Changes for page 10 Constraints
Last modified by Artur on 2025/09/10 11:19
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... ... @@ -1,0 +1,1 @@ 1 +Age|Artefact|Attribute|Code|Code list|Comment|Component|Data set|Data structure definition|Dataflow|Dimension|Maintainable artefact|Measure|Member selection|Metadata set|Metadata structure definition|Metadataflow|Observation value|Provision agreement|Reference metadata|Series key|Sex|Statistical data and metadata exchange|Time period - Content
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... ... @@ -2,321 +2,318 @@ 2 2 {{toc/}} 3 3 {{/box}} 4 4 5 -1. 6 -11. Introduction 5 +== 10.1 Introduction == 7 7 8 -Constraints are used as a way to restrict what data can be reported, or to report what data exists in a given context. There are three types of Constraint, which serve different purposes 7 +(% style="color:#e74c3c" %)Constraints(%%) are used as a way to restrict what data can be reported, or to report what data exists in a given context. There are three types of (% style="color:#e74c3c" %)Constraint(%%), which serve different purposes 9 9 10 -* Availability Constraint 11 -* Dimension Constraint 12 -* Reporting Constraints 9 +* Availability (% style="color:#e74c3c" %)Constraint 10 +* [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint 11 +* Reporting (% style="color:#e74c3c" %)Constraints 13 13 14 -An Availability Constraint defines the data that exists in the context of a data query. 13 +An Availability (% style="color:#e74c3c" %)Constraint(%%) defines the data that exists in the context of a data query. 15 15 16 -They form part of the response message from the Availability REST API. Availability Constraints are dynamically generated by a system based on the data that exists and the query context. Availability Constraints are therefore not Identifiable structures (they have no URN). 15 +They form part of the response message from the Availability REST API. Availability (% style="color:#e74c3c" %)Constraints(%%) are dynamically generated by a system based on the data that exists and the query context. Availability (% style="color:#e74c3c" %)Constraints(%%) are therefore not Identifiable structures (they have no URN). 17 17 18 -A Dimension Constraint is a property of a Dataflow, they are used to fix the Dimensions that they use in the Data Structure Definition which they use. Dimension Constraints enable Data Structure Definitions to evolve over time by having new Dimensions added, without having to undergo a major version change. 17 +A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], they are used to fix the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that they use in the [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] which they use. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraints(%%) enable [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time by having new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added, without having to undergo a major (% style="color:#e74c3c" %)version(%%) change. 19 19 20 -A Reporting Constraint is used to define the set of allowed and/or disallowed values that can be reported in a data or metadata set. 19 +A Reporting (% style="color:#e74c3c" %)Constraint(%%) is used to define the set of allowed and/or disallowed values that can be reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]]. 21 21 22 -1. 23 -11. Availability Constraint 21 +== 10.2 Availability Constraint == 24 24 25 -An Availability Constraint is not a maintained structure, instead it is generated dynamically as a response to the availability REST API. The purpose of the Availability Constraint is to define the distinct set of values that have data over 1 or more Dimensions. Unlike a Data and Metadata Constraint, which can attach to multiple Constrainable structures (of the same type), an Availability Constraint can only attach to only one structure. The attachment defines the context of the response (data exists for components in the context of). The subset of Constrainable structures the Availability Constraint can attach to are: 23 +An Availability (% style="color:#e74c3c" %)Constraint(%%) is not a maintained structure, instead it is generated dynamically as a response to the availability REST API. The purpose of the Availability (% style="color:#e74c3c" %)Constraint(%%) is to define the distinct set of values that have data over 1 or more [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]. Unlike a Data and Metadata (% style="color:#e74c3c" %)Constraint(%%), which can attach to multiple Constrainable structures (of the same type), an Availability (% style="color:#e74c3c" %)Constraint(%%) can only attach to only one structure. The attachment defines the context of the response (data exists for [[components>>doc:sdmx:Glossary.Component.WebHome]] in the context of). The subset of Constrainable structures the Availability (% style="color:#e74c3c" %)Constraint(%%) can attach to are: 26 26 27 -* Data Structure Definition 28 -* Dataflow 29 -* Provision Agreement 30 -*1. Dimension Constraint 25 +* [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] 26 +* [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] 27 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] 31 31 32 - ADimension Constraintis a property of a Dataflow; its purpose is to explicitly list the Dimensions from the corresponding DSD that are being used by the Dataflow.29 +== 10.3 Dimension Constraint == 33 33 34 -Dimension Constraints were introduced