6 lines
218 B
SQL
6 lines
218 B
SQL
|
ALTER TABLE chat_messages ADD COLUMN IF NOT EXISTS pinned_at TIMESTAMPTZ;
|
||
|
|
|
||
|
|
CREATE INDEX IF NOT EXISTS idx_chat_messages_pinned
|
||
|
|
ON chat_messages (user_id, mentor_id, pinned_at DESC)
|
||
|
|
WHERE pinned_at IS NOT NULL;
|