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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/02/04 23:41:10 UTC
[GitHub] [spark] kazuyukitanimura commented on a change in pull request #35395: [SPARK-38085][SQL] DataSource V2: Handle DELETE commands for group-based sources
kazuyukitanimura commented on a change in pull request #35395:
URL: https://github.com/apache/spark/pull/35395#discussion_r799882918
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File path: sql/core/src/test/scala/org/apache/spark/sql/connector/DeleteFromTableSuite.scala
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@@ -0,0 +1,524 @@
+/*
+ * 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.connector
+
+import java.util
+import java.util.Collections
+
+import org.scalatest.BeforeAndAfter
+
+import org.apache.spark.sql.{AnalysisException, DataFrame, Encoders, QueryTest, Row}
+import org.apache.spark.sql.connector.catalog.{Identifier, InMemoryRowLevelOperationTableCatalog}
+import org.apache.spark.sql.connector.expressions.LogicalExpressions._
+import org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanHelper
+import org.apache.spark.sql.test.SharedSparkSession
+import org.apache.spark.sql.types.StructType
+
+abstract class DeleteFromTableSuiteBase
+ extends QueryTest with SharedSparkSession with BeforeAndAfter with AdaptiveSparkPlanHelper {
+
+ import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._
+ import testImplicits._
+
+ before {
+ spark.conf.set("spark.sql.catalog.cat", classOf[InMemoryRowLevelOperationTableCatalog].getName)
+ }
+
+ after {
+ spark.sessionState.catalogManager.reset()
+ spark.sessionState.conf.unsetConf("spark.sql.catalog.cat")
+ }
+
+ private val namespace = Array("ns1")
+ private val ident = Identifier.of(namespace, "test_table")
+ private val tableNameAsString = "cat." + ident.toString
+
+ protected def extraTableProps(): util.Map[String, String] = {
+ Collections.emptyMap[String, String]
+ }
+
+ private def catalog: InMemoryRowLevelOperationTableCatalog = {
+ val catalog = spark.sessionState.catalogManager.catalog("cat")
+ catalog.asTableCatalog.asInstanceOf[InMemoryRowLevelOperationTableCatalog]
+ }
+
+ test("EXPLAIN only delete") {
+ createAndInitTable("id INT, dep STRING", """{ "id": 1, "dep": "hr" }""")
+
+ sql(s"EXPLAIN DELETE FROM $tableNameAsString WHERE id <= 10")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(1, "hr") :: Nil)
+ }
+
+ test("delete from empty tables") {
+ createTable("id INT, dep STRING")
+
+ sql(s"DELETE FROM $tableNameAsString WHERE id <= 1")
+
+ checkAnswer(sql(s"SELECT * FROM $tableNameAsString"), Nil)
+ }
+
+ test("delete with basic filters") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "software" }
+ |{ "id": 3, "dep": "hr" }
+ |""".stripMargin)
+
+ sql(s"DELETE FROM $tableNameAsString WHERE id <= 1")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(2, "software") :: Row(3, "hr") :: Nil)
+ }
+
+ test("delete with aliases") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "software" }
+ |{ "id": 3, "dep": "hr" }
+ |""".stripMargin)
+
+ sql(s"DELETE FROM $tableNameAsString AS t WHERE t.id <= 1 OR t.dep = 'hr'")
+
+ checkAnswer(sql(s"SELECT * FROM $tableNameAsString"), Row(2, "software") :: Nil)
+ }
+
+ test("delete with IN predicates") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "software" }
+ |{ "id": null, "dep": "hr" }
+ |""".stripMargin)
+
+ sql(s"DELETE FROM $tableNameAsString WHERE id IN (1, null)")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(2, "software") :: Row(null, "hr") :: Nil)