in SDMX 3.1 and are not required formost Dataflowswhere the dataset mustalways contain the full complement ofDimensions as definedby the corresponding DSD.However,forsome complex datacollections, which may spanlong periods andwhere the full complement ofrequiredDimensionsare notnecessarily known atdesign time, the DSD issubject to increasing its Dimensionalityover time.In this scenario itis possibleto definetheDSD as anevolving structure, this propertytellstheuserthat the DSD can have new Dimensionsadded without having to undergo amajor version change; a DSD at version 1.0.0 for example would be able to add a newDimensionand move to version 1.1.0; a changethat would not ordinarilybe allowed.A minorversionchange ontheaddition of a new Dimensionis onlypossible if theDSDdefinesitself as an evolvingstructure. Thisisanew propertyof the DSD introduced in version 3.1 to satisfy this use case.The evolvingstructureproperty is either true or false,defaulting to falseif notspecified. Setting the evolving structureproperty to true requires amajor versionchange, andtherefore can only be introducedonan x.0.0release(e.g. 1.0.0). The evolvingstructure property can beset to false to indicatethattherewill be noadditionalDimensions added tothe Data Structure under thesame major version number;setting the evolving structure propertyto false does not require require amajor version change on the Data Structure.31 +A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]; its purpose is to explicitly list the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that are being used by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 35 35 36 -When a Dataflow re ferences a DSD,latebinding on the minorrelease,and the DSD has the evolving structure property set to true,then the Dataflow must contain a DimensionConstraint to protectitsDimensionality from changing over time without a version change.33 +[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraints(%%) were introduced in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 and are not required for most [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] where the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] must always contain the full complement of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as defined by the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. However, for some complex data collections, which may span long periods and where the full complement of required [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] are not necessarily known at design time, the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is subject to increasing its Dimensionality over time. In this scenario it is possible to define the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] as an evolving structure, this property tells the user that the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] can have new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added without having to undergo a major (% style="color:#e74c3c" %)version(%%) change; a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] at (% style="color:#e74c3c" %)version(%%) 1.0.0 for example would be able to add a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and move to (% style="color:#e74c3c" %)version(%%) 1.1.0; a change that would not ordinarily be allowed. A minor (% style="color:#e74c3c" %)version(%%) change on the addition of a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] is only possible if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] defines itself as an evolving structure. This is a new property of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] introduced in (% style="color:#e74c3c" %)version(%%) 3.1 to satisfy this use case. The evolving structure property is either true or false, defaulting to false if not specified. Setting the evolving structure property to true requires a major (% style="color:#e74c3c" %)version(%%) change, and therefore can only be introduced on an x.0.0 release (e.g. 1.0.0). The evolving structure property can be set to false to indicate that there will be no additional [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added to the Data Structure under the same major (% style="color:#e74c3c" %)version(%%) number; setting the evolving structure property to false does not require require a major (% style="color:#e74c3c" %)version(%%) change on the Data Structure. 37 37 38 - The DimensionConstraintprovides theexplicitlistofDimensions that the Dataflowusesfrom theDSDthatitreferences.ThisenablestheDSDto evolveover time withoutbreakingthecompatibilityofdatasetsagainstthe Dataflow.35 +When a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] references a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], late binding on the minor release, and the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] has the evolving structure property set to true, then the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) to protect its Dimensionality from changing over time without a (% style="color:#e74c3c" %)version(%%) change. 