Merged in feature/logVersioning (pull request #40)

Can Sync Versioning

* started

* client

* jobcansync

* tests

database/queries/client.sql

@@ -2,7 +2,19 @@
 INSERT INTO clients (name) VALUES ($1) RETURNING id;
 
 -- name: GetClient :one
-SELECT id, name, canSync FROM clients WHERE id = $1;
+SELECT c.id, c.name, coalesce(cs.canSync, false) as canSync
+    FROM clients as c
+    LEFT JOIN (
+        SELECT clientId, canSync
+        FROM clientCanSync
+        WHERE clientId = $1
+        ORDER BY addedAt DESC
+        LIMIT 1
+    ) as cs on cs.clientId = c.id
+    WHERE c.id = $1;
 
 -- name: UpdateClient :exec
-UPDATE clients SET name = $1, canSync = $2 WHERE id = $3;
+UPDATE clients SET name = $1 WHERE id = $2;
+
+-- name: AddClientCanSync :exec
+INSERT INTO clientCanSync (canSync, clientId) VALUES ($1, $2);