Merge remote-tracking branch 'upstream/develop' into api-edit

[friendica.git] / doc / database / db_attach.md

diff --git a/doc/database/db_attach.md b/doc/database/db_attach.md
index 7dde8f860d563da15a9930ef7f98e827b84543c3..76d8e01f2094a64c1fc38eac7b39cefcfe82195c 100644 (file)
--- a/doc/database/db_attach.md
+++ b/doc/database/db_attach.md
@@ -1,22 +1,42 @@
 Table attach
-============
-
-| Field      | Description                                           | Type         | Null | Key | Default             | Extra           |
-| ---------- | ------------------------------------------------------| ------------ | ---- | --- | ------------------- | --------------- |
-| id         | generated index                                       | int(11)      | NO   | PRI | NULL                | auto_increment  |
-| uid        | user_id of owner                                      | int(11)      | NO   |     | 0                   |                 |
-| hash       | hash                                                  | varchar(64)  | NO   |     |                     |                 |
-| filename   | filename of original                                  | varchar(255) | NO   |     |                     |                 |
-| filetype   | mimetype                                              | varchar(64)  | NO   |     |                     |                 |
-| filesize   | size in bytes                                         | int(11)      | NO   |     | 0                   |                 |
-| data       | file data                                             | longblob     | NO   |     | NULL                |                 |
-| created    | creation time                                         | datetime     | NO   |     | 0001-01-01 00:00:00 |                 |
-| edited     | last edit time                                        | datetime     | NO   |     | 0001-01-01 00:00:00 |                 |
-| allow_cid  | Access Control - list of allowed contact.id '<19><78> | mediumtext   | NO   |     | NULL                |                 |
-| allow_gid  | Access Control - list of allowed groups               | mediumtext   | NO   |     | NULL                |                 |
-| deny_cid   | Access Control - list of denied contact.id            | mediumtext   | NO   |     | NULL                |                 |
-| deny_gid   | Access Control - list of denied groups                | mediumtext   | NO   |     | NULL                |                 |
-
-Notes: Permissions are surrounded by angle chars. e.g. <4>
+===========
+
+file attachments
+
+Fields
+------
+
+| Field         | Description                                           | Type               | Null | Key | Default             | Extra          |
+| ------------- | ----------------------------------------------------- | ------------------ | ---- | --- | ------------------- | -------------- |
+| id            | generated index                                       | int unsigned       | NO   | PRI | NULL                | auto_increment |
+| uid           | Owner User id                                         | mediumint unsigned | NO   |     | 0                   |                |
+| hash          | hash                                                  | varchar(64)        | NO   |     |                     |                |
+| filename      | filename of original                                  | varchar(255)       | NO   |     |                     |                |
+| filetype      | mimetype                                              | varchar(64)        | NO   |     |                     |                |
+| filesize      | size in bytes                                         | int unsigned       | NO   |     | 0                   |                |
+| data          | file data                                             | longblob           | NO   |     | NULL                |                |
+| created       | creation time                                         | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
+| edited        | last edit time                                        | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
+| allow_cid     | Access Control - list of allowed contact.id '<19><78> | mediumtext         | YES  |     | NULL                |                |
+| allow_gid     | Access Control - list of allowed groups               | mediumtext         | YES  |     | NULL                |                |
+| deny_cid      | Access Control - list of denied contact.id            | mediumtext         | YES  |     | NULL                |                |
+| deny_gid      | Access Control - list of denied groups                | mediumtext         | YES  |     | NULL                |                |
+| backend-class | Storage backend class                                 | tinytext           | YES  |     | NULL                |                |
+| backend-ref   | Storage backend data reference                        | text               | YES  |     | NULL                |                |
+
+Indexes
+------------
+
+| Name    | Fields |
+| ------- | ------ |
+| PRIMARY | id     |
+| uid     | uid    |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uid | [user](help/database/db_user) | uid |
 
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