#include <Importer.h>

Inheritance diagram for import_export::Importer:

Collaboration diagram for import_export::Importer:

Classes
struct	GeoFileLayerInfo

Public Types
enum	GeoFileLayerContents { GeoFileLayerContents::EMPTY, GeoFileLayerContents::GEO, GeoFileLayerContents::NON_GEO, GeoFileLayerContents::UNSUPPORTED_GEO }

Public Member Functions
	Importer (Catalog_Namespace::Catalog &c, const TableDescriptor *t, const std::string &f, const CopyParams &p)

	Importer (Loader *providedLoader, const std::string &f, const CopyParams &p)

	~Importer () override

ImportStatus	import (const Catalog_Namespace::SessionInfo *session_info) override

ImportStatus	importDelimited (const std::string &file_path, const bool decompressed, const Catalog_Namespace::SessionInfo *session_info) override

ImportStatus	importGDAL (const std::map< std::string, std::string > &colname_to_src, const Catalog_Namespace::SessionInfo *session_info, const bool is_raster)

const CopyParams &	get_copy_params () const

const std::list< const ColumnDescriptor * > &	get_column_descs () const

void	load (const std::vector< std::unique_ptr< TypedImportBuffer >> &import_buffers, size_t row_count, const Catalog_Namespace::SessionInfo *session_info)

std::vector< std::vector < std::unique_ptr < TypedImportBuffer > > > &	get_import_buffers_vec ()

std::vector< std::unique_ptr < TypedImportBuffer > > &	get_import_buffers (int i)

const bool *	get_is_array () const

Catalog_Namespace::Catalog &	getCatalog ()

void	checkpoint (const std::vector< Catalog_Namespace::TableEpochInfo > &table_epochs)

auto	getLoader () const

Public Member Functions inherited from import_export::DataStreamSink
	DataStreamSink ()

	DataStreamSink (const CopyParams &copy_params, const std::string file_path)

virtual	~DataStreamSink ()

const CopyParams &	get_copy_params () const

void	import_compressed (std::vector< std::string > &file_paths, const Catalog_Namespace::SessionInfo *session_info)

Public Member Functions inherited from import_export::AbstractImporter
virtual	~AbstractImporter ()=default

Static Public Member Functions
static ImportStatus	get_import_status (const std::string &id)

static void	set_import_status (const std::string &id, const ImportStatus is)

static const std::list < ColumnDescriptor >	gdalToColumnDescriptors (const std::string &fileName, const bool is_raster, const std::string &geoColumnName, const CopyParams &copy_params)

static void	readMetadataSampleGDAL (const std::string &fileName, const std::string &geoColumnName, std::map< std::string, std::vector< std::string >> &metadata, int rowLimit, const CopyParams &copy_params)

static bool	gdalFileExists (const std::string &path, const CopyParams &copy_params)

static bool	gdalFileOrDirectoryExists (const std::string &path, const CopyParams &copy_params)

static std::vector< std::string >	gdalGetAllFilesInArchive (const std::string &archive_path, const CopyParams &copy_params)

static std::vector < GeoFileLayerInfo >	gdalGetLayersInGeoFile (const std::string &file_name, const CopyParams &copy_params)

static void	set_geo_physical_import_buffer (const Catalog_Namespace::Catalog &catalog, const ColumnDescriptor *cd, std::vector< std::unique_ptr< TypedImportBuffer >> &import_buffers, size_t &col_idx, std::vector< double > &coords, std::vector< double > &bounds, std::vector< int > &ring_sizes, std::vector< int > &poly_rings, const bool force_null=false)

static void	set_geo_physical_import_buffer_columnar (const Catalog_Namespace::Catalog &catalog, const ColumnDescriptor *cd, std::vector< std::unique_ptr< TypedImportBuffer >> &import_buffers, size_t &col_idx, std::vector< std::vector< double >> &coords_column, std::vector< std::vector< double >> &bounds_column, std::vector< std::vector< int >> &ring_sizes_column, std::vector< std::vector< int >> &poly_rings_column)

Private Member Functions
ImportStatus	importGDALGeo (const std::map< std::string, std::string > &colname_to_src, const Catalog_Namespace::SessionInfo *session_info)

ImportStatus	importGDALRaster (const Catalog_Namespace::SessionInfo *session_info)

Static Private Member Functions
static bool	gdalStatInternal (const std::string &path, const CopyParams &copy_params, bool also_dir)

static Geospatial::GDAL::DataSourceUqPtr	openGDALDataSource (const std::string &fileName, const CopyParams &copy_params)

static const std::list < ColumnDescriptor >	gdalToColumnDescriptorsGeo (const std::string &fileName, const std::string &geoColumnName, const CopyParams &copy_params)

static const std::list < ColumnDescriptor >	gdalToColumnDescriptorsRaster (const std::string &fileName, const std::string &geoColumnName, const CopyParams &copy_params)

Private Attributes
std::string	import_id

size_t	file_size

size_t	max_threads

char *	buffer [2]

std::vector< std::vector < std::unique_ptr < TypedImportBuffer > > >	import_buffers_vec

std::unique_ptr< Loader >	loader

std::unique_ptr< bool[]>	is_array_a

Static Private Attributes
static std::mutex	init_gdal_mutex

Additional Inherited Members
Protected Member Functions inherited from import_export::DataStreamSink
ImportStatus	archivePlumber (const Catalog_Namespace::SessionInfo *session_info)

Protected Attributes inherited from import_export::DataStreamSink
CopyParams	copy_params

const std::string	file_path

FILE *	p_file = nullptr

ImportStatus	import_status_

heavyai::shared_mutex	import_mutex_

size_t	total_file_size {0}

std::vector< size_t >	file_offsets

std::mutex	file_offsets_mutex

Detailed Description

Definition at line 784 of file Importer.h.

Member Enumeration Documentation

enum import_export::Importer::GeoFileLayerContents

strong

Enumerator
EMPTY
GEO
NON_GEO
UNSUPPORTED_GEO

Definition at line 837 of file Importer.h.

837 { EMPTY, GEO, NON_GEO, UNSUPPORTED_GEO };

Constructor & Destructor Documentation

import_export::Importer::Importer	(	Catalog_Namespace::Catalog &	c,
		const TableDescriptor *	t,
		const std::string &	f,
		const CopyParams &	p
	)

Definition at line 172 of file Importer.cpp.

176 : Importer(new Loader(c, t), f, p) {}

import_export::Importer::Importer

Importer(Catalog_Namespace::Catalog &c, const TableDescriptor *t, const std::string &f, const CopyParams &p)

Definition: Importer.cpp:172

f

torch::Tensor f(torch::Tensor x, torch::Tensor W_target, torch::Tensor b_target)

Definition: TestTorchTableFunctions.cpp:103

import_export::Importer::Importer	(	Loader *	providedLoader,
		const std::string &	f,
		const CopyParams &	p
	)

Definition at line 178 of file Importer.cpp.

References buffer, import_export::DataStreamSink::file_path, file_size, import_id, is_array_a, kARRAY, loader, max_threads, and import_export::DataStreamSink::p_file.

     : DataStreamSink(p, f), loader(providedLoader) {
   import_id = boost::filesystem::path(file_path).filename().string();
   file_size = 0;
   max_threads = 0;
   p_file = nullptr;
   buffer[0] = nullptr;
   buffer[1] = nullptr;
   // we may be overallocating a little more memory here due to dropping phy cols.
   // it shouldn't be an issue because iteration of it is not supposed to go OOB.
   auto is_array = std::unique_ptr<bool[]>(new bool[loader->get_column_descs().size()]);
   int i = 0;
   bool has_array = false;
   // TODO: replace this ugly way of skipping phy cols once if isPhyGeo is defined
   int skip_physical_cols = 0;
   for (auto& p : loader->get_column_descs()) {
     // phy geo columns can't be in input file
     if (skip_physical_cols-- > 0) {
       continue;
     }
     // neither are rowid or $deleted$
     // note: columns can be added after rowid/$deleted$
     if (p->isVirtualCol || p->isDeletedCol) {
       continue;
     }
     skip_physical_cols = p->columnType.get_physical_cols();
     if (p->columnType.get_type() == kARRAY) {
       is_array.get()[i] = true;
       has_array = true;
     } else {
       is_array.get()[i] = false;
     }
     ++i;
   }
   if (has_array) {
     is_array_a = std::unique_ptr<bool[]>(is_array.release());
   } else {
     is_array_a = std::unique_ptr<bool[]>(nullptr);
   }
 }

import_export::Importer::~Importer ( )

override

Definition at line 219 of file Importer.cpp.

References buffer, and import_export::DataStreamSink::p_file.

                     {
   if (p_file != nullptr) {
     fclose(p_file);
   }
   if (buffer[0] != nullptr) {
     free(buffer[0]);
   }
   if (buffer[1] != nullptr) {
     free(buffer[1]);
   }
 }

Member Function Documentation

void import_export::Importer::checkpoint ( const std::vector< Catalog_Namespace::TableEpochInfo > & table_epochs )

Definition at line 3524 of file Importer.cpp.

References DEBUG_TIMING, Data_Namespace::DISK_LEVEL, logger::ERROR, measure< TimeT >::execution(), StorageType::FOREIGN_TABLE, import_buffers_vec, import_export::DataStreamSink::import_mutex_, import_export::DataStreamSink::import_status_, logger::INFO, import_export::ImportStatus::load_failed, import_export::ImportStatus::load_msg, loader, and LOG.

Referenced by importDelimited(), importGDALGeo(), and importGDALRaster().

                                                                     {
   if (loader->getTableDesc()->storageType != StorageType::FOREIGN_TABLE) {
     heavyai::lock_guard<heavyai::shared_mutex> read_lock(import_mutex_);
     if (import_status_.load_failed) {
       // rollback to starting epoch - undo all the added records
       loader->setTableEpochs(table_epochs);
     } else {
       loader->checkpoint();
     }
   }
 
   if (loader->getTableDesc()->persistenceLevel ==
       Data_Namespace::MemoryLevel::DISK_LEVEL) {  // only checkpoint disk-resident
                                                   // tables
     auto ms = measure<>::execution([&]() {
       heavyai::lock_guard<heavyai::shared_mutex> write_lock(import_mutex_);
       if (!import_status_.load_failed) {
         for (auto& p : import_buffers_vec[0]) {
           if (!p->stringDictCheckpoint()) {
             LOG(ERROR) << "Checkpointing Dictionary for Column "
                        << p->getColumnDesc()->columnName << " failed.";
             import_status_.load_failed = true;
             import_status_.load_msg = "Dictionary checkpoint failed";
             break;
           }
         }
       }
     });
     if (DEBUG_TIMING) {
       LOG(INFO) << "Dictionary Checkpointing took " << (double)ms / 1000.0 << " Seconds."
                 << std::endl;
     }
   }
 }

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bool import_export::Importer::gdalFileExists	(	const std::string &	path,
		const CopyParams &	copy_params
	)

static

Definition at line 5052 of file Importer.cpp.

References gdalStatInternal().

Referenced by DBHandler::check_geospatial_files(), DBHandler::detect_column_types(), DBHandler::get_all_files_in_archive(), DBHandler::get_first_geo_file_in_archive(), DBHandler::get_layers_in_geo_file(), and DBHandler::importGeoTableSingle().

                                                                                   {
   return gdalStatInternal(path, copy_params, false);
 }

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bool import_export::Importer::gdalFileOrDirectoryExists	(	const std::string &	path,
		const CopyParams &	copy_params
	)

static

Definition at line 5057 of file Importer.cpp.

References gdalStatInternal().

Referenced by DBHandler::detect_column_types(), DBHandler::get_layers_in_geo_file(), and DBHandler::importGeoTableSingle().

                                                                         {
   return gdalStatInternal(path, copy_params, true);
 }

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std::vector< std::string > import_export::Importer::gdalGetAllFilesInArchive	(	const std::string &	archive_path,
		const CopyParams &	copy_params
	)

static

Definition at line 5129 of file Importer.cpp.