39 39 40 - ====Rules for a DimensionConstraint====37 +The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) provides the explicit list of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] uses from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that it references. This enables the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time without breaking the compatibility of [[datasets>>doc:sdmx:Glossary.Data set.WebHome]] against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 41 41 42 -* A Dataflow must contain a Dimension Constraint if the DSD which it uses states that it is an evolving structure and the Dataflow is late binding on the minor release (latest minor release of a given major version, e.g. 1.0+.0) 43 -* The Dimension Constraint can only include Dimensions from the DSD that is referenced by the Dataflow. 44 -* A Dimension Constraint can only be changed if the Dataflow undergoes a major version change 45 -* Datasets reported against the Dataflow must only contain reported values for the Dimensions specified in the Dimension Constraint. 46 -* When exporting data for the Dataflow, the dataset should only include the Dimensions specified by the Dimension Constraint. 47 -* When exporting data for the DSD the dataset must contain the full set of Dimensions as specified by the DSD. The tilde ‘~~’ character is used to represent a value which is not present due to the Dimension not being included in the corresponding Dataflow. 39 +__**Rules for a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%)**__ 48 48 49 -==== Example Datasets with Evolving Structures ==== 41 +* A [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which it uses states that it is an evolving structure and the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] is late binding on the minor release (latest minor release of a given major (% style="color:#e74c3c" %)version(%%), e.g. 1.0+.0) 42 +* The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) can only include [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that is referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 43 +* A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) can only be changed if the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] undergoes a major (% style="color:#e74c3c" %)version(%%) change 44 +* [[Datasets>>doc:sdmx:Glossary.Data set.WebHome]] reported against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must only contain reported values for the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified in the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%). 45 +* When exporting data for the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] should only include the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified by the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%). 46 +* When exporting data for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] must contain the full set of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The tilde ‘’ character is used to represent a value which is not present due to the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] not being included in the corresponding [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 50 50 51 - A dataset is built against a Data Structure Definition. The datasetcontainsdata for two Dataflows.Dataflows‘DF_POP’ uses a DimensionConstraintwhichfixes its Dimensionsto FREQ and REF_AREA. Dataflow ‘DF_POP_SA’ does notreference a48 +__**Example [[Datasets>>doc:sdmx:Glossary.Data set.WebHome]] with Evolving Structures**__ 52 52 53 -Dimension Constraint, and as such includes all Dimensions as specified by the DSD. 50 +A [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] is built against a [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] contains data for two [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]]. [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP’ uses a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) which fixes its [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] to FREQ and REF_AREA. [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP_SA’ does not reference a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%), and as such includes all [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. 54 54 55 -The resulting dataset contains values ‘ ~~’ for both the SEX and AGE Dimension for the series related to DF_POP.52 +The resulting [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] contains values ‘’ for both the [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] and [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] for the series related to DF_POP. 56 56 54 +(% style="width:758.294px" %) 55 +|(% style="width:119px" %)**[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]**|(% colspan="7" style="width:635px" %)**FREQ REF_AREA [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] [[AGE>>doc:sdmx:Glossary.Age.WebHome]] OBS_VALUE TIME_PERIOD UNIT** 56 +|(% style="width:119px" %)**DF_POP**|(% style="width:55px" %)A|(% style="width:103px" %)UK|(% style="width:79px" %) |(% style="width:92px" %) |(% style="width:93px" %)65|(% style="width:111px" %)2022|(% style="width:101px" %)6 57 +|(% style="width:119px" %)**DF_POP**|(% style="width:55px" %)A|(% style="width:103px" %)FR|(% style="width:79px" %) |(% style="width:92px" %) |(% style="width:93px" %)50|(% style="width:111px" %)2022|(% style="width:101px" %)6 58 +|(% style="width:119px" %)**DF_POP_SA**|(% style="width:55px" %)A|(% style="width:103px" %)UK|(% style="width:79px" %)M|(% style="width:92px" %)1|(% style="width:93px" %)1.2|(% style="width:111px" %)2022|(% style="width:101px" %)6 57 57 58 -|**Dataflow**|(% colspan="7" %)**FREQ REF_AREA SEX AGE OBS_VALUE TIME_PERIOD UNIT** 59 -|**DF_POP**|A|UK|~~|~~|65|2022|6 60 -|**DF_POP**|A|FR|~~|~~|50|2022|6 61 -|**DF_POP_SA**|A|UK|M|1|1.2|2022|6 60 +== 10.4 Reporting Constraints == 62 62 63 -1. 