going somewhere.

migrations/create_tables_001.sql

@@ -38,17 +38,41 @@ CREATE TABLE IF NOT EXISTS security_permissions
 
 );
 
+CREATE TABLE IF NOT EXISTS account_types
+(
+    name TEXT PRIMARY KEY
+) STRICT;
+
+INSERT INTO account_types(name)
+VALUES ('checking'),
+       ('security_emitter');
+
 CREATE TABLE IF NOT EXISTS accounts
 (
     id            INTEGER PRIMARY KEY AUTOINCREMENT,
     security      INTEGER  NOT NULL,
-    owner         INTEGER  NOT NULL,
+    account_type  TEXT     NOT NULL,
+
+    owner         INTEGER  NOT NULL, -- todo: remove
     amount        INTEGER  NOT NULL,
     timestamp     DATETIME NOT NULL,
     creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
 
     FOREIGN KEY (security) REFERENCES securities (id),
-    FOREIGN KEY (owner) REFERENCES users (id)
+    FOREIGN KEY (owner) REFERENCES users (id),
+    FOREIGN KEY (account_type) REFERENCES account_types (name)
+);
+
+CREATE TABLE IF NOT EXISTS account_user_permissions
+(
+    id            INTEGER PRIMARY KEY AUTOINCREMENT,
+    account_id    INTEGER NOT NULL,
+    user_id       INTEGER NOT NULL,
+    creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
+
+    FOREIGN KEY (account_id) REFERENCES account (id),
+    FOREIGN KEY (user_id) REFERENCES users (id)
+
 );