| /* |
| * 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.management |
| |
| import org.apache.spark.sql.{CarbonEnv, Row, SparkSession} |
| import org.apache.spark.sql.catalyst.expressions.{Attribute, AttributeReference} |
| import org.apache.spark.sql.execution.command.{Checker, DataCommand} |
| import org.apache.spark.sql.types.StringType |
| |
| import org.apache.carbondata.api.CarbonStore |
| import org.apache.carbondata.common.exceptions.sql.MalformedCarbonCommandException |
| |
| case class CarbonShowLoadsCommand( |
| databaseNameOp: Option[String], |
| tableName: String, |
| limit: Option[String], |
| showHistory: Boolean = false) |
| extends DataCommand { |
| |
| // add new columns of show segments at last |
| override def output: Seq[Attribute] = { |
| if (showHistory) { |
| Seq(AttributeReference("SegmentSequenceId", StringType, nullable = false)(), |
| AttributeReference("Status", StringType, nullable = false)(), |
| AttributeReference("Load Start Time", StringType, nullable = false)(), |
| AttributeReference("Load End Time", StringType, nullable = true)(), |
| AttributeReference("Merged To", StringType, nullable = false)(), |
| AttributeReference("File Format", StringType, nullable = false)(), |
| AttributeReference("Visibility", StringType, nullable = false)(), |
| AttributeReference("Data Size", StringType, nullable = false)(), |
| AttributeReference("Index Size", StringType, nullable = false)(), |
| AttributeReference("Path", StringType, nullable = false)()) |
| } else { |
| Seq(AttributeReference("SegmentSequenceId", StringType, nullable = false)(), |
| AttributeReference("Status", StringType, nullable = false)(), |
| AttributeReference("Load Start Time", StringType, nullable = false)(), |
| AttributeReference("Load End Time", StringType, nullable = true)(), |
| AttributeReference("Merged To", StringType, nullable = false)(), |
| AttributeReference("File Format", StringType, nullable = false)(), |
| AttributeReference("Data Size", StringType, nullable = false)(), |
| AttributeReference("Index Size", StringType, nullable = false)(), |
| AttributeReference("Path", StringType, nullable = false)()) |
| } |
| } |
| |
| override def processData(sparkSession: SparkSession): Seq[Row] = { |
| Checker.validateTableExists(databaseNameOp, tableName, sparkSession) |
| val carbonTable = CarbonEnv.getCarbonTable(databaseNameOp, tableName)(sparkSession) |
| setAuditTable(carbonTable) |
| if (!carbonTable.getTableInfo.isTransactionalTable) { |
| throw new MalformedCarbonCommandException("Unsupported operation on non transactional table") |
| } |
| CarbonStore.showSegments( |
| limit, |
| carbonTable.getTablePath, |
| showHistory |
| ) |
| } |
| |
| override protected def opName: String = "SHOW SEGMENTS" |
| } |