RETENTION (Lakehouse v2)

Calculates retention for a set of events. Returns an array of 0s and 1s.

Analyze Syntax

func.retention(cond1, cond2)

Analyze Examples

func.retention(get_column(table, 'day1'), get_column(table, 'day2'))

SQL Syntax

RETENTION(cond1, cond2)

SQL Examples

SELECT uid, RETENTION(dt='2024-01-01', dt='2024-01-02', dt='2024-01-03')
FROM events GROUP BY uid;

┌─────┬────────────┐
│ uid │ retention  │
├─────┼────────────┤
│   1 │ [1,1,0]    │
│   2 │ [1,0,0]    │
│   3 │ [1,1,1]    │
└─────┴────────────┘