spark SparkSessionExtensionsTest 源码
spark SparkSessionExtensionsTest 代码
文件路径：/examples/src/main/scala/org/apache/spark/examples/extensions/SparkSessionExtensionsTest.scala
/*
* 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.examples.extensions
import org.apache.spark.sql.SparkSession
/**
* [[SessionExtensionsWithLoader]] is registered in
* src/main/resources/META-INF/services/org.apache.spark.sql.SparkSessionExtensionsProvider
*
* [[SessionExtensionsWithoutLoader]] is registered via spark.sql.extensions
*/
object SparkSessionExtensionsTest {
def main(args: Array[String]): Unit = {
val spark = SparkSession
.builder()
.appName("SparkSessionExtensionsTest")
.config("spark.sql.extensions", classOf[SessionExtensionsWithoutLoader].getName)
.getOrCreate()
spark.sql("SELECT age_one('2018-11-17'), age_two('2018-11-17')").show()
}
}
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