861 renaming a table doesnt work for databases that are mapped to another name in clickhouse

pom.xml

@@ -14,7 +14,7 @@
         <maven.compiler.target>17</maven.compiler.target>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <version.debezium>2.5.0.Beta1</version.debezium>
+        <version.debezium>2.7.2.Final</version.debezium>
         <version.junit>5.9.1</version.junit>
         <version.checkstyle.plugin>3.1.1</version.checkstyle.plugin>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

sink-connector-lightweight/dependency-reduced-pom.xml

@@ -131,7 +131,7 @@
     <dependency>
       <groupId>io.debezium</groupId>
       <artifactId>debezium-connector-mongodb</artifactId>
-      <version>2.7.0.Beta2</version>
+      <version>2.7.2.Final</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>
@@ -326,7 +326,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <version.checkstyle.plugin>3.1.1</version.checkstyle.plugin>
     <maven.compiler.target>17</maven.compiler.target>
-    <version.debezium>2.7.0.Beta2</version.debezium>
+    <version.debezium>2.7.2.Final</version.debezium>
     <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
   </properties>
 </project>

sink-connector-lightweight/src/main/java/com/altinity/clickhouse/debezium/embedded/ClickHouseDebeziumEmbeddedApplication.java

@@ -86,8 +86,7 @@ public static void main(String[] args) throws Exception {
 
         setupMonitoringThread(new ClickHouseSinkConnectorConfig(PropertiesHelper.toMap(props)), props);
 
-        embeddedApplication.start(injector.getInstance(DebeziumRecordParserService.class),
-                injector.getInstance(DDLParserService.class), props, false);
+        embeddedApplication.start(injector.getInstance(DebeziumRecordParserService.class), props, false);
 
         try {
             DebeziumEmbeddedRestApi.startRestApi(props, injector, debeziumChangeEventCapture, userProperties);
@@ -141,8 +140,7 @@ public static CompletableFuture<String> startDebeziumEventLoop(Injector injector
 
             Thread.sleep(500);
             // embeddedApplication = new ClickHouseDebeziumEmbeddedApplication();
-            embeddedApplication.start(injector.getInstance(DebeziumRecordParserService.class),
-                    injector.getInstance(DDLParserService.class), props, true);
+            embeddedApplication.start(injector.getInstance(DebeziumRecordParserService.class), props, true);
             return null;
         });
 
@@ -151,15 +149,15 @@ public static CompletableFuture<String> startDebeziumEventLoop(Injector injector
 
 
     public static void start(DebeziumRecordParserService recordParserService,
-                             DDLParserService ddlParserService, Properties props, boolean forceStart) throws Exception {
+                             Properties props, boolean forceStart) throws Exception {
 
         if(forceStart == true) {
             // Reload the configuration file.
             log.info(String.format("******* Reloading configuration file (%s) from disk ******", configurationFile));
             loadPropertiesFile(configurationFile);
         }
         debeziumChangeEventCapture = new DebeziumChangeEventCapture();
-        debeziumChangeEventCapture.setup(props, recordParserService, ddlParserService, forceStart);
+        debeziumChangeEventCapture.setup(props, recordParserService, forceStart);
     }
 
     public static void stop() throws IOException {
@@ -210,8 +208,7 @@ public void run() {
                         log.info("******* Restarting Event Loop ********");
                         debeziumChangeEventCapture.stop();
                         Thread.sleep(3000);
-                        start(injector.getInstance(DebeziumRecordParserService.class),
-                                injector.getInstance(DDLParserService.class), props, true);
+                        start(injector.getInstance(DebeziumRecordParserService.class), props, true);
                     } catch (IOException e) {
                         log.error("**** ERROR: Restarting Event Loop ****", e);
                         throw new RuntimeException(e);

sink-connector-lightweight/src/main/java/com/altinity/clickhouse/debezium/embedded/api/DebeziumEmbeddedRestApi.java

@@ -127,7 +127,7 @@ public static void startRestApi(Properties props, Injector injector,
             try {
                 debeziumChangeEventCapture.deleteSchemaHistory(config, finalProps1);
             } catch (Exception e) {
-                log.error("Client - Error deleting offsets", e);
+                log.error("Client - Error deleting schema history", e);
                 ctx.result(e.toString());
                 ctx.status(HttpStatus.INTERNAL_SERVER_ERROR);
                 return;

sink-connector-lightweight/src/main/java/com/altinity/clickhouse/debezium/embedded/cdc/DebeziumChangeEventCapture.java

