@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof MySqlTableSource)) {
            return false;
        }
        MySqlTableSource that = (MySqlTableSource) o;
        return port == that.port
                && enableParallelRead == that.enableParallelRead
                && splitSize == that.splitSize
                && splitMetaGroupSize == that.splitMetaGroupSize
                && fetchSize == that.fetchSize
                && distributionFactorUpper == that.distributionFactorUpper
                && distributionFactorLower == that.distributionFactorLower
                && scanNewlyAddedTableEnabled == that.scanNewlyAddedTableEnabled
                && enableLogReport == that.enableLogReport
                && Objects.equals(physicalSchema, that.physicalSchema)
                && Objects.equals(hostname, that.hostname)
                && Objects.equals(database, that.database)
                && Objects.equals(username, that.username)
                && Objects.equals(password, that.password)
                && Objects.equals(serverId, that.serverId)
                && Objects.equals(tableName, that.tableName)
                && Objects.equals(serverTimeZone, that.serverTimeZone)
                && Objects.equals(dbzProperties, that.dbzProperties)
                && Objects.equals(connectTimeout, that.connectTimeout)
                && Objects.equals(connectMaxRetries, that.connectMaxRetries)
                && Objects.equals(connectionPoolSize, that.connectionPoolSize)
                && Objects.equals(startupOptions, that.startupOptions)
                && Objects.equals(producedDataType, that.producedDataType)
                && Objects.equals(metadataKeys, that.metadataKeys)
                && Objects.equals(jdbcProperties, that.jdbcProperties)
                && Objects.equals(heartbeatInterval, that.heartbeatInterval)
                && Objects.equals(chunkKeyColumn, that.chunkKeyColumn)
                && Objects.equals(metricOption, that.metricOption);
    }
Metadata that is appended at the end of a physical source row.
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/mysql/MySqlTableSource.java