update

ddl/posts.sql

@@ -1,30 +1,21 @@
--- Posts table: stores blog post information
 CREATE TABLE IF NOT EXISTS posts (
-    id BIGSERIAL PRIMARY KEY,
+    id BIGSERIAL,
     title VARCHAR(255) NOT NULL,
     content TEXT NOT NULL,
-    view_count BIGINT DEFAULT 0,
+    cover_id BIGINT,
     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (id)
 );
 
--- Index for sorting posts by creation date
-CREATE INDEX IF NOT EXISTS idx_posts_created_at ON posts(created_at DESC);
+COMMENT ON TABLE posts IS 'Blog posts table';
 
--- Index for sorting posts by view count (popular posts)
-CREATE INDEX IF NOT EXISTS idx_posts_view_count ON posts(view_count DESC);
-
--- Index for sorting posts by update date
-CREATE INDEX IF NOT EXISTS idx_posts_updated_at ON posts(updated_at DESC);
-
--- Combined index for pagination queries
-CREATE INDEX IF NOT EXISTS idx_posts_created_view ON posts(created_at DESC, view_count DESC);
-
--- Comments on columns
-COMMENT ON TABLE posts IS 'Blog posts table containing article information';
-COMMENT ON COLUMN posts.id IS 'Primary key, auto-incrementing post ID';
-COMMENT ON COLUMN posts.title IS 'Post title';
-COMMENT ON COLUMN posts.content IS 'Post content in text format';
-COMMENT ON COLUMN posts.view_count IS 'Number of times the post has been viewed';
+COMMENT ON COLUMN posts.id IS 'Unique identifier for the post';
+COMMENT ON COLUMN posts.title IS 'Title of the blog post';
+COMMENT ON COLUMN posts.content IS 'Content of the blog post';
+COMMENT ON COLUMN posts.cover_id IS 'Reference to the cover image file id';
 COMMENT ON COLUMN posts.created_at IS 'Timestamp when the post was created';
-COMMENT ON COLUMN posts.updated_at IS 'Timestamp when the post was last updated';
+COMMENT ON COLUMN posts.updated_at IS 'Timestamp when the post was last updated';
+
+CREATE INDEX idx_posts_created_at ON posts(created_at);
+CREATE INDEX idx_posts_cover_id ON posts(cover_id);