@@ -25,6 +25,8 @@
 import io.debezium.engine.ChangeEvent;
 import io.debezium.engine.DebeziumEngine;
 import io.debezium.engine.spi.OffsetCommitPolicy;
+import io.debezium.relational.history.SchemaHistory;
+import io.debezium.storage.jdbc.history.JdbcSchemaHistoryConfig;
 import io.debezium.storage.jdbc.offset.JdbcOffsetBackingStoreConfig;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.kafka.connect.data.Field;
@@ -164,10 +166,20 @@ private void performDDLOperation(String DDL, Properties props, SourceRecord sr,
         updateMetrics(DDL, writer);
     }
 
+    /**
+     * Function to get the database name from the SourceRecord.
+     * If the database name is not present in the SourceRecord, then
+     * the database name is set to "system".
+     * Also if a database is overridden in the configuration, then
+     * the database name is set to the overridden database name.
+     * @param sr
+     * @return
+     */
     private String getDatabaseName(SourceRecord sr) {
         if (sr != null && sr.key() instanceof Struct) {
             String recordDbName = (String) ((Struct) sr.key()).get("databaseName");
             if (recordDbName != null && !recordDbName.isEmpty()) {
+
                 return recordDbName;
             }
         }
@@ -411,8 +423,8 @@ private Pair<String, String> getDebeziumOffsetStorageDatabaseName(Properties pro
      * @return
      */
     private Pair<String, String> getDebeziumSchemaHistoryDatabaseName(Properties props) {
-        String tableName = props.getProperty(JdbcOffsetBackingStoreConfig.OFFSET_STORAGE_PREFIX +
-                JdbcOffsetBackingStoreConfig.PROP_TABLE_NAME.name());
+        String tableName = props.getProperty(SchemaHistory.CONFIGURATION_FIELD_PREFIX_STRING +
+                JdbcSchemaHistoryConfig.PROP_TABLE_NAME.name());
         return splitTableName(tableName);
     }
 
@@ -605,10 +617,11 @@ public void deleteSchemaHistory(ClickHouseSinkConnectorConfig config, Properties
                 databaseName, dbCredentials.getUserName(),
                 dbCredentials.getPassword(), config, this.conn);
 
-        // Get topic.prefix from config
-        String topicPrefix = config.getString(CommonConnectorConfig.TOPIC_PREFIX.name());
-        new DebeziumOffsetStorage().deleteSchemaHistoryTable(topicPrefix, tableNameDatabaseName.getRight() + "."
-                + tableNameDatabaseName.getLeft(),writer);
+        // Get topic.prefix from properies
+        String topicPrefix = props.getProperty(CommonConnectorConfig.TOPIC_PREFIX.name());
+        // String topicPrefix = config.getString(CommonConnectorConfig.TOPIC_PREFIX.name());
+        // Jdbc adds the database name to the table name, so we need to remove it
+        new DebeziumOffsetStorage().deleteSchemaHistoryTable(topicPrefix, tableName, writer);
 
     }
     /**
@@ -770,7 +783,7 @@ public void connectorStopped() {
      * @param debeziumRecordParserService
      */
     public void setup(Properties props, DebeziumRecordParserService debeziumRecordParserService,
-                      DDLParserService ddlParserService, boolean forceStart) throws IOException, ClassNotFoundException {
+                      boolean forceStart) throws IOException, ClassNotFoundException {
 
         // Check if max queue size was defined by the user.
         if(props.getProperty(ClickHouseSinkConnectorConfigVariables.MAX_QUEUE_SIZE.toString()) != null) {

sink-connector-lightweight/src/main/java/com/altinity/clickhouse/debezium/embedded/cdc/DebeziumOffsetStorage.java

@@ -2,6 +2,8 @@
 
 import com.altinity.clickhouse.sink.connector.db.BaseDbWriter;
 
+import com.clickhouse.logging.Logger;
+import com.clickhouse.logging.LoggerFactory;
 import io.debezium.storage.jdbc.offset.JdbcOffsetBackingStoreConfig;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
@@ -32,6 +34,7 @@ public class DebeziumOffsetStorage {
     public static final String SOURCE_PASSWORD = "source_password";
 
 
+    private static final Logger log = LoggerFactory.getLogger(DebeziumOffsetStorage.class);
 
     public String getOffsetKey(Properties props) {
         String connectorName = props.getProperty("name");
@@ -62,7 +65,8 @@ public void deleteSchemaHistoryTable(String offsetKey,
                                          BaseDbWriter writer) throws SQLException {
 
