tableName",
"target").load()var ccd =
spark.createDataFrame(Seq(
Row("a", "10", false, 0),
Row("a", null, true, 1),
Row("b", null, true, 2),
Row("c", null, true, 3),
Row("c", "20", false, 4),
Row("c", "200", false, 5),
Row("e", "100", false, 6)
).asJava,
StructType(Seq(StructField("key", StringType),
StructField("newValue", StringType),
StructField("deleted", BooleanType), StructField("time", IntegerType))))
ccd.createOrReplaceTempView("changes")
ccd = sql("SELECT key, latest.newValue as newValue, latest.deleted as deleted
FROM ( SELECT key, max(struct(time, newValue, deleted)) as latest FROM changes
GROUP BY key)")
val updateMap = Map("key" -> "B.key", "value" ->
"B.newValue").asInstanceOf[Map[Any, Any]]
val insertMap = Map("key" -> "B.key", "value" ->
"B.newValue").asInstanceOf[Map[Any, Any]]
target.as("A").merge(ccd.as("B"), "A.key=B.key").
whenMatched("B.deleted=true").
delete().execute()
> Query on partition table gives incorrect results after Delete records using
> CDC
> -------------------------------------------------------------------------------
>
> Key: CARBONDATA-3902
> URL: https://issues.apache.org/jira/browse/CARBONDATA-3902
> Project: CarbonData
> Issue Type: Bug
> Reporter: Indhumathi Muthumurugesh
> Priority: Major
>
> Steps to Reproduce Issue :
> import scala.collection.JavaConverters._import java.sql.Dateimport
> org.apache.spark.sql._import org.apache.spark.sql.CarbonSession._import
> org.apache.spark.sql.catalyst.TableIdentifierimport
> org.apache.spark.sql.execution.command.mutation.merge.\{CarbonMergeDataSetCommand,
> DeleteAction, InsertAction, InsertInHistoryTableAction, MergeDataSetMatches,
> MergeMatch, UpdateAction, WhenMatched, WhenNotMatched,
> WhenNotMatchedAndExistsOnlyOnTarget}import
> org.apache.spark.sql.functions._import
> org.apache.spark.sql.test.util.QueryTestimport
> org.apache.spark.sql.types.\{BooleanType, DateType, IntegerType, StringType,
> StructField, StructType}import spark.implicits._
>
> sql("drop table if exists target").show()
> val initframe = spark.createDataFrame(Seq(
> Row("a", "0"),
> Row("b", "1"),
> Row("c", "2"),
> Row("d", "3")
> ).asJava, StructType(Seq(StructField("key", StringType), StructField("value",
> StringType))))
> initframe.write
> .format("carbondata")
> .option("tableName", "target")
> .option("partitionColumns", "value")
> .mode(SaveMode.Overwrite)
> .save()
>
> val target = spark.read.format("carbondata").option("tableName",
> "target").load()var ccd =
> spark.createDataFrame(Seq(
> Row("a", "10", false, 0),
> Row("a", null, true, 1),
> Row("b", null, true, 2),
> Row("c", null, true, 3),
> Row("c", "20", false, 4),
> Row("c", "200", false, 5),
> Row("e", "100", false, 6)
> ).asJava,
> StructType(Seq(StructField("key", StringType),
> StructField("newValue", StringType),
> StructField("deleted", BooleanType), StructField("time", IntegerType))))
>
> ccd.createOrReplaceTempView("changes")
> ccd = sql("SELECT key, latest.newValue as newValue, latest.deleted as deleted
> FROM ( SELECT key, max(struct(time, newValue, deleted)) as latest FROM
> changes GROUP BY key)")
> val updateMap = Map("key" -> "B.key", "value" ->
> "B.newValue").asInstanceOf[Map[Any, Any]]
> val insertMap = Map("key" -> "B.key", "value" ->
> "B.newValue").asInstanceOf[Map[Any, Any]]
> target.as("A").merge(ccd.as("B"), "A.key=B.key").
> whenMatched("B.deleted=true").
> delete().execute()
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