Changes for page SDMX 3.0 Standards. Summary of Major Changes and New Functionality
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... ... @@ -1,1 +1,1 @@ 1 - SDMXSTANDARDS1 +1 Overview - Parent
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... ... @@ -65,7 +65,7 @@ 65 65 66 66 Version 3.0 introduces breaking changes into the web services API, transmission formats and information model. A summary is given in the table below. 67 67 68 -== 2.1 Web Services API == 68 +== //2.1 Web Services API// == 69 69 70 70 (% style="width:948.039px" %) 71 71 |**REST API**|(% style="width:818px" %)((( ... ... @@ -86,7 +86,7 @@ 86 86 ))) 87 87 |**SOAP API**|(% style="width:818px" %)The SOAP API has been deprecated. 88 88 89 -== 2.2 Transmission Formats == 89 +== //2.2 Transmission Formats// == 90 90 91 91 ((( 92 92 (% style="width:952.039px" %) ... ... @@ -122,7 +122,7 @@ 122 122 |(% style="width:130px" %)**SDMX-CSV**|(% style="width:820px" %)The CSV data and reference metadata messages are not backwardly compatible with those under version 2.1 due to changes to the structure of the messages needed to support new features such as the improved REST API data queries. 123 123 ))) 124 124 125 -== 2.3 Information Model == 125 +== //2.3 Information Model// == 126 126 127 127 ((( 128 128 (% style="width:955.039px" %) ... ... @@ -151,7 +151,10 @@ 151 151 152 152 //Conversion guidance for implementors// 153 153 154 -A version 2.1 Metadata Structure Definition can be converted to the version 3.0 model under some circumstances, but target information is either lost or has to be translated into a metadataflow. Further, conversion of a Data Structure Definition for collecting reference metadata against a dataset would need to make changes to the dataset’s Data Structure Definition. As the Data Structure Definition may not actually be specified, judgement would need to be taken, perhaps determining the most likely candidate by examining which already have metadata reported against their datasets. A 2.1 metadata report could be converted to a version 3.0 Metadataset if it is attached to a structure, but requires a Metadata Provision Agreement which would need to be created if not already in existence. 154 +A version 2.1 Metadata Structure Definition can be converted to the version 3.0 model under some circumstances, but target information is either lost or has to be translated into a metadataflow. Further, conversion of a Data Structure Definition for collecting reference metadata against a dataset would need to make changes to the dataset’s Data Structure Definition. As the Data Structure Definition may not actually be specified, judgement would need to be taken, perhaps determining the most likely candidate by examining which 155 +))) 156 +|(% style="width:132px" %) |(% style="width:819px" %)((( 157 +already have metadata reported against their datasets. A 2.1 metadata report could be converted to a version 3.0 Metadataset if it is attached to a structure, but requires a Metadata Provision Agreement which would need to be created if not already in existence. 155 155 156 156 Conversion from the version 3.0 model to version 2.1 cannot be performed reliably. The process would need target information to be derived from analysis of the Metadataflows and Metadata Provision Agreements. Depending on the complexity it may not be possible to express that information in a version 2.1 Data Structure Definition. 