#1094

User's First Purchase

CRM is building the first purchase date for each buyer. In a_events, use events where kind = 'purchase', find the earliest date from ts for each user_id, and return user_id and first_purchase, sorted by user_id.

Kampjun tal-output mistenni

Dan hu kif tidher tweġiba korretta — l-għadd tar-ringieli huwa tiegħu stess, m'għandux għalfejn jaqbel mat-tabelli tal-iskema.

user_idfirst_purchase
12024-01-05
32024-01-05
52024-01-07

Ir-riżultat tal-query tiegħek jidher hawn