[gdal-dev] Why Open() inside QuietDelete()?

Abel Pau a.pau at creaf.uab.cat
Thu Dec 14 08:36:27 PST 2023


Hi, today I have a very inside-code question...
I'm wondering why when I want to translate from .SHP to MiraMonFile (.PNT) and the destinatination file already exists I seems that the call stack reveals a way that is weird for me and I would like to understand:

Translate->Create->(then, as it extist) QuietDelete ->Detele ->Open.... (why Open if I have to delete?)

Why I need to Open a file if my goal is to delete it? There is something I am missing and I'd appreciate any answer. Thanks a lot.


The complete call stack is this:
gdald.dll!MMInitLayerToRead(MiraMonVectLayerInfo * hMiraMonLayer, VSIVirtualHandle * m_fp, const char * pszFilename) Line 157    C

gdald.dll!OGRMiraMonLayer::OGRMiraMonLayer(const char * pszFilename, VSIVirtualHandle * fp, const OGRSpatialReference * poSRS, int bUpdateIn, char * * papszOpenOptions) Line 182       C++

gdald.dll!OGRMiraMonDataSource::Open(const char * pszFilename, VSIVirtualHandle * fp, const OGRSpatialReference * poSRS, int bUpdateIn, char * * papszOpenOptionsUsr) Line 67               C++

gdald.dll!OGRMMDriverOpen(GDALOpenInfo * poOpenInfo) Line 90      C++

gdald.dll!GDALDriver::Open(GDALOpenInfo * poOpenInfo, bool bSetOpenOptions) Line 116       C++

gdald.dll!GDALOpenEx(const char * pszFilename, unsigned int nOpenFlags, const char * const * papszAllowedDrivers, const char * const * papszOpenOptions, const char * const * papszSiblingFiles) Line 3670             C++

gdald.dll!GDALDriver::Delete(const char * pszFilename) Line 1631           C++

gdald.dll!GDALDriver::QuietDelete(const char * pszName, const char * const * papszAllowedDrivers) Line 1594 C++

gdald.dll!GDALDriver::Create(const char * pszFilename, int nXSize, int nYSize, int nBands, GDALDataType eType, const char * const * papszOptions) Line 264    C++

gdald.dll!GDALVectorTranslate(const char * pszDest, void * hDstDS, int nSrcCount, void * * pahSrcDS, const GDALVectorTranslateOptions * psOptionsIn, int * pbUsageError) Line 2589         C++

ogr2ogr.exe!wmain(int nArgc, wchar_t * * argv_w, wchar_t * * __formal) Line 455         C++




Abel Pau Garcia
GIS developer
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