[gdal-dev] ogr2ogr -preserve_fid does not work when dst_datasource is SQLite/SpatiaLite

[Paul Li]

Using this option to convert shapefiles to shapefiles (with less columns)
works perfectly fine. However, when dst_datasource is SQLite/SpatiaLite,
this option is not working as expected, and ogc_fid is populated regardless.

When importing the same shapefiles directly into SpatiaLite
using ImportSHP(..., pk_column, ...), the pk_column from source is kept, no
additional fid column is created.

How do you explain the difference here?

Many thanks.
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