Github user QiangCai commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/528#discussion_r95976060
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/hive/CarbonMetastore.scala
---
@@ -782,7 +781,49 @@ case class CarbonRelation(
nullable = true)())
}
- override val output = dimensionsAttr ++ measureAttr
+ override val output = {
+ val columns =
tableMeta.carbonTable.getCreateOrderColumn(tableMeta.carbonTable.getFactTableName)
+ .asScala
+ columns.filter(!_.isInvisible).map { column =>
+ if (column.isDimesion()) {
+ val output: DataType = column.getDataType.toString.toLowerCase
match {
+ case "array" =>
+
CarbonMetastoreTypes.toDataType(s"array<${getArrayChildren(column.getColName)}>")
+ case "struct" =>
+
CarbonMetastoreTypes.toDataType(s"struct<${getStructChildren(column.getColName)}>")
+ case dType =>
+ val dataType = addDecimalScaleAndPrecision(column, dType)
+ CarbonMetastoreTypes.toDataType(dataType)
+ }
+ AttributeReference(column.getColName, output,
+ nullable = true
+ )(qualifier = Option(tableName + "." + column.getColName))
+ } else {
+ AttributeReference(column.getColName,
CarbonMetastoreTypes.toDataType(
+ column.getDataType.toString
+ .toLowerCase match {
+ case "int" => "long"
+ case "short" => "long"
+ case "decimal" => "decimal(" +
column.getColumnSchema.getPrecision + "," + column
+ .getColumnSchema.getScale + ")"
+ case others => others
+ }
+ ),
+ nullable = true
+ )(qualifier = Option(tableName + "." + column.getColName))
+ }
+ }
+ }
+
+ def addDecimalScaleAndPrecision(dimval: CarbonColumn, dataType: String):
String = {
+ var dType = dataType
+ if (dimval.getDataType
+ ==
org.apache.carbondata.core.carbon.metadata.datatype.DataType.DECIMAL) {
--- End diff --
fixed
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