Re: SQL Backend for IMAP METADATA Dictionary

On 31 July 2021 9.12.53 UTC, Joseph D Wagner joe@josephdwagner.info wrote:

I've seen documentation on using a SQL backend for quota dictionary and passdb&userdb dictionary. However, I can't find any examples of a SQL backend for IMAP METADATA / mail_attributes_dict.

Is this combination possible? If so, is there an example somewhere?

I am unsure what data structures it's expected or how to create the map entries for it.

Thanks in advance.

Joseph D. Wagner

Hi Joseph,

try

mail_attributes_dict = proxy::attr

dict { attr = sql:/path/to/config }

map { pattern = /shared/$key table = attr_shared fields { attr_name = $key } value_field = attr_value }

map { pattern = /priv/$key table = attr_priv fields { attr_name = $key } username_field = username value_field = attr_value }

SQL

CREATE TABLE attr_shared ( attr_name VARCHAR(255) PRIMARY KEY NOT NULL, attr_value VARCHAR(65535) )

CREATE TABLE attr_priv ( attr_name VARCHAR(255) NOT NULL, username VARCHAR(255) NOT NULL, attr_value VARCHAR(65535) PRIMARY KEY(attr_name, username) )

Hopefully correct :)

Aki