@enumerations ||= Hash.new
end
- def create_enumeration (enumeration_name, values)
+ def create_enumeration(enumeration_name, values)
enumerations[enumeration_name] = values
- execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')"
+ execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
end
- def drop_enumeration (enumeration_name)
- execute "drop type #{enumeration_name}"
+ def drop_enumeration(enumeration_name)
+ execute "DROP TYPE #{enumeration_name}"
enumerations.delete(enumeration_name)
end
+ def rename_enumeration(old_name, new_name)
+ execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+ end
+
def alter_primary_key(table_name, new_columns)
- execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
+ execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
+ execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
end
def interval_constant(interval)
if Hash === options and options[:lowercase]
quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
end
+ if Hash === options and options[:columns]
+ quoted_column_names = quoted_column_names + Array[options[:columns]]
+ end
quoted_column_names = quoted_column_names.join(", ")
execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
end
+
+ def rename_index(table_name, old_name, new_name)
+ execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+ end
end
end
end