Path: | lib/sequel/extensions/pg_loose_count.rb |
Last Update: | Thu Nov 12 08:45:04 +0000 2015 |
The pg_loose_count extension looks at the table statistics in the PostgreSQL system tables to get a fast approximate count of the number of rows in a given table:
DB.loose_count(:table) # => 123456
It can also support schema qualified tables:
DB.loose_count(:schema__table) # => 123456
How accurate this count is depends on the number of rows added/deleted from the table since the last time it was analyzed.
To load the extension into the database:
DB.extension :pg_loose_count