[SQL] foreign key question

2011-01-05 Thread Gary Stainburn
Hi folks, I have a table which lists facilities and another table that lists access levels for those facilities. All straight forward using a foreign key set up using a normal references clause. users=# select f_id, f_desc from facilities order by f_id; f_id | f_desc

Re: [SQL] foreign key question

2011-01-05 Thread Gary Stainburn
On Wednesday 05 January 2011 09:53:43 Gary Stainburn wrote: Now I want to set up a new access level table specific to the itinerary, along the lines of u_id int4 not null references users(u_id) fl_level int4 not null references facility_levels(16, fl_level) Firstly, is this possible, and

Re: [SQL] foreign key question

2011-01-05 Thread Jasen Betts
On 2011-01-05, Gary Stainburn gary.stainb...@ringways.co.uk wrote: On Wednesday 05 January 2011 09:53:43 Gary Stainburn wrote: Now I want to set up a new access level table specific to the itinerary, along the lines of u_id int4 not null references users(u_id) fl_level int4 not null

[SQL] explicit casts

2011-01-05 Thread Iuri Sampaio
Hi there, I installed postgresql 8.4 on my box and now i have troubles with the following query regarding explicit casts. select to_char(trunc(to_date(:the_date, '-mm-dd'), 'Month'), 'fmMonth') as month, to_char(trunc(to_date(:the_date, '-mm-dd'), 'Month'), '') as year,

Re: [SQL] explicit casts

2011-01-05 Thread Iuri Sampaio
So far, I could write the following query select to_char(trunc(to_date('2010-01-02', '-mm-dd'), 'Month'), 'fmMonth') as month, to_char(trunc(to_date('2010-01-02', '-mm-dd'), 'Month'), '') as year, to_char(trunc(to_date('2010-01-02', '-mm-dd'), 'Month'), 'J') as

Re: [SQL] explicit casts

2011-01-05 Thread Adrian Klaver
On Wednesday 05 January 2011 4:24:34 pm Iuri Sampaio wrote: Hi there, I installed postgresql 8.4 on my box and now i have troubles with the following query regarding explicit casts. select to_char(trunc(to_date(:the_date, '-mm-dd'), 'Month'), 'fmMonth') as month,

Re: [SQL] explicit casts

2011-01-05 Thread Adrian Klaver
On Wednesday 05 January 2011 5:22:30 pm Iuri Sampaio wrote: So far, I could write the following query select to_char(trunc(to_date('2010-01-02', '-mm-dd'), 'Month'), 'fmMonth') as month, to_char(trunc(to_date('2010-01-02', '-mm-dd'), 'Month'), '') as year,