References import_export::gdalGatherFilesInArchiveRecursive(), Geospatial::GDAL::init(), import_export::CopyParams::s3_access_key, import_export::CopyParams::s3_endpoint, import_export::CopyParams::s3_region, import_export::CopyParams::s3_secret_key, import_export::CopyParams::s3_session_token, and Geospatial::GDAL::setAuthorizationTokens().

Referenced by anonymous_namespace{DBHandler.cpp}::find_first_geo_file_in_archive(), and DBHandler::get_all_files_in_archive().

                                    {
   // lazy init GDAL
   Geospatial::GDAL::init();
   Geospatial::GDAL::setAuthorizationTokens(copy_params.s3_region,
                                            copy_params.s3_endpoint,
                                            copy_params.s3_access_key,
                                            copy_params.s3_secret_key,
                                            copy_params.s3_session_token);
 
   // prepare to gather files
   std::vector<std::string> files;
 
   // gather the files recursively
   gdalGatherFilesInArchiveRecursive(archive_path, files);
 
   // convert to relative paths inside archive
   for (auto& file : files) {
     file.erase(0, archive_path.size() + 1);  // remove archive_path and the slash
   }
 
   // done
   return files;
 }

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std::vector< Importer::GeoFileLayerInfo > import_export::Importer::gdalGetLayersInGeoFile	(	const std::string &	file_name,
		const CopyParams &	copy_params
	)

static

Definition at line 5156 of file Importer.cpp.

References CHECK, EMPTY, GEO, Geospatial::GDAL::init(), NON_GEO, openGDALDataSource(), import_export::CopyParams::s3_access_key, import_export::CopyParams::s3_endpoint, import_export::CopyParams::s3_region, import_export::CopyParams::s3_secret_key, import_export::CopyParams::s3_session_token, Geospatial::GDAL::setAuthorizationTokens(), and UNSUPPORTED_GEO.

Referenced by DBHandler::get_layers_in_geo_file(), and DBHandler::importGeoTableSingle().

                                    {
   // lazy init GDAL
   Geospatial::GDAL::init();
   Geospatial::GDAL::setAuthorizationTokens(copy_params.s3_region,
                                            copy_params.s3_endpoint,
                                            copy_params.s3_access_key,
                                            copy_params.s3_secret_key,
                                            copy_params.s3_session_token);
 
   // prepare to gather layer info
   std::vector<GeoFileLayerInfo> layer_info;
 
   // open the data set
   Geospatial::GDAL::DataSourceUqPtr poDS(openGDALDataSource(file_name, copy_params));
   if (poDS == nullptr) {
     throw std::runtime_error("openGDALDataSource Error: Unable to open geo file " +
                              file_name);
   }
 
   // enumerate the layers
   for (auto&& poLayer : poDS->GetLayers()) {
     GeoFileLayerContents contents = GeoFileLayerContents::EMPTY;
     // prepare to read this layer
     poLayer->ResetReading();
     // skip layer if empty
     if (poLayer->GetFeatureCount() > 0) {
       // first read layer geo type
       auto ogr_type = wkbFlatten(poLayer->GetGeomType());
       if (ogr_type == wkbUnknown) {
         // layer geo type unknown, so try reading from the first feature
         Geospatial::GDAL::FeatureUqPtr first_feature(poLayer->GetNextFeature());
         CHECK(first_feature);
         auto const* ogr_geometry = first_feature->GetGeometryRef();
         if (ogr_geometry) {
           ogr_type = wkbFlatten(ogr_geometry->getGeometryType());
         } else {
           ogr_type = wkbNone;
         }
       }
       switch (ogr_type) {
         case wkbNone:
           // no geo
           contents = GeoFileLayerContents::NON_GEO;
           break;
         case wkbPoint:
         case wkbMultiPoint:
         case wkbLineString:
         case wkbMultiLineString:
         case wkbPolygon:
         case wkbMultiPolygon:
           // layer has supported geo
           contents = GeoFileLayerContents::GEO;
           break;
         default:
           // layer has unsupported geometry
           contents = GeoFileLayerContents::UNSUPPORTED_GEO;
           break;
       }
     }
     // store info for this layer
     layer_info.emplace_back(poLayer->GetName(), contents);
   }
 
   // done
   return layer_info;
 }

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bool import_export::Importer::gdalStatInternal	(	const std::string &	path,
		const CopyParams &	copy_params,
		bool	also_dir
	)

staticprivate

Definition at line 5017 of file Importer.cpp.

References Geospatial::GDAL::init(), run_benchmark_import::result, import_export::CopyParams::s3_access_key, import_export::CopyParams::s3_endpoint, import_export::CopyParams::s3_region, import_export::CopyParams::s3_secret_key, import_export::CopyParams::s3_session_token, and Geospatial::GDAL::setAuthorizationTokens().

Referenced by gdalFileExists(), and gdalFileOrDirectoryExists().

                                                {
   // lazy init GDAL
   Geospatial::GDAL::init();
   Geospatial::GDAL::setAuthorizationTokens(copy_params.s3_region,
                                            copy_params.s3_endpoint,
                                            copy_params.s3_access_key,
                                            copy_params.s3_secret_key,
                                            copy_params.s3_session_token);
 
 #if (GDAL_VERSION_MAJOR > 2) || (GDAL_VERSION_MAJOR == 2 && GDAL_VERSION_MINOR >= 3)
   // clear GDAL stat cache
   // without this, file existence will be cached, even if authentication changes
   // supposed to be available from GDAL 2.2.1 but our CentOS build disagrees
   VSICurlClearCache();
 #endif
 
   // stat path
   VSIStatBufL sb;
   int result = VSIStatExL(path.c_str(), &sb, VSI_STAT_EXISTS_FLAG);
   if (result < 0) {
     return false;
   }
 
   // exists?
   if (also_dir && (VSI_ISREG(sb.st_mode) || VSI_ISDIR(sb.st_mode))) {
     return true;
   } else if (VSI_ISREG(sb.st_mode)) {
     return true;
   }
   return false;
 }

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const std::list< ColumnDescriptor > import_export::Importer::gdalToColumnDescriptors	(	const std::string &	fileName,
		const bool	is_raster,
		const std::string &	geoColumnName,
		const CopyParams &	copy_params
	)

static

Definition at line 4819 of file Importer.cpp.

References gdalToColumnDescriptorsGeo(), and gdalToColumnDescriptorsRaster().

Referenced by DBHandler::detect_column_types().

                                    {
   if (is_raster) {
     return gdalToColumnDescriptorsRaster(file_name, geo_column_name, copy_params);
   }
   return gdalToColumnDescriptorsGeo(file_name, geo_column_name, copy_params);
 }

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const std::list< ColumnDescriptor > import_export::Importer::gdalToColumnDescriptorsGeo	(	const std::string &	fileName,
		const std::string &	geoColumnName,
		const CopyParams &	copy_params
	)

staticprivate

Definition at line 4903 of file Importer.cpp.

References import_export::CopyParams::add_metadata_columns, CHECK, ColumnDescriptor::columnName, ColumnDescriptor::columnType, import_export::CopyParams::geo_coords_comp_param, import_export::CopyParams::geo_coords_encoding, import_export::CopyParams::geo_coords_srid, import_export::CopyParams::geo_coords_type, import_export::CopyParams::geo_explode_collections, import_export::CopyParams::geo_layer_name, import_export::anonymous_namespace{Importer.cpp}::getLayerWithSpecifiedName(), kARRAY, kENCODING_DICT, kLINESTRING, kMULTILINESTRING, kMULTIPOINT, kMULTIPOLYGON, kPOINT, kPOLYGON, kTEXT, import_export::anonymous_namespace{Importer.cpp}::ogr_to_type(), openGDALDataSource(), import_export::parse_add_metadata_columns(), import_export::PROMOTE_LINESTRING_TO_MULTILINESTRING, import_export::PROMOTE_POINT_TO_MULTIPOINT, import_export::PROMOTE_POLYGON_TO_MULTIPOLYGON, SQLTypeInfo::set_comp_param(), SQLTypeInfo::set_compression(), SQLTypeInfo::set_fixed_size(), SQLTypeInfo::set_input_srid(), SQLTypeInfo::set_output_srid(), SQLTypeInfo::set_subtype(), SQLTypeInfo::set_type(), and ColumnDescriptor::sourceName.

Referenced by gdalToColumnDescriptors().

                                    {
   std::list<ColumnDescriptor> cds;
 
   Geospatial::GDAL::DataSourceUqPtr poDS(openGDALDataSource(file_name, copy_params));
   if (poDS == nullptr) {
     throw std::runtime_error("openGDALDataSource Error: Unable to open geo file " +
                              file_name);
   }
   if (poDS->GetLayerCount() == 0) {
     throw std::runtime_error("gdalToColumnDescriptors Error: Geo file " + file_name +
                              " has no layers");
   }
 
   OGRLayer& layer =
       getLayerWithSpecifiedName(copy_params.geo_layer_name, poDS, file_name);
 
   layer.ResetReading();
   // TODO(andrewseidl): support multiple features
   Geospatial::GDAL::FeatureUqPtr poFeature(layer.GetNextFeature());
   if (poFeature == nullptr) {
     throw std::runtime_error("No features found in " + file_name);
   }
   // get fields as regular columns
   OGRFeatureDefn* poFDefn = layer.GetLayerDefn();
   CHECK(poFDefn);
   int iField;
   for (iField = 0; iField < poFDefn->GetFieldCount(); iField++) {
     OGRFieldDefn* poFieldDefn = poFDefn->GetFieldDefn(iField);
     auto typePair = ogr_to_type(poFieldDefn->GetType());
     ColumnDescriptor cd;
     cd.columnName = poFieldDefn->GetNameRef();
     cd.sourceName = poFieldDefn->GetNameRef();
     SQLTypeInfo ti;
     if (typePair.second) {
       ti.set_type(kARRAY);
       ti.set_subtype(typePair.first);
     } else {
       ti.set_type(typePair.first);
     }
     if (typePair.first == kTEXT) {
       ti.set_compression(kENCODING_DICT);
       ti.set_comp_param(0);
     }
     ti.set_fixed_size();
     cd.columnType = ti;
     cds.push_back(cd);
   }
   // try getting the geo column type from the layer
   auto ogr_type = wkbFlatten(layer.GetGeomType());
   if (ogr_type == wkbUnknown) {
     // layer geo type unknown, so try the feature (that we already got)
     auto const* ogr_geometry = poFeature->GetGeometryRef();
     if (ogr_geometry) {
       ogr_type = wkbFlatten(ogr_geometry->getGeometryType());
     }
   }
   // do we have a geo column?
   if (ogr_type != wkbNone) {
     ColumnDescriptor cd;
     cd.columnName = geo_column_name;
     cd.sourceName = geo_column_name;
 
     // if exploding, override any collection type to child type
     if (copy_params.geo_explode_collections) {
       if (ogr_type == wkbMultiPolygon) {
         ogr_type = wkbPolygon;
       } else if (ogr_type == wkbMultiLineString) {
         ogr_type = wkbLineString;
       } else if (ogr_type == wkbMultiPoint) {
         ogr_type = wkbPoint;
       }
     }
 
     // convert to internal type
     // this will throw if the type is unsupported
     SQLTypes geoType = ogr_to_type(ogr_type);
 
     // promote column type? (unless exploding)
     if (!copy_params.geo_explode_collections) {
       if (PROMOTE_POINT_TO_MULTIPOINT && geoType == kPOINT) {
         geoType = kMULTIPOINT;
       } else if (PROMOTE_LINESTRING_TO_MULTILINESTRING && geoType == kLINESTRING) {
         geoType = kMULTILINESTRING;
       } else if (PROMOTE_POLYGON_TO_MULTIPOLYGON && geoType == kPOLYGON) {
         geoType = kMULTIPOLYGON;
       }
     }
 
     // build full internal type
     SQLTypeInfo ti;
     ti.set_type(geoType);
     ti.set_subtype(copy_params.geo_coords_type);
     ti.set_input_srid(copy_params.geo_coords_srid);
     ti.set_output_srid(copy_params.geo_coords_srid);
     ti.set_compression(copy_params.geo_coords_encoding);
     ti.set_comp_param(copy_params.geo_coords_comp_param);
     cd.columnType = ti;
 
     cds.push_back(cd);
   }
 
   // metadata columns?
   auto metadata_column_infos =
       parse_add_metadata_columns(copy_params.add_metadata_columns, file_name);
   for (auto& mci : metadata_column_infos) {
     cds.push_back(std::move(mci.column_descriptor));
   }
 
   return cds;
 }

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const std::list< ColumnDescriptor > import_export::Importer::gdalToColumnDescriptorsRaster	(	const std::string &	fileName,
		const std::string &	geoColumnName,
		const CopyParams &	copy_params
	)

staticprivate

Definition at line 4831 of file Importer.cpp.

