method
rename_column_indexes
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Class: ActiveRecord::ConnectionAdapters::SchemaStatements
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rename_column_indexes(table_name, column_name, new_column_name)
private
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# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 1426 def rename_column_indexes(table_name, column_name, new_column_name) column_name, new_column_name = column_name.to_s, new_column_name.to_s indexes(table_name).each do |index| next unless index.columns.include?(new_column_name) old_columns = index.columns.dup old_columns[old_columns.index(new_column_name)] = column_name generated_index_name = index_name(table_name, column: old_columns) if generated_index_name == index.name rename_index table_name, generated_index_name, index_name(table_name, column: index.columns) end end end