+ }
+
+ test("delete with NOT IN predicates") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "software" }
+ |{ "id": null, "dep": "hr" }
+ |""".stripMargin)
+
+ sql(s"DELETE FROM $tableNameAsString WHERE id NOT IN (null, 1)")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(1, "hr") :: Row(2, "software") :: Row(null, "hr") :: Nil)
+
+ sql(s"DELETE FROM $tableNameAsString WHERE id NOT IN (1, 10)")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(1, "hr") :: Row(null, "hr") :: Nil)
+ }
+
+ test("delete with conditions on nested columns") {
+ createAndInitTable("id INT, complex STRUCT<c1:INT,c2:STRING>, dep STRING",
+ """{ "id": 1, "complex": { "c1": 3, "c2": "v1" }, "dep": "hr" }
+ |{ "id": 2, "complex": { "c1": 2, "c2": "v2" }, "dep": "software" }
+ |""".stripMargin)
+
+ sql(s"DELETE FROM $tableNameAsString WHERE complex.c1 = id + 2")
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(2, Row(2, "v2"), "software") :: Nil)
+
+ sql(s"DELETE FROM $tableNameAsString t WHERE t.complex.c1 = id")
+
+ checkAnswer(sql(s"SELECT * FROM $tableNameAsString"), Nil)
+ }
+
+ test("delete with IN subqueries") {
+ withTempView("deleted_id", "deleted_dep") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "hardware" }
+ |{ "id": null, "dep": "hr" }
+ |""".stripMargin)
+
+ val deletedIdDF = Seq(Some(0), Some(1), None).toDF()
+ deletedIdDF.createOrReplaceTempView("deleted_id")
+
+ val deletedDepDF = Seq("software", "hr").toDF()
+ deletedDepDF.createOrReplaceTempView("deleted_dep")
+
+ sql(
+ s"""DELETE FROM $tableNameAsString
+ |WHERE
+ | id IN (SELECT * FROM deleted_id)
+ | AND
+ | dep IN (SELECT * FROM deleted_dep)
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(2, "hardware") :: Row(null, "hr") :: Nil)
+
+ append("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": -1, "dep": "hr" }
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(-1, "hr") :: Row(1, "hr") :: Row(2, "hardware") :: Row(null, "hr") :: Nil)
+
+ sql(
+ s"""DELETE FROM $tableNameAsString
+ |WHERE
+ | id IS NULL
+ | OR
+ | id IN (SELECT value + 2 FROM deleted_id)
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(-1, "hr") :: Row(1, "hr") :: Nil)
+
+ append("id INT, dep STRING",
+ """{ "id": null, "dep": "hr" }
+ |{ "id": 2, "dep": "hr" }
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(-1, "hr") :: Row(1, "hr") :: Row(2, "hr") :: Row(null, "hr") :: Nil)
+
+ sql(
+ s"""DELETE FROM $tableNameAsString
+ |WHERE
+ | id IN (SELECT value + 2 FROM deleted_id)
+ | AND
+ | dep = 'hr'
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(-1, "hr") :: Row(1, "hr") :: Row(null, "hr") :: Nil)
+ }
+ }
+
+ test("delete with multi-column IN subqueries") {
+ withTempView("deleted_employee") {
+ createAndInitTable("id INT, dep STRING",
+ """{ "id": 1, "dep": "hr" }
+ |{ "id": 2, "dep": "hardware" }
+ |{ "id": null, "dep": "hr" }
+ |""".stripMargin)
+
+ val deletedEmployeeDF = Seq((None, "hr"), (Some(1), "hr")).toDF()
+ deletedEmployeeDF.createOrReplaceTempView("deleted_employee")
+
+ sql(
+ s"""DELETE FROM $tableNameAsString
+ |WHERE
+ | (id, dep) IN (SELECT * FROM deleted_employee)
+ |""".stripMargin)
+
+ checkAnswer(
+ sql(s"SELECT * FROM $tableNameAsString"),
+ Row(2, "hardware") :: Row(null, "hr") :: Nil)
+ }
+ }
+
+ test("delete with NOT IN subqueries") {
Review comment:
Apologies for the delay. Testing a few more corner cases. I should be able to submit the PR today
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