157 157 ))) ... ... @@ -177,7 +177,7 @@ 177 177 178 178 = 3 Information Model = 179 179 180 -== 3.1 Version 3.0 Information Model == 183 +== //3.1 Version 3.0 Information Model// == 181 181 182 182 [[image:SDMX 3-0-0 Major Changes FINAL-1.0_en_6fc573fe.png||height="404" width="718"]] 183 183 ... ... @@ -187,7 +187,7 @@ 187 187 188 188 A number of ancillary structures including organisation schemes, process and reporting taxonomy are unchanged and have not been shown. Similarly, Organisation Scheme Map and Reporting Taxonomy Map have been omitted for simplicity. A schematic of the 2.1 model is given in Appendix A for comparison purposes. 189 189 190 -== 3.2 Key Changes from Version 2.1 == 193 +== //3.2 Key Changes from Version 2.1// == 191 191 192 192 New Maintainable Artefacts 193 193 ... ... @@ -215,8 +215,7 @@ 215 215 Removed Maintainable Artefacts 216 216 217 217 * Structure Set – replaced by Structure Map and the four item scheme maps 218 -* Hierarchical Codelist – replaced by Hierarchy and Hierarchy Association 219 -* Constraint – replaced by Data Constraint and Metadata Constraint 221 +* Hierarchical Codelist – replaced by Hierarchy and Hierarchy Association • Constraint – replaced by Data Constraint and Metadata Constraint 220 220 221 221 Changed Maintainable Artefacts 222 222 ... ... @@ -230,7 +230,7 @@ 230 230 231 231 * GeospatialInformation – a string type where the value is an expression defining a set of geographical features using a purpose-designed syntax 232 232 233 -== 3.3 Areas Unchanged from Version 2.1 == 235 +== //3.3 Areas Unchanged from Version 2.1// == 234 234 235 235 The following areas of the information model are unchanged from version 2.1: 236 236 ... ... @@ -243,12 +243,12 @@ 243 243 * Reporting taxonomy 244 244 * Process 245 245 246 -== 3.4 Reference Metadata == 248 +== //3.4 Reference Metadata// == 247 247 248 248 Reference metadata has been substantially re-designed for version 3.0 to simplify the model and better support practical use cases. 249 249 250 - (% class="wikigeneratedid" id="HSimplifyMetadataStructureDefinition"%)251 - **Simplify Metadata Structure Definition**252 +=== Simplify Metadata Structure Definition === 253 + 252 252 The Metadata Structure Definition (MSD) has been simplified to remove target information, and the support of multiple report structures. The MSD now only contains Metadata Attributes which are used to define the structure of a report. 253 253 254 254 [[image:SDMX 3-0-0 Major Changes FINAL-1.0_en_ad5f5c97.png||height="346" width="494"]] ... ... @@ -259,8 +259,8 @@ 259 259 260 260 //Figure 3 the simplified version 3.0 MSD// 261 261 262 - (% class="wikigeneratedid" id="HChangetoreferencemetadatareportedagainstdata"%)263 - **Change to reference metadata reported against data**264 +=== Change to reference metadata reported against data === 265 + 264 264 Reference metadata associated with datasets, data series or observations are now reported with the data. The dataset’s DSD must reference an MSD to define the structure of its reference metadata. In practice reference metadata for data are transmitted as part of the data message. The metadata attributes are treated in a similar way to the data attributes appearing in the message at the dataset, data series or individual observation level as appropriate. In contrast to simple data attributes, metadata attributes defined by an MSD can be organised into a hierarchical structure as illustrated in Figure 3 above. For this reason, metadata attributes appear in data messages structured in the same way as metadata messages. 265 265 266 266 The SDMX-ML example below is an excerpt from a structure specific data message illustrating reporting of reference metadata with a hierarchical structure at the observation level. ... ... @@ -271,117 +271,179 @@ 271 271 * TITLE – a multi-lingual data attribute 272 272 * SOURCE_AGENCY – a multi-value data attribute 273 273 274 -> <Obs xsi:type="dsd:ObsType" OBS_VALUE="112" OBS_STAUS=”A” TIME_PERIOD="2010-09"> 275 -> <!