Catalogue (CSW) Query results default ordering inconsistency

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Change Request 50
#:
Assigned OGC 10-015
Document #:
Name: *Lorenzo Bigagli
Organization: *IMAA-CNR
Email: *lorenzo.bigagli@cnr.it
Document
Name/Version:

*Catalogue Service Implementation Specification / 2.0.2

OGC Project
Document:

*07-006r1

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Title:
Source:

*Query results default ordering inconsistency
*CAT 3.0 SWG

Work item code:
Category:

*

Reason for *
change:

The default ordering of query results in inconsistently defined in the document:
- Table 10 (UML attributes and roles in “query” operation request):
sortSpec default is sorted on ID in descending order
- §10.8.4.12 SortBy parameter:
no default defined

- Table 65 (KVP encoding for GetRecords operation request):
default action is to present the records in the order in which they are retrieved

Summary of *
change:

The UML model should not define a default ordering. Individual
Application Profiles may define a default, if considered useful.
In general, requirements on ordering may negatively impact the
implementation of distributed queries, so the issue should be
carefully considered

Consequences if Inconsistency in the specification
not approved:

1 of 2

Clauses affected: *
Table 10, 11, 65 and §10.8.4.12

Additional 06-131r6_EO_EP_0.2.5 (note 10 should be deleted); possibly other Application Profiles
Documents
affected:
Supporting
Documentation:
Comments:
Status:
Disposition:

2 of 2