db.attribute.pg.stats: Constructor for class db.attribute.pg.stats

Description Usage Arguments

Description

PostgreSQL statistics concerning the attribute

Usage

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db.attribute.pg.stats(schemaname, tablename, attname, null_frac = NA,
  n_distinct = NA, most_common_vals = NA, most_common_freqs = NA,
  histogram_bounds = NA, internalid, internalname)

Arguments

schemaname

the name of DB schema

tablename

the name of DB table

attname

the name of the attribute

null_frac

DB-estimated proportion of NULL values

n_distinct

DB-estimated number of distinct values

most_common_vals

JSON-encoded table of most common attribute values (as estimated by DB)

most_common_freqs

JSON-encoded table of the frequencies of most common attribute values (as estimated by DB)

histogram_bounds

JSON-encoded table of the histogram bounds of attribute values

internalid

(reserved)

internalname

(reserved)

statlevel

level of the statistics collected by DB


cezden/rpostgrexplorer documentation built on May 13, 2019, 3:08 p.m.