Github user GJPVN commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2231#discussion_r159024001
--- Diff:
nifi-nar-bundles/nifi-cdc/nifi-cdc-mssql-bundle/nifi-cdc-mssql-processors/src/main/java/org/apache/nifi/cdc/mssql/MSSQLCDCUtils.java
---
@@ -0,0 +1,264 @@
+/*
+ * 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.nifi.cdc.mssql;
+
+import org.apache.nifi.cdc.CDCException;
+import org.apache.nifi.cdc.event.ColumnDefinition;
+import org.apache.nifi.cdc.mssql.event.MSSQLColumnDefinition;
+import org.apache.nifi.cdc.mssql.event.MSSQLTableInfo;
+
+import java.sql.Connection;
+import java.sql.Timestamp;
+import java.sql.Types;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+public class MSSQLCDCUtils {
+ private static final String _columnSplit = "\n,";
+
+ final String LIST_CHANGE_TRACKING_TABLES_SQL = "SELECT object_id,\n" +
+ " DB_NAME() AS [databaseName], \n" +
+ " SCHEMA_NAME(OBJECTPROPERTY(object_id, 'SchemaId')) AS
[schemaName], \n" +
+ " OBJECT_NAME(object_id) AS [tableName], \n" +
+ " SCHEMA_NAME(OBJECTPROPERTY(source_object_id, 'SchemaId'))
AS [sourceSchemaName],\n" +
+ " OBJECT_NAME(source_object_id) AS [sourceTableName] \n" +
+ "FROM [cdc].[change_tables]";
--- End diff --
Microsoft recommends not to refer system table like change_tables instead
use sys.sp_cdc_help_change_data_capture.
https://docs.microsoft.com/en-us/sql/relational-databases/system-tables/cdc-change-tables-transact-sql
---
