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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
index 526aa20b2c..22abdee4b8 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -64,7 +64,7 @@ module ActiveRecord
end
def visit_ForeignKeyDefinition(o)
- sql = <<~SQL
+ sql = +<<~SQL
CONSTRAINT #{quote_column_name(o.name)}
FOREIGN KEY (#{quote_column_name(o.column)})
REFERENCES #{quote_table_name(o.to_table)} (#{quote_column_name(o.primary_key)})