holds data for extended planner statistics defined in
Each row in this catalog corresponds to a statistics object
created with CREATE STATISTICS.
pg_statistic_ext_data should not be
readable by the public, since the contents might be considered sensitive.
(Example: most common combinations of values in columns might be quite
is a publicly readable view
pg_statistic_ext_data (after joining
pg_statistic_ext) that only exposes
information about those tables and columns that are readable by the
|Extended statistic object containing the definition for this data|
N-distinct counts, serialized as |
Functional dependency statistics, serialized
MCV (most-common values) list statistics, serialized as