friendica/doc/database/db_mail.md

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Table mail

private messages

Fields

Field Description Type Null Key Default Extra
id sequential ID int unsigned NO PRI NULL auto_increment
uid Owner User id mediumint unsigned NO 0
guid A unique identifier for this private message varbinary(255) NO
from-name name of the sender varchar(255) NO
from-photo contact photo link of the sender varbinary(383) NO
from-url profile link of the sender varbinary(383) NO
contact-id contact.id varbinary(255) YES NULL
author-id Link to the contact table with uid=0 of the author of the mail int unsigned YES NULL
convid conv.id int unsigned YES NULL
title varchar(255) NO
body mediumtext YES NULL
seen if message visited it is 1 boolean NO 0
reply boolean NO 0
replied boolean NO 0
unknown if sender not in the contact table this is 1 boolean NO 0
uri varbinary(383) NO
uri-id Item-uri id of the related mail int unsigned YES NULL
parent-uri varbinary(383) NO
parent-uri-id Item-uri id of the parent of the related mail int unsigned YES NULL
thr-parent varbinary(383) YES NULL
thr-parent-id Id of the item-uri table that contains the thread parent uri int unsigned YES NULL
created creation time of the private message datetime NO 0001-01-01 00:00:00

Indexes

Name Fields
PRIMARY id
uid_seen uid, seen
convid convid
uri uri(64)
parent-uri parent-uri(64)
contactid contact-id(32)
author-id author-id
uri-id uri-id
parent-uri-id parent-uri-id
thr-parent-id thr-parent-id

Foreign Keys

Field Target Table Target Field
uid user uid
author-id contact id
uri-id item-uri id
parent-uri-id item-uri id
thr-parent-id item-uri id

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