On 12/03/2016 03:57 PM, Samuel Williams wrote:
With some indexes, it looks like MySQL might not be adding all data to the index (e.g. ignoring NULL values). Does MySQL ignore null values in an index? Can we get the same behaviour in Postgres to minimise usage? What would be the recommendation here?
I don't think you are going to find many answers about the MySQL implementation (since it will be storage engine specific and it isn't Postgres) on a PostgreSQL list.
Sincerely, JD -- Command Prompt, Inc. http://the.postgres.company/ +1-503-667-4564 PostgreSQL Centered full stack support, consulting and development. Everyone appreciates your honesty, until you are honest with them. Unless otherwise stated, opinions are my own. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
