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-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index 79c55045ba..9782a48055 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -144,7 +144,10 @@ module ActiveRecord
def invert_remove_index(args)
table, options = *args
- raise ActiveRecord::IrreversibleMigration, "remove_index is only reversible if given a :column option." unless options && options[:column]
+
+ unless options && options.is_a?(Hash) && options[:column]
+ raise ActiveRecord::IrreversibleMigration, "remove_index is only reversible if given a :column option."
+ end
options = options.dup
[:add_index, [table, options.delete(:column), options]]