method

rename_index

rails latest stable - Class: ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaStatements

rename_index(table_name, old_name, new_name)

public

Renames an index of a table. Raises error if length of new index name is greater than allowed limit.

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 512
        def rename_index(table_name, old_name, new_name)
          validate_index_length!(table_name, new_name)

          schema, = extract_schema_qualified_name(table_name)
          execute "ALTER INDEX #{quote_table_name(schema) + '.' if schema}#{quote_column_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
        end

rename_index

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