From 5329d23de236e5bb89757dfde532cd7810748d5e Mon Sep 17 00:00:00 2001
From: Masaya Tojo <masaya@tojo.tokyo>
Date: Fri, 10 Mar 2023 09:08:49 +0900
Subject: Add function to assign an article to an transaction.

---
 deploy/assign_article_to_transaction.sql | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 deploy/assign_article_to_transaction.sql

(limited to 'deploy/assign_article_to_transaction.sql')

diff --git a/deploy/assign_article_to_transaction.sql b/deploy/assign_article_to_transaction.sql
new file mode 100644
index 0000000..09fb96b
--- /dev/null
+++ b/deploy/assign_article_to_transaction.sql
@@ -0,0 +1,30 @@
+-- Deploy kakeibo:assign_article_to_transaction to pg
+-- requires: articles
+-- requires: transactions
+-- requires: appschema
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION kakeibo.assign_article_to_transaction(
+  p_id INTEGER,
+  p_location TEXT
+) RETURNS VOID AS $$
+DECLARE
+  v_article_id INTEGER;
+BEGIN
+  SELECT id INTO v_article_id
+    FROM kakeibo.articles
+   WHERE location = p_location;
+  IF NOT FOUND THEN
+    RAISE EXCEPTION 'location % not found', p_location;
+  END IF;
+  UPDATE kakeibo.transactions
+     SET article_id = v_article_id
+   WHERE id = p_id;
+  IF NOT FOUND THEN
+    RAISE EXCEPTION 'transaction id % not found', p_id;
+  END IF;
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+
+COMMIT;
-- 
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