64 -11. Reporting Constraints 62 +A Reporting (% style="color:#e74c3c" %)Constraint(%%) is a [[Maintainable Artefact>>doc:sdmx:Glossary.Maintainable artefact.WebHome]] which restricts the values that can be reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]] based on one or more inclusion or exclusion rules. 65 65 66 -A ReportingConstraintisa MaintainableArtefact whichrestricts the values thatcanbe reported ina datasetormetadatasetbasedonone ormoreinclusionor exclusionrules.64 +A reporting (% style="color:#e74c3c" %)constraint(%%) is one of the following concrete types: 67 67 68 -A reporting constraint is one of the following concrete types: 66 +* Data (% style="color:#e74c3c" %)Constraint 67 +* Metadata (% style="color:#e74c3c" %)Constraint 69 69 70 -* Data Constraint 71 -* Metadata Constraint 72 -*1. 73 -*11. Data Constraint 69 +=== 10.4.1 Data Constraint === 74 74 75 -A Data Constraint is used to add additional restrictions to the allowable values reported in a dataset. Data Constraints can be applied to the follow structures which are collectively known as Constrainable structures: 71 +A Data (% style="color:#e74c3c" %)Constraint(%%) is used to add additional restrictions to the allowable values reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]]. Data (% style="color:#e74c3c" %)Constraints(%%) can be applied to the follow structures which are collectively known as Constrainable structures: 76 76 77 -* Data Structure Definition 78 -* Dataflow 79 -* Provision Agreement 73 +* [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] 74 +* [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] 75 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] 80 80 * Data Provider 81 81 82 -**Note** regardless of the Constrainable structure, the restricted values relate to the allowable content for the Component of the DSD to which the constrained object relates. 78 +**Note** regardless of the Constrainable structure, the restricted values relate to the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to which the constrained object relates. 83 83 84 -1. 85 -11. 86 -111. Metadata Constraint 80 +=== 10.4.2 Metadata Constraint === 87 87 88 -A Metadata Constraint is used to add additional restrictions to the allowable values reported in a metadataset. Metadata Constraints can be applied to the follow structures which are collectively known as Constrainable structures: 82 +A Metadata (% style="color:#e74c3c" %)Constraint(%%) is used to add additional restrictions to the allowable values reported in a metadataset. Metadata (% style="color:#e74c3c" %)Constraints(%%) can be applied to the follow structures which are collectively known as Constrainable structures: 89 89 90 90 * Metadata Structure Definition 91 -* Metadataflow 92 -* Metadata Provision Agreement 85 +* [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] 86 +* Metadata [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] 93 93 * Metadata Provider 94 94 95 -**Note** regardless of the Constrainable structure, the restricted values relate to the allowable content for the Component of the MSD to which the constrained object relates. 89 +**Note** regardless of the Constrainable structure, the restricted values relate to the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] of the [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] to which the constrained object relates. 96 96 97 -1. 98 -11. 99 -111. Scope of a Constraint 91 +=== 10.4.3 Scope of a Constraint === 100 100 101 -A Constraint is used specify the content of a data or metadata source in terms of the component values or the keys. 93 +A (% style="color:#e74c3c" %)Constraint(%%) is used specify the content of a data or metadata source in terms of the [[component>>doc:sdmx:Glossary.Component.WebHome]] values or the keys. 102 102 103 -In terms of data the components are: 95 +In terms of data the [[components>>doc:sdmx:Glossary.Component.WebHome]] are: 104 104 105 -* Dimension 106 -* Time Dimension 107 -* Data Attribute 108 -* Measure 109 -* Metadata Attribute 110 -* DataKeySets: the keys are the content of the KeyDescriptor – i.e., the series keys composed, for each key, by a value for each Dimension. 97 +* [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] 98 +* Time [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] 99 +* Data [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] 100 +* [[Measure>>doc:sdmx:Glossary.Measure.WebHome]] 101 +* Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] 102 +* DataKeySets: the keys are the content of the KeyDescriptor – i.e., the [[series keys>>doc:sdmx:Glossary.Series key.WebHome]] composed, for each key, by a value for each [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]. 