SHOW STATS

Synopsis

SHOW STATS FOR table
SHOW STATS FOR ( query )

Description

Returns approximated statistics for the named table or for the results of a query.

Statistics are returned for each column, along with a summary row.

Column	Description
column_name	The name of the column (NULL for the summary row)
data_size	The total size in bytes of all of the values in the column
distinct_values_count	The number of distinct values in the column
nulls_fractions	The portion of the values in the column that are NULL
row_count	The number of rows (only returned for the summary row)
low_value	The lowest value found in this column (only for some types)
high_value	The highest value found in this column (only for some types)