—- complex multi-value and multi-lingual data attributes ~-~-> 276 -> <Comp id="TITLE" xsi:type="ns1:TITLE_ATTRIBUTE"> 277 -> <Value> 278 -> <common:Text xml:lang="en">Some English Text</common:Text> 279 -> <common:Text xml:lang="fr">Quelques textes en anglais</common:Text> 280 -> </Value> 281 -> </Comp> 282 -> <Comp id="SOURCE_AGENCY" xsi:type="ns1:SOURCE_AGENCY_ATTRIBUTE"> 283 -> <Value>4F0</Value> 284 -> <Value>4D0</Value> 285 -> <Value>CZ2</Value> 286 -> </Comp> 287 -> <!—- metadata attributes are reported like in metadata messages ~-~-> 288 -> <Metadata> 289 -> <Attribute id="COLLECTION"> 290 -> <Attribute id="METHOD"> 291 -> <Text lang="en">AAA</Text> 292 -> </Attribute> 293 -> </Attribute> 294 -> <Attribute id="CONTACT"> 295 -> <Value>CONTACT 1</Value> 296 -> <Attribute id="NAME"> 297 -> <Value>Contact 1 Name 1</Value> 298 -> </Attribute> 299 -> <Attribute id="NAME"> 300 -> <Value>Contact 1 Name 2</Value> 301 -> </Attribute> 302 -> </Attribute> 303 -> <Attribute id="CONTACT"> 304 -> <Value>CONTACT 2</Value> 305 -> <Attribute id="NAME"> 306 -> <Value>Contact 2 Name 1</Value> 307 -> </Attribute> 308 -> <Attribute id="NAME"> 309 -> <Value>Contact 2 Name 2</Value> 310 -> </Attribute> 311 -> </Attribute> 312 -> </Metadata> 313 -> </Obs> 276 +<Obs xsi:type="dsd:ObsType" OBS_VALUE="112" OBS_STAUS=”A” TIME_PERIOD="2010-09"> 314 314 315 -(% class="wikigeneratedid" id="HNew-MetadataProvisionAgreement" %) 316 -**New - Metadata Provision Agreement** 278 +<!—- complex multi-value and multi-lingual data attributes ~-~-> 279 + 280 +<Comp id="TITLE" xsi:type="ns1:TITLE_ATTRIBUTE"> 281 + 282 +<Value> 283 + 284 +<common:Text xml:lang="en">Some English Text</common:Text> 285 + 286 +<common:Text xml:lang="fr">Quelques textes en anglais</common:Text> 287 + 288 +</Value> 289 + 290 +</Comp> 291 + 292 +<Comp id="SOURCE_AGENCY" xsi:type="ns1:SOURCE_AGENCY_ATTRIBUTE"> 293 + 294 +<Value>4F0</Value> 295 + 296 +<Value>4D0</Value> 297 + 298 +<Value>CZ2</Value> 299 + 300 +</Comp> 301 + 302 +<!—- metadata attributes are reported like in metadata messages ~-~-> 303 + 304 +<Metadata> 305 + 306 +<Attribute id="COLLECTION"> 307 + 308 +<Attribute id="METHOD"> 309 + 310 +<Text lang="en">AAA</Text> 311 + 312 +</Attribute> 313 + 314 +</Attribute> 315 + 316 +<Attribute id="CONTACT"> 317 + 318 +<Value>CONTACT 1</Value> 319 + 320 +<Attribute id="NAME"> 321 + 322 +<Value>Contact 1 Name 1</Value> 323 + 324 +</Attribute> 325 + 326 +<Attribute id="NAME"> 327 + 328 +<Value>Contact 1 Name 2</Value> 329 + 330 +</Attribute> 331 + 332 +</Attribute> 333 + 334 +<Attribute id="CONTACT"> 335 + 336 +<Value>CONTACT 2</Value> 337 + 338 +<Attribute id="NAME"> 339 + 340 +<Value>Contact 2 Name 1</Value> 341 + 342 +</Attribute> 343 + 344 +<Attribute id="NAME"> 345 + 346 +<Value>Contact 2 Name 2</Value> 347 + 348 +</Attribute> 349 + 350 +</Attribute> 351 + 352 +</Metadata> 353 + 354 +</Obs> 355 + 356 +=== New - Metadata Provision Agreement === 357 + 317 317 In version 2.1 a Provision Agreement could be used to report information against a Dataflow or Metadataflow. From version 3.0 this is managed by two separate structures, the Data Provision Agreement and the Metadata Provision Agreement. 318 318 319 - (% class="wikigeneratedid" id="HMovetargettoMetadataflowandMetadataProvisionAgreement"%)320 - **Move target to Metadataflow and Metadata Provision Agreement**360 +=== Move target to Metadataflow and Metadata Provision Agreement === 361 + 321 321 For reference metadata that is reported against structures, the allowable targets information which is used to specify what structures the reference metadata can be reported against, has moved to the Metadataflow and can be further refined in the Metadata Provision Agreement. 