From f4fd77fa7c8b04e0bbd12b016f54f5fb1ba7d933 Mon Sep 17 00:00:00 2001
From: Benjamin Neff <benjamin@coding4coffee.ch>
Date: Sat, 18 Apr 2015 17:54:15 +0200
Subject: [PATCH] use "CONVERT TO" to change the encoding for the table and all
character columns
see: https://dev.mysql.com/doc/refman/5.6/en/charset-conversion.html
---
.../20150106050733_set_mysql_to_unicode_mb4.rb | 18 +-----------------
1 file changed, 1 insertion(+), 17 deletions(-)
diff --git a/db/migrate/20150106050733_set_mysql_to_unicode_mb4.rb b/db/migrate/20150106050733_set_mysql_to_unicode_mb4.rb
index 9495e7f80d..0f5181eb21 100644
--- a/db/migrate/20150106050733_set_mysql_to_unicode_mb4.rb
+++ b/db/migrate/20150106050733_set_mysql_to_unicode_mb4.rb
@@ -25,24 +25,8 @@ class SetMysqlToUnicodeMb4 < ActiveRecord::Migration
execute "ALTER DATABASE `#{ActiveRecord::Base.connection.current_database}` CHARACTER SET #{encoding} COLLATE #{collation};"
tables.each do |table|
- execute "ALTER TABLE `#{table}` CHARACTER SET = #{encoding} COLLATE #{collation}"
+ execute "ALTER TABLE `#{table}` CONVERT TO CHARACTER SET #{encoding} COLLATE #{collation}"
end
-
- character_columns.each do |table, columns|
- columns.each do |column|
- execute "ALTER TABLE `#{table}` CHANGE `#{column.name}` `#{column.name}` #{column.sql_type} CHARACTER SET #{encoding} COLLATE #{collation} #{column.null ? 'NULL' : 'NOT NULL'} #{"DEFAULT '#{column.default}'" if column.has_default?};"
- end
- end
- end
-
- def character_columns
- # build a hash with all the columns that contain characters
- @character_columns ||= Hash[tables.map {|table|
- col = columns(table)
- .select {|column| column.type == :string || column.type == :text }
- next if col.empty?
- [table, col]
- }.compact]
end
def shorten_indexes
--
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