MaxGekk commented on a change in pull request #29912: URL: https://github.com/apache/spark/pull/29912#discussion_r499389164
########## File path: external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/OracleIntegrationSuite.scala ########## @@ -0,0 +1,120 @@ +/* + * 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.jdbc.v2 + +import java.math.BigDecimal +import java.net.ServerSocket +import java.sql.{Connection, Date, Timestamp} +import java.util.{Properties, TimeZone} + +import org.scalatest.time.SpanSugar._ + +import org.apache.spark.SparkConf +import org.apache.spark.sql.{Row, SaveMode} +import org.apache.spark.sql.execution.{RowDataSourceScanExec, WholeStageCodegenExec} +import org.apache.spark.sql.execution.datasources.LogicalRelation +import org.apache.spark.sql.execution.datasources.jdbc.{JDBCPartition, JDBCRelation} +import org.apache.spark.sql.execution.datasources.v2.jdbc.JDBCTableCatalog +import org.apache.spark.sql.internal.SQLConf +import org.apache.spark.sql.jdbc.{DatabaseOnDocker, DockerJDBCIntegrationSuite} +import org.apache.spark.sql.test.SharedSparkSession +import org.apache.spark.sql.types._ +import org.apache.spark.tags.DockerTest + +/** + * The following would be the steps to test this + * 1. Build Oracle database in Docker, please refer below link about how to. + * https://github.com/oracle/docker-images/blob/master/OracleDatabase/SingleInstance/README.md + * 2. export ORACLE_DOCKER_IMAGE_NAME=$ORACLE_DOCKER_IMAGE_NAME + * Pull oracle $ORACLE_DOCKER_IMAGE_NAME image - docker pull $ORACLE_DOCKER_IMAGE_NAME + * 3. Start docker - sudo service docker start + * 4. Run spark test - ./build/sbt -Pdocker-integration-tests + * "test-only org.apache.spark.sql.jdbc.OracleIntegrationSuite" + * + * An actual sequence of commands to run the test is as follows + * + * $ git clone https://github.com/oracle/docker-images.git + * // Head SHA: 3e352a22618070595f823977a0fd1a3a8071a83c + * $ cd docker-images/OracleDatabase/SingleInstance/dockerfiles + * $ ./buildDockerImage.sh -v 18.4.0 -x + * $ export ORACLE_DOCKER_IMAGE_NAME=oracle/database:18.4.0-xe + * $ cd $SPARK_HOME + * $ ./build/sbt -Pdocker-integration-tests + * "test-only org.apache.spark.sql.jdbc.OracleIntegrationSuite" + * + * It has been validated with 18.4.0 Express Edition. + */ +@DockerTest +class OracleIntegrationSuite extends DockerJDBCIntegrationSuite with SharedSparkSession { + import testImplicits._ + + override val db = new DatabaseOnDocker { + override val imageName = sys.env("ORACLE_DOCKER_IMAGE_NAME") + override val env = Map( + "ORACLE_PWD" -> "oracle" + ) + override val usesIpc = false + override val jdbcPort: Int = 1521 + override def getJdbcUrl(ip: String, port: Int): String = + s"jdbc:oracle:thin:system/oracle@//$ip:$port/xe" + } + + override def sparkConf: SparkConf = super.sparkConf + .set("spark.sql.catalog.oracle", classOf[JDBCTableCatalog].getName) + .set("spark.sql.catalog.oracle.url", db.getJdbcUrl(dockerIp, externalPort)) + + override val connectionTimeout = timeout(7.minutes) + override def dataPreparation(conn: Connection): Unit = {} + + test("SPARK-33034: alter table ... add column") { + withTable("oracle.alt_table") { + sql("CREATE TABLE oracle.alt_table (ID STRING) USING _") + sql("ALTER TABLE oracle.alt_table ADD COLUMNS (C1 STRING, C2 STRING)") + var t = spark.table("oracle.alt_table") + var expectedSchema = new StructType() + .add("ID", StringType) + .add("C1", StringType) + .add("C2", StringType) + assert(t.schema === expectedSchema) + sql("ALTER TABLE oracle.alt_table ADD COLUMNS (C3 STRING)") + t = spark.table("oracle.alt_table") + expectedSchema = expectedSchema.add("C3", StringType) + assert(t.schema === expectedSchema) + } + } + + test("SPARK-33034: alter table ... update column type") { + withTable("oracle.alt_table") { + sql("CREATE TABLE oracle.alt_table (ID INTEGER) USING _") + sql("ALTER TABLE oracle.alt_table ALTER COLUMN id TYPE STRING") Review comment: Yes as the test passed. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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