Restrictions
- Only one column per table can be sorted. This must also be a column where new values can be recognised.
- If the table is not configured right, no data is read from it and an error message is sent via the status topic.
- Each column can only be addressed once per insert message.
- Each insert message inserts exactly one row
- All columns which are to be read must contain values or must not be zero in order to guarantee the read functions of the connector