322 322 323 - (% class="wikigeneratedid" id="HAddmaintainablepropertiestoreferencemetadata"%)324 - **Add maintainable properties to reference metadata**364 +=== Add maintainable properties to reference metadata === 365 + 325 325 A Metadataset now has mandatory identification information, (owner id, id, version) enabling metadata providers to uniquely identify their reports for create, update or delete maintenance operations. 326 326 327 -== 3.5 Microdata Exchange == 368 +== //3.5 Microdata Exchange// == 328 328 329 329 Several changes have been made the Data Structure Definition to support microdata use cases in addition to aggregated time series. 330 330 331 -(% class="wikigeneratedid" id="HMultiplemeasures" %) 332 -**Multiple measures** 333 -Multiple measures are a common characteristic of microdatasets. To support this use case, the MeasureDimension has been deprecated and replaced with the option to define zero or more measures. Measures now act like any other component in that they use concepts, can have their own local coded or uncoded representation defined within the Data Structure Definition, and can be either mandatory or conditional. Creating a measure with the “MEASURE” concept role applied emulates the version 2.1 MeasureDimension behaviour as illustrated in the SDMX-ML example below: 372 +=== Multiple measures === 334 334 335 -> <str:MeasureList id=”MeasureDescriptor”> 336 -> <str:Measure id=”OBS_VALUE” minOccurs=”1” maxOccurs=”1” usage=”mandatory” > <str:ConceptIdentity> 337 -> <Ref id=”OBS_VALUE” maintainableParentID=”CONCEPTS” agencyID=”SDMX” maintainableParentVersion=”1.0.0” /> 338 -> </str:ConceptIdentity> 339 -> <str:LocalRepresentation> 340 -> <str:TextFormat textType=”String” isMultiLingual=”true” /> 341 -> </str:LocalRepresentation> 342 -> <str:ConceptRole> 343 -> <Ref id=”MEASURE” maintainableParentID=”SDMX_CONCEPT_ROLES” agencyID=”SDMX” maintainableParentVersion=”1.0.0” /> 344 -> </str:ConceptRole> 345 -> </str:Measure> 346 -> ... 347 -> <str:Measure> 348 -> </str:MeasureList> 374 +Multiple measures are a common characteristic of microdatasets. To support this use case, the MeasureDimension has been deprecated and replaced with the option to define zero or more measures. Measures now act like any other component in that they use concepts, can have their own local coded or uncoded representation defined within the 349 349 350 -(% class="wikigeneratedid" id="HMulti-valuemeasuresandattributes" %) 351 -**Multi-value measures and attributes** 352 -Both measures and attributes have been extended with the option to take ‘arrays’ of 193 multiple coded or uncoded values. This supports use cases like multiple observation 194 status flags. New //minOccurs// and //maxOccurs// properties define the valid number of 195 values. The //usage// property separately defines whether the measure or attribute is //mandatory// or optional. In the SDMX-ML measure example above, the properties //minOccurs=”1” maxOccurs=”1” usage=”mandatory”// specify that OBS_VALUE must be 198 reported, and can only consist of a single value. 376 +Data Structure Definition, and can be either mandatory or conditional. Creating a measure with the “MEASURE” concept role applied emulates the version 2.1 353 353 354 -(% class="wikigeneratedid" id="HAttributesrelationshiptomeasures" %) 355 -**Attributes relationship to measures** 378 +MeasureDimension behaviour as illustrated in the SDMX-ML example below: 379 + 380 +<str:MeasureList id=”MeasureDescriptor”> 381 + 382 +<str:Measure id=”OBS_VALUE” minOccurs=”1” maxOccurs=”1” usage=”mandatory” > <str:ConceptIdentity> 383 + 384 +<Ref id=”OBS_VALUE” maintainableParentID=”CONCEPTS” agencyID=”SDMX” maintainableParentVersion=”1.0.0” /> 385 + 386 +</str:ConceptIdentity> 387 + 388 +<str:LocalRepresentation> 389 + 390 +<str:TextFormat textType=”String” isMultiLingual=”true” /> 391 + 392 +</str:LocalRepresentation> 393 + 394 +<str:ConceptRole> 395 + 396 +<Ref id=”MEASURE” maintainableParentID=”SDMX_CONCEPT_ROLES” agencyID=”SDMX” maintainableParentVersion=”1.0.0” /> 397 + 398 +</str:ConceptRole> 399 + 400 +</str:Measure> 401 + 402 +... 