sql: forbid same location for part

2023-01-23 14:41:06 +01:00 · 2023-01-23 14:41:06 +01:00 · de89dc9b4a
parent 519759e185
commit de89dc9b4a
1 changed files with 2 additions and 1 deletions
--- a/schema.sql
+++ b/schema.sql
@ -134,5 +134,6 @@ CREATE TABLE IF NOT EXISTS inventory (
 	location INTEGER,
 	quantity INTEGER NOT NULL,
 	FOREIGN KEY (part) REFERENCES part (id),
-	FOREIGN KEY (location) REFERENCES location (id)
+	FOREIGN KEY (location) REFERENCES location (id),
+	UNIQUE (part, location)
 );