51.50. pg_statistic_ext
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The catalog pg_statistic_ext
holds definitions of extended planner statistics. Each row in this catalog corresponds to a statistics object created with CREATE STATISTICS.
Table 51.50. pg_statistic_ext
Columns
pg_statistic_ext
ColumnsThe pg_statistic_ext
entry is filled in completely during CREATE STATISTICS
, but the actual statistical values are not computed then. Subsequent ANALYZE
commands compute the desired values and populate an entry in the pg_statistic_ext_data
catalog.
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