| /* |
| * 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.carbondata.spark.testsuite.createTable |
| |
| import java.io.File |
| |
| import org.apache.spark.sql.{AnalysisException, CarbonEnv} |
| import org.apache.spark.sql.test.util.QueryTest |
| import org.scalatest.BeforeAndAfterAll |
| |
| import org.apache.carbondata.core.constants.CarbonCommonConstants |
| import org.apache.carbondata.core.util.CarbonProperties |
| |
| class TestCreateExternalTable extends QueryTest with BeforeAndAfterAll { |
| |
| var originDataPath: String = _ |
| |
| override def beforeAll(): Unit = { |
| sql("DROP TABLE IF EXISTS origin") |
| sql("drop table IF EXISTS rsext") |
| sql("drop table IF EXISTS rstest1") |
| // create carbon table and insert data |
| sql("CREATE TABLE origin(key INT, value STRING) STORED BY 'carbondata'") |
| sql("INSERT INTO origin select 100,'spark'") |
| sql("INSERT INTO origin select 200,'hive'") |
| originDataPath = s"$storeLocation/origin" |
| } |
| |
| override def afterAll(): Unit = { |
| sql("DROP TABLE IF EXISTS origin") |
| sql("drop table IF EXISTS rsext") |
| sql("drop table IF EXISTS rstest1") |
| } |
| |
| test("create external table with existing files") { |
| assert(new File(originDataPath).exists()) |
| sql("DROP TABLE IF EXISTS source") |
| if (System |
| .getProperty(CarbonCommonConstants.ENABLE_HIVE_SCHEMA_META_STORE, |
| CarbonCommonConstants.ENABLE_HIVE_SCHEMA_META_STORE_DEFAULT).equalsIgnoreCase("true") || |
| CarbonProperties.getInstance() |
| .getProperty(CarbonCommonConstants.ENABLE_HIVE_SCHEMA_META_STORE, |
| CarbonCommonConstants.ENABLE_HIVE_SCHEMA_META_STORE_DEFAULT).equalsIgnoreCase("true")) { |
| |
| intercept[Exception] { |
| // create external table with existing files |
| sql( |
| s""" |
| |CREATE EXTERNAL TABLE source |
| |STORED BY 'carbondata' |
| |LOCATION '$storeLocation/origin' |
| """.stripMargin) |
| } |
| } else { |
| |
| // create external table with existing files |
| sql( |
| s""" |
| |CREATE EXTERNAL TABLE source |
| |STORED BY 'carbondata' |
| |LOCATION '$storeLocation/origin' |
| """.stripMargin) |
| checkAnswer(sql("SELECT count(*) from source"), sql("SELECT count(*) from origin")) |
| |
| checkExistence(sql("describe formatted source"), true, storeLocation + "/origin") |
| |
| val carbonTable = CarbonEnv.getCarbonTable(None, "source")(sqlContext.sparkSession) |
| assert(carbonTable.isExternalTable) |
| |
| sql("DROP TABLE IF EXISTS source") |
| |
| // DROP TABLE should not delete data |
| assert(new File(originDataPath).exists()) |
| |
| } |
| } |
| |
| test("create external table with specified schema") { |
| assert(new File(originDataPath).exists()) |
| sql("DROP TABLE IF EXISTS source") |
| val ex = intercept[AnalysisException] { |
| sql( |
| s""" |
| |CREATE EXTERNAL TABLE source (key INT) |
| |STORED BY 'carbondata' |
| |LOCATION '$storeLocation/origin' |
| """.stripMargin) |
| } |
| assert(ex.message.contains("Schema must not be specified for external table")) |
| |
| sql("DROP TABLE IF EXISTS source") |
| |
| // DROP TABLE should not delete data |
| assert(new File(originDataPath).exists()) |
| } |
| |
| test("create external table with empty folder") { |
| val exception = intercept[AnalysisException] { |
| sql( |
| s""" |
| |CREATE EXTERNAL TABLE source |
| |STORED BY 'carbondata' |
| |LOCATION './nothing' |
| """.stripMargin) |
| } |
| assert(exception.getMessage().contains("Invalid table path provided")) |
| } |
| |
| test("create external table with CTAS") { |
| val exception = intercept[AnalysisException] { |
| sql( |
| """ |
| |CREATE EXTERNAL TABLE source |
| |STORED BY 'carbondata' |
| |LOCATION './nothing' |
| |AS |
| | SELECT * FROM origin |
| """.stripMargin) |
| } |
| assert(exception.getMessage().contains("Create external table as select")) |
| } |
| test("create external table with post schema resturcture") { |
| sql("create table rstest1 (c1 string,c2 int) STORED BY 'org.apache.carbondata.format'") |
| sql("Alter table rstest1 drop columns(c2)") |
| sql( |
| "Alter table rstest1 add columns(c4 string) TBLPROPERTIES('DICTIONARY_EXCLUDE'='c4', " + |
| "'DEFAULT.VALUE.c4'='def')") |
| sql(s"""CREATE EXTERNAL TABLE rsext STORED BY 'carbondata' LOCATION '$storeLocation/rstest1'""") |
| sql("insert into rsext select 'shahid', 1") |
| checkAnswer(sql("select * from rstest1"), sql("select * from rsext")) |
| } |
| |
| } |