update scripts; add sources to languages as an example

schema/langs.sql

@@ -10,8 +10,9 @@ CREATE TABLE langs (
   lang TEXT NOT NULL UNIQUE,
   speakers TEXT NOT NULL UNIQUE,
   rarity_id INTEGER NOT NULL,
-  src_book INTEGER NOT NULL,
-  src_pages TEXT NOT NULL,
-  FOREIGN KEY (rarity_id) REFERENCES langsrarity(rarity_id)
+  sources_id INTEGER NOT NULL,
+  sources_pages TEXT NOT NULL,
+  FOREIGN KEY (rarity_id) REFERENCES langsrarity(rarity_id),
+  FOREIGN KEY (sources_id) REFERENCES sources(sources_id)
 );
 

schema/sources.sql

@@ -1,5 +1,7 @@
 -- -*- mode:sql sql-product:sqlite -*-
 
+-- MUST BE CALLED EARLY IN SCRIPT
+
 CREATE TABLE sources (
   sources_id INTEGER PRIMARY KEY,
   sources_full_name TEXT NOT NULL UNIQUE,