Referenced by gdalToColumnDescriptors().

                                    {
   // lazy init GDAL
   Geospatial::GDAL::init();
   Geospatial::GDAL::setAuthorizationTokens(copy_params.s3_region,
                                            copy_params.s3_endpoint,
                                            copy_params.s3_access_key,
                                            copy_params.s3_secret_key,
                                            copy_params.s3_session_token);
 
   // prepare for metadata column
   auto metadata_column_infos =
       parse_add_metadata_columns(copy_params.add_metadata_columns, file_name);
 
   // create a raster importer and do the detect
   RasterImporter raster_importer;
   raster_importer.detect(
       file_name,
       copy_params.raster_import_bands,
       copy_params.raster_import_dimensions,
       convert_raster_point_type(copy_params.raster_point_type),
       convert_raster_point_transform(copy_params.raster_point_transform),
       copy_params.raster_point_compute_angle,
       false,
       metadata_column_infos);
 
   // prepare to capture column descriptors
   std::list<ColumnDescriptor> cds;
 
   // get the point column info
   auto const point_names_and_sql_types = raster_importer.getPointNamesAndSQLTypes();
 
   // create the columns for the point in the specified type
   for (auto const& [col_name, sql_type] : point_names_and_sql_types) {
     ColumnDescriptor cd;
     cd.columnName = cd.sourceName = col_name;
     cd.columnType.set_type(sql_type);
     // hardwire other POINT attributes for now
     if (sql_type == kPOINT) {
       cd.columnType.set_subtype(kGEOMETRY);
       cd.columnType.set_input_srid(4326);
       cd.columnType.set_output_srid(4326);
       cd.columnType.set_compression(kENCODING_GEOINT);
       cd.columnType.set_comp_param(32);
     }
     cds.push_back(cd);
   }
 
   // get the names and types for the band column(s)
   auto const band_names_and_types = raster_importer.getBandNamesAndSQLTypes();
 
   // add column descriptors for each band
   for (auto const& [band_name, sql_type] : band_names_and_types) {
     ColumnDescriptor cd;
     cd.columnName = cd.sourceName = band_name;
     cd.columnType.set_type(sql_type);
     cd.columnType.set_fixed_size();
     cds.push_back(cd);
   }
 
   // metadata columns?
   for (auto& mci : metadata_column_infos) {
     cds.push_back(std::move(mci.column_descriptor));
   }
 
   // return the results
   return cds;
 }

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const std::list<const ColumnDescriptor*>& import_export::Importer::get_column_descs ( ) const

inline

Definition at line 801 of file Importer.h.

References loader.

Referenced by import_export::import_thread_delimited(), and import_export::import_thread_shapefile().

                                                                    {
     return loader->get_column_descs();
   }

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const CopyParams& import_export::Importer::get_copy_params ( ) const

inline

Definition at line 800 of file Importer.h.

References import_export::DataStreamSink::copy_params.

Referenced by import_export::import_thread_delimited(), and import_export::import_thread_shapefile().

800 { return copy_params; }

import_export::DataStreamSink::copy_params

CopyParams copy_params

Definition: Importer.h:719

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std::vector<std::unique_ptr<TypedImportBuffer> >& import_export::Importer::get_import_buffers ( int i )

inline

Definition at line 810 of file Importer.h.

References import_buffers_vec.

Referenced by import_export::import_thread_delimited(), and import_export::import_thread_shapefile().

                                                                          {
     return import_buffers_vec[i];
   }

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std::vector<std::vector<std::unique_ptr<TypedImportBuffer> > >& import_export::Importer::get_import_buffers_vec ( )

inline

Definition at line 807 of file Importer.h.

References import_buffers_vec.

                                                                                    {
     return import_buffers_vec;
   }

ImportStatus import_export::Importer::get_import_status ( const std::string & id )

static

Definition at line 231 of file Importer.cpp.

References import_export::import_status_map, and import_export::status_mutex.

Referenced by DBHandler::import_table_status().

                                                                    {
   heavyai::shared_lock<heavyai::shared_mutex> read_lock(status_mutex);
   auto it = import_status_map.find(import_id);
   if (it == import_status_map.end()) {
     throw std::runtime_error("Import status not found for id: " + import_id);
   }
   return it->second;
 }

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const bool* import_export::Importer::get_is_array ( ) const

inline

Definition at line 813 of file Importer.h.

References is_array_a.

Referenced by import_export::import_thread_delimited().

813 { return is_array_a.get(); }

import_export::Importer::is_array_a

std::unique_ptr< bool[]> is_array_a

Definition: Importer.h:901

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Catalog_Namespace::Catalog& import_export::Importer::getCatalog ( )

inline

Definition at line 847 of file Importer.h.

References loader.

Referenced by import_export::TypedImportBuffer::convert_arrow_val_to_import_buffer(), and import_export::import_thread_delimited().

                                          {
     return loader->getCatalog();
   }

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auto import_export::Importer::getLoader ( ) const

inline

Definition at line 870 of file Importer.h.

References loader.

                          {
     return loader.get();
   }

ImportStatus import_export::Importer::import ( const Catalog_Namespace::SessionInfo * session_info )

overridevirtual

Implements import_export::AbstractImporter.

Definition at line 4361 of file Importer.cpp.

References import_export::DataStreamSink::archivePlumber().

                                                                               {
   return DataStreamSink::archivePlumber(session_info);
 }

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ImportStatus import_export::Importer::importDelimited	(	const std::string &	file_path,
		const bool	decompressed,
		const Catalog_Namespace::SessionInfo *	session_info
	)

overridevirtual

Implements import_export::DataStreamSink.

Definition at line 4365 of file Importer.cpp.

References threading_serial::async(), CHECK, checkpoint(), logger::ERROR, import_export::DataStreamSink::file_offsets, import_export::DataStreamSink::file_offsets_mutex, file_size, import_export::delimited_parser::find_row_end_pos(), heavyai::fopen(), Catalog_Namespace::SessionInfo::get_session_id(), Executor::getExecutor(), import_buffers_vec, import_id, import_export::DataStreamSink::import_mutex_, import_export::DataStreamSink::import_status_, import_export::import_thread_delimited(), import_export::ImportStatus::load_failed, import_export::ImportStatus::load_msg, loader, LOG, max_threads, import_export::num_import_threads(), import_export::DataStreamSink::p_file, import_export::ImportStatus::rows_completed, import_export::ImportStatus::rows_estimated, import_export::ImportStatus::rows_rejected, set_import_status(), logger::thread_id(), import_export::DataStreamSink::total_file_size, Executor::UNITARY_EXECUTOR_ID, and VLOG.

                                                       {
   set_import_status(import_id, import_status_);
   auto query_session = session_info ? session_info->get_session_id() : "";
 
   if (!p_file) {
     p_file = fopen(file_path.c_str(), "rb");
   }
   if (!p_file) {
     throw std::runtime_error("failed to open file '" + file_path +
                              "': " + strerror(errno));
   }
 
   if (!decompressed) {
     (void)fseek(p_file, 0, SEEK_END);
     file_size = ftell(p_file);
   }
 
   max_threads = num_import_threads(copy_params.threads);
   VLOG(1) << "Delimited import # threads: " << max_threads;
 
   // deal with small files
   size_t alloc_size = copy_params.buffer_size;
   if (!decompressed && file_size < alloc_size) {
     alloc_size = file_size;
   }
 
   for (size_t i = 0; i < max_threads; i++) {
     import_buffers_vec.emplace_back();
     for (const auto cd : loader->get_column_descs()) {
       import_buffers_vec[i].emplace_back(
           std::make_unique<TypedImportBuffer>(cd, loader->getStringDict(cd)));
     }
   }
 
   auto scratch_buffer = std::make_unique<char[]>(alloc_size);
   size_t current_pos = 0;
   size_t end_pos;
   size_t begin_pos = 0;
 
   (void)fseek(p_file, current_pos, SEEK_SET);
   size_t size =
       fread(reinterpret_cast<void*>(scratch_buffer.get()), 1, alloc_size, p_file);
 
   ChunkKey chunkKey = {loader->getCatalog().getCurrentDB().dbId,
                        loader->getTableDesc()->tableId};
   auto table_epochs = loader->getTableEpochs();
   auto executor = Executor::getExecutor(Executor::UNITARY_EXECUTOR_ID).get();
   {
     std::list<std::future<ImportStatus>> threads;
 
     // use a stack to track thread_ids which must not overlap among threads
     // because thread_id is used to index import_buffers_vec[]
     std::stack<size_t> stack_thread_ids;
     for (size_t i = 0; i < max_threads; i++) {
       stack_thread_ids.push(i);
     }
     // added for true row index on error
     size_t first_row_index_this_buffer = 0;
 
     while (size > 0) {
       unsigned int num_rows_this_buffer = 0;
       CHECK(scratch_buffer);
       end_pos = delimited_parser::find_row_end_pos(alloc_size,
                                                    scratch_buffer,
                                                    size,
                                                    copy_params,
                                                    first_row_index_this_buffer,
                                                    num_rows_this_buffer,
                                                    p_file);
 
       // unput residual
       int nresidual = size - end_pos;
       std::unique_ptr<char[]> unbuf;
       if (nresidual > 0) {
         unbuf = std::make_unique<char[]>(nresidual);
         memcpy(unbuf.get(), scratch_buffer.get() + end_pos, nresidual);
       }
 
       // get a thread_id not in use
       auto thread_id = stack_thread_ids.top();
       stack_thread_ids.pop();
       // LOG(INFO) << " stack_thread_ids.pop " << thread_id << std::endl;
 
       threads.push_back(std::async(std::launch::async,
                                    import_thread_delimited,
                                    thread_id,
                                    this,
                                    std::move(scratch_buffer),
                                    begin_pos,
                                    end_pos,
                                    end_pos,
                                    first_row_index_this_buffer,
                                    session_info,
                                    executor));
 
       first_row_index_this_buffer += num_rows_this_buffer;
 
       current_pos += end_pos;
       scratch_buffer = std::make_unique<char[]>(alloc_size);
       CHECK(scratch_buffer);
       memcpy(scratch_buffer.get(), unbuf.get(), nresidual);
       size = nresidual +
              fread(scratch_buffer.get() + nresidual, 1, alloc_size - nresidual, p_file);
 
       begin_pos = 0;
       while (threads.size() > 0) {
         int nready = 0;
         for (std::list<std::future<ImportStatus>>::iterator it = threads.begin();
              it != threads.end();) {
           auto& p = *it;
           std::chrono::milliseconds span(0);
           if (p.wait_for(span) == std::future_status::ready) {
             auto ret_import_status = p.get();
             {
               heavyai::lock_guard<heavyai::shared_mutex> write_lock(import_mutex_);
               import_status_ += ret_import_status;
               if (ret_import_status.load_failed) {
                 set_import_status(import_id, import_status_);
               }
             }
             // sum up current total file offsets
             size_t total_file_offset{0};
             if (decompressed) {
               std::unique_lock<std::mutex> lock(file_offsets_mutex);
               for (const auto file_offset : file_offsets) {
                 total_file_offset += file_offset;
               }
             }
             // estimate number of rows per current total file offset
             if (decompressed ? total_file_offset : current_pos) {
               import_status_.rows_estimated =
                   (decompressed ? (float)total_file_size / total_file_offset
                                 : (float)file_size / current_pos) *
                   import_status_.rows_completed;
             }
             VLOG(3) << "rows_completed " << import_status_.rows_completed
                     << ", rows_estimated " << import_status_.rows_estimated
                     << ", total_file_size " << total_file_size << ", total_file_offset "
                     << total_file_offset;
             set_import_status(import_id, import_status_);
             // recall thread_id for reuse
             stack_thread_ids.push(ret_import_status.thread_id);
             threads.erase(it++);
             ++nready;
           } else {
             ++it;
           }
         }
 
         if (nready == 0) {
           std::this_thread::yield();
         }
 
         // on eof, wait all threads to finish
         if (0 == size) {
           continue;
         }
 
