sql/query_stat_io_time.sql

[Dsolik]

Hello, tell me why in sql (sql/query_stat_io_time.sql) in avg_time multiplication by 1000 is performed ( (sum(total_time)1000/sum(calls))::numeric(10,3) AS avg_time and (total_time1000/calls)::numeric(20,2) AS avg_time) ?