pull out status column from sps_sequence table

If we want to insert sps_sequence at the beginning, we need to pull out status column which is obviously known only at the end.

We would need a new table :
sps_sequence_status:

• visit_set_id int4 not null
• status_flag int4
• comments varchar

You need to create the table in the first place then I will dump data from the existing column to the new table, then we can drop the status column from sps_sequence.