         // keep reading if any free thread slot
         // this is one of the major difference from old threading model !!
         if (threads.size() < max_threads) {
           break;
         }
         heavyai::shared_lock<heavyai::shared_mutex> read_lock(import_mutex_);
         if (import_status_.load_failed) {
           break;
         }
       }
       heavyai::unique_lock<heavyai::shared_mutex> write_lock(import_mutex_);
       if (import_status_.rows_rejected > copy_params.max_reject) {
         import_status_.load_failed = true;
         // todo use better message
         import_status_.load_msg = "Maximum rows rejected exceeded. Halting load";
         LOG(ERROR) << "Maximum rows rejected exceeded. Halting load";
         break;
       }
       if (import_status_.load_failed) {
         LOG(ERROR) << "Load failed, the issue was: " + import_status_.load_msg;
         break;
       }
     }
 
     // join dangling threads in case of LOG(ERROR) above
     for (auto& p : threads) {
       p.wait();
     }
   }
 
   checkpoint(table_epochs);
 
   fclose(p_file);
   p_file = nullptr;
   return import_status_;
 }

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ImportStatus import_export::Importer::importGDAL	(	const std::map< std::string, std::string > &	colname_to_src,
		const Catalog_Namespace::SessionInfo *	session_info,
		const bool	is_raster
	)

Definition at line 5225 of file Importer.cpp.

References importGDALGeo(), and importGDALRaster().

Referenced by QueryRunner::ImportDriver::importGeoTable().

                           {
   if (is_raster) {
     return importGDALRaster(session_info);
   }
   return importGDALGeo(columnNameToSourceNameMap, session_info);
 }

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ImportStatus import_export::Importer::importGDALGeo	(	const std::map< std::string, std::string > &	colname_to_src,
		const Catalog_Namespace::SessionInfo *	session_info
	)

private

Definition at line 5235 of file Importer.cpp.

References threading_serial::async(), CHECK, CHECK_EQ, checkpoint(), logger::ERROR, g_enable_non_kernel_time_query_interrupt, Catalog_Namespace::SessionInfo::get_session_id(), Executor::getExecutor(), import_export::anonymous_namespace{Importer.cpp}::getLayerWithSpecifiedName(), import_buffers_vec, import_id, import_export::DataStreamSink::import_mutex_, import_export::DataStreamSink::import_status_, import_export::import_thread_shapefile(), import_export::ImportStatus::load_failed, import_export::ImportStatus::load_msg, loader, LOG, max_threads, import_export::num_import_threads(), openGDALDataSource(), import_export::parse_add_metadata_columns(), import_export::ImportStatus::rows_completed, import_export::ImportStatus::rows_estimated, import_export::ImportStatus::rows_rejected, set_import_status(), logger::thread_id(), toString(), Executor::UNITARY_EXECUTOR_ID, and VLOG.

Referenced by importGDAL().

                                                       {
   // initial status
   set_import_status(import_id, import_status_);
   Geospatial::GDAL::DataSourceUqPtr poDS(openGDALDataSource(file_path, copy_params));
   if (poDS == nullptr) {
     throw std::runtime_error("openGDALDataSource Error: Unable to open geo file " +
                              file_path);
   }
 
   OGRLayer& layer =
       getLayerWithSpecifiedName(copy_params.geo_layer_name, poDS, file_path);
 
   // get the number of features in this layer
   size_t numFeatures = layer.GetFeatureCount();
 
   // build map of metadata field (additional columns) name to index
   // use shared_ptr since we need to pass it to the worker
   FieldNameToIndexMapType fieldNameToIndexMap;
   OGRFeatureDefn* poFDefn = layer.GetLayerDefn();
   CHECK(poFDefn);
   size_t numFields = poFDefn->GetFieldCount();
   for (size_t iField = 0; iField < numFields; iField++) {
     OGRFieldDefn* poFieldDefn = poFDefn->GetFieldDefn(iField);
     fieldNameToIndexMap.emplace(std::make_pair(poFieldDefn->GetNameRef(), iField));
   }
 
   // the geographic spatial reference we want to put everything in
   Geospatial::GDAL::SpatialReferenceUqPtr poGeographicSR(new OGRSpatialReference());
   poGeographicSR->importFromEPSG(copy_params.geo_coords_srid);
 
 #if GDAL_VERSION_MAJOR >= 3
   // GDAL 3.x (really Proj.4 6.x) now enforces lat, lon order
   // this results in X and Y being transposed for angle-based
   // coordinate systems. This restores the previous behavior.
   poGeographicSR->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
 #endif
 
 #if DISABLE_MULTI_THREADED_SHAPEFILE_IMPORT
   // just one "thread"
   max_threads = 1;
 #else
   // how many threads to use
   max_threads = num_import_threads(copy_params.threads);
 #endif
   VLOG(1) << "GDAL import # threads: " << max_threads;
 
   // metadata columns?
   auto const metadata_column_infos =
       parse_add_metadata_columns(copy_params.add_metadata_columns, file_path);
 
   // import geo table is specifically handled in both DBHandler and QueryRunner
   // that is separate path against a normal SQL execution
   // so we here explicitly enroll the import session to allow interruption
   // while importing geo table
   auto query_session = session_info ? session_info->get_session_id() : "";
   auto query_submitted_time = ::toString(std::chrono::system_clock::now());
   auto executor = Executor::getExecutor(Executor::UNITARY_EXECUTOR_ID);
   auto is_session_already_registered = false;
   {
     heavyai::shared_lock<heavyai::shared_mutex> session_read_lock(
         executor->getSessionLock());
     is_session_already_registered =
         executor->checkIsQuerySessionEnrolled(query_session, session_read_lock);
   }
   if (g_enable_non_kernel_time_query_interrupt && !query_session.empty() &&
       !is_session_already_registered) {
     executor->enrollQuerySession(query_session,
                                  "IMPORT_GEO_TABLE",
                                  query_submitted_time,
                                  Executor::UNITARY_EXECUTOR_ID,
                                  QuerySessionStatus::QueryStatus::RUNNING_IMPORTER);
   }
   ScopeGuard clearInterruptStatus = [executor, &query_session, &query_submitted_time] {
     // reset the runtime query interrupt status
     if (g_enable_non_kernel_time_query_interrupt && !query_session.empty()) {
       executor->clearQuerySessionStatus(query_session, query_submitted_time);
     }
   };
 
   // make an import buffer for each thread
   CHECK_EQ(import_buffers_vec.size(), 0u);
   import_buffers_vec.resize(max_threads);
   for (size_t i = 0; i < max_threads; i++) {
     for (const auto cd : loader->get_column_descs()) {
       import_buffers_vec[i].emplace_back(
           new TypedImportBuffer(cd, loader->getStringDict(cd)));
     }
   }
 
 #if !DISABLE_MULTI_THREADED_SHAPEFILE_IMPORT
   // threads
   std::list<std::future<ImportStatus>> threads;
 
   // use a stack to track thread_ids which must not overlap among threads
   // because thread_id is used to index import_buffers_vec[]
   std::stack<size_t> stack_thread_ids;
   for (size_t i = 0; i < max_threads; i++) {
     stack_thread_ids.push(i);
   }
 #endif
 
   // checkpoint the table
   auto table_epochs = loader->getTableEpochs();
 
   // reset the layer
   layer.ResetReading();
 
   static const size_t MAX_FEATURES_PER_CHUNK = 1000;
 
   // make a features buffer for each thread
   std::vector<FeaturePtrVector> features(max_threads);
 
   // make one of these for each thread, based on the first feature's SR
   std::vector<std::unique_ptr<OGRCoordinateTransformation>> coordinate_transformations(
       max_threads);
 
   // for each feature...
   size_t firstFeatureThisChunk = 0;
   while (firstFeatureThisChunk < numFeatures) {
     // how many features this chunk
     size_t numFeaturesThisChunk =
         std::min(MAX_FEATURES_PER_CHUNK, numFeatures - firstFeatureThisChunk);
 
 // get a thread_id not in use
 #if DISABLE_MULTI_THREADED_SHAPEFILE_IMPORT
     size_t thread_id = 0;
 #else
     auto thread_id = stack_thread_ids.top();
     stack_thread_ids.pop();
     CHECK(thread_id < max_threads);
 #endif
 
     // fill features buffer for new thread
     for (size_t i = 0; i < numFeaturesThisChunk; i++) {
       features[thread_id].emplace_back(layer.GetNextFeature());
     }
 
     // construct a coordinate transformation for each thread, if needed
     // some features may not have geometry, so look for the first one that does
     if (coordinate_transformations[thread_id] == nullptr) {
       for (auto const& feature : features[thread_id]) {
         auto const* geometry = feature->GetGeometryRef();
         if (geometry) {
           auto const* geometry_sr = geometry->getSpatialReference();
           // if the SR is non-null and non-empty and different from what we want
           // we need to make a reusable CoordinateTransformation
           if (geometry_sr &&
 #if GDAL_VERSION_MAJOR >= 3
               !geometry_sr->IsEmpty() &&
 #endif
               !geometry_sr->IsSame(poGeographicSR.get())) {
             // validate the SR before trying to use it
             if (geometry_sr->Validate() != OGRERR_NONE) {
               throw std::runtime_error("Incoming geo has invalid Spatial Reference");
             }
             // create the OGRCoordinateTransformation that will be used for
             // all the features in this chunk
             coordinate_transformations[thread_id].reset(
                 OGRCreateCoordinateTransformation(geometry_sr, poGeographicSR.get()));
             if (coordinate_transformations[thread_id] == nullptr) {
               throw std::runtime_error(
                   "Failed to create a GDAL CoordinateTransformation for incoming geo");
             }
           }
           // once we find at least one geometry with an SR, we're done
           break;
         }
       }
     }
 
 #if DISABLE_MULTI_THREADED_SHAPEFILE_IMPORT
     // call worker function directly
     auto ret_import_status =
         import_thread_shapefile(0,
                                 this,
                                 coordinate_transformations[thread_id].get(),
                                 std::move(features[thread_id]),
                                 firstFeatureThisChunk,
                                 numFeaturesThisChunk,
                                 fieldNameToIndexMap,
                                 columnNameToSourceNameMap,
                                 session_info,
                                 executor.get(),
                                 metadata_column_infos);
     import_status += ret_import_status;
     import_status.rows_estimated = ((float)firstFeatureThisChunk / (float)numFeatures) *
                                    import_status.rows_completed;
     set_import_status(import_id, import_status);
 #else
     // fire up that thread to import this geometry
     threads.push_back(std::async(std::launch::async,
                                  import_thread_shapefile,
                                  thread_id,
                                  this,
                                  coordinate_transformations[thread_id].get(),
                                  std::move(features[thread_id]),
                                  firstFeatureThisChunk,
                                  numFeaturesThisChunk,
                                  fieldNameToIndexMap,
                                  columnNameToSourceNameMap,
                                  session_info,
                                  executor.get(),
                                  metadata_column_infos));
 
