forked from brmlab/brmbar-github
94 lines
2.7 KiB
MySQL
94 lines
2.7 KiB
MySQL
--
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-- 0023-inventory-balance.sql
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--
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-- #23 - stored function for total inventory balance
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--
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-- ISC License
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--
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-- Copyright 2023-2025 Brmlab, z.s.
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-- TMA <tma+hs@jikos.cz>
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--
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-- Permission to use, copy, modify, and/or distribute this software
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-- for any purpose with or without fee is hereby granted, provided
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-- that the above copyright notice and this permission notice appear
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-- in all copies.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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-- CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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-- OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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-- NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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-- CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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--
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-- To require fully-qualified names
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SELECT pg_catalog.set_config('search_path', '', false);
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DO $upgrade_block$
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BEGIN
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IF brmbar_privileged.has_exact_schema_version(22) THEN
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CREATE OR REPLACE VIEW brmbar_privileged.debit_balances AS
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SELECT
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ts.account AS debit_account,
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SUM(ts.amount) AS debit_sum
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FROM public.transaction_splits ts
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WHERE (ts.side = 'debit'::public.transaction_split_side)
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GROUP BY ts.account;
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CREATE OR REPLACE VIEW brmbar_privileged.credit_balances AS
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SELECT
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ts.account AS credit_account,
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SUM(ts.amount) AS credit_sum
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FROM public.transaction_splits ts
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WHERE (ts.side = 'credit'::public.transaction_split_side)
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GROUP BY ts.account;
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/*
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CASE
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WHEN (ts.side = 'credit'::public.transaction_split_side) THEN (- ts.amount)
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ELSE ts.amount
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END AS amount,
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a.currency,
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ts.memo
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FROM (public.transaction_splits ts
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LEFT JOIN public.accounts a ON ((a.id = ts.account)))
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ORDER BY ts.id;
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*/
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CREATE OR REPLACE FUNCTION public.inventory_balance()
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RETURNS DECIMAL(12,2)
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VOLATILE NOT LEAKPROOF LANGUAGE plpgsql SECURITY DEFINER AS $fn$
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DECLARE
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rv DECIMAL(12,2);
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BEGIN
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WITH inventory_balances AS (
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SELECT COALESCE(credit_sum, 0) * public.find_buy_rate(a.currency, 1) as credit_sum,
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COALESCE(debit_sum, 0) * public.find_buy_rate(a.currency, 1) as debit_sum,
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COALESCE(credit_account, debit_account) as cd_account
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FROM brmbar_privileged.credit_balances cb
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FULL OUTER JOIN brmbar_privileged.debit_balances db
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ON (debit_account = credit_account)
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LEFT JOIN public.accounts a
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ON (a.id = COALESCE(credit_account, debit_account))
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WHERE a.acctype = 'inventory'::public.account_type
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)
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SELECT SUM(debit_sum) - SUM(credit_sum) INTO rv
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FROM inventory_balances;
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RETURN rv;
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END;
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$fn$;
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PERFORM brmbar_privileged.upgrade_schema_version_to(23);
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END IF;
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END;
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$upgrade_block$;
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-- vim: set ft=plsql :
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