Changes between Version 3 and Version 4 of rfc29_desired_fields


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Timestamp:
Jul 29, 2010, 1:31:43 AM (14 years ago)
Author:
wonder
Comment:

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  • rfc29_desired_fields

    v3 v4  
    99To improve performance when fetching features, this RFC proposes a way how to tell OGR which fields are not going to be required in subsequent GetFeature() / GetNextFeature() calls. Such fields will be ignored by the driver and their value will be kept null. The RFC counts also with the possibility to ignore feature geometry and style.
    1010
    11 Common use cases:
    12 1. the client renders the layer: all fields can be ignored, only the geometry is required
    13 1. the client shows attribute table: all fields are required, the geometry can be ignored
     11Common use cases:[[BR]]
     121. the client renders the layer: all fields can be ignored, only the geometry is required[[BR]]
     132. the client shows attribute table: all fields are required, the geometry can be ignored
    1414
    1515== Details ==