From 5ab70be18297194615f70fce588f97d029729781 Mon Sep 17 00:00:00 2001
From: Kevin Pham <keevan.pham@gmail.com>
Date: Mon, 28 Jun 2021 17:02:28 +1000
Subject: [PATCH] MDL-49795 mod_data: Add userid foreign key to data_records

---
 mod/data/db/install.xml |  3 ++-
 mod/data/db/upgrade.php | 14 +++++++++++++-
 mod/data/version.php    |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/mod/data/db/install.xml b/mod/data/db/install.xml
index 38f427a1c80b2..a9c9de292d1f4 100644
--- a/mod/data/db/install.xml
+++ b/mod/data/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="mod/data/db" VERSION="20160906" COMMENT="XMLDB file for Moodle mod/data"
+<XMLDB PATH="mod/data/db" VERSION="20220530" COMMENT="XMLDB file for Moodle mod/data"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
 >
@@ -91,6 +91,7 @@
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
         <KEY NAME="dataid" TYPE="foreign" FIELDS="dataid" REFTABLE="data" REFFIELDS="id"/>
+        <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
       </KEYS>
     </TABLE>
     <TABLE NAME="data_content" COMMENT="the content introduced in each record/fields">
diff --git a/mod/data/db/upgrade.php b/mod/data/db/upgrade.php
index 1fb0b4c4ee35c..c7b0f7a615764 100644
--- a/mod/data/db/upgrade.php
+++ b/mod/data/db/upgrade.php
@@ -22,13 +22,25 @@
 defined('MOODLE_INTERNAL') || die();
 
 function xmldb_data_upgrade($oldversion) {
-    global $CFG;
+    global $DB;
+
+    $dbman = $DB->get_manager(); // Loads ddl manager and xmldb classes.
 
     // Automatically generated Moodle v3.9.0 release upgrade line.
     // Put any upgrade step following this.
 
     // Automatically generated Moodle v4.0.0 release upgrade line.
     // Put any upgrade step following this.
+    if ($oldversion < 2022053000) {
+        // Define key userid (foreign) to be added to data_records.
+        $table = new xmldb_table('data_records');
+        $key = new xmldb_key('userid', XMLDB_KEY_FOREIGN, ['userid'], 'user', ['id']);
+        // Launch add key userid.
+        $dbman->add_key($table, $key);
+
+        // Data savepoint reached.
+        upgrade_mod_savepoint(true, 2022053000, 'data');
+    }
 
     return true;
 }
diff --git a/mod/data/version.php b/mod/data/version.php
index 38c62baa5b85f..4e74dfd484ace 100644
--- a/mod/data/version.php
+++ b/mod/data/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2022041900;       // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2022053000;       // The current module version (Date: YYYYMMDDXX).
 $plugin->requires  = 2022041200;       // Requires this Moodle version.
 $plugin->component = 'mod_data';       // Full name of the plugin (used for diagnostics)
 $plugin->cron      = 0;