feat: Add ListBaselineStatusCounts to retrieve cumulative baseline feature counts in spanner #1132
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This is from today's discussion with @atopal. (There will be more parts to add the API and frontend parts into the global feature support chart)
This PR introduces the
ListBaselineStatusCounts
function and its associated helper functions to retrieve a cumulative count of baseline features over time.The
ListBaselineStatusCounts
function works similarly toListBrowserFeatureCountMetric
by:startAt
date.startAt
toendAt
).Currently, the function only supports retrieving counts based on the
LowDate
field in theFeatureBaselineStatus
table. However, support forHighDate
can be easily added in the future by expanding theBaselineDateType
enum and updating the query construction logic.This functionality is useful for tracking the overall adoption of baseline features and understanding how the baseline status of features changes over time.