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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 5a863717e5..4da42717c1 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -647,6 +647,8 @@ module ActiveRecord
end
def add_foreign_key(from_table, to_table, options = {})
+ return unless supports_foreign_keys?
+
options[:column] ||= foreign_key_column_for(to_table)
primary_key = options.fetch(:primary_key, "id")
@@ -664,6 +666,8 @@ module ActiveRecord
end
def remove_foreign_key(from_table, options_or_to_table = {})
+ return unless supports_foreign_keys?
+
if options_or_to_table.is_a?(Hash)
options = options_or_to_table
else