Add key-value table

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2023.03-dev (Giant Rhubarb)
--- DB_UPDATE_VERSION 1504
+-- DB_UPDATE_VERSION 1505
 -- ------------------------------------------
 
 
@@ -839,6 +839,17 @@ CREATE TABLE IF NOT EXISTS `intro` (
 	FOREIGN KEY (`suggest-cid`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='';
 
+--
+-- TABLE key-value
+--
+CREATE TABLE IF NOT EXISTS `key-value` (
+	`id` int unsigned NOT NULL auto_increment COMMENT '',
+	`k` varbinary(50) NOT NULL DEFAULT '' COMMENT '',
+	`v` mediumtext COMMENT '',
+	 PRIMARY KEY(`id`),
+	 UNIQUE INDEX `k` (`k`)
+) DEFAULT COLLATE utf8mb4_general_ci COMMENT='A key value storage';
+
 --
 -- TABLE locks
 --

doc/database.md

@@ -40,6 +40,7 @@ Database Tables
 | [inbox-status](help/database/db_inbox-status) | Status of ActivityPub inboxes |
 | [intro](help/database/db_intro) |  |
 | [item-uri](help/database/db_item-uri) | URI and GUID for items |
+| [key-value](help/database/db_key-value) | A key value storage |
 | [locks](help/database/db_locks) |  |
 | [mail](help/database/db_mail) | private messages |
 | [mailacct](help/database/db_mailacct) | Mail account data for fetching mails |

doc/database/db_key-value.md

@@ -0,0 +1,24 @@
+Table key-value
+===========
+
+A key value storage
+
+Fields
+------
+
+| Field | Description | Type          | Null | Key | Default | Extra          |
+| ----- | ----------- | ------------- | ---- | --- | ------- | -------------- |
+| id    |             | int unsigned  | NO   | PRI | NULL    | auto_increment |
+| k     |             | varbinary(50) | NO   |     |         |                |
+| v     |             | mediumtext    | YES  |     | NULL    |                |
+
+Indexes
+------------
+
+| Name    | Fields    |
+| ------- | --------- |
+| PRIMARY | id        |
+| k       | UNIQUE, k |
+
+
+Return to [database documentation](help/database)

static/dbstructure.config.php

@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1504);
+	define('DB_UPDATE_VERSION', 1505);
 }
 
 return [
@@ -889,6 +889,18 @@ return [
 			"uid" => ["uid"],
 		]
 	],
+	"key-value" => [
+		"comment" => "A key value storage",
+		"fields" => [
+			"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => ""],
+			"k" => ["type" => "varbinary(50)", "not null" => "1", "default" => "", "comment" => ""],
+			"v" => ["type" => "mediumtext", "comment" => ""],
+		],
+		"indexes" => [
+			"PRIMARY" => ["id"],
+			"k" => ["UNIQUE", "k"],
+		],
+	],
 	"locks" => [
 		"comment" => "",
 		"fields" => [