     // let the threads run
     while (threads.size() > 0) {
       int nready = 0;
       for (std::list<std::future<ImportStatus>>::iterator it = threads.begin();
            it != threads.end();) {
         auto& p = *it;
         std::chrono::milliseconds span(
             0);  //(std::distance(it, threads.end()) == 1? 1: 0);
         if (p.wait_for(span) == std::future_status::ready) {
           auto ret_import_status = p.get();
           {
             heavyai::lock_guard<heavyai::shared_mutex> write_lock(import_mutex_);
             import_status_ += ret_import_status;
             import_status_.rows_estimated =
                 ((float)firstFeatureThisChunk / (float)numFeatures) *
                 import_status_.rows_completed;
             set_import_status(import_id, import_status_);
             if (import_status_.load_failed) {
               break;
             }
           }
           // recall thread_id for reuse
           stack_thread_ids.push(ret_import_status.thread_id);
 
           threads.erase(it++);
           ++nready;
         } else {
           ++it;
         }
       }
 
       if (nready == 0) {
         std::this_thread::yield();
       }
 
       // keep reading if any free thread slot
       // this is one of the major difference from old threading model !!
       if (threads.size() < max_threads) {
         break;
       }
     }
 #endif
 
     // out of rows?
 
     heavyai::unique_lock<heavyai::shared_mutex> write_lock(import_mutex_);
     if (import_status_.rows_rejected > copy_params.max_reject) {
       import_status_.load_failed = true;
       // todo use better message
       import_status_.load_msg = "Maximum rows rejected exceeded. Halting load";
       LOG(ERROR) << "Maximum rows rejected exceeded. Halting load";
       break;
     }
     if (import_status_.load_failed) {
       LOG(ERROR) << "A call to the Loader failed in GDAL, Please review the logs for "
                     "more details";
       break;
     }
 
     firstFeatureThisChunk += numFeaturesThisChunk;
   }
 
 #if !DISABLE_MULTI_THREADED_SHAPEFILE_IMPORT
   // wait for any remaining threads
   if (threads.size()) {
     for (auto& p : threads) {
       // wait for the thread
       p.wait();
       // get the result and update the final import status
       auto ret_import_status = p.get();
       import_status_ += ret_import_status;
       import_status_.rows_estimated = import_status_.rows_completed;
       set_import_status(import_id, import_status_);
     }
   }
 #endif
 
   checkpoint(table_epochs);
 
   return import_status_;
 }

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ImportStatus import_export::Importer::importGDALRaster ( const Catalog_Namespace::SessionInfo * session_info )

private

Definition at line 5523 of file Importer.cpp.

References threading_serial::async(), CHECK, CHECK_EQ, anonymous_namespace{Importer.cpp}::check_session_interrupted(), checkpoint(), ColumnDescriptor::columnName, ColumnDescriptor::columnType, Geospatial::compress_coords(), import_export::anonymous_namespace{Importer.cpp}::convert_raster_point_transform(), import_export::anonymous_namespace{Importer.cpp}::convert_raster_point_type(), import_export::RasterImporter::detect(), Executor::ERR_INTERRUPTED, logger::ERROR, f(), g_enable_non_kernel_time_query_interrupt, SQLTypeInfo::get_output_srid(), Catalog_Namespace::SessionInfo::get_session_id(), SQLTypeInfo::get_subtype(), SQLTypeInfo::get_type(), import_export::RasterImporter::getBandNamesAndSQLTypes(), import_export::RasterImporter::getBandNullValue(), import_export::RasterImporter::getBandsHeight(), import_export::RasterImporter::getBandsWidth(), Executor::getExecutor(), import_export::RasterImporter::getNumBands(), import_export::RasterImporter::getPointNamesAndSQLTypes(), import_export::RasterImporter::getProjectedPixelCoords(), import_export::RasterImporter::getRawPixels(), import_export::RasterImporter::import(), import_buffers_vec, import_id, import_export::DataStreamSink::import_status_, logger::INFO, ColumnDescriptor::isGeoPhyCol, kARRAY, kBIGINT, kDOUBLE, kFLOAT, kINT, kMaxRasterScanlinesPerThread, kNULLT, kPOINT, kSMALLINT, kTINYINT, load(), import_export::ImportStatus::load_failed, import_export::ImportStatus::load_msg, loader, LOG, max_threads, NULL_DOUBLE, NULL_FLOAT, NULL_INT, NULL_SMALLINT, import_export::num_import_threads(), import_export::parse_add_metadata_columns(), import_export::ImportStatus::rows_completed, import_export::ImportStatus::rows_estimated, import_export::ImportStatus::rows_rejected, set_import_status(), logger::thread_id(), timer_start(), TIMER_STOP, to_string(), toString(), Executor::UNITARY_EXECUTOR_ID, UNLIKELY, and VLOG.

Referenced by importGDAL().

                                                       {
   // initial status
   set_import_status(import_id, import_status_);
 
   // metadata columns?
   auto const metadata_column_infos =
       parse_add_metadata_columns(copy_params.add_metadata_columns, file_path);
 
   // create a raster importer and do the detect
   RasterImporter raster_importer;
   raster_importer.detect(
       file_path,
       copy_params.raster_import_bands,
       copy_params.raster_import_dimensions,
       convert_raster_point_type(copy_params.raster_point_type),
       convert_raster_point_transform(copy_params.raster_point_transform),
       copy_params.raster_point_compute_angle,
       true,
       metadata_column_infos);
 
   // get the table columns and count actual columns
   auto const& column_descs = loader->get_column_descs();
   uint32_t num_table_cols{0u};
   for (auto const* cd : column_descs) {
     if (!cd->isGeoPhyCol) {
       num_table_cols++;
     }
   }
 
   // how many bands do we have?
   auto num_bands = raster_importer.getNumBands();
 
   // get point columns info
   auto const point_names_and_sql_types = raster_importer.getPointNamesAndSQLTypes();
 
   // validate that the table column count matches
   auto num_expected_cols = num_bands;
   num_expected_cols += point_names_and_sql_types.size();
   num_expected_cols += metadata_column_infos.size();
   if (num_expected_cols != num_table_cols) {
     throw std::runtime_error(
         "Raster Import aborted. Band/Column count mismatch (file requires " +
         std::to_string(num_expected_cols) + ", table has " +
         std::to_string(num_table_cols) + ")");
   }
 
   // validate the point column names and types
   // if we're importing the coords as a POINT, then the first column
   // must be a POINT (two physical columns, POINT and TINYINT[])
   // if we're not, the first two columns must be the matching type
   // optionally followed by an angle column
   auto cd_itr = column_descs.begin();
   for (auto const& [col_name, sql_type] : point_names_and_sql_types) {
     if (sql_type == kPOINT) {
       // POINT column
       {
         auto const* cd = *cd_itr++;
         if (cd->columnName != col_name) {
           throw std::runtime_error("Column '" + cd->columnName +
                                    "' overridden name invalid (must be '" + col_name +
                                    "')");
         }
         auto const cd_type = cd->columnType.get_type();
         if (cd_type != kPOINT) {
           throw std::runtime_error("Column '" + cd->columnName +
                                    "' overridden type invalid (must be POINT)");
         }
         if (cd->columnType.get_output_srid() != 4326) {
           throw std::runtime_error("Column '" + cd->columnName +
                                    "' overridden SRID invalid (must be 4326)");
         }
       }
       // TINYINT[] coords sub-column
       {
         // if the above is true, this must be true
         auto const* cd = *cd_itr++;
         CHECK(cd->columnType.get_type() == kARRAY);
         CHECK(cd->columnType.get_subtype() == kTINYINT);
       }
     } else {
       // column of the matching name and type
       auto const* cd = *cd_itr++;
       if (cd->columnName != col_name) {
         throw std::runtime_error("Column '" + cd->columnName +
                                  "' overridden name invalid (must be '" + col_name +
                                  "')");
       }
       auto const cd_type = cd->columnType.get_type();
       if (cd_type != sql_type) {
         throw std::runtime_error("Column '" + cd->columnName +
                                  "' overridden type invalid (must be " +
                                  to_string(sql_type) + ")");
       }
     }
   }
 
   // validate the band column types
   // any Immerse overriding to other types will currently be rejected
   auto const band_names_and_types = raster_importer.getBandNamesAndSQLTypes();
   if (band_names_and_types.size() != num_bands) {
     throw std::runtime_error("Column/Band count mismatch when validating types");
   }
   for (uint32_t i = 0; i < num_bands; i++) {
     auto const* cd = *cd_itr++;
     auto const cd_type = cd->columnType.get_type();
     auto const sql_type = band_names_and_types[i].second;
     if (cd_type != sql_type) {
       throw std::runtime_error("Band Column '" + cd->columnName +
                                "' overridden type invalid (must be " +
                                to_string(sql_type) + ")");
     }
   }
 
   // validate metadata column
   for (auto const& mci : metadata_column_infos) {
     auto const* cd = *cd_itr++;
     if (mci.column_descriptor.columnName != cd->columnName) {
       throw std::runtime_error("Metadata Column '" + cd->columnName +
                                "' overridden name invalid (must be '" +
                                mci.column_descriptor.columnName + "')");
     }
     auto const cd_type = cd->columnType.get_type();
     auto const md_type = mci.column_descriptor.columnType.get_type();
     if (cd_type != md_type) {
       throw std::runtime_error("Metadata Column '" + cd->columnName +
                                "' overridden type invalid (must be " +
                                to_string(md_type) + ")");
     }
   }
 
   // import geo table is specifically handled in both DBHandler and QueryRunner
   // that is separate path against a normal SQL execution
   // so we here explicitly enroll the import session to allow interruption
   // while importing geo table
   auto query_session = session_info ? session_info->get_session_id() : "";
   auto query_submitted_time = ::toString(std::chrono::system_clock::now());
   auto executor = Executor::getExecutor(Executor::UNITARY_EXECUTOR_ID);
   auto is_session_already_registered = false;
   {
     heavyai::shared_lock<heavyai::shared_mutex> session_read_lock(
         executor->getSessionLock());
     is_session_already_registered =
         executor->checkIsQuerySessionEnrolled(query_session, session_read_lock);
   }
   if (g_enable_non_kernel_time_query_interrupt && !query_session.empty() &&
       !is_session_already_registered) {
     executor->enrollQuerySession(query_session,
                                  "IMPORT_GEO_TABLE",
                                  query_submitted_time,
                                  Executor::UNITARY_EXECUTOR_ID,
                                  QuerySessionStatus::QueryStatus::RUNNING_IMPORTER);
   }
   ScopeGuard clearInterruptStatus = [executor, &query_session, &query_submitted_time] {
     // reset the runtime query interrupt status
     if (g_enable_non_kernel_time_query_interrupt && !query_session.empty()) {
       executor->clearQuerySessionStatus(query_session, query_submitted_time);
     }
   };
 
   // how many threads are we gonna use?
   max_threads = num_import_threads(copy_params.threads);
   VLOG(1) << "GDAL import # threads: " << max_threads;
 
   if (copy_params.raster_scanlines_per_thread < 0) {
     throw std::runtime_error("Invalid CopyParams.raster_scanlines_per_thread! (" +
                              std::to_string(copy_params.raster_scanlines_per_thread) +
                              ")");
   }
   const int max_scanlines_per_thread =
       copy_params.raster_scanlines_per_thread == 0
           ? kMaxRasterScanlinesPerThread
           : std::min(copy_params.raster_scanlines_per_thread,
                      kMaxRasterScanlinesPerThread);
   VLOG(1) << "Raster Importer: Max scanlines per thread: " << max_scanlines_per_thread;
 