111 111 112 -In terms of reference metadata the components are: 104 +In terms of [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] the [[components>>doc:sdmx:Glossary.Component.WebHome]] are: 113 113 114 -* Metadata Attribute 106 +* Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] 115 115 116 -For a Constraint based on a DSD the Constraint can reference one or more of: 108 +For a (% style="color:#e74c3c" %)Constraint(%%) based on a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] the (% style="color:#e74c3c" %)Constraint(%%) can reference one or more of: 117 117 118 -* Data Structure Definition 119 -* Dataflow 120 -* Provision Agreement 110 +* [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] 111 +* [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] 112 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] 121 121 * Data Provider 122 122 123 -For a Constraint based on an MSD the Constraint can reference one or more of: 115 +For a (% style="color:#e74c3c" %)Constraint(%%) based on an [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] the (% style="color:#e74c3c" %)Constraint(%%) can reference one or more of: 124 124 125 125 * Metadata Structure Definition 126 -* Metadataflow 127 -* Metadata Provision Agreement 118 +* [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] 119 +* Metadata [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] 128 128 * Metadata Provider 129 -* Metadata Set 121 +* [[Metadata Set>>doc:sdmx:Glossary.Metadata set.WebHome]] 130 130 131 -Furthermore, there can be more than one Constraint specified for a specific object e.g., more than one Constraint for a specific DSD. 123 +Furthermore, there can be more than one (% style="color:#e74c3c" %)Constraint(%%) specified for a specific object e.g., more than one (% style="color:#e74c3c" %)Constraint(%%) for a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. 132 132 133 -In view of the flexibility of constraints attachment, clear rules on their usage are required. These are elaborated below. 125 +In view of the flexibility of (% style="color:#e74c3c" %)constraints(%%) attachment, clear rules on their usage are required. These are elaborated below. 134 134 135 -1. 136 -11. 137 -111. Multiple Constraints 127 +=== 10.4.4 Multiple Constraints === 138 138 139 -There can be many Constraints for any Constrainable Artefact (e.g., DSD), subject to the following restrictions: 129 +There can be many (% style="color:#e74c3c" %)Constraints(%%) for any Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]), subject to the following restrictions: 140 140 141 - **10.4.4.1 Cube Region**131 +==== 10.4.4.1 Cube Region ==== 142 142 143 -A Constraint can contain multiple Member Selections (e.g., Dimensions). 133 +A (% style="color:#e74c3c" %)Constraint(%%) can contain multiple [[Member Selections>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]). 144 144 145 -* A specific Member Selection (e.g., Dimension FREQ) can only be contained in one Cube Region for any one attached object (e.g., a specific DSD or specific Dataflow). 146 -* Component values within a Member Selection may define a validity period. Otherwise, the value is valid for the whole validity of the Cube Region. 147 -* For partial reference resolution purposes (as per the SDMX REST API), the latest non-draft Constraint must be considered. 148 -* A Member Selection may include wildcarding of values (using character ‘%’ to represent zero or more occurrences of any character), as well as cascading through hierarchic structures (e.g., parents in Codelist), or localised values (e.g., text for English only). Lack of locale means any language may match. Cascading values are mutual exclusive to localised values, as the former refer to coded values, while the latter refer to uncoded values. 149 -* Any values included in a Member Selection for Components with an array data type (i.e., Measures, Attributes or Metadata Attributes), will be applied as single values and will not be assessed combined with other values to match all possible array values. For example, including the Code ‘A’ for an Attribute will allow any instance of the Attribute that includes ‘A’, like [‘A’, ‘B’] or [‘A’, ‘C’, ‘D’]. Similarly, if Code ‘A’ was excluded, all those arrays of values would also be excluded. 135 +* A specific [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ) can only be contained in one Cube Region for any one attached object (e.g., a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or specific [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]). 136 +* [[Component>>doc:sdmx:Glossary.Component.WebHome]] values within a [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] may define a validity period. Otherwise, the value is valid for the whole validity of the Cube Region. 137 +* For partial reference resolution purposes (as per the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] REST API), the latest non-draft (% style="color:#e74c3c" %)Constraint(%%) must be considered. 138 +* A [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] may include wildcarding of values (using character ‘%’ to represent zero or more occurrences of any character), as well as cascading through hierarchic structures (e.g., parents in Codelist), or localised values (e.g., text for English only). Lack of locale means any language may match. Cascading values are mutual exclusive to localised values, as the former refer to coded values, while the latter refer to uncoded values. 139 +* Any values included in a [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] for [[Components>>doc:sdmx:Glossary.Component.WebHome]] with an array data type (i.e., [[Measures>>doc:sdmx:Glossary.Measure.WebHome]], [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]] or Metadata [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]]), will be applied as single values and will not be assessed combined with other values to match all possible array values. For example, including the [[Code>>doc:sdmx:Glossary.Code.WebHome]] ‘A’ for an [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] will allow any instance of the [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] that includes ‘A’, like [‘A’, ‘B’] or [‘A’, ‘C’, ‘D’]. Similarly, if [[Code>>doc:sdmx:Glossary.Code.WebHome]] ‘A’ was excluded, all those arrays of values would also be excluded. 