CREATE TABLE `messages` ( `id` text PRIMARY KEY NOT NULL, `channel_at_uri` text, `author_did` text NOT NULL, `content` text NOT NULL, `created_at` integer DEFAULT (unixepoch('now')) NOT NULL ); --> statement-breakpoint CREATE INDEX `messages_channel_idx` ON `messages` (`channel_at_uri`,`created_at`);--> statement-breakpoint CREATE INDEX `messages_author_idx` ON `messages` (`author_did`);