   // prepare to checkpoint the table
   auto table_epochs = loader->getTableEpochs();
 
   // start wall clock
   auto wall_timer = timer_start();
 
   // start the import
   raster_importer.import(
       max_threads,
       copy_params.threads == 0);  // NOTE: `max_threads` may change after this call
 
   // make an import buffer for each thread
   CHECK_EQ(import_buffers_vec.size(), 0u);
   import_buffers_vec.resize(max_threads);
   for (size_t i = 0; i < max_threads; i++) {
     for (auto const& cd : loader->get_column_descs()) {
       import_buffers_vec[i].emplace_back(
           new TypedImportBuffer(cd, loader->getStringDict(cd)));
     }
   }
 
   // status and times
   using ThreadReturn = std::tuple<ImportStatus, std::array<float, 3>>;
 
   // get the band dimensions
   auto const band_size_x = raster_importer.getBandsWidth();
   auto const band_size_y = raster_importer.getBandsHeight();
 
   // allocate raw pixel buffers per thread
   std::vector<RasterImporter::RawPixels> raw_pixel_bytes_per_thread(max_threads);
   for (size_t i = 0; i < max_threads; i++) {
     raw_pixel_bytes_per_thread[i].resize(band_size_x * max_scanlines_per_thread *
                                          sizeof(double));
   }
 
   // just the sql type of the first point column (if any)
   auto const point_sql_type = point_names_and_sql_types.size()
                                   ? point_names_and_sql_types.begin()->second
                                   : kNULLT;
 
   // lambda for importing to raw data buffers (threadable)
   auto import_rows =
       [&](const size_t thread_idx, const int y_start, const int y_end) -> ThreadReturn {
     // this threads's import buffers
     auto& import_buffers = import_buffers_vec[thread_idx];
 
     // this thread's raw pixel bytes
     auto& raw_pixel_bytes = raw_pixel_bytes_per_thread[thread_idx];
 
     // clear the buffers
     for (auto& col_buffer : import_buffers) {
       col_buffer->clear();
     }
 
     // prepare to iterate columns
     auto col_itr = column_descs.begin();
     int col_idx{0};
 
     float proj_s{0.0f};
     if (point_sql_type != kNULLT) {
       // the first two columns (either lon/lat or POINT/coords)
       auto const* cd_col0 = *col_itr++;
       auto const* cd_col1 = *col_itr++;
       auto const* cd_angle =
           copy_params.raster_point_compute_angle ? *col_itr++ : nullptr;
 
       // compute and add x and y
       auto proj_timer = timer_start();
       for (int y = y_start; y < y_end; y++) {
         // get projected pixel coords for this scan-line
         auto const coords = raster_importer.getProjectedPixelCoords(thread_idx, y);
 
         // add to buffers
         for (int x = 0; x < band_size_x; x++) {
           // this point and angle
           auto const& [dx, dy, angle] = coords[x];
 
           // store the point
           switch (point_sql_type) {
             case kPOINT: {
               // add empty value to POINT buffer
               TDatum td_point;
               import_buffers[0]->add_value(cd_col0, td_point, false);
 
               // convert lon/lat to bytes (compressed or not) and add to POINT coords
               // buffer
               auto const compressed_coords =
                   Geospatial::compress_coords({dx, dy}, cd_col0->columnType);
               std::vector<TDatum> td_coords_data;
               for (auto const& cc : compressed_coords) {
                 TDatum td_byte;
                 td_byte.val.int_val = cc;
                 td_coords_data.push_back(td_byte);
               }
               TDatum td_coords;
               td_coords.val.arr_val = td_coords_data;
               td_coords.is_null = false;
               import_buffers[1]->add_value(cd_col1, td_coords, false);
             } break;
             case kFLOAT:
             case kDOUBLE: {
               TDatum td;
               td.is_null = false;
               td.val.real_val = dx;
               import_buffers[0]->add_value(cd_col0, td, false);
               td.val.real_val = dy;
               import_buffers[1]->add_value(cd_col1, td, false);
             } break;
             case kSMALLINT:
             case kINT: {
               TDatum td;
               td.is_null = false;
               td.val.int_val = static_cast<int64_t>(x);
               import_buffers[0]->add_value(cd_col0, td, false);
               td.val.int_val = static_cast<int64_t>(y);
               import_buffers[1]->add_value(cd_col1, td, false);
             } break;
             default:
               CHECK(false);
           }
 
           // angle?
           if (copy_params.raster_point_compute_angle) {
             CHECK(cd_angle);
             TDatum td;
             td.is_null = false;
             td.val.real_val = static_cast<double>(angle);
             import_buffers[2]->add_value(cd_angle, td, false);
           }
         }
       }
       proj_s = TIMER_STOP(proj_timer);
       col_idx += (copy_params.raster_point_compute_angle ? 3 : 2);
     }
 
     // prepare to accumulate read and conv times
     float read_s{0.0f};
     float conv_s{0.0f};
 
     // y_end is one past the actual end, so don't add 1
     auto const num_rows = y_end - y_start;
     auto const num_elems = band_size_x * num_rows;
 
     ImportStatus thread_import_status;
 
     bool read_block_failed = false;
 
     // for each band/column
     for (uint32_t band_idx = 0; band_idx < num_bands; band_idx++) {
       // the corresponding column
       auto const* cd_band = *col_itr;
       CHECK(cd_band);
 
       // data type to read as
       auto const cd_type = cd_band->columnType.get_type();
 
       // read the scanlines (will do a data type conversion if necessary)
       try {
         auto read_timer = timer_start();
         raster_importer.getRawPixels(
             thread_idx, band_idx, y_start, num_rows, cd_type, raw_pixel_bytes);
         read_s += TIMER_STOP(read_timer);
       } catch (std::runtime_error& e) {
         // report error
         LOG(ERROR) << e.what();
         // abort this block
         read_block_failed = true;
         break;
       }
 
       // null value?
       auto const [null_value, null_value_valid] =
           raster_importer.getBandNullValue(band_idx);
 
       // copy to this thread's import buffers
       // convert any nulls we find
       auto conv_timer = timer_start();
       TDatum td;
       switch (cd_type) {
         case kSMALLINT: {
           const int16_t* values =
               reinterpret_cast<const int16_t*>(raw_pixel_bytes.data());
           for (int idx = 0; idx < num_elems; idx++) {
             auto const& value = values[idx];
             if (null_value_valid && value == static_cast<int16_t>(null_value)) {
               td.is_null = true;
               td.val.int_val = NULL_SMALLINT;
             } else {
               td.is_null = false;
               td.val.int_val = static_cast<int64_t>(value);
             }
             import_buffers[col_idx]->add_value(cd_band, td, false);
           }
         } break;
         case kINT: {
           const int32_t* values =
               reinterpret_cast<const int32_t*>(raw_pixel_bytes.data());
           for (int idx = 0; idx < num_elems; idx++) {
             auto const& value = values[idx];
             if (null_value_valid && value == static_cast<int32_t>(null_value)) {
               td.is_null = true;
               td.val.int_val = NULL_INT;
             } else {
               td.is_null = false;
               td.val.int_val = static_cast<int64_t>(value);
             }
             import_buffers[col_idx]->add_value(cd_band, td, false);
           }
         } break;
         case kBIGINT: {
           const uint32_t* values =
               reinterpret_cast<const uint32_t*>(raw_pixel_bytes.data());
           for (int idx = 0; idx < num_elems; idx++) {
             auto const& value = values[idx];
             if (null_value_valid && value == static_cast<uint32_t>(null_value)) {
               td.is_null = true;
               td.val.int_val = NULL_INT;
             } else {
               td.is_null = false;
               td.val.int_val = static_cast<int64_t>(value);
             }
             import_buffers[col_idx]->add_value(cd_band, td, false);
           }
         } break;
         case kFLOAT: {
           const float* values = reinterpret_cast<const float*>(raw_pixel_bytes.data());
           for (int idx = 0; idx < num_elems; idx++) {
             auto const& value = values[idx];
             if (null_value_valid && value == static_cast<float>(null_value)) {
               td.is_null = true;
               td.val.real_val = NULL_FLOAT;
             } else {
               td.is_null = false;
               td.val.real_val = static_cast<double>(value);
             }
             import_buffers[col_idx]->add_value(cd_band, td, false);
           }
         } break;
         case kDOUBLE: {
           const double* values = reinterpret_cast<const double*>(raw_pixel_bytes.data());
           for (int idx = 0; idx < num_elems; idx++) {
             auto const& value = values[idx];
             if (null_value_valid && value == null_value) {
               td.is_null = true;
               td.val.real_val = NULL_DOUBLE;
             } else {
               td.is_null = false;
               td.val.real_val = value;
             }
             import_buffers[col_idx]->add_value(cd_band, td, false);
           }
         } break;
         default:
           CHECK(false);
       }
       conv_s += TIMER_STOP(conv_timer);
 
       // next column
       col_idx++;
       col_itr++;
     }
 
     if (read_block_failed) {
       // discard block data
       for (auto& col_buffer : import_buffers) {
         col_buffer->clear();
       }
       thread_import_status.rows_rejected += num_elems;
     } else {
       // metadata columns?
       for (auto const& mci : metadata_column_infos) {
         auto const* cd_band = *col_itr++;
         CHECK(cd_band);
         for (int i = 0; i < num_elems; i++) {
           import_buffers[col_idx]->add_value(cd_band, mci.value, false, copy_params);
         }
         col_idx++;
       }
       thread_import_status.rows_estimated = num_elems;
       thread_import_status.rows_completed = num_elems;
     }
 
     // done
     return {std::move(thread_import_status), {proj_s, read_s, conv_s}};
   };
 
   // time the phases
   float total_proj_s{0.0f};
   float total_read_s{0.0f};
   float total_conv_s{0.0f};
   float total_load_s{0.0f};
 
   const int min_scanlines_per_thread = 8;
   const int max_scanlines_per_block = max_scanlines_per_thread * max_threads;
   for (int block_y = 0; block_y < band_size_y;
        block_y += (max_threads * max_scanlines_per_thread)) {
     using Future = std::future<ThreadReturn>;
     std::vector<Future> futures;
     const int scanlines_in_block =
         std::min(band_size_y - block_y, max_scanlines_per_block);
     const int pixels_in_block = scanlines_in_block * band_size_x;
     const int block_max_scanlines_per_thread =
         std::max((scanlines_in_block + static_cast<int>(max_threads) - 1) /
                      static_cast<int>(max_threads),
                  min_scanlines_per_thread);
     VLOG(1) << "Raster Importer: scanlines_in_block: " << scanlines_in_block
             << ", block_max_scanlines_per_thread:  " << block_max_scanlines_per_thread;
 
     std::vector<size_t> rows_per_thread;
     auto block_wall_timer = timer_start();
     // run max_threads scanlines at once
     for (size_t thread_id = 0; thread_id < max_threads; thread_id++) {
       const int y_start = block_y + thread_id * block_max_scanlines_per_thread;
       if (y_start < band_size_y) {
         const int y_end = std::min(y_start + block_max_scanlines_per_thread, band_size_y);
         if (y_start < y_end) {
           rows_per_thread.emplace_back((y_end - y_start) * band_size_x);
           futures.emplace_back(
               std::async(std::launch::async, import_rows, thread_id, y_start, y_end));
         }
       }
     }
 
     // wait for the threads to finish and
     // accumulate the results and times
     float proj_s{0.0f}, read_s{0.0f}, conv_s{0.0f}, load_s{0.0f};
     size_t thread_idx = 0;
     for (auto& future : futures) {
       auto const [import_status, times] = future.get();
       import_status_ += import_status;
       proj_s += times[0];
       read_s += times[1];
       conv_s += times[2];
       // We load the data in thread order so we can get deterministic row-major raster
       // ordering
       // Todo: We should consider invoking the load on another thread in a ping-pong
       // fashion so we can simultaneously read the next batch of data
       auto thread_load_timer = timer_start();
       // only try to load this thread's data if valid
       if (import_status.rows_rejected == 0) {
         load(import_buffers_vec[thread_idx], rows_per_thread[thread_idx], session_info);
       }
       load_s += TIMER_STOP(thread_load_timer);
       ++thread_idx;
     }
 