150 150 151 - **10.4.4.2 Key Set**141 +==== 10.4.4.2 Key Set ==== 152 152 153 -Key Sets will be processed in the order they appear in the Constraint and wildcards can be used (e.g., any key position not reference explicitly is deemed to be "all values"). 143 +Key Sets will be processed in the order they appear in the (% style="color:#e74c3c" %)Constraint(%%) and wildcards can be used (e.g., any key position not reference explicitly is deemed to be "all values"). 154 154 155 -As the Key Sets can be "included" or "excluded" it is recommended that Key Sets with wildcards are declared before KeySets with specific series keys. This will minimize the risk that keys are inadvertently included or excluded. 145 +As the Key Sets can be "included" or "excluded" it is recommended that Key Sets with wildcards are declared before KeySets with specific [[series keys>>doc:sdmx:Glossary.Series key.WebHome]]. This will minimize the risk that keys are inadvertently included or excluded. 156 156 157 -In addition, Attribute, Measure and Metadata Attribute constraints may accompany KeySets, in order to specify the allowed values per Key. Those are expressed following the rules for Cube Regions, as explained above. 147 +In addition, [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]], [[Measure>>doc:sdmx:Glossary.Measure.WebHome]] and Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] (% style="color:#e74c3c" %)constraints(%%) may accompany KeySets, in order to specify the allowed values per Key. Those are expressed following the rules for Cube Regions, as explained above. 158 158 159 159 Finally, a validity period may be specified per Key. 160 160 161 -1. 162 -11. 163 -111. Versioning 151 +=== 10.4.4 Versioning === 164 164 165 -When Data and Metadata Constraints are versioned, the latest version of the Constraint is used to generate the reporting restriction rules; all previous versions are for historical information only. 153 +When Data and Metadata (% style="color:#e74c3c" %)Constraints(%%) are versioned, the latest (% style="color:#e74c3c" %)version(%%) of the (% style="color:#e74c3c" %)Constraint(%%) is used to generate the reporting restriction rules; all previous (% style="color:#e74c3c" %)versions(%%) are for historical information only. 166 166 167 -If restrictions are applicable to certain periods in time, the validFrom and validTo properties can be set on the specific values. This allows Constraints to evolve over time, increasing their version number as they do so, whilst being able to maintain a complete set of reporting restrictions for current and past datasets. 155 +If restrictions are applicable to certain periods in time, the validFrom and validTo properties can be set on the specific values. This allows (% style="color:#e74c3c" %)Constraints(%%) to evolve over time, increasing their (% style="color:#e74c3c" %)version(%%) number as they do so, whilst being able to maintain a complete set of reporting restrictions for current and past [[datasets>>doc:sdmx:Glossary.Data set.WebHome]]. 168 168 169 169 Example: 170 170 171 -Data Constraint 1.0.0 159 +Data (% style="color:#e74c3c" %)Constraint(%%) 1.0.0 172 172 173 -|Component|Valid Value|Valid from|Valid to 174 -|(% rowspan="3" %)COUNTRY|UK| | 175 -|FR| | 176 -|DE| | 161 +(% style="width:573.294px" %) 162 +|(% style="width:108px" %)[[Component>>doc:sdmx:Glossary.Component.WebHome]]|(% style="width:127px" %)Valid Value|(% style="width:150px" %)Valid from|(% style="width:185px" %)Valid to 163 +|(% rowspan="3" style="width:108px" %)COUNTRY|(% style="width:127px" %)UK|(% style="width:150px" %) |(% style="width:185px" %) 164 +|(% style="width:127px" %)FR|(% style="width:150px" %) |(% style="width:185px" %) 165 +|(% style="width:127px" %)DE|(% style="width:150px" %) |(% style="width:185px" %) 177 177 178 -Data Constraint 1.1.0 167 +Data (% style="color:#e74c3c" %)Constraint(%%) 1.1.0 179 179 180 -|Component|Valid Value|Valid from|Valid to 181 -|(% rowspan="3" %)COUNTRY|UK| | 182 -|FR| |2012 183 -|DE| | 169 +(% style="width:576.294px" %) 170 +|(% style="width:110px" %)[[Component>>doc:sdmx:Glossary.Component.WebHome]]|(% style="width:129px" %)Valid Value|(% style="width:145px" %)Valid from|(% style="width:189px" %)Valid to 171 +|(% rowspan="3" style="width:110px" %)COUNTRY|(% style="width:129px" %)UK|(% style="width:145px" %) |(% style="width:189px" %) 172 +|(% style="width:129px" %)FR|(% style="width:145px" %) |(% style="width:189px" %)2012 173 +|(% style="width:129px" %)DE|(% style="width:145px" %) |(% style="width:189px" %) 184 184 185 -When both versions of the Data Constraint are in a system, an observation value reported against COUNTRY FR for time period 2013 would be deemed invalid as the 1.1.0 rule would be applied. 175 +When both (% style="color:#e74c3c" %)versions(%%) of the Data (% style="color:#e74c3c" %)Constraint(%%) are in a system, an [[observation value>>doc:sdmx:Glossary.Observation value.WebHome]] reported against COUNTRY FR for [[time period>>doc:sdmx:Glossary.Time period.WebHome]] 2013 would be deemed invalid as the 1.1.0 rule would be applied. 186 186 187 -1. 188 -11. 