Changes between Version 6 and Version 7 of rfc31_ogr_64

Timestamp:

Jan 23, 2015, 6:55:46 AM (9 years ago)

Author:

Even Rouault

Comment:

Add Related tickets and Related topics out of scope of this RFC

rfc31_ogr_64

@@ -157 +157 @@
  * updated drivers: Shapefile, PG, GeoJSON, CSV, GPKG, SQLite, MySQL, VRT, GML, XLSX, ODS
  * OGR SQL
+ * option -mapFieldType of ogr2ogr
 
 == Compatibility Issues ==
@@ -182 +183 @@
  * Wide integer fields that were previously treated as "real" or Integer by the shapefile driver will now be treated as Integer64 which will likely not work with some applications, and translation to other formats may fail. 
 
-=== Implementation ===
+== Related tickets ==
+
+  * [http://trac.osgeo.org/gdal/ticket/3747 #3747 OGR FID needs to be 64 bit]
+  * [http://trac.osgeo.org/gdal/ticket/3615 #3615 Shapefile : A 10-digit value doesn't necessarily fit into a 32 bit integer.]
+  * [http://trac.osgeo.org/gdal/ticket/3150 #3150 Precision Problem for Numeric on OGR/OCI driver]
+
+== Related topics out of scope of this RFC ==
+
+The possibility of having a Numeric type that corresponds to the matching SQL type, i.e. a decimal number with an arbitrary number of significant figures has been considered. In OGR, this could be implemented as a full type like Integer, Integer64 etc., or possibly as a subtype of String (see [wiki:rfc50_ogr_field_subtype RFC 50: OGR field subtypes]). The latter approach would be easier to implement and mostly usefull for lossless conversion between database drivers (and shapefile). The former approach would require more work, and would ideally involve OGR SQL support, which would require supporting arithmetic of arbitrary length.
+The use cases for such a numeric type have been considered marginal enough to let that aside for now.
+
+== Implementation ==
 
 Implementation will be done by Even Rouault ([http://spatialys.com Spatialys]), and sponsored by [http://www.linz.govt.nz/ LINZ (Land Information New Zealand)].
@@ -190 +202 @@
 The list of changes :  https://github.com/rouault/gdal2/compare/rfc31_64bit
 
-=== Voting history ===
+== Voting history ==
 
 TBD