StarsDB: initialize database

astrodatagui/db/StarsDB.py

@@ -37,4 +37,38 @@ class StarDB():
             self.initializeDB()
 
     def initializeDB(self):
-        return
+        print("Initializing database")
+        self.dbCursor.execute("""CREATE TABLE IF NOT EXISTS starnames
+         (
+           starID INTEGER NOT NULL,
+           name TEXT UNIQUE,
+           PRIMARY KEY (starID, name)
+         );""")
+
+        self.dbCursor.execute("""CREATE TABLE IF NOT EXISTS sequenceSourceNames
+         (
+           sequenceSourceNameID INTEGER NOT NULL,
+           name TEXT UNIQUE,
+           PRIMARY KEY (sequenceSourceNameID, name)
+         );""")
+
+        self.dbCursor.execute("""CREATE TABLE IF NOT EXISTS sequences
+         (
+           sequencesID INTEGER NOT NULL,
+           sequence INTEGER NOT NULL,
+           PRIMARY KEY (sequencesID, sequence)
+         );""")
+
+        self.dbCursor.execute("""CREATE TABLE IF NOT EXISTS stars
+         (
+           starID INTEGER NOT NULL,
+           sequenceSourceNameID INTEGER NOT NULL,
+           sequencesID INTEGER NOT NULL,
+           filename TEXT,
+           PRIMARY KEY (starID, seqienceSourceNameID, sequenceStart),
+           FOREIGN KEY (starID) REFERENCES starnames(starID),
+           FOREIGN KEY (sequenceSourceNameID) REFERENCES sequenceSourceNames(sequenceSourceNameID)
+           FOREIGN KEY (sequencesID) REFERENCES sequences(sequencesID)
+         );""")
+
+        self.dbCursor.commit()