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USAGE.md: Select for listing inventory items by their worth

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Petr Baudis 2014-06-06 20:39:58 +02:00
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commit 8229b44774
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brmbar3/USAGE.md
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@ -98,3 +98,15 @@ Useful SQL queries
select time, transactions.id, description, responsible, amount from transactions
left join transaction_splits on transaction_splits.transaction = transactions.id
where transaction_splits.account = 1;
* List all inventory items ordered by their cummulative worth:
select foo.*, foo.rate * -foo.crbalance as worth from
(select account_balances.*,
(select exchange_rates.rate from exchange_rates, accounts
where exchange_rates.target = accounts.currency
and accounts.id = account_balances.id
order by exchange_rates.valid_since limit 1) as rate
from account_balances where account_balances.acctype = 'inventory')
as foo order by worth;