 
-        String debeziumStorageStatusQuery = String.format("delete from %s where JSONExtractRaw(JSONExtractRaw(history_data,'source'), 'server')='\"%s\"" , tableName, offsetKey);
+        String debeziumStorageStatusQuery = String.format("delete from `%s` where JSONExtractRaw(JSONExtractRaw(history_data,'source'), 'server')='%s'" , tableName, offsetKey);
+        log.info("Deleting schema history table query: " + debeziumStorageStatusQuery);
         writer.executeQuery(debeziumStorageStatusQuery);
     }
     /**

sink-connector-lightweight/src/main/java/com/altinity/clickhouse/debezium/embedded/ddl/parser/MySqlDDLParserListenerImpl.java

@@ -54,16 +54,8 @@ public MySqlDDLParserListenerImpl(BaseDbWriter writer, StringBuffer transformedQ
         } catch(Exception e) {
             log.error("enterCreateDatabase: Error parsing source to destination database map:" + e.toString());
         }
-        // databaseName might contain backticks. Remove them.
-        if(databaseName.contains("`")) {
-            databaseName = databaseName.replace("`", "");
-        }
 
-        if(sourceToDestinationMap.containsKey(databaseName)) {
-            this.databaseName = sourceToDestinationMap.get(databaseName);
-        } else {
-            this.databaseName = databaseName;
-        }
+        this.databaseName = overrideDatabaseName(databaseName);
 
         this.query = transformedQuery;
         this.tableName = tableName;
@@ -74,6 +66,23 @@ public MySqlDDLParserListenerImpl(BaseDbWriter writer, StringBuffer transformedQ
         this.userProvidedTimeZone = parseTimeZone();
     }
 
+    /**
+     * Function to override the database name.
+     * @param databaseName
+     * @return
+     */
+    private String overrideDatabaseName(String databaseName) {
+
+        // databaseName might contain backticks. Remove them.
+        if(databaseName.contains("`")) {
+            databaseName = databaseName.replace("`", "");
+        }
+
+        if(sourceToDestinationMap.containsKey(databaseName)) {
+            return sourceToDestinationMap.get(databaseName);
+        }
+        return databaseName;
+    }
 
     public ZoneId parseTimeZone() {
         String userProvidedTimeZone = config.getString(ClickHouseSinkConnectorConfigVariables
@@ -102,25 +111,9 @@ public void enterCreateDatabase(MySqlParser.CreateDatabaseContext createDatabase
 
                 String databaseName = tree.getText();
                 if(!databaseName.isEmpty()) {
-                    // Check if the database is overridden
-                    Map<String, String> sourceToDestinationMap = new HashMap<>();
-
-                    try {
-                        if (this.config.getString(ClickHouseSinkConnectorConfigVariables.CLICKHOUSE_DATABASE_OVERRIDE_MAP.toString()) != null)
-                            sourceToDestinationMap = Utils.parseSourceToDestinationDatabaseMap(this.config.
-                                    getString(ClickHouseSinkConnectorConfigVariables.CLICKHOUSE_DATABASE_OVERRIDE_MAP.toString()));
-                    } catch(Exception e) {
-                        log.error("enterCreateDatabase: Error parsing source to destination database map:" + e.toString());
-                    }
-                    // databaseName might contain backticks. Remove them.
-                    if(databaseName.contains("`")) {
-                        databaseName = databaseName.replace("`", "");
-                    }
-                    if(sourceToDestinationMap.containsKey(databaseName)) {
-                        this.query.append(String.format(Constants.CREATE_DATABASE, sourceToDestinationMap.get(databaseName)));
-                    } else {
-                        this.query.append(String.format(Constants.CREATE_DATABASE, databaseName));
-                    }
+
+                    String overrideDatabaseName = overrideDatabaseName(tree.getText());
+                    this.query.append(String.format(Constants.CREATE_DATABASE, overrideDatabaseName));
                 }
             }
         }
@@ -736,8 +729,12 @@ public void enterRenameTable(MySqlParser.RenameTableContext renameTableContext)
                     originalTableName = renameTableContextChildren.get(0).getText();
                     newTableName = renameTableContextChildren.get(2).getText();
                     // If the table name already includes the database name dont include it in the query.
-                    if(originalTableName.contains(".")) {
-                        this.query.append(originalTableName).append(" to ").append(newTableName);
+                    if(originalTableName.contains(".") && newTableName.contains(".")) {
+                        // Split database and table name.
+                        String[] databaseAndTableNameArray = originalTableName.split("\\.");
+                        String[] newDatabaseAndTableNameArray = newTableName.split("\\.");
+                        this.query.append(this.databaseName).append(".").append(databaseAndTableNameArray[1]).append(" to ").
+                                append(this.databaseName).append(".").append(newDatabaseAndTableNameArray[1]);
                     } else
                         this.query.append(databaseName).append(".").append(originalTableName).append(" to ").
                                 append(databaseName).append(".").append(newTableName);

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/ClickHouseDebeziumEmbeddedPostgresDecoderBufsDockerIT.java

