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64 lines
2 KiB
MySQL
64 lines
2 KiB
MySQL
--
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-- 0020-shop-undo.sql
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--
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-- #20 - stored function for undo transaction
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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(19) THEN
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CREATE OR REPLACE FUNCTION public.undo_transaction(
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IN i_id public.transactions.id%TYPE)
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RETURNS public.transactions.id%TYPE
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VOLATILE NOT LEAKPROOF LANGUAGE plpgsql AS $fn$
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DECLARE
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v_ntrn_id public.transactions.id%TYPE;
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v_old_trn public.transactions%ROWTYPE;
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v_old_split public.transaction_splits%ROWTYPE;
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BEGIN
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SELECT * INTO v_old_trn FROM public.transactions WHERE id = i_id;
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INSERT INTO transactions ("description") VALUES ('undo '||o_id||' ('||v_old_trn.description||')') RETURNING id into v_ntrn_id;
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FOR v_old_split IN
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SELECT * FROM transaction_splits WHERE "transaction" = i_id
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LOOP
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INSERT INTO transaction_splits ("transaction", "side", "account", "amount", "memo")
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VALUES (v_ntrn_id, v_old_split.side, v_old_split.account, -v_old_split.amount,
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'undo ' || v_old_split.id || ' (' || v_old_split.memo || ')' );
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END LOOP;
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RETURN v_ntrn_id;
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END;
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$fn$;
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PERFORM brmbar_privileged.upgrade_schema_version_to(20);
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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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