updates

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

internal/database/migrations/sqlite/000001_init_schema.up.sql

@@ -6,15 +6,6 @@ create table if not exists comments (
     updated timestamp not null default current_timestamp
 );
 
-create table if not exists modules (
-    id integer primary key autoincrement not null,
-    name varchar not null ,
-    version varchar not null,
-    package integer not null,
-    last_version varchar not null,
-    created timestamp not null default current_timestamp,
-    updated timestamp not null default current_timestamp
-);
 
 create table if not exists issues (
     id integer primary key autoincrement not null,
@@ -36,3 +27,22 @@ create table if not exists packages (
     status integer default 1,
     last_check timestamp
 );
+
+CREATE UNIQUE INDEX IF NOT EXISTS unique_idx_url on packages (url);
+
+create table if not exists modules (
+    id integer primary key autoincrement not null,
+    name varchar not null,
+    version varchar not null,
+    last_check timestamp not null default current_timestamp
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS unique_idx_name_version on modules (name,version);
+
+create table if not exists packages_modules (
+    id integer primary key autoincrement not null,
+    package integer,
+    module integer not null
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS unique_idx_package_module on packages_modules (package,module);