message: Fix check zonemap for VARCHAR
diff: #include "duckdb/planner/filter/constant_filter.hpp"
  +
  +#include "duckdb/common/field_writer.hpp"
  #include "duckdb/storage/statistics/numeric_statistics.hpp"
  #include "duckdb/storage/statistics/string_statistics.hpp"
  -#include "duckdb/common/field_writer.hpp"
  namespace duckdb {
  @@ -26,7 +27,7 @@ FilterPropagateResult ConstantFilter::CheckStatistics(BaseStatistics &stats) {
  case PhysicalType::DOUBLE:
  return ((NumericStatistics &)stats).CheckZonemap(comparison_type, constant);
  case PhysicalType::VARCHAR:
  - return ((StringStatistics &)stats).CheckZonemap(comparison_type, constant.ToString());
  + return ((StringStatistics &)stats).CheckZonemap(comparison_type, StringValue::Get(constant));
  default:
  return FilterPropagateResult::NO_PRUNING_POSSIBLE;
  }
  