[gdal-dev] MSSQLSpatial not using BCP to load
jratike80
jukka.rahkonen at maanmittauslaitos.fi
Mon Jun 29 07:09:59 PDT 2020
Hi,
Don't use -skipfailures. It is only possible to skip errors one by one if
transactions also contain just one row. It is even documented in the
Performance hints in https://gdal.org/programs/ogr2ogr.html.
-Jukka Rahkonen-
hectormauer wrote
> Hi,
>
> As a part of a project I need to load quite big geojsons into SQL Server
> and I am using ogr2ogr to do so.
>
> Here is an example command I am using:
>
> ogr2ogr -f MSSQLSpatial
> "MSSQL:server=xxx;database=xxx;UID=xxx;PWD=xxx;DRIVER={ODBC Driver 17 for
> SQL Server}" -append --config SPATIAL_INDEX NO --config
> MSSQLSPATIAL_USE_BCP TRUE --config MSSQLSPATIAL_BCP_SIZE 10000 --config
> MSSQLSPATIAL_USE_GEOMETRY_COLUMNS NO -nln INM.nv_lv_ohline -nlt GEOMETRY
> -t_srs EPSG:27700 -s_srs EPSG:4326 -skipfailures -splitlistfields
> $DATA/data.json
>
> I found that it is very slow and I have been checking the SQL Server
> profiler (as suggested already in this thread:
> https://lists.osgeo.org/pipermail/gdal-dev/2018-May/048520.html) and I can
> confirm that it is trying to insert every record one-by-one, hence the
> slowness.
>
> What I can't get to understand is how to point gdal to my sql server
> installation.
>
> SQL Server version: 2016
> GDAL: 3.0.4
>
> Thanks and regards,
>
> Hector Muro
>
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