HyukjinKwon closed pull request #23479: [SPARK-26556][SQL]Add custom provider
for thrid party connector
URL: https://github.com/apache/spark/pull/23479
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diff --git
a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
index fefff68c4ba8b..77d8f46c51de7 100644
---
a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
+++
b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
@@ -621,7 +621,7 @@ object DataSource extends Logging {
"org.apache.spark.sql.hive.orc.OrcFileFormat"
case "com.databricks.spark.avro" if
conf.replaceDatabricksSparkAvroEnabled =>
"org.apache.spark.sql.avro.AvroFileFormat"
- case name => name
+ case name => conf.getConfString(s"spark.sql.source.provider.$name", name)
}
val provider2 = s"$provider1.DefaultSource"
val loader = Utils.getContextOrSparkClassLoader
diff --git
a/sql/core/src/test/scala/org/apache/spark/sql/sources/CustomProviderSuite.scala
b/sql/core/src/test/scala/org/apache/spark/sql/sources/CustomProviderSuite.scala
new file mode 100644
index 0000000000000..7fa081b4a83da
--- /dev/null
+++
b/sql/core/src/test/scala/org/apache/spark/sql/sources/CustomProviderSuite.scala
@@ -0,0 +1,43 @@
+/*
+ * 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.sources
+
+import org.apache.spark.SparkFunSuite
+import org.apache.spark.SparkConf
+import org.apache.spark.sql.execution.datasources.DataSource
+import org.apache.spark.sql.test.SharedSQLContext
+
+class CustomProviderSuite extends SparkFunSuite with SharedSQLContext {
+
+ override protected def sparkConf = {
+ val conf = super.sparkConf
+ conf.set("spark.sql.source.provider.fake1",
"org.apache.spark.sql.sources.FakeSourceOne")
+ }
+
+ private def getProvidingClass(name: String): Class[_] =
+ DataSource(
+ sparkSession = spark,
+ className = name
+ ).providingClass
+
+ test("fake source with custom provider") {
+ assert(
+ getProvidingClass("fake1") ===
+ classOf[org.apache.spark.sql.sources.FakeSourceOne])
+ }
+}
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