message: DECIMAL support in rest server: convert to string for now
diff: @@ -124,6 +124,7 @@ void serialize_chunk(QueryResult *res, DataChunk *chunk, json &j) {
  case LogicalTypeId::DATE:
  case LogicalTypeId::TIME:
  case LogicalTypeId::TIMESTAMP:
  + case LogicalTypeId::DECIMAL:
  case LogicalTypeId::INTERVAL:
  case LogicalTypeId::HUGEINT:
  case LogicalTypeId::BLOB:
  