UPDATE: Project Module

db/migrations/0000010_revision.up.sql

@@ -0,0 +1,21 @@
+CREATE TABLE IF NOT EXISTS revisions (
+    id UUID PRIMARY KEY DEFAULT uuidv7(),
+    project_id UUID NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+    version_no INT NOT NULL,
+    snapshot_json JSONB NOT NULL,
+    snapshot_hash TEXT,
+    parent_id UUID REFERENCES revisions(id), 
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    edit_summary TEXT,
+    is_deleted BOOLEAN NOT NULL DEFAULT false,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_revisions_project_history 
+ON revisions (project_id, version_no DESC);
+
+CREATE INDEX idx_revisions_user_history 
+ON revisions (user_id, created_at DESC);    
+
+CREATE INDEX idx_revisions_parent_id 
+ON revisions (parent_id);