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Add additional "attributes" to ST_GEOMETRY *object* column

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07-12-2022 02:23 PM
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Bud
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Oracle 18c SDE.ST_GEOMETRY EGDB:


Has anyone ever tried adding additional "attributes" to an ST_GEOMETRY object column?

Such as adding an SDO_GEOMETRY attribute to the object column:

ENTITY

NUMBER(38)

NUMPTS

NUMBER(38)

MINX

FLOAT(64)

MINY

FLOAT(64)

MAXX

FLOAT(64)

MAXY

FLOAT(64)

MINZ

FLOAT(64)

MAXZ

FLOAT(64)

MINM

FLOAT(64)

MAXM

FLOAT(64)

AREA

FLOAT(64)

LEN

FLOAT(64)

SRID

NUMBER(38)

POINTS

BLOB

SDO_GEOM

SDO_GEOMETRY

Source: ST_Geometry in Oracle


Or, alternatively, add an additional "subtype" to the object supertype.


Sure, it wouldn't be supported. But that's not what I'm asking about. I'm asking if anyone has tried it.

Reason: I want to use Oracle Spatial linear referencing functionality, but can't switch my FCs from ST_GEOMETRY over to SDO_GOMETRY. We can't add additional geometry columns to a FC (causes errors). And I want to avoid creating dozens of helper SDO_GEOMETRY FCs if I can help it.

Thanks.

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