403 + 404 +<str:Measure> 405 + 406 +</str:MeasureList> 407 + 408 +=== Multi-value measures and attributes === 409 + 410 +Both measures and attributes have been extended with the option to take ‘arrays’ of 193 multiple coded or uncoded values. This supports use cases like multiple observation 194 status flags. New //minOccurs// and //maxOccurs// properties define the valid number of 195 values. The //usage// property separately defines whether the measure or attribute is 411 + 412 +//mandatory// or optional. In the SDMX-ML measure example above, the properties 413 + 414 +//minOccurs=”1” maxOccurs=”1” usage=”mandatory”// specify that OBS_VALUE must be 198 reported, and can only consist of a single value. 415 + 416 +=== Attributes relationship to measures === 417 + 356 356 In addition to attaching attributes to a specific level within the dataset, their relationship 202 to measures can also be defined. 357 357 358 -(% class="wikigeneratedid" id="HValuelists" %) 359 -**Value lists** 360 -Value lists help in modelling microdata by providing an enumeration similar to code lists 206 but allowing any string values without being restricted to the rules of SDMX identifiers. That allows ValueItems (the equivalent to Code) to contain symbols like ‘¥’ and ‘€’, but also means they are not identifiable. 420 +=== Value lists === 361 361 362 - ==3.6GeospatialDataExchange==422 +Value lists help in modelling microdata by providing an enumeration similar to code lists 206 but allowing any string values without being restricted to the rules of SDMX identifiers. 363 363 424 +That allows ValueItems (the equivalent to Code) to contain symbols like ‘¥’ and ‘€’, but 208 also means they are not identifiable. 425 + 426 +== //3.6 Geospatial Data Exchange// == 427 + 364 364 The version 3.0 model has been extended to provide explicit support for geospatial data. 365 365 366 - (% class="wikigeneratedid" id="HGeospatialInformationtype"%)367 - **GeospatialInformation type**430 +=== GeospatialInformation type === 431 + 368 368 A new GeospatialInformation string type has been added which can be used as the 214 representation for any dimension, attribute or measure component. The value which is a 215 string expression conforming to the syntax defined in Section 6 of the technical 216 specifications precisely defines a ‘Geo Feature Set’ – a collection of geographical 217 features like points, lines or polygons. Its use is recommended in conjunction with the “GEO_FEATURE_SET” concept role. 369 369 370 - (% class="wikigeneratedid" id="HGeospatialcodelists"%)371 - **Geospatial code lists**434 +=== Geospatial code lists === 435 + 372 372 Two new specialised types of code list have been added where the definition of each code includes additional geospatial information in addition to the standard ID, name and description: 373 373 374 374 * GeographicCodelist – each item includes an element to represent a specific Geo Feature Set which is described using the same expression syntax as for GeospatialInformation type. 375 375 * GeoGridCodelist – A code list defining a geographical grid composed of cells representing regular squared portions of the Earth. Each item references a cell within the grid. 376 376 377 -== 3.7 Structure Mapping == 441 +=== //3.7 Structure Mapping// === 378 378 379 379 The Structure Set in version 2.1 is a container for many mapping structures including Data Structure Map, Codelist Map and Concept Map. For version 3.0 the Structure Set artefact has been deprecated and replaced with a number of new maintainables giving better flexibility and reusability, specifically: Structure Map, Concept Scheme Map, Representation Map, Reporting Taxonomy Map, Category Scheme Map and Organisation Scheme Map. 380 380 381 381 The version 2.1 Codelist Map been replaced with Representation Map which allows mappings to be defined between any combination of Code Lists, Value Lists and noncoded representations such as text strings and numbers. 382 382 383 - (% class="wikigeneratedid" id="HMany-to-manysourceandtargetcomponents"%)384 - **Many-to-many source and target components**447 +==== Many-to-many source and target components ==== 448 + 385 385 Structure mapping rules may be defined with both multiple source components and multiple target components in contrast to version 2.1 where only one source and target was allowed. That supports many-to-many (n-n) mapping use cases where the output of a mapping rule may be dependent on the combination of a number of input components. For instance: 386 386 387 387 Set the output component INDICATOR=”DE_A” if the input components are FREQ=”A” and REF_AREA=”DE”. ... ... @@ -391,21 +391,22 @@ 391 391 Set the output components FREQ=”A”, REF_AREA=”DE” if the input component INDICATOR=”DE_A”. 392 392 393 393 **Fixed source and target** 458 + 394 394 The Structure Map may now define input or output components which have a fixed value. 395 395 396 - (% class="wikigeneratedid" id="HTimerepresentationsmapping"%)397 - **Time representations mapping**461 +==== Time representations mapping ==== 462 + 398 398 Non SDMX time representations may now be described in a Structure Map, allowing them to be mapped into SDMX time formats. 399 399 400 - (% class="wikigeneratedid" id="HRegularexpressionandsubstringmappings"%)401 - **Regular expression and substring mappings**465 +==== Regular expression and substring mappings ==== 466 + 402 402 All item maps allow the use of regular expressions and substrings to match source values, specifically: Concept Scheme Map, Reporting Taxonomy Map, Category Scheme Map and Organisation Scheme Map. 403 403 404 - (% class="wikigeneratedid" id="HItemmapsvalidityperiod"%)405 - **Item maps validity period**469 +==== Item maps validity period ==== 470 + 406 406 Item maps may further define the period for which the mapping is valid, meaning the mapping rule will only be applied if the row of information being mapped is within the period. 407 407 408 -== 3.8 Constraints == 473 +=== //3.8 Constraints// === 409 409 410 410 Constraints in version 3.0 are modelled using two separate artefacts which replace the version 2.1 content constraint: 411 411 ... ... @@ -420,17 +420,17 @@ 420 420 421 421 Attachment constraints have been deprecated due to a lack of use cases. 422 422 423 -== 3.9 Code List Extension == 488 +=== //3.9 Code List Extension// === 424 424 425 425 In addition to the two new specialised geospatial forms, the option has been added to define a code list as an extension of, or by inheriting codes from, other lists. An optional prefix can be added to inherited codes to disambiguate duplicates. 426 426 427 427 This feature allows new code lists to be easily derived from existing lists without the need to make and manually maintain copies. When querying for extended code list structures using the REST API, the option has been added to retrieve either the definition or the materialised list. Traditional literal lists of codes continue to be supported. 