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Changes to existing Ingres code.

• common/adf/adg/adgdttab.roc: Data type definitions for new types in Ingres. There are a lot of other files that need to be touched to fully support a new type, but this is the heart. Here is where DB_GEOM_TYPE was defined.

• common/adf/adg/fi_defn.txt: Function instance definitions. This is where the actual data operation function is defined. The input and output argument types, etc. Operators are fully detailed in this file now as well. The name of the operator and the type of the function as well as aliases are defined.

• common/adf/hdr/adffiids.h: The function instance identifiers are defined here. The number here and in fi_defn must match.

• common/adf/hdr/aduint.h: The function name is declared as the Ingres expected function type in here.

• common/hdr/hdr/adfops.h: This defines all operators. Any new operators are added here. This ties in with fi_defn.txt and the operator order. The order that the operators are specified in this file must match the order they are specified in fi_defn.txt

• common/hdr/hdr/iicommon.h: This defines the new data type number.

New code added to support spatial

• common/adf/hdr/aduspatial.h: spatial definitions.

• common/adf/adu/adupoint.c: various low level functions for point type, and more.

• wkt-wkb: WKT/WKB translation library (can be used standalone).

Change tracking information

• Timeline : Timeline of commits on the geospatial branch (You need to be logged in to Trac for this I think).