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coder/coderd/database/migrations/000462_chat_file_links.down.sql
T
Cian Johnston d5a1792f07 feat: track chat file associations with chat_file_links on chats (#23537)
Needed by #23833

Adds a `chat_file_links` association table to track which files are
associated with each chat.

- `AppendChatFileIDs` query links a file to a chat with deduplication
- `GetChatFileMetadataByIDs` query returns lightweight file metadata by
IDs
- Tool-created files (e.g. `propose_plan`) are linked to the chat after
insert
- User-uploaded files are linked to the chat when the referencing
message is sent
- Single-chat GET endpoint hydrates `files: ChatFileMetadata[]` on the
response

> 🤖 Created by Coder Agents and massaged into shape by a human.
2026-04-07 12:05:29 +01:00

10 lines
251 B
SQL

ALTER TABLE chats ADD COLUMN file_ids uuid[] DEFAULT '{}'::uuid[] NOT NULL;
UPDATE chats SET file_ids = (
SELECT COALESCE(array_agg(cfl.file_id), '{}')
FROM chat_file_links cfl
WHERE cfl.chat_id = chats.id
);
DROP TABLE chat_file_links;