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authorRyuta Kamizono <kamipo@gmail.com>2017-09-22 23:04:54 +0900
committerRyuta Kamizono <kamipo@gmail.com>2017-09-22 23:04:54 +0900
commit6fd81d2d8ee77053c10a998c77d3799dfd3c51c0 (patch)
tree38563ccd840e8512ec22e5ab7d61ec00b086527b /activerecord/lib
parenta0277a974ce881d975b13634bcc7da17bc906844 (diff)
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Return nil if table comment is blank
Diffstat (limited to 'activerecord/lib')
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 3dad43ced8..6e35bb0bbe 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -284,7 +284,7 @@ module ActiveRecord
def table_comment(table_name) # :nodoc:
scope = quoted_scope(table_name)
- query_value(<<-SQL.strip_heredoc, "SCHEMA")
+ query_value(<<-SQL.strip_heredoc, "SCHEMA").presence
SELECT table_comment
FROM information_schema.tables
WHERE table_schema = #{scope[:schema]}