@@ -81,9 +81,7 @@ public void testDecoderBufsPlugin() throws Exception {
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(getProperties(), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()),
-                                "employees"), false);
+                engine.get().setup(getProperties(), new SourceRecordParserService(),  false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/ClickHouseDebeziumEmbeddedPostgresPgoutputDockerIT.java

@@ -84,8 +84,7 @@ public void testPgOutputPlugin() throws Exception {
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(getProperties(), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "system"), false);
+                engine.get().setup(getProperties(), new SourceRecordParserService(),  false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/ITCommon.java

@@ -116,6 +116,7 @@ static public Properties getDebeziumProperties(MySQLContainer mySqlContainer, Cl
         defaultProps.setProperty("clickhouse.server.port", String.valueOf(clickHouseContainer.getFirstMappedPort()));
         defaultProps.setProperty("clickhouse.server.user", clickHouseContainer.getUsername());
         defaultProps.setProperty("clickhouse.server.password", clickHouseContainer.getPassword());
+        //defaultProps.setProperty("ddl.retry", "true");
 
         defaultProps.setProperty("offset.storage.jdbc.url", String.format("jdbc:clickhouse://%s:%s",
                 clickHouseContainer.getHost(), clickHouseContainer.getFirstMappedPort()));

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/MariaDBIT.java

@@ -84,8 +84,7 @@
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(props, new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "test_db"),false);
+                engine.get().setup(props, new SourceRecordParserService(),false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
@@ -136,7 +135,7 @@
         // query clickhouse connection and get data for test_table1 and test_table2
 
 
         ResultSet rs = writer.executeQueryWithResultSet("SELECT * FROM employees.audience");
         // Validate the data
         boolean recordFound = false;
         while(rs.next()) {

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/MySQLGenerateColumnsTest.java

@@ -75,9 +75,7 @@ public void testMySQLGeneratedColumns() throws Exception {
                 Properties props = getDebeziumProperties(mySqlContainer, clickHouseContainer);
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(props, new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()),
-                                "employees"), false);
+                engine.get().setup(props, new SourceRecordParserService(),  false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/MySQLJsonIT.java

@@ -78,8 +78,7 @@
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(props, new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "test_db"),false);
+                engine.get().setup(props, new SourceRecordParserService(), false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
@@ -129,7 +128,7 @@
         // query clickhouse connection and get data for test_table1 and test_table2
 
 
         ResultSet rs = writer.executeQueryWithResultSet("SELECT * FROM employees.audience");
         // Validate the data
         boolean recordFound = false;
         while(rs.next()) {

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/OffsetManagementIT.java

@@ -93,8 +93,7 @@ public void testAutoCreateTable(String clickHouseServerVersion) throws Exception
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(ITCommon.getDebeziumPropertiesForSchemaOnly(mySqlContainer, clickHouseContainer), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "datatypes"),false);
+                engine.get().setup(ITCommon.getDebeziumPropertiesForSchemaOnly(mySqlContainer, clickHouseContainer), new SourceRecordParserService(), false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/PostgresInitialDockerIT.java

@@ -82,8 +82,7 @@ public void testDecoderBufsPlugin() throws Exception {
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(getProperties(), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "employees"), false);
+                engine.get().setup(getProperties(), new SourceRecordParserService(), false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/PostgresInitialDockerWKeeperMapStorageIT.java

@@ -105,8 +105,7 @@
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(getProperties(), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "employees"), false);
+                engine.get().setup(getProperties(), new SourceRecordParserService(),  false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
@@ -141,7 +140,7 @@
 
         Assert.assertTrue(reDataColumns.get("amount").equalsIgnoreCase("Decimal(64, 18)"));
         Assert.assertTrue(reDataColumns.get("total_amount").equalsIgnoreCase("Decimal(21, 5)"));
         Assert.assertTrue(tmCount == 2);
 
         String offsetValue = new DebeziumOffsetStorage().getDebeziumStorageStatusQuery(getProperties(), writer);
 

sink-connector-lightweight/src/test/java/com/altinity/clickhouse/debezium/embedded/PostgresPgoutputMultipleSchemaIT.java

@@ -87,8 +87,7 @@
             try {
 
                 engine.set(new DebeziumChangeEventCapture());
-                engine.get().setup(getProperties(), new SourceRecordParserService(),
-                        new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()), "system"), false);
+                engine.get().setup(getProperties(), new SourceRecordParserService(),  false);
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
@@ -160,7 +159,7 @@
         while(chRs3.next()) {
             peopleCount =  chRs3.getInt(1);
         }
         Assert.assertTrue(peopleCount == 2);
 
         if(engine.get() != null) {
             engine.get().stop();