Changes between Version 3 and Version 4 of rfc29_desired_fields
- Timestamp:
- Jul 29, 2010, 1:31:43 AM (14 years ago)
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rfc29_desired_fields
v3 v4 9 9 To 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. 10 10 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 ignored11 Common use cases:[[BR]] 12 1. the client renders the layer: all fields can be ignored, only the geometry is required[[BR]] 13 2. the client shows attribute table: all fields are required, the geometry can be ignored 14 14 15 15 == Details ==