[HUDI-3781] fix spark delete sql can not delete record

hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/hudi/ProvidesHoodieConfig.scala

@@ -255,7 +255,10 @@ trait ProvidesHoodieConfig extends Logging {
     val hoodieProps = getHoodieProps(catalogProperties, tableConfig, sparkSession.sqlContext.conf)
     val hiveSyncConfig = buildHiveSyncConfig(hoodieProps, hoodieCatalogTable)
 
-    withSparkConf(sparkSession, hoodieCatalogTable.catalogProperties) {
+    // operation can not be overwrite
+    val options = hoodieCatalogTable.catalogProperties.-(OPERATION.key())
+
+    withSparkConf(sparkSession, options) {
       Map(
         "path" -> path,
         RECORDKEY_FIELD.key -> hoodieCatalogTable.primaryKeys.mkString(","),

hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/TestDeleteTable.scala

@@ -151,4 +151,51 @@ class TestDeleteTable extends TestHoodieSqlBase {
       }
     }
   }
+
+  test("Test Delete Table with op upsert") {
+    withTempDir { tmp =>
+      Seq("cow", "mor").foreach {tableType =>
+        val tableName = generateTableName
+        // create table
+        spark.sql(
+          s"""
+             |create table $tableName (
+             |  id int,
+             |  name string,
+             |  price double,
+             |  ts long
+             |) using hudi
+             | location '${tmp.getCanonicalPath}/$tableName'
+             | tblproperties (
+             |  type = '$tableType',
+             |  primaryKey = 'id',
+             |  preCombineField = 'ts',
+             |  hoodie.datasource.write.operation = 'upsert'
+             | )
+       """.stripMargin)
+        // insert data to table
+        spark.sql(s"insert into $tableName select 1, 'a1', 10, 1000")
+        checkAnswer(s"select id, name, price, ts from $tableName")(
+          Seq(1, "a1", 10.0, 1000)
+        )
+
+        // delete data from table
+        spark.sql(s"delete from $tableName where id = 1")
+        checkAnswer(s"select count(1) from $tableName") (
+          Seq(0)
+        )
+
+        spark.sql(s"insert into $tableName select 2, 'a2', 10, 1000")
+        spark.sql(s"delete from $tableName where id = 1")
+        checkAnswer(s"select id, name, price, ts from $tableName")(
+          Seq(2, "a2", 10.0, 1000)
+        )
+
+        spark.sql(s"delete from $tableName")
+        checkAnswer(s"select count(1) from $tableName")(
+          Seq(0)
+        )
+      }
+    }
+  }
 }