통계 콘텐츠 세션 원장 추가

db/migrations/072_analytics_content_sessions.sql

@@ -0,0 +1,43 @@
+CREATE TABLE IF NOT EXISTS analytics_content_sessions (
+  content_session_hash TEXT PRIMARY KEY,
+  day DATE NOT NULL,
+  visitor_hash TEXT NOT NULL,
+  session_hash TEXT NOT NULL,
+  path TEXT NOT NULL,
+  post_id UUID REFERENCES posts(id) ON DELETE SET NULL,
+  page_id UUID REFERENCES pages(id) ON DELETE SET NULL,
+  source_group TEXT NOT NULL DEFAULT '',
+  source_name TEXT NOT NULL DEFAULT '',
+  device_type TEXT NOT NULL DEFAULT '',
+  os_name TEXT NOT NULL DEFAULT '',
+  keyword TEXT NOT NULL DEFAULT '',
+  view_recorded BOOLEAN NOT NULL DEFAULT false,
+  first_seen_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  last_seen_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  duration_seconds INTEGER NOT NULL DEFAULT 0,
+  max_scroll_ratio REAL NOT NULL DEFAULT 0,
+  engaged_recorded BOOLEAN NOT NULL DEFAULT false,
+  scroll_25_recorded BOOLEAN NOT NULL DEFAULT false,
+  scroll_50_recorded BOOLEAN NOT NULL DEFAULT false,
+  scroll_75_recorded BOOLEAN NOT NULL DEFAULT false,
+  scroll_100_recorded BOOLEAN NOT NULL DEFAULT false,
+  read_recorded BOOLEAN NOT NULL DEFAULT false,
+  read_at TIMESTAMPTZ
+);
+
+CREATE INDEX IF NOT EXISTS analytics_content_sessions_day_idx
+  ON analytics_content_sessions (day DESC);
+
+CREATE INDEX IF NOT EXISTS analytics_content_sessions_session_idx
+  ON analytics_content_sessions (session_hash);
+
+CREATE INDEX IF NOT EXISTS analytics_content_sessions_post_idx
+  ON analytics_content_sessions (post_id, day DESC)
+  WHERE post_id IS NOT NULL;
+
+CREATE INDEX IF NOT EXISTS analytics_content_sessions_page_idx
+  ON analytics_content_sessions (page_id, day DESC)
+  WHERE page_id IS NOT NULL;
+
+ALTER TABLE analytics_active_sessions
+  ADD COLUMN IF NOT EXISTS content_session_hash TEXT NOT NULL DEFAULT '';