2023-02-09 10:42:31 +00:00
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-- Verify numerus:invoice on pg
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begin;
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select invoice_id
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, company_id
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, slug
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, invoice_number
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, invoice_date
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, contact_id
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, invoice_status
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, notes
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Replace tag relations with array attributes
It all started when i wanted to try to filter invoices by multiple tags
using an “AND”, instead of “OR” as it was doing until now. But
something felt off and seemed to me that i was doing thing much more
complex than needed, all to be able to list the tags as a suggestion
in the input field—which i am not doing yet.
I found this article series[0] exploring different approaches for
tagging, which includes the one i was using, and comparing their
performance. I have not actually tested it, but it seems that i have
chosen the worst option, in both query time and storage.
I attempted to try using an array attribute to each table, which is more
or less the same they did in the articles but without using a separate
relation for tags, and i found out that all the queries were way easier
to write, and needed two joins less, so it was a no-brainer.
[0]: http://www.databasesoup.com/2015/01/tag-all-things.html
2023-04-07 19:31:35 +00:00
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, tags
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2023-03-05 17:50:57 +00:00
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, payment_method_id
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2023-02-09 10:42:31 +00:00
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, currency_code
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, created_at
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from numerus.invoice
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where false;
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select 1 / count(*) from pg_class where oid = 'numerus.invoice'::regclass and relrowsecurity;
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select 1 / count(*) from pg_policy where polname = 'company_policy' and polrelid = 'numerus.invoice'::regclass;
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rollback;
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