From 0f5fa169b131c0cf4116c9b293e65f4a145c705f Mon Sep 17 00:00:00 2001
From: David Monllao <davidm@moodle.com>
Date: Mon, 14 Aug 2017 15:13:16 +0200
Subject: [PATCH] MDL-59265 analytics: Switch prediction field to float

For future regression support
---
 lib/db/install.xml |  4 ++--
 lib/db/upgrade.php | 13 +++++++++++++
 version.php        |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/lib/db/install.xml b/lib/db/install.xml
index 399b6130dc0..12b42bedd55 100644
--- a/lib/db/install.xml
+++ b/lib/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="lib/db" VERSION="20170801" COMMENT="XMLDB file for core Moodle tables"
+<XMLDB PATH="lib/db" VERSION="20170814" COMMENT="XMLDB file for core Moodle tables"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
 >
@@ -3612,7 +3612,7 @@
         <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="sampleid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="rangeindex" TYPE="int" LENGTH="5" NOTNULL="true" SEQUENCE="false"/>
-        <FIELD NAME="prediction" TYPE="int" LENGTH="2" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="prediction" TYPE="number" LENGTH="10" NOTNULL="true" SEQUENCE="false" DECIMALS="2"/>
         <FIELD NAME="predictionscore" TYPE="number" LENGTH="10" NOTNULL="true" SEQUENCE="false" DECIMALS="5"/>
         <FIELD NAME="calculations" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index fcc7154e394..50c6c87e273 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -2369,5 +2369,18 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2017082300.01);
     }
 
+    if ($oldversion < 2017082300.02) {
+
+        // Changing type of field prediction on table analytics_predictions to number.
+        $table = new xmldb_table('analytics_predictions');
+        $field = new xmldb_field('prediction', XMLDB_TYPE_NUMBER, '10, 2', null, XMLDB_NOTNULL, null, null, 'rangeindex');
+
+        // Launch change of type for field prediction.
+        $dbman->change_field_type($table, $field);
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2017082300.02);
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index fa899055d9f..e0e8c07b731 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2017082400.00;              // YYYYMMDD      = weekly release date of this DEV branch.
+$version  = 2017082300.02;              // YYYYMMDD      = weekly release date of this DEV branch.
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.