189 -111. Inheritance 177 +=== 10.4.6 Inheritance === 190 190 191 - **10.4.6.1 Attachment levels of a Constraint**179 +==== 10.4.6.1 Attachment levels of a Constraint ==== 192 192 193 -There are three levels of constraint attachment for which these inheritance rules apply: 181 +There are three (% style="color:#e74c3c" %)levels(%%) of (% style="color:#e74c3c" %)constraint(%%) attachment for which these inheritance rules apply: 194 194 195 -• DSD/MSD – top level o Dataflow/Metadataflow – second level 183 +* [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]/[[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] – top (% style="color:#e74c3c" %)level 184 +** [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] – second (% style="color:#e74c3c" %)level 185 +*** [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] – third (% style="color:#e74c3c" %)level 196 196 197 - §Provision Agreement–third level187 +It is not necessary for a (% style="color:#e74c3c" %)Constraint(%%) to be attached to a higher (% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]]. e.g., it is valid to have a (% style="color:#e74c3c" %)Constraint(%%) for a [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] where there are no (% style="color:#e74c3c" %)constraints(%%) attached the relevant [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. 198 198 199 - Itisnot necessary for aConstraint to be attached toahigherlevel artefact. e.g., it is valid to havea Constraintfora ProvisionAgreementwhere there are noconstraintsattached the relevant Dataflow or DSD.189 +==== 10.4.6.2 Cascade rules for processing Constraints ==== 200 200 201 - **10.4.6.2Cascade rules forprocessingConstraints**191 +The processing of the (% style="color:#e74c3c" %)constraints(%%) on either [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] must take into account the (% style="color:#e74c3c" %)constraints(%%) declared at higher (% style="color:#e74c3c" %)levels(%%). The rules for the lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraints(%%) (attached to [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/ [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] and [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]) are detailed below. 202 202 203 - Theprocessingofthe constraintsoneitherDataflow/MetadatafloworProvisionAgreementmust takeintoaccount the constraintsdeclared at higher levels.The rulesforthe lower-level constraints(attachedtoDataflow/MetadataflowandProvisionAgreement)aredetailedbelow.193 +Note that there can be a situation where a (% style="color:#e74c3c" %)constraint(%%) is specified at a lower (% style="color:#e74c3c" %)level(%%) before a (% style="color:#e74c3c" %)constraint(%%) is specified at a higher (% style="color:#e74c3c" %)level(%%). Therefore, it is possible that a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) makes a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) invalid. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] makes no rules on how such a conflict should be handled when processing the (% style="color:#e74c3c" %)constraint(%%) for attachment. However, the cascade rules on evaluating (% style="color:#e74c3c" %)constraints(%%) for usage are clear – the higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) takes precedence in any conflicts that result in a less restrictive specification at the lower (% style="color:#e74c3c" %)level(%%). 204 204 205 - Notethat there can be a situation where a constraint is specified at a lower level before a constraint is specified at a higher level.Therefore, it is possible that a higher-level constraint makes a lower-level constraint invalid.SDMX makes no rules on how such a conflict shouldbehandled when processingthe constraint for attachment.However, the cascade rules on evaluating constraints for usage are clear – the higher-level constraint takes precedence in any conflicts that result in a less restrictive specification at the lower level.195 +==== 10.4.6.3 Cube Region ==== 206 206 207 - **10.4.6.3 CubeRegion**197 +It is not necessary to have a (% style="color:#e74c3c" %)Constraint(%%) on the higher-(% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)Constraint(%%) at the higher (% style="color:#e74c3c" %)level(%%)(s) then: 208 208 209 -It is not necessary to have a Constraint on the higher-level artefact (e.g., DSD referenced by the Dataflow), but if there is such a Constraint at the higher level(s) then: 199 +* The lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) cannot be less restrictive than the (% style="color:#e74c3c" %)Constraint(%%) specified for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]) at the next higher (% style="color:#e74c3c" %)level(%%), which constrains that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. For example, if the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ is constrained to A, Q in a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], then the (% style="color:#e74c3c" %)Constraint(%%) at the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] cannot be A, Q, M or even just M – it can only further constrain A, Q. 200 +* The (% style="color:#e74c3c" %)Constraint(%%) at the lower (% style="color:#e74c3c" %)level(%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the content for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] at the higher (% style="color:#e74c3c" %)level(%%)(s). 201 +* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)Constraint(%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)Constraint(%%) specified at the next higher (% style="color:#e74c3c" %)level(%%) which (% style="color:#e74c3c" %)constraints(%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. 