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Structure queries in SDMX allow you to retrieve structural metadata at various levels of granularity, from all structural metadata available in the source to a single code from a particular version of a particular codelist maintained by a particular agency.
Query URL syntax
Generic syntax is the following
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Usage of multiple values is not supported, please make one request per resource
Main usage of wildcard '*' is with the resourceID parameter to retrieve a "catalog" of content.
Main query is about getting the dataset catalog by requesting the list of all dataflows with the following query
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Usage of wildcard '*' is not allowed for the artefactType parameter and the version parameter Usage of wildcard '*' is not allowed for the version artefactType parameter
| Info |
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For non versioned artefacts (dataflow, dataconstraints) the version value "1.0", "*" or "~" are equivalents |
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Reference parameter support
For Code list
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| none | no references will be returned |  supported | default |
|---|---|---|---|
| parents | the artefacts that use the artefact matching the query | supported | CS +DS |
| parentsandsiblings | the artefacts that use the artefact matching the query, as well as the artefacts referenced by these artefacts | supported | CS +DS + CL CL := children(DS) union children(CD) |
| children | artefacts referenced by the artefact to be returned | not supported | |
| descendants | references of references, up to any level, will also be returned | not supported | |
| all | the combination of parentsandsiblings and descendants | not supported |
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| Reference | Description | Supported | Explanation |
|---|
For Concept scheme
| none | no references will be returned | supported | default |
|---|---|---|---|
| parents | the artefacts that use the artefact matching the query | supported | CS +DS |
| parentsandsiblings | the artefacts that use the artefact matching the query, as well as the artefacts referenced by these artefacts | supported | CS +DS + CL CL := children(DS) union children(CD) |
| children | artefacts referenced by the artefact to be returned | not supported | |
| descendants | references of references, up to any level, will also be returned | not supported | |
| all | the combination of parentsandsiblings and descendants | not supported | |
| Reference | Description | Supported | Explanation |
For datastructure
| Reference | Description | Supported | Explanation |
|---|---|---|---|
| none | no references will be returned | supported | default |
| parents | the artefacts that use the artefact matching the query | supported | DS +DF |
| parentsandsiblings | the artefacts that use the artefact matching the query, as well as the artefacts referenced by these artefacts | supported | DS +DF |
| children | artefacts referenced by the artefact to be returned | supported | DS + CS + CL |
| descendants | references of references, up to any level, will also be returned | supported | DS + CS + CL:X, CL:GEO, CL:Y CL := children(DS) union children(CS) |
| all | the combination of parentsandsiblings and descendants | supported | DS + DF+ CS + CL:X, CL:GEO, CL:Y |
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