On Thu, Jan 8, 2026 at 11:48 AM Tom Lane <[email protected]> wrote:
> Rich Shepard <[email protected]> writes: > > The script: > > select p.person_nbr, p.fname, p.lname, p.job_title, p.direct_phone, > p.email, > > c.company_nbr, c.company_name, c.industry > > from people as p > > inner join companies as c on p.company_nbr = c.company_nbr > > where p.email is not null and > > industry = 'Chemicals' or > > industry = 'Energy' or > > industry = 'Food processor' or > > industry = 'Manufacturing' or > > industry = 'Maritime' or > > industry = 'Transportation' or > > industry = 'Wood products' > > group by p.person_nbr, c.company_nbr > > order by p.person_nbr; > > > The where condition, `p.email is not null' is not working; the results > > include rows where email is null while all other columns are okay. > > > I had that condition following the industry conditions but that makes no > > difference. > > > What have I missed? > > AND binds more tightly than OR. I think you meant > > where p.email is not null and > (industry = 'Chemicals' or > industry = 'Energy' or > industry = 'Food processor' or > industry = 'Manufacturing' or > industry = 'Maritime' or > industry = 'Transportation' or > industry = 'Wood products') > > BTW, using IN might make this more compact. > While missing parentheses would not break the logic. -- Death to <Redacted>, and butter sauce. Don't boil me, I'm still alive. <Redacted> lobster!
