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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb1
1 files changed, 1 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 d3499cea72..638e5d7236 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -205,6 +205,7 @@ module ActiveRecord
# remove_column(:suppliers, :qualification)
# remove_columns(:suppliers, :qualification, :experience)
def remove_column(table_name, *column_names)
+ raise ArgumentError.new("You must specify at least one column name. Example: remove_column(:people, :first_name)") if column_names.empty?
column_names.flatten.each do |column_name|
execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{quote_column_name(column_name)}"
end