     // average times over all threads (except for load which is single-threaded)
     total_proj_s += (proj_s / float(futures.size()));
     total_read_s += (read_s / float(futures.size()));
     total_conv_s += (conv_s / float(futures.size()));
     total_load_s += load_s;
 
     // update the status
     set_import_status(import_id, import_status_);
 
     // more debug
     auto const block_wall_s = TIMER_STOP(block_wall_timer);
     auto const scanlines_per_second = scanlines_in_block / block_wall_s;
     auto const rows_per_second = pixels_in_block / block_wall_s;
     LOG(INFO) << "Raster Importer: Loaded " << scanlines_in_block
               << " scanlines starting at " << block_y << " out of " << band_size_y
               << " in " << block_wall_s << "s at " << scanlines_per_second
               << " scanlines/s and " << rows_per_second << " rows/s";
 
     // check for interrupt
     if (UNLIKELY(check_session_interrupted(query_session, executor.get()))) {
       import_status_.load_failed = true;
       import_status_.load_msg = "Raster Import interrupted";
       throw QueryExecutionError(Executor::ERR_INTERRUPTED);
     }
 
     // hit max_reject?
     if (import_status_.rows_rejected > copy_params.max_reject) {
       break;
     }
   }
 
   // checkpoint
   auto checkpoint_timer = timer_start();
   checkpoint(table_epochs);
   auto const checkpoint_s = TIMER_STOP(checkpoint_timer);
 
   // stop wall clock
   auto const total_wall_s = TIMER_STOP(wall_timer);
 
   // report
   auto const total_scanlines_per_second = float(band_size_y) / total_wall_s;
   auto const total_rows_per_second =
       float(band_size_x) * float(band_size_y) / total_wall_s;
   LOG(INFO) << "Raster Importer: Imported "
             << static_cast<uint64_t>(band_size_x) * static_cast<uint64_t>(band_size_y)
             << " rows";
   LOG(INFO) << "Raster Importer: Total Import Time " << total_wall_s << "s at "
             << total_scanlines_per_second << " scanlines/s and " << total_rows_per_second
             << " rows/s";
 
   // if we hit max_reject, throw an exception now to report the error and abort any
   // multi-file loop
   if (import_status_.rows_rejected > copy_params.max_reject) {
     std::string msg = "Raster Importer: Import aborted after failing to read " +
                       std::to_string(import_status_.rows_rejected) +
                       " rows/pixels (limit " + std::to_string(copy_params.max_reject) +
                       ")";
     import_status_.load_msg = msg;
     set_import_status(import_id, import_status_);
     throw std::runtime_error(msg);
   }
 
   // phase times (with proportions)
   auto proj_pct = float(int(total_proj_s / total_wall_s * 1000.0f) * 0.1f);
   auto read_pct = float(int(total_read_s / total_wall_s * 1000.0f) * 0.1f);
   auto conv_pct = float(int(total_conv_s / total_wall_s * 1000.0f) * 0.1f);
   auto load_pct = float(int(total_load_s / total_wall_s * 1000.0f) * 0.1f);
   auto cpnt_pct = float(int(checkpoint_s / total_wall_s * 1000.0f) * 0.1f);
 
   VLOG(1) << "Raster Importer: Import timing breakdown:";
   VLOG(1) << "  Project    " << total_proj_s << "s (" << proj_pct << "%)";
   VLOG(1) << "  Read       " << total_read_s << "s (" << read_pct << "%)";
   VLOG(1) << "  Convert    " << total_conv_s << "s (" << conv_pct << "%)";
   VLOG(1) << "  Load       " << total_load_s << "s (" << load_pct << "%)";
   VLOG(1) << "  Checkpoint " << checkpoint_s << "s (" << cpnt_pct << "%)";
 
   // all done
   return import_status_;
 }

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void import_export::Importer::load	(	const std::vector< std::unique_ptr< TypedImportBuffer >> &	import_buffers,
		size_t	row_count,
		const Catalog_Namespace::SessionInfo *	session_info
	)

Definition at line 3514 of file Importer.cpp.

References import_export::DataStreamSink::import_mutex_, import_export::DataStreamSink::import_status_, import_export::ImportStatus::load_failed, import_export::ImportStatus::load_msg, and loader.

Referenced by import_export::import_thread_delimited(), import_export::import_thread_shapefile(), and importGDALRaster().

                                                                       {
   if (!loader->loadNoCheckpoint(import_buffers, row_count, session_info)) {
     heavyai::lock_guard<heavyai::shared_mutex> write_lock(import_mutex_);
     import_status_.load_failed = true;
     import_status_.load_msg = loader->getErrorMessage();
   }
 }

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Geospatial::GDAL::DataSourceUqPtr import_export::Importer::openGDALDataSource	(	const std::string &	fileName,
		const CopyParams &	copy_params
	)

staticprivate

Definition at line 4582 of file Importer.cpp.

References Geospatial::GDAL::init(), import_export::kGeoFile, Geospatial::GDAL::openDataSource(), import_export::CopyParams::s3_access_key, import_export::CopyParams::s3_endpoint, import_export::CopyParams::s3_region, import_export::CopyParams::s3_secret_key, import_export::CopyParams::s3_session_token, Geospatial::GDAL::setAuthorizationTokens(), import_export::CopyParams::source_type, and to_string().

Referenced by gdalGetLayersInGeoFile(), gdalToColumnDescriptorsGeo(), importGDALGeo(), and readMetadataSampleGDAL().

                                    {
   Geospatial::GDAL::init();
   Geospatial::GDAL::setAuthorizationTokens(copy_params.s3_region,
                                            copy_params.s3_endpoint,
                                            copy_params.s3_access_key,
                                            copy_params.s3_secret_key,
                                            copy_params.s3_session_token);
   if (copy_params.source_type != import_export::SourceType::kGeoFile) {
     throw std::runtime_error("Unexpected CopyParams.source_type (" +
                              std::to_string(static_cast<int>(copy_params.source_type)) +
                              ")");
   }
   return Geospatial::GDAL::openDataSource(file_name, import_export::SourceType::kGeoFile);
 }

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void import_export::Importer::readMetadataSampleGDAL	(	const std::string &	fileName,
		const std::string &	geoColumnName,
		std::map< std::string, std::vector< std::string >> &	metadata,
		int	rowLimit,
		const CopyParams &	copy_params
	)

static

Definition at line 4624 of file Importer.cpp.

References import_export::CopyParams::add_metadata_columns, CHECK, import_export::CopyParams::geo_layer_name, import_export::anonymous_namespace{Importer.cpp}::getLayerWithSpecifiedName(), openGDALDataSource(), and import_export::parse_add_metadata_columns().

Referenced by DBHandler::detect_column_types().

                                    {
   Geospatial::GDAL::DataSourceUqPtr datasource(
       openGDALDataSource(file_name, copy_params));
   if (datasource == nullptr) {
     throw std::runtime_error("openGDALDataSource Error: Unable to open geo file " +
                              file_name);
   }
 
   OGRLayer& layer =
       getLayerWithSpecifiedName(copy_params.geo_layer_name, datasource, file_name);
 
   auto const* feature_defn = layer.GetLayerDefn();
   CHECK(feature_defn);
 
   // metadata columns?
   auto const metadata_column_infos =
       parse_add_metadata_columns(copy_params.add_metadata_columns, file_name);
 
   // get limited feature count
   // typeof GetFeatureCount() is different between GDAL 1.x (int32_t) and 2.x (int64_t)
   auto const feature_count = static_cast<uint64_t>(layer.GetFeatureCount());
   auto const num_features = std::min(static_cast<uint64_t>(row_limit), feature_count);
 
   // prepare sample data map
   for (int field_index = 0; field_index < feature_defn->GetFieldCount(); field_index++) {
     auto const* column_name = feature_defn->GetFieldDefn(field_index)->GetNameRef();
     CHECK(column_name);
     sample_data[column_name] = {};
   }
   sample_data[geo_column_name] = {};
   for (auto const& mci : metadata_column_infos) {
     sample_data[mci.column_descriptor.columnName] = {};
   }
 
   // prepare to read
   layer.ResetReading();
 
   // read features (up to limited count)
   uint64_t feature_index{0u};
   while (feature_index < num_features) {
     // get (and take ownership of) feature
     Geospatial::GDAL::FeatureUqPtr feature(layer.GetNextFeature());
     if (!feature) {
       break;
     }
 
     // get feature geometry
     auto const* geometry = feature->GetGeometryRef();
     if (geometry == nullptr) {
       break;
     }
 
     // validate geom type (again?)
     switch (wkbFlatten(geometry->getGeometryType())) {
       case wkbPoint:
       case wkbMultiPoint:
       case wkbLineString:
       case wkbMultiLineString:
       case wkbPolygon:
       case wkbMultiPolygon:
         break;
       default:
         throw std::runtime_error("Unsupported geometry type: " +
                                  std::string(geometry->getGeometryName()));
     }
 
     // populate sample data for regular field columns
     for (int field_index = 0; field_index < feature->GetFieldCount(); field_index++) {
       auto const* column_name = feature_defn->GetFieldDefn(field_index)->GetNameRef();
       sample_data[column_name].push_back(feature->GetFieldAsString(field_index));
     }
 
     // populate sample data for metadata columns?
     for (auto const& mci : metadata_column_infos) {
       sample_data[mci.column_descriptor.columnName].push_back(mci.value);
     }
 
     // populate sample data for geo column with WKT string
     char* wkts = nullptr;
     geometry->exportToWkt(&wkts);
     CHECK(wkts);
     sample_data[geo_column_name].push_back(wkts);
     CPLFree(wkts);
 
     // next feature
     feature_index++;
   }
 }

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void import_export::Importer::set_geo_physical_import_buffer	(	const Catalog_Namespace::Catalog &	catalog,
		const ColumnDescriptor *	cd,
		std::vector< std::unique_ptr< TypedImportBuffer >> &	import_buffers,
		size_t &	col_idx,
		std::vector< double > &	coords,
		std::vector< double > &	bounds,
		std::vector< int > &	ring_sizes,
		std::vector< int > &	poly_rings,
		const bool	force_null = `false`
	)

static

Definition at line 1636 of file Importer.cpp.

References ColumnDescriptor::columnId, ColumnDescriptor::columnType, Geospatial::compress_coords(), SQLTypeInfo::get_type(), Catalog_Namespace::Catalog::getMetadataForColumn(), Geospatial::is_null_point(), kLINESTRING, kMULTILINESTRING, kMULTIPOINT, kMULTIPOLYGON, kPOINT, kPOLYGON, NULL_ARRAY_DOUBLE, NULL_DOUBLE, and ColumnDescriptor::tableId.

Referenced by import_export::TypedImportBuffer::convert_arrow_val_to_import_buffer(), Parser::AddColumnStmt::execute(), import_export::fill_missing_columns(), import_export::import_thread_delimited(), foreign_storage::TextFileBufferParser::processGeoColumn(), and foreign_storage::TextFileBufferParser::processInvalidGeoColumn().