428 428 429 -== 3.10 Discriminated Union of Code Lists == 494 +=== //3.10 Discriminated Union of Code Lists// === 430 430 431 431 Combining code list extension with wildcarded constraints solves the discriminated union of code lists problem where a classification or breakdown has multiple “variants” which are all valid but mutually exclusive. A common example is economic activity where several alternative classification schemes are in use including ISIC revisions 1 to 4 and NACE as used in the European Community. 432 432 433 -== 3.11 Code Hierarchies == 498 +=== //3.11 Code Hierarchies// === 434 434 435 435 Code hierarchies allow the definition of complex hierarchies of codes from potentially multiple lists for data discovery purposes. Hierarchical Codelist has been deprecated and replaced by two new artefacts: Hierarchy – the actual hierarchy of codes, and Hierarchy Association links hierarchies directly to any other identifiable object, a capability missing 312 from the version 2.1 model. Further, the linkage can be within a particular context, for instance linking a hierarchy to a dimension within the context of a specific Dataflow (dimension REF_AREA in the context of the ECB:EXR Dataflow). 436 436 ... ... @@ -451,6 +451,7 @@ 451 451 Examples: 452 452 453 453 SDMX:CL_AREA(1.0.0) 519 + 454 454 SDMX:CL_AREA(2.3.2) 455 455 456 456 == Dependency management == ... ... @@ -457,9 +457,10 @@ 457 457 458 458 Additional constructs are possible for dependency management when referencing structures. For instance: 459 459 460 -2.3+.1 Means the currently latest available version >= “2.3.1” and < “3.0.0” (all backwards compatible versions >= “2.3.1”). 461 -2+.3.1 Means the currently latest available version >= “2.3.1” (even if not backwards compatible). 526 +2.3+.1 Means the currently latest available version >= “2.3.1” and < “3.0.0” (all backwards compatible versions >= “2.3.1”). 462 462 528 +2+.3.1 Means the currently latest available version >= “2.3.1” (even if not backwards compatible). 529 + 463 463 == Draft structures == 464 464 465 465 A key principle is that semantically versioned structures are immutable and must not be changed without a corresponding change to the version number, except where explicitly marked as draft using extensions to the version number. ... ... @@ -466,15 +466,17 @@ 466 466 467 467 MAJOR.MINOR.PATCH-EXTENSION 468 468 469 -1.10.0-draft Means that version 1.10.0 is still being modified and may change – equivalent to setting isFinal=false in SDMX 2.1. 470 -1.10.0-unstable Alternative to -draft. 471 -1.10.0-notfinal Alternative to -draft. 536 +1.10.0-draft Means that version 1.10.0 is still being modified and may change – equivalent to setting isFinal=false in SDMX 2.1. 472 472 538 +1.10.0-unstable Alternative to -draft. 539 + 540 +1.10.0-notfinal Alternative to -draft. 541 + 473 473 The SDMX 2.1 isFinal property is deprecated in 3.0. 474 474 475 475 = 5 REST Web Services API = 476 476 477 -== 5.1 Simplified list of resources == 546 +== //5.1 Simplified list of resources// == 478 478 479 479 The version 3.0 REST API has just five main resources: 480 480 ... ... @@ -488,12 +488,12 @@ 488 488 489 489 This and changes in the URLs and query parameters on the data, availability and metadata resources means that, with the exception of schema queries, the version 3.0 API is not backwardly compatible. 490 490 491 -== 5.2 Improved data queries == 560 +== //5.2 Improved data queries// == 492 492 493 493 Data queries have been changed to provide more granular selections from contexts wider than just a Dataflow. 