Class import_export::QueryExporter¶

class QueryExporter¶

Subclassed by import_export::QueryExporterCSV, import_export::QueryExporterGDAL

Public Types

enum FileType¶

Values:

kCSV¶

kGeoJSON¶

kGeoJSONL¶

kShapefile¶

kFlatGeobuf¶

enum FileCompression¶

Values:

kNone¶

kGZip¶

kZip¶

enum ArrayNullHandling¶

Values:

kAbortWithWarning¶

kExportSentinels¶

kExportZeros¶

kNullEntireField¶

Public Functions

QueryExporter(const FileType file_type)¶

QueryExporter()¶

virtual ~QueryExporter()¶

virtual void beginExport(const std::string &file_path, const std::string &layer_name, const CopyParams &copy_params, const std::vector<TargetMetaInfo> &column_info, const FileCompression file_compression, const ArrayNullHandling array_null_handling) = 0¶

virtual void exportResults(const std::vector<AggregatedResult> &query_results) = 0¶

virtual void endExport() = 0¶

Public Static Functions

std::unique_ptr<QueryExporter> create(const FileType file_type)¶

Protected Functions

void validateFileExtensions(const std::string &file_path, const std::string &file_type, const std::unordered_set<std::string> &valid_extensions) const¶

std::string safeColumnName(const std::string &resname, const int column_index)¶

Protected Attributes

const FileType file_type_¶