Hello, It seems that on this line: https://github.com/dmtolpeko/sqlines/blob/d132c7ca2e5e9615458a19af04693d8fe61b0bf2/sqldata/sqldata.cpp#L497 "everything not mysql" let create postgresql line: EXECUTE sp_addextendedproperty 'Comment', ... It fails when executed in postgreSQL databse.