494 494 495 - (% class="wikigeneratedid" id="HExtendthecontextofdataretrieval"%)496 - **Extend the context of data retrieval**564 +=== Extend the context of data retrieval === 565 + 497 497 Version 2.1 data queries always retrieved data from a single specific Dataflow. In version 3.0, the query context may be specified as: 498 498 499 499 * Dataflow; ... ... @@ -502,20 +502,18 @@ 502 502 503 503 Data queries may also search across datasets, for instance “retrieve all data about a country”. 504 504 505 - (% class="wikigeneratedid" id="HComponent-basedfilters"%)506 - **Component-based filters**574 +=== Component-based filters === 575 + 507 507 Expressions filtering on individual components can now be included as part of the data query URL. 508 508 509 509 /data/dataflow/ESTAT/ICP?c[REF_AREA]=CH&c[CONF_STATUS]=F 510 510 511 - (% class="wikigeneratedid" id="HSupportforoperators"%)512 - **Support for operators**580 +=== Support for operators === 581 + 513 513 Filter expressions can also include operators. 514 514 515 -/data/dataflow/ESTAT/ICP?c[REF_AREA]=DE&c[ICP_ITEM]=sw:01&c[TIME_PERIOD]=ge:2015 584 +/data/dataflow/ESTAT/ICP?c[REF_AREA]=DE&c[ICP_ITEM]=sw:01&c[TIME_PERIOD]=ge:2015 Operators include: 516 516 517 -Operators include: 518 - 519 519 (% style="width:531.039px" %) 520 520 |(% style="width:151px" %)eq|(% style="width:378px" %)Equals 521 521 |(% style="width:151px" %)ne|(% style="width:378px" %)Not equal to ... ... @@ -529,7 +529,7 @@ 529 529 530 530 /data/dataflow/ESTAT/ICP/1.0.0/M…A.ANR,M…A.INX,M…B.CTG 531 531 532 -== 5.3 Improved reference metadata queries == 599 +== //5.3 Improved reference metadata queries// == 533 533 534 534 Reference metadata queries have been improved with a number of new options to retrieve metadata reports. 535 535 ... ... @@ -545,7 +545,7 @@ 545 545 546 546 /metadata/structure/datastructure/BIS/BIS_CBS/1.0 547 547 548 -== 5.4 Structural metadata maintenance == 615 +== //5.4 Structural metadata maintenance// == 549 549 550 550 Support has been added for maintenance of structural metadata. 551 551 ... ... @@ -553,7 +553,7 @@ 553 553 554 554 = 6 XML, JSON, CSV and EDI Transmission formats = 555 555 556 -== 6.1 SDMX-ML == 623 +== //6.1 SDMX-ML// == 557 557 558 558 The SDMX-ML XML messages have been modified and updated for version 3.0. While they broadly follow the same principles, there have been significant changes which break backward compatibility. 559 559 ... ... @@ -639,7 +639,7 @@ 639 639 640 640 The option to reference structures using Agency, ID and Version has been removed. From SDMX version 3.0 URN is used for all referencing purposes with the exception of local references such as where groups reference dimensions within a DSD. 641 641 642 -== 6.2 SDMX-JSON == 709 +== //6.2 SDMX-JSON// == 643 643 644 644 Like SDMX-ML, the SDMX-JSON messages have been significantly modified and updated for version 3.0. They are not backwardly compatible with version 2.1. 645 645 ... ... @@ -659,7 +659,7 @@ 659 659 660 660 As for SDMX-ML, the option to reference structures using Agency, ID and Version has been removed with URN used for all non-local referencing purposes. 661 661 662 -== 6.3 SDMX-CSV == 729 +== //6.3 SDMX-CSV// == 663 663 664 664 CSV in SDMX is used transmission of data and reference metadata only. 665 665 ... ... @@ -677,7 +677,7 @@ 677 677 678 678 The SDMX-CSV metadata message is new for version 3.0 and, like the SDMX-ML and SDMX-JSON equivalents, is used for the transmission reference metadata sets. 679 679 680 -=== 6.4 EDI deprecation === 747 +=== //6.4 EDI deprecation// === 681 681 682 682 The EDI format for transmission of both structures and data has been deprecated. Version 3.0 is therefore not backwardly compatible with legacy EDI messages. 683 683
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