add data migration script

db/postgresql/migration_v2.sql

@@ -0,0 +1,80 @@
+-- account
+DELETE FROM "user"
+WHERE username = 'admin';
+
+INSERT INTO "user"
+(user_id, username, password, role, created_at, updated_at, deleted_at)
+SELECT account_uuid,
+    username,
+    password,
+    CASE WHEN is_admin = true THEN 'admin' ELSE 'user' END,
+    created_at,
+    updated_at,
+    NULL
+FROM v1_account;
+
+-- website
+INSERT INTO website
+(website_id, name, domain, share_id, rev_id, user_id, team_id, created_at)
+SELECT website_uuid,
+    name,
+    domain,
+    share_id,
+    0 rev_id,
+    a.account_uuid,
+    NULL team_id,
+    a.created_at
+FROM v1_website w
+JOIN v1_account a
+ON a.user_id = w.user_id;
+
+-- session
+INSERT INTO session
+(session_id, website_id, hostname, browser, os, device, screen, language, country)
+SELECT session_uuid,
+    w.website_uuid,
+    hostname,
+    browser,
+    os,
+    device,
+    screen,
+    language,
+    country
+FROM v1_session s
+JOIN v1_website w
+ON w.website_id = s.website_id;
+
+-- pageview
+INSERT INTO website_event
+(event_id, website_id, session_id, created_at, url, referrer, event_type)
+SELECT gen_random_uuid() event_id,
+    w.website_uuid,
+    s.session_uuid,
+    p.created_at,
+    p.url,
+    p.referrer,
+    1 event_type
+FROM v1_pageview p
+JOIN v1_session s
+ON s.session_id = s.session_id
+JOIN v1_website w
+ON w.website_id = s.website_id;
+
+-- event / event_data
+INSERT INTO website_event
+(event_id, website_id, session_id, created_at, url, event_type, event_name, event_data)
+SELECT e.event_uuid,
+    w.website_uuid,
+    s.session_uuid,
+    e.created_at,
+    e.url,
+    1 event_type,
+    e.event_name,
+    ed.event_data
+FROM v1_event e
+JOIN v1_session s
+ON s.session_id = s.session_id
+JOIN v1_website w
+ON w.website_id = s.website_id
+LEFT JOIN v1_event_data ed
+ON ed.event_id = e.event_id;