In file perform.sgml is written:
The amount of information stored in
<structname>pg_statistic</structname>,
in particular the maximum number of entries in the
<structfield>most_common_vals</> and
<structfield>histogram_bounds</>
arrays for each column, can be set on a ...
But most_common_vals and histogram_bounds are columns
from the view pg_stats and not from the table
pg_statistic.
Halley
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