-- Compute Metrics via Expressions
SELECT
  metric_time__day
  , COALESCE(bookings, 0) AS bookings_fill_nulls_with_0_without_time_spine
FROM (
  -- Aggregate Measures
  SELECT
    metric_time__day
    , SUM(bookings) AS bookings
  FROM (
    -- Read Elements From Semantic Model 'bookings_source'
    -- Metric Time Dimension 'ds'
    -- Pass Only Elements: ['bookings', 'metric_time__day']
    SELECT
      DATE_TRUNC('day', ds) AS metric_time__day
      , 1 AS bookings
    FROM ***************************.fct_bookings bookings_source_src_10001
  ) subq_6
  GROUP BY
    metric_time__day
) subq_7
