Ticket

LocalTicket
    ticket    TicketId
    discuss   Int64
    followers Int64

    UniqueLocalTicket           ticket
    UniqueLocalTicketDiscussion discuss
    UniqueLocalTicketFollowers  followers

TicketProjectLocal
    ticket  TicketId
    project Int64
    accept  Int64

    UniqueTicketProjectLocal       ticket
    UniqueTicketProjectLocalAccept accept

TicketAuthorLocal
    ticket LocalTicketId
    author Int64
    open   Int64

    UniqueTicketAuthorLocal     ticket
    UniqueTicketAuthorLocalOpen open

TicketUnderProject
    project TicketProjectLocalId
    author  TicketAuthorLocalId

    UniqueTicketUnderProject project author