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change TEXT columns back to TEXT

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mysql changes the type of TEXT columns to MEDIUMTEXT with "CONVERT TO",
but we don't want this, so change this columns back to TEXT.

see: https://bugs.mysql.com/bug.php?id=31291
This commit is contained in:
Benjamin Neff 2015-04-19 03:19:40 +02:00
parent f4fd77fa7c
commit 4be8a0bed9
1 changed files with 6 additions and 1 deletions
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7
db/migrate/20150106050733_set_mysql_to_unicode_mb4.rb
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@ -25,7 +25,12 @@ 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}` CONVERT TO CHARACTER SET #{encoding} COLLATE #{collation}"
modify_text_columns = columns(table).select {|column| column.type == :text }.map {|column|
"MODIFY `#{column.name}` TEXT #{'NOT' unless column.null } NULL#{" DEFAULT '#{column.default}'" if column.has_default?}"
}.join(", ")
execute "ALTER TABLE `#{table}` CONVERT TO CHARACTER SET #{encoding} COLLATE #{collation}#{", #{modify_text_columns}" unless modify_text_columns.empty?};"
end
end