                            {
   const auto col_ti = cd->columnType;
   const auto col_type = col_ti.get_type();
   auto columnId = cd->columnId;
   auto cd_coords = catalog.getMetadataForColumn(cd->tableId, ++columnId);
   bool is_null_geo = false;
   bool is_null_point = false;
   if (!col_ti.get_notnull()) {
     // Check for NULL geo
     if (col_type == kPOINT && (coords.empty() || coords[0] == NULL_ARRAY_DOUBLE)) {
       is_null_point = true;
       coords.clear();
     }
     is_null_geo = coords.empty();
     if (is_null_point) {
       coords.push_back(NULL_ARRAY_DOUBLE);
       coords.push_back(NULL_DOUBLE);
       // Treating POINT coords as notnull, need to store actual encoding
       // [un]compressed+[not]null
       is_null_geo = false;
     }
   }
   if (force_null) {
     is_null_geo = true;
   }
   TDatum tdd_coords;
   // Get the raw data representing [optionally compressed] non-NULL geo's coords.
   // One exception - NULL POINT geo: coords need to be processed to encode nullness
   // in a fixlen array, compressed and uncompressed.
   if (!is_null_geo) {
     std::vector<uint8_t> compressed_coords = Geospatial::compress_coords(coords, col_ti);
     tdd_coords.val.arr_val.reserve(compressed_coords.size());
     for (auto cc : compressed_coords) {
       tdd_coords.val.arr_val.emplace_back();
       tdd_coords.val.arr_val.back().val.int_val = cc;
     }
   }
   tdd_coords.is_null = is_null_geo;
   import_buffers[col_idx++]->add_value(cd_coords, tdd_coords, false);
 
   if (col_type == kMULTILINESTRING || col_type == kPOLYGON || col_type == kMULTIPOLYGON) {
     // Create [linest]ring_sizes array value and add it to the physical column
     auto cd_ring_sizes = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     TDatum tdd_ring_sizes;
     tdd_ring_sizes.val.arr_val.reserve(ring_sizes.size());
     if (!is_null_geo) {
       for (auto ring_size : ring_sizes) {
         tdd_ring_sizes.val.arr_val.emplace_back();
         tdd_ring_sizes.val.arr_val.back().val.int_val = ring_size;
       }
     }
     tdd_ring_sizes.is_null = is_null_geo;
     import_buffers[col_idx++]->add_value(cd_ring_sizes, tdd_ring_sizes, false);
   }
 
   if (col_type == kMULTIPOLYGON) {
     // Create poly_rings array value and add it to the physical column
     auto cd_poly_rings = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     TDatum tdd_poly_rings;
     tdd_poly_rings.val.arr_val.reserve(poly_rings.size());
     if (!is_null_geo) {
       for (auto num_rings : poly_rings) {
         tdd_poly_rings.val.arr_val.emplace_back();
         tdd_poly_rings.val.arr_val.back().val.int_val = num_rings;
       }
     }
     tdd_poly_rings.is_null = is_null_geo;
     import_buffers[col_idx++]->add_value(cd_poly_rings, tdd_poly_rings, false);
   }
 
   if (col_type == kLINESTRING || col_type == kMULTILINESTRING || col_type == kPOLYGON ||
       col_type == kMULTIPOLYGON || col_type == kMULTIPOINT) {
     auto cd_bounds = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     TDatum tdd_bounds;
     tdd_bounds.val.arr_val.reserve(bounds.size());
     if (!is_null_geo) {
       for (auto b : bounds) {
         tdd_bounds.val.arr_val.emplace_back();
         tdd_bounds.val.arr_val.back().val.real_val = b;
       }
     }
     tdd_bounds.is_null = is_null_geo;
     import_buffers[col_idx++]->add_value(cd_bounds, tdd_bounds, false);
   }
 }

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void import_export::Importer::set_geo_physical_import_buffer_columnar	(	const Catalog_Namespace::Catalog &	catalog,
		const ColumnDescriptor *	cd,
		std::vector< std::unique_ptr< TypedImportBuffer >> &	import_buffers,
		size_t &	col_idx,
		std::vector< std::vector< double >> &	coords_column,
		std::vector< std::vector< double >> &	bounds_column,
		std::vector< std::vector< int >> &	ring_sizes_column,
		std::vector< std::vector< int >> &	poly_rings_column
	)

static

Definition at line 1731 of file Importer.cpp.

References CHECK, ColumnDescriptor::columnId, ColumnDescriptor::columnType, Geospatial::compress_coords(), SQLTypeInfo::get_type(), Catalog_Namespace::Catalog::getMetadataForColumn(), Geospatial::is_null_point(), kLINESTRING, kMULTILINESTRING, kMULTIPOINT, kMULTIPOLYGON, kPOINT, kPOLYGON, NULL_ARRAY_DOUBLE, NULL_DOUBLE, and ColumnDescriptor::tableId.

Referenced by DBHandler::fillGeoColumns().

                                                   {
   const auto col_ti = cd->columnType;
   const auto col_type = col_ti.get_type();
   auto columnId = cd->columnId;
 
   auto coords_row_count = coords_column.size();
   auto cd_coords = catalog.getMetadataForColumn(cd->tableId, ++columnId);
   for (auto& coords : coords_column) {
     bool is_null_geo = false;
     bool is_null_point = false;
     if (!col_ti.get_notnull()) {
       // Check for NULL geo
       if (col_type == kPOINT && (coords.empty() || coords[0] == NULL_ARRAY_DOUBLE)) {
         is_null_point = true;
         coords.clear();
       }
       is_null_geo = coords.empty();
       if (is_null_point) {
         coords.push_back(NULL_ARRAY_DOUBLE);
         coords.push_back(NULL_DOUBLE);
         // Treating POINT coords as notnull, need to store actual encoding
         // [un]compressed+[not]null
         is_null_geo = false;
       }
     }
     std::vector<TDatum> td_coords_data;
     if (!is_null_geo) {
       std::vector<uint8_t> compressed_coords =
           Geospatial::compress_coords(coords, col_ti);
       for (auto const& cc : compressed_coords) {
         TDatum td_byte;
         td_byte.val.int_val = cc;
         td_coords_data.push_back(td_byte);
       }
     }
     TDatum tdd_coords;
     tdd_coords.val.arr_val = td_coords_data;
     tdd_coords.is_null = is_null_geo;
     import_buffers[col_idx]->add_value(cd_coords, tdd_coords, false);
   }
   col_idx++;
 
   if (col_type == kMULTILINESTRING || col_type == kPOLYGON || col_type == kMULTIPOLYGON) {
     if (ring_sizes_column.size() != coords_row_count) {
       CHECK(false) << "Geometry import columnar: ring sizes column size mismatch";
     }
     // Create [linest[ring_sizes array value and add it to the physical column
     auto cd_ring_sizes = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     for (auto const& ring_sizes : ring_sizes_column) {
       bool is_null_geo = false;
       if (!col_ti.get_notnull()) {
         // Check for NULL geo
         is_null_geo = ring_sizes.empty();
       }
       std::vector<TDatum> td_ring_sizes;
       for (auto const& ring_size : ring_sizes) {
         TDatum td_ring_size;
         td_ring_size.val.int_val = ring_size;
         td_ring_sizes.push_back(td_ring_size);
       }
       TDatum tdd_ring_sizes;
       tdd_ring_sizes.val.arr_val = td_ring_sizes;
       tdd_ring_sizes.is_null = is_null_geo;
       import_buffers[col_idx]->add_value(cd_ring_sizes, tdd_ring_sizes, false);
     }
     col_idx++;
   }
 
   if (col_type == kMULTIPOLYGON) {
     if (poly_rings_column.size() != coords_row_count) {
       CHECK(false) << "Geometry import columnar: poly rings column size mismatch";
     }
     // Create poly_rings array value and add it to the physical column
     auto cd_poly_rings = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     for (auto const& poly_rings : poly_rings_column) {
       bool is_null_geo = false;
       if (!col_ti.get_notnull()) {
         // Check for NULL geo
         is_null_geo = poly_rings.empty();
       }
       std::vector<TDatum> td_poly_rings;
       for (auto const& num_rings : poly_rings) {
         TDatum td_num_rings;
         td_num_rings.val.int_val = num_rings;
         td_poly_rings.push_back(td_num_rings);
       }
       TDatum tdd_poly_rings;
       tdd_poly_rings.val.arr_val = td_poly_rings;
       tdd_poly_rings.is_null = is_null_geo;
       import_buffers[col_idx]->add_value(cd_poly_rings, tdd_poly_rings, false);
     }
     col_idx++;
   }
 
   if (col_type == kLINESTRING || col_type == kMULTILINESTRING || col_type == kPOLYGON ||
       col_type == kMULTIPOLYGON || col_type == kMULTIPOINT) {
     if (bounds_column.size() != coords_row_count) {
       CHECK(false) << "Geometry import columnar: bounds column size mismatch";
     }
     auto cd_bounds = catalog.getMetadataForColumn(cd->tableId, ++columnId);
     for (auto const& bounds : bounds_column) {
       bool is_null_geo = false;
       if (!col_ti.get_notnull()) {
         // Check for NULL geo
         is_null_geo = (bounds.empty() || bounds[0] == NULL_ARRAY_DOUBLE);
       }
       std::vector<TDatum> td_bounds_data;
       for (auto const& b : bounds) {
         TDatum td_double;
         td_double.val.real_val = b;
         td_bounds_data.push_back(td_double);
       }
       TDatum tdd_bounds;
       tdd_bounds.val.arr_val = td_bounds_data;
       tdd_bounds.is_null = is_null_geo;
       import_buffers[col_idx]->add_value(cd_bounds, tdd_bounds, false);
     }
     col_idx++;
   }
 }

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void import_export::Importer::set_import_status	(	const std::string &	id,
		const ImportStatus	is
	)

static

Definition at line 240 of file Importer.cpp.

References import_export::ImportStatus::elapsed, import_export::ImportStatus::end, import_id, import_export::import_status_map, import_export::ImportStatus::start, and import_export::status_mutex.

Referenced by importDelimited(), importGDALGeo(), importGDALRaster(), import_export::ForeignDataImporter::importGeneralS3(), and anonymous_namespace{ForeignDataImporter.cpp}::load_foreign_data_buffers().

                                                                             {
   heavyai::lock_guard<heavyai::shared_mutex> write_lock(status_mutex);
   is.end = std::chrono::steady_clock::now();
   is.elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(is.end - is.start);
   import_status_map[import_id] = is;
 }

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Member Data Documentation

char* import_export::Importer::buffer[2]

private

Definition at line 898 of file Importer.h.

Referenced by Importer(), and ~Importer().

size_t import_export::Importer::file_size

private

Definition at line 896 of file Importer.h.

Referenced by importDelimited(), and Importer().

std::vector<std::vector<std::unique_ptr<TypedImportBuffer> > > import_export::Importer::import_buffers_vec

private

Definition at line 899 of file Importer.h.

Referenced by checkpoint(), get_import_buffers(), get_import_buffers_vec(), importDelimited(), importGDALGeo(), and importGDALRaster().

std::string import_export::Importer::import_id

private

Definition at line 895 of file Importer.h.

Referenced by importDelimited(), Importer(), importGDALGeo(), importGDALRaster(), heavydb.thrift.Heavy.import_table_status_args::read(), set_import_status(), and heavydb.thrift.Heavy.import_table_status_args::write().

std::mutex import_export::Importer::init_gdal_mutex

staticprivate

Definition at line 902 of file Importer.h.

std::unique_ptr<bool[]> import_export::Importer::is_array_a

private

Definition at line 901 of file Importer.h.

Referenced by get_is_array(), and Importer().

std::unique_ptr<Loader> import_export::Importer::loader

private

Definition at line 900 of file Importer.h.

Referenced by checkpoint(), get_column_descs(), getCatalog(), getLoader(), importDelimited(), Importer(), importGDALGeo(), importGDALRaster(), and load().

size_t import_export::Importer::max_threads

private

Definition at line 897 of file Importer.h.

Referenced by importDelimited(), Importer(), importGDALGeo(), and importGDALRaster().

The documentation for this class was generated from the following files:

/home/jenkins-slave/workspace/core-os-doxygen/ImportExport/Importer.h
/home/jenkins-slave/workspace/core-os-doxygen/ImportExport/Importer.cpp

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