Github user kunal642 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1042#discussion_r123466861
--- Diff:
integration/spark/src/main/scala/org/apache/spark/sql/execution/command/ShowCarbonPartitionsCommand.scala
---
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.execution.command
+
+import java.util
+
+import scala.collection.JavaConverters._
+import scala.collection.mutable.ListBuffer
+
+import org.apache.spark.sql._
+import org.apache.spark.sql.catalyst.expressions.{Attribute,
AttributeReference}
+import org.apache.spark.sql.catalyst.TableIdentifier
+import org.apache.spark.sql.execution.RunnableCommand
+import org.apache.spark.sql.types._
+
+import org.apache.carbondata.common.logging.LogServiceFactory
+import org.apache.carbondata.core.metadata.schema.partition.PartitionType
+
+
+private[sql] case class ShowCarbonPartitionsCommand(
+ tableIdentifier: TableIdentifier) extends RunnableCommand {
+ val LOGGER =
LogServiceFactory.getLogService(ShowCarbonPartitionsCommand.getClass.getName)
+ var columnName = ""
+ override val output: Seq[Attribute] = Seq(
+ // Column names are based on Hive.
+ AttributeReference("ID", StringType, nullable = false,
+ new MetadataBuilder().putString("comment", "partition
id").build())(),
+ AttributeReference("Value", StringType, nullable = true,
+ new MetadataBuilder().putString("comment", "partition
value").build())()
+ )
+ override def run(sqlContext: SQLContext): Seq[Row] = {
+ val relation = CarbonEnv.get.carbonMetastore
+ .lookupRelation1(tableIdentifier)(sqlContext).
+ asInstanceOf[CarbonRelation]
+ val carbonTable = relation.tableMeta.carbonTable
+ var partitionInfo = carbonTable.getPartitionInfo(
+
carbonTable.getAbsoluteTableIdentifier.getCarbonTableIdentifier.getTableName)
+ var partitionType = partitionInfo.getPartitionType
+ var result = Seq.newBuilder[Row]
+ columnName = partitionInfo.getColumnSchemaList.get(0).getColumnName
+ LOGGER.info("partition column name:" + columnName)
+ partitionType match {
+ case PartitionType.RANGE =>
+ result.+=(RowFactory.create("0", "default"))
+ var id = 1
+ var rangeInfo = partitionInfo.getRangeInfo
+ var size = rangeInfo.size() - 1
+ for (index <- 0 to size) {
+ result.+=(RowFactory.create(id.toString(), "< " +
rangeInfo.get(index)))
--- End diff --
can we have the partitions be shown like this for range:
1<= column_name < 5
5<= column_name < 10
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