Per-key statistics from a coverage scan of the overflow column for one (CompanyIntegration, entity).
The source key as it appears in the overflow JSON.
Rows in which the key was present with a non-null value.
A bounded sample of observed values for this key, for type inference.
Total rows scanned (rows that had any overflow JSON).
Per-key statistics from a coverage scan of the overflow column for one (CompanyIntegration, entity).