Postupdate added

doc/database/db_post-searchindex.md

@@ -0,0 +1,31 @@
+Table post-searchindex
+===========
+
+Content 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    |       |
+| network    |                                                           | char(4)          | YES  |     | NULL    |       |
+| private    | 0=public, 1=private, 2=unlisted                           | tinyint unsigned | YES  |     | NULL    |       |
+| searchtext | Simplified text for the full text search                  | mediumtext       | YES  |     | NULL    |       |
+
+Indexes
+------------
+
+| Name       | Fields               |
+| ---------- | -------------------- |
+| PRIMARY    | uri-id               |
+| searchtext | FULLTEXT, searchtext |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uri-id | [item-uri](help/database/db_item-uri) | id |
+
+Return to [database documentation](help/database)