Github user QiangCai commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/849#discussion_r114125190
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/CarbonDatasourceHadoopRelation.scala
---
@@ -75,4 +75,16 @@ case class CarbonDatasourceHadoopRelation(
", " + "Table name :" + carbonTable.getFactTableName + ", Schema :" +
tableSchema + " ]"
}
+ override def insert(data: DataFrame, overwrite: Boolean): Unit = {
+ if (carbonRelation.output.size >
CarbonCommonConstants.DEFAULT_MAX_NUMBER_OF_COLUMNS) {
+ sys.error("Maximum supported column by carbon is: " +
+ CarbonCommonConstants.DEFAULT_MAX_NUMBER_OF_COLUMNS)
+ }
+ if(data.logicalPlan.output.size >= carbonRelation.output.size) {
--- End diff --
for different schema, need convert column datatype.
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