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Date: Thu, 8 Jan 2026 09:10:06 -0800 (PST)
From: Rich Shepard <rshepard@appl-ecosys.com>
To: pgsql-general@postgresql.org
Subject: Re: Not seeing script error
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On Thu, 8 Jan 2026, Tom Lane wrote:

> 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')

Tom,

While I'm aware that AND binds tigher than OR, I totally missed the need to
package all industry names within parentheses.

> BTW, using IN might make this more compact.

And, it enforces industry types to be in parentheses.

Thanks very much,

Rich