202 +* If there is a conflict when resolving the (% style="color:#e74c3c" %)Constraint(%%) in terms of a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) being less restrictive than a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%), then the (% style="color:#e74c3c" %)Constraint(%%) at the higher-(% style="color:#e74c3c" %)level(%%) is used. 210 210 211 -* The lower-level Constraint cannot be less restrictive than the Constraint specified for the same Member Selection (e.g. Dimension) at the next higher level, which constrains that Member Selection. For example, if the Dimension FREQ is constrained to A, Q in a DSD, then the Constraint at the Dataflow or Provision Agreement cannot be A, Q, M or even just M – it can only further constrain A, Q. 212 -* The Constraint at the lower level for any one Member Selection further constrains the content for the same Member Selection at the higher level(s). 213 -* Any Member Selection, which is not referenced in a Constraint, is deemed to be constrained according to the Constraint specified at the next higher level which constraints that Member Selection. 214 -* If there is a conflict when resolving the Constraint in terms of a lower-level Constraint being less restrictive than a higher-level Constraint, then the Constraint at the higher-level is used. 204 +Note that it is possible for a (% style="color:#e74c3c" %)Constraint(%%) at a higher (% style="color:#e74c3c" %)level(%%) to constrain, say, four [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] in a single (% style="color:#e74c3c" %)Constraint(%%), and a (% style="color:#e74c3c" %)Constraint(%%) at a lower (% style="color:#e74c3c" %)level(%%) to constrain the same four in two, three, or four (% style="color:#e74c3c" %)Constraints(%%). 215 215 216 - Notethatit is possiblefor a Constraint at a higher level to constrain, say,four Dimensions in a single Constraint,and a Constraint at a lower level to constrain the same four in two, three, or four Constraints.206 +==== 10.4.6.4 Key Set ==== 217 217 218 - **10.4.6.4KeySet**208 +It is not necessary to have a (% style="color:#e74c3c" %)Constraint(%%) on the higher-(% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)Constraint(%%) at the higher (% style="color:#e74c3c" %)level(%%)(s) then: 219 219 220 -It is not necessary to have a Constraint on the higher-level artefact (e.g., DSD referenced by the Dataflow), but if there is such a Constraint at the higher level(s) then: 210 +* The lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) cannot be less restrictive than the (% style="color:#e74c3c" %)Constraint(%%) specified at the higher (% style="color:#e74c3c" %)level(%%). 211 +* The (% style="color:#e74c3c" %)Constraint(%%) at the lower (% style="color:#e74c3c" %)level(%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the keys specified at the higher (% style="color:#e74c3c" %)level(%%)(s). 212 +* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)Constraint(%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)Constraint(%%) specified at the next higher (% style="color:#e74c3c" %)level(%%) which (% style="color:#e74c3c" %)constraints(%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. 213 +* If there is a conflict when resolving the keys in the (% style="color:#e74c3c" %)Constraint(%%) at two (% style="color:#e74c3c" %)levels(%%), in terms of a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) being less restrictive than a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%), then the offending keys specified at the lower (% style="color:#e74c3c" %)level(%%) are not deemed part of the (% style="color:#e74c3c" %)Constraint(%%). 221 221 222 -* The lower-level Constraint cannot be less restrictive than the Constraint specified at the higher level. 223 -* The Constraint at the lower level for any one Member Selection further constrains the keys specified at the higher level(s). 224 -* Any Member Selection, which is not referenced in a Constraint, is deemed to be constrained according to the Constraint specified at the next higher level which constraints that Member Selection. 225 -* If there is a conflict when resolving the keys in the Constraint at two levels, in terms of a lower-level constraint being less restrictive than a higher-level Constraint, then the offending keys specified at the lower level are not deemed part of the Constraint. 215 +Note that a Key in a Key Set can have wildcarded [[Components>>doc:sdmx:Glossary.Component.WebHome]]. For instance, the (% style="color:#e74c3c" %)Constraint(%%) may simply constrain the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ to "A", and all keys where the FREQ="A" are therefore valid. 226 226 227 -Note that a Key in a Key Set can have wildcarded Components. For instance, the Constraint may simply constrain the Dimension FREQ to "A", and all keys where the FREQ="A" are therefore valid. 228 - 229 229 The following logic explains how the inheritance mechanism works. Note that this is conceptual logic and actual systems may differ in the way this is implemented. 230 230 231 -1. 232 -11. Determine all possible keys that are valid at the higher level. 233 -11. These keys are deemed to be inherited by the lower-level constrained object, subject to the Constraints specified at the lower level. 234 -11. Determine all possible keys that are possible using the Constraints specified at the lower level. 235 -11. At the lower level inherit all keys that match with the higher-level Constraint. 236 -11. If there are keys in the lower-level Constraint that are not inherited then the key is invalid (i.