Gary Stainburn wrote on 20.09.2013 18:07:
I want to add a new page after page 2 so I try to increase the sequence number
of each row from page 3 onwards to make space in the sequence for the new
record. However, I get duplicate key errors when I try. Can anyone suggest
how I get round this.
Also, the final version will be put onto a WordPress web site which means I
will have to port it to MYSQL which I don't know, so any solution that will
work with both systems would be a great help.
You need to define the primary key as deferrable:
create table skills_pages
(
sp_id serial not null,
sp_sequence integer not null,
sp_title character varying(80),
sp_narative text,
primary key (sp_id) deferrable
);
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