Drizzle Team•2y ago

Composite key with different sorting order

pgTable(
  'admin_patient_message',
  {
    id: char('id', { length: 36 }).primaryKey().notNull(),
    message: text('message').notNull(),
    patientId: char('patient_id', { length: 36 }).notNull(),
    senderId: char('sender_id', { length: 36 }).notNull(),
    attachments: json('attachments'),
    sentAt: bigint('sent_at', { mode: 'number' }).notNull(),
  },
  (t) => ({
    // Index modified on the generated schema
    patientMessagesIdx: index('patient_messages_idx').on(t.patientId, t.sentAt),
  })
);

pgTable(
  'admin_patient_message',
  {
    id: char('id', { length: 36 }).primaryKey().notNull(),
    message: text('message').notNull(),
    patientId: char('patient_id', { length: 36 }).notNull(),
    senderId: char('sender_id', { length: 36 }).notNull(),
    attachments: json('attachments'),
    sentAt: bigint('sent_at', { mode: 'number' }).notNull(),
  },
  (t) => ({
    // Index modified on the generated schema
    patientMessagesIdx: index('patient_messages_idx').on(t.patientId, t.sentAt),
  })
);

I wanted to make a composite index on the patientId and sentAt but I wanted the sentAt to be in DESC order. This is what the index I wanted to have CREATE INDEX IF NOT EXISTS "patient_messages_idx" ON "admin_patient_message" ("patient_id","sent_at" DESC);

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Composite key with different sorting order