30 lines
1.3 KiB
SQL
30 lines
1.3 KiB
SQL
create view system_last_switch as
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select systems.id as system,
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last_switch.id as switch,
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last_switch.timestamp as timestamp,
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array(select member from switch_members where switch_members.switch = last_switch.id) as members
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from systems
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inner join lateral (select * from switches where switches.system = systems.id order by timestamp desc limit 1) as last_switch on true;
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create view member_list as
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select members.*,
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-- Find last message ID
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-- max(mid) does full table scan, order by/limit uses index (dunno why, but it works!)
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(select mid from messages where messages.member = members.id order by mid desc nulls last limit 1) as last_message,
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-- Find last switch timestamp
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(
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select max(switches.timestamp)
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from switch_members
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inner join switches on switches.id = switch_members.switch
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where switch_members.member = members.id
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) as last_switch_time,
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-- Extract month/day from birthday and "force" the year identical (just using 4) -> month/day only sorting!
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case when members.birthday is not null then
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make_date(
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4,
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extract(month from members.birthday)::integer,
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extract(day from members.birthday)::integer
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) end as birthday_md
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from members; |