Changes between Version 9 and Version 10 of rfc67_nullfieldvalues


Ignore:
Timestamp:
Jul 7, 2017, 10:06:39 AM (7 years ago)
Author:
Even Rouault
Comment:

Enhance compatibility issues

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  • rfc67_nullfieldvalues

    v9 v10  
    128128Failure to do so, the existing code will see 0 for numeric field types, empty string for string fields, FALSE for date time fields and NULL for list-based types.
    129129
     130On the write side, for the GeoJSON driver, in GDAL 2.1 or before, a unset field was written as field_name: null. Starting with GDAL 2.2, only fields explicitly set as null with OGR_F_SetFieldNull() will be written with a null value. Unset fields of a feature will not be present in the corresponding JSon feature element.
     131
    130132MIGRATION_GUIDE.TXT is updated to discuss those compatibility issues.
    131133