X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=doc%2Fdatabase%2Fdb_post-category.md;h=f28e306f1743c3a8b0d4be096bbbd981dbda423b;hb=dacda1b3647c366cba91a065ebe6264ae968e68f;hp=14663cf5bbfe9048987909d12853202a26675c84;hpb=2cd0c1d30d237806e9c3853aa0645f786e31855c;p=friendica.git

diff --git a/doc/database/db_post-category.md b/doc/database/db_post-category.md
index 14663cf5bb..f28e306f17 100644
--- a/doc/database/db_post-category.md
+++ b/doc/database/db_post-category.md
@@ -3,6 +3,9 @@ Table post-category
 
 post relation to categories
 
+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    |       |
@@ -10,4 +13,22 @@ post relation to categories
 | type   |                                                           | tinyint unsigned   | NO   | PRI | 0       |       |
 | tid    |                                                           | int unsigned       | NO   | PRI | 0       |       |
 
+Indexes
+------------
+
+| Name       | Fields                 |
+| ---------- | ---------------------- |
+| PRIMARY    | uri-id, uid, type, tid |
+| tid        | tid                    |
+| uid_uri-id | uid, uri-id            |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uri-id | [item-uri](help/database/db_item-uri) | id |
+| uid | [user](help/database/db_user) | uid |
+| tid | [tag](help/database/db_tag) | id |
+
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