get_attavgwidth_hook
A hook for controlling an algorithm for predicting the average width of entries in the column
get_attavgwidth_hook is a hook for controlling an algorithm for predicting the average width of entries in the column.
get_attavgwidth_hook was added in PostgreSQL 8.4 (commit 7b7df9f0).
References
- Unofficial documentation: get_attavgwidth_hook