Structure for all posts
+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 | |
| visible | | boolean | NO | | 0 | |
| deleted | item has been marked for deletion | boolean | NO | | 0 | |
+Indexes
+------------
+
+| Name | Fields |
+| ------------- | ------------- |
+| PRIMARY | uri-id |
+| parent-uri-id | parent-uri-id |
+| thr-parent-id | thr-parent-id |
+| external-id | external-id |
+| owner-id | owner-id |
+| author-id | author-id |
+| causer-id | causer-id |
+| vid | vid |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uri-id | [item-uri](help/database/db_item-uri) | id |
+| parent-uri-id | [item-uri](help/database/db_item-uri) | id |
+| thr-parent-id | [item-uri](help/database/db_item-uri) | id |
+| external-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 |
+| vid | [verb](help/database/db_verb) | id |
+
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