From 622c83a987f8c0e22a7d6e4e7835381a6c5d59ad Mon Sep 17 00:00:00 2001
From: Cayo Puigdefabregas <cayo@puigdefabregas.eu>
Date: Fri, 24 Jan 2025 11:32:43 +0100
Subject: [PATCH] add converter from sql to csv

---
 example/migrations/migration.sql | 56 ++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 example/migrations/migration.sql

diff --git a/example/migrations/migration.sql b/example/migrations/migration.sql
new file mode 100644
index 0000000..1b48a03
--- /dev/null
+++ b/example/migrations/migration.sql
@@ -0,0 +1,56 @@
+-- Defined the email of user
+\set email 'user@example.org'
+
+-- save dhids and uuids of snapshots
+copy(
+select d.devicehub_id as dhid, sp.uuid from usody.action_with_one_device as one
+  join usody.action as ac on ac.id=one.id
+  join usody.device as d on d.id=one.device_id
+  join usody.snapshot as sp on sp.id=one.id
+  join common.user as u on u.id=ac.author_id
+where u.email=:'email'
+  and not sp.uuid is null and not d.devicehub_id is null
+) to '/var/lib/postgresql/dhids.csv'
+with (format csv, header, delimiter ';', quote '"');
+
+
+-- save lots and types
+copy(
+select distinct l.name, 'Incoming' from usody.transfer as t
+  join usody.lot as l on l.id=t.lot_id
+  join common.user as u on u.id=l.owner_id
+where u.email=:'email' and
+    t.user_to_id=u.id and
+    l.owner_id=u.id
+) to '/var/lib/postgresql/lot_incoming.csv'
+with (format csv, header, delimiter ';', quote '"');
+
+copy(
+select distinct l.name, 'Outgoing' from usody.transfer as t
+  join usody.lot as l on l.id=t.lot_id
+  join common.user as u on u.id=l.owner_id
+where u.email=:'email' and
+    t.user_from_id=u.id and
+    l.owner_id=u.id
+) to '/var/lib/postgresql/lot_outgoing.csv'
+with (format csv, header, delimiter ';', quote '"');
+
+copy(
+select distinct l.name, 'Temporary' from usody.lot as l
+  left join usody.transfer as t on t.lot_id=l.id
+  join common.user as u on u.id=l.owner_id
+where u.email=:'email' and
+  l.owner_id=u.id and
+  t.lot_id is null
+) to '/var/lib/postgresql/lot_temporary.csv'
+with (format csv, header, delimiter ';', quote '"');
+
+-- save devices in lots
+copy(
+select l.name as lot_name, d.devicehub_id as dhid from usody.lot_device as ld
+  join usody.lot as l on l.id=ld.lot_id
+  join usody.device as d on d.id=ld.device_id
+  join common.user as u on u.id=ld.author_id
+where u.email=:'email'
+) to '/var/lib/postgresql/devices-lots.csv'
+with (format csv, header, delimiter ';', quote '"');