| /* |
| * 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.carbondata.restructure.vectorreader |
| |
| import org.apache.spark.sql.Row |
| import org.apache.spark.sql.common.util.Spark2QueryTest |
| import org.scalatest.BeforeAndAfterAll |
| |
| import org.apache.carbondata.spark.exception.ProcessMetaDataException |
| |
| class DropColumnTestCases extends Spark2QueryTest with BeforeAndAfterAll { |
| |
| override def beforeAll { |
| sql("DROP TABLE IF EXISTS dropcolumntest") |
| sql("DROP TABLE IF EXISTS hivetable") |
| } |
| |
| test("test drop column and insert into hive table") { |
| def test_drop_and_insert() = { |
| beforeAll |
| sql( |
| "CREATE TABLE dropcolumntest(intField INT,stringField STRING,charField STRING," + |
| "timestampField TIMESTAMP,decimalField DECIMAL(6,2)) STORED BY 'carbondata'") |
| sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/restructure/data1.csv' INTO TABLE dropcolumntest" |
| + s" OPTIONS('FILEHEADER'='intField,stringField,charField,timestampField,decimalField')") |
| sql("ALTER TABLE dropcolumntest DROP COLUMNS(charField)") |
| sql( |
| "CREATE TABLE hivetable(intField INT,stringField STRING,timestampField TIMESTAMP," + |
| "decimalField DECIMAL(6,2)) STORED AS PARQUET") |
| sql("INSERT INTO TABLE hivetable SELECT * FROM dropcolumntest") |
| checkAnswer(sql("SELECT * FROM hivetable"), sql("SELECT * FROM dropcolumntest")) |
| afterAll |
| } |
| sqlContext.setConf("carbon.enable.vector.reader", "true") |
| test_drop_and_insert() |
| sqlContext.setConf("carbon.enable.vector.reader", "false") |
| test_drop_and_insert() |
| } |
| |
| test("test drop column and load data") { |
| def test_drop_and_load() = { |
| beforeAll |
| sql( |
| "CREATE TABLE dropcolumntest(intField INT,stringField STRING,charField STRING," + |
| "timestampField TIMESTAMP,decimalField DECIMAL(6,2)) STORED BY 'carbondata'") |
| sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/restructure/data1.csv' INTO TABLE dropcolumntest" |
| + s" OPTIONS('FILEHEADER'='intField,stringField,charField,timestampField,decimalField')") |
| sql("ALTER TABLE dropcolumntest DROP COLUMNS(charField)") |
| sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/restructure/data4.csv' INTO TABLE dropcolumntest" |
| + s" OPTIONS('FILEHEADER'='intField,stringField,timestampField,decimalField')") |
| checkAnswer(sql("SELECT count(*) FROM dropcolumntest"), Row(2)) |
| afterAll |
| } |
| sqlContext.setConf("carbon.enable.vector.reader", "true") |
| test_drop_and_load |
| sqlContext.setConf("carbon.enable.vector.reader", "false") |
| test_drop_and_load |
| |
| } |
| |
| test("test drop column and compaction") { |
| def test_drop_and_compaction() = { |
| beforeAll |
| sql( |
| "CREATE TABLE dropcolumntest(intField INT,stringField STRING,charField STRING," + |
| "timestampField TIMESTAMP,decimalField DECIMAL(6,2)) STORED BY 'carbondata'") |
| sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/restructure/data1.csv' INTO TABLE dropcolumntest" |
| + s" OPTIONS('FILEHEADER'='intField,stringField,charField,timestampField,decimalField')") |
| sql("ALTER TABLE dropcolumntest DROP COLUMNS(charField)") |
| sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/restructure/data4.csv' INTO TABLE dropcolumntest" |
| + s" OPTIONS('FILEHEADER'='intField,stringField,timestampField,decimalField')") |
| sql("ALTER TABLE dropcolumntest COMPACT 'major'") |
| checkExistence(sql("SHOW SEGMENTS FOR TABLE dropcolumntest"), true, "0 Compacted") |
| checkExistence(sql("SHOW SEGMENTS FOR TABLE dropcolumntest"), true, "1 Compacted") |
| checkExistence(sql("SHOW SEGMENTS FOR TABLE dropcolumntest"), true, "0.1 Success") |
| afterAll |
| } |
| sqlContext.setConf("carbon.enable.vector.reader", "true") |
| test_drop_and_compaction() |
| sqlContext.setConf("carbon.enable.vector.reader", "false") |
| test_drop_and_compaction() |
| } |
| |
| test("test dropping of complex column should throw exception") { |
| sql("drop table if exists maintbl") |
| sql("create table maintbl (a string, b string, c struct<si:int>) stored by 'carbondata'") |
| assert(intercept[ProcessMetaDataException] { |
| sql("alter table maintbl drop columns(b,c)").show |
| }.getMessage.contains("Complex column cannot be dropped")) |
| sql("drop table if exists maintbl") |
| } |
| |
| override def afterAll { |
| sql("DROP TABLE IF EXISTS dropcolumntest") |
| sql("DROP TABLE IF EXISTS hivetable") |
| sqlContext.setConf("carbon.enable.vector.reader", "false") |
| } |
| } |