Fields
------
-| Field | Description | Type | Null | Key | Default | Extra |
-| ------------ | ------------------------------------------------------------------------------------------------------- | ------------------ | ---- | --- | ------------------- | ----- |
-| uri-id | Id of the item-uri table entry that contains the item uri | int unsigned | NO | PRI | NULL | |
-| owner-id | Item owner | int unsigned | NO | | 0 | |
-| author-id | Item author | int unsigned | NO | | 0 | |
-| causer-id | Link to the contact table with uid=0 of the contact that caused the item creation | int unsigned | YES | | NULL | |
-| network | | char(4) | NO | | | |
-| created | | datetime | NO | | 0001-01-01 00:00:00 | |
-| received | | datetime | NO | | 0001-01-01 00:00:00 | |
-| changed | Date that something in the conversation changed, indicating clients should fetch the conversation again | datetime | NO | | 0001-01-01 00:00:00 | |
-| commented | | datetime | NO | | 0001-01-01 00:00:00 | |
-| uid | Owner id which owns this copy of the item | mediumint unsigned | NO | PRI | 0 | |
-| pinned | deprecated | boolean | NO | | 0 | |
-| starred | | boolean | NO | | 0 | |
-| ignored | Ignore updates for this thread | boolean | NO | | 0 | |
-| wall | This item was posted to the wall of uid | boolean | NO | | 0 | |
-| mention | | boolean | NO | | 0 | |
-| pubmail | | boolean | NO | | 0 | |
-| forum_mode | Deprecated | tinyint unsigned | NO | | 0 | |
-| contact-id | contact.id | int unsigned | NO | | 0 | |
-| unseen | post has not been seen | boolean | NO | | 1 | |
-| hidden | Marker to hide the post from the user | boolean | NO | | 0 | |
-| origin | item originated at this site | boolean | NO | | 0 | |
-| psid | ID of the permission set of this post | int unsigned | YES | | NULL | |
-| post-user-id | Id of the post-user table | int unsigned | YES | | NULL | |
+| Field | Description | Type | Null | Key | Default | Extra |
+| --------------- | ------------------------------------------------------------------------------------------------------- | ------------------ | ---- | --- | ------------------- | ----- |
+| uri-id | Id of the item-uri table entry that contains the item uri | int unsigned | NO | PRI | NULL | |
+| conversation-id | Id of the item-uri table entry that contains the conversation uri | int unsigned | YES | | NULL | |
+| owner-id | Item owner | int unsigned | NO | | 0 | |
+| author-id | Item author | int unsigned | NO | | 0 | |
+| causer-id | Link to the contact table with uid=0 of the contact that caused the item creation | int unsigned | YES | | NULL | |
+| network | | char(4) | NO | | | |
+| created | | datetime | NO | | 0001-01-01 00:00:00 | |
+| received | | datetime | NO | | 0001-01-01 00:00:00 | |
+| changed | Date that something in the conversation changed, indicating clients should fetch the conversation again | datetime | NO | | 0001-01-01 00:00:00 | |
+| commented | | datetime | NO | | 0001-01-01 00:00:00 | |
+| uid | Owner id which owns this copy of the item | mediumint unsigned | NO | PRI | 0 | |
+| pinned | deprecated | boolean | NO | | 0 | |
+| starred | | boolean | NO | | 0 | |
+| ignored | Ignore updates for this thread | boolean | NO | | 0 | |
+| wall | This item was posted to the wall of uid | boolean | NO | | 0 | |
+| mention | | boolean | NO | | 0 | |
+| pubmail | | boolean | NO | | 0 | |
+| forum_mode | Deprecated | tinyint unsigned | NO | | 0 | |
+| contact-id | contact.id | int unsigned | NO | | 0 | |
+| unseen | post has not been seen | boolean | NO | | 1 | |
+| hidden | Marker to hide the post from the user | boolean | NO | | 0 | |
+| origin | item originated at this site | boolean | NO | | 0 | |
+| psid | ID of the permission set of this post | int unsigned | YES | | NULL | |
+| post-user-id | Id of the post-user table | int unsigned | YES | | NULL | |
Indexes
------------
-| Name | Fields |
-| ----------------- | ------------------- |
-| PRIMARY | uid, uri-id |
-| uri-id | uri-id |
-| owner-id | owner-id |
-| author-id | author-id |
-| causer-id | causer-id |
-| uid | uid |
-| contact-id | contact-id |
-| psid | psid |
-| post-user-id | post-user-id |
-| commented | commented |
-| uid_received | uid, received |
-| uid_wall_received | uid, wall, received |
-| uid_commented | uid, commented |
-| uid_starred | uid, starred |
-| uid_mention | uid, mention |
+| Name | Fields |
+| -------------------- | --------------------- |
+| PRIMARY | uid, uri-id |
+| uri-id | uri-id |
+| conversation-id | conversation-id |
+| owner-id | owner-id |
+| author-id | author-id |
+| causer-id | causer-id |
+| uid | uid |
+| contact-id | contact-id |
+| psid | psid |
+| post-user-id | post-user-id |
+| commented | commented |
+| received | received |
+| author-id_created | author-id, created |
+| owner-id_created | owner-id, created |
+| uid_received | uid, received |
+| uid_wall_received | uid, wall, received |
+| uid_commented | uid, commented |
+| uid_created | uid, created |
+| uid_starred | uid, starred |
+| uid_mention | uid, mention |
+| contact-id_commented | contact-id, commented |
+| contact-id_received | contact-id, received |
+| contact-id_created | contact-id, created |
Foreign Keys
------------
| Field | Target Table | Target Field |
|-------|--------------|--------------|
| uri-id | [item-uri](help/database/db_item-uri) | id |
+| conversation-id | [item-uri](help/database/db_item-uri) | id |
| owner-id | [contact](help/database/db_contact) | id |
| author-id | [contact](help/database/db_contact) | id |
| causer-id | [contact](help/database/db_contact) | id |