From 648a6408e7a52127b574d3a4fc5df3368a380bd2 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Fri, 15 Mar 2019 09:45:19 +0000
Subject: Long text custom fields don't accept values longer than 64KB if
 backend database is MySQL (#29209).

git-svn-id: http://svn.redmine.org/redmine/trunk@17965 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 .../20190315094151_change_custom_values_value_limit.rb       | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 db/migrate/20190315094151_change_custom_values_value_limit.rb

diff --git a/db/migrate/20190315094151_change_custom_values_value_limit.rb b/db/migrate/20190315094151_change_custom_values_value_limit.rb
new file mode 100644
index 000000000..58e43f728
--- /dev/null
+++ b/db/migrate/20190315094151_change_custom_values_value_limit.rb
@@ -0,0 +1,12 @@
+class ChangeCustomValuesValueLimit < ActiveRecord::Migration[5.2]
+  def up
+    if ActiveRecord::Base.connection.adapter_name =~ /mysql/i
+      max_size = 16.megabytes
+      change_column :custom_values, :value, :text, :limit => max_size
+    end
+  end
+
+  def down
+    # no-op
+  end
+end
-- 
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