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GeoWktSerializer< kPOLYGON > Struct Template Reference

#include <ResultSetGeoSerialization.h>

Static Public Member Functions

static TargetValue serialize (const SQLTypeInfo &geo_ti, std::array< VarlenDatumPtr, 2 > &vals)
 

Detailed Description

template<>
struct GeoWktSerializer< kPOLYGON >

Definition at line 177 of file ResultSetGeoSerialization.h.

Member Function Documentation

static TargetValue GeoWktSerializer< kPOLYGON >::serialize ( const SQLTypeInfo geo_ti,
std::array< VarlenDatumPtr, 2 > &  vals 
)
inlinestatic

Definition at line 178 of file ResultSetGeoSerialization.h.

References geospatial::decompress_coords< double, SQLTypeInfo >(), SQLTypeInfo::get_notnull(), Geo_namespace::GeoBase::getWktString(), and geospatial::unpack_geo_vector().

179  {
180  if (!geo_ti.get_notnull() && (vals[0]->is_null || vals[1]->is_null)) {
181  // May need to generate "POLYGON EMPTY" instead of NULL
182  return NullableString("NULL");
183  }
184  std::vector<int32_t> ring_sizes_vec;
185  unpack_geo_vector(ring_sizes_vec, vals[1]->pointer, vals[1]->length);
187  geo_ti, vals[0]->pointer, vals[0]->length),
188  ring_sizes_vec);
189  return NullableString(poly.getWktString());
190  };
void unpack_geo_vector(std::vector< T > &output, const int8_t *input_ptr, const size_t sz)
boost::variant< std::string, void * > NullableString
Definition: TargetValue.h:155
std::shared_ptr< std::vector< double > > decompress_coords< double, SQLTypeInfo >(const SQLTypeInfo &geo_ti, const int8_t *coords, const size_t coords_sz)
HOST DEVICE bool get_notnull() const
Definition: sqltypes.h:265

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The documentation for this struct was generated from the following file: