From 791f20167bf22ca43853d6cbbf29367d9b7ac96d Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Wed, 19 Apr 2017 12:08:38 +0900
Subject: Use `quoted_scope` rather than `@config[:database]` to respect
 current database

Related #28399.
---
 .../lib/active_record/connection_adapters/mysql/schema_dumper.rb     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'activerecord/lib/active_record/connection_adapters')

diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
index 3e0afd9761..b66db0f6fb 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
@@ -59,9 +59,10 @@ module ActiveRecord
                 $~[:expression].inspect
               end
             else
+              scope = quoted_scope(column.table_name)
               sql = "SELECT generation_expression FROM information_schema.columns" \
-                    " WHERE table_schema = #{quote(@config[:database])}" \
-                    "   AND table_name = #{quote(column.table_name)}" \
+                    " WHERE table_schema = #{scope[:schema]}" \
+                    "   AND table_name = #{scope[:name]}" \
                     "   AND column_name = #{quote(column.name)}"
               select_value(sql, "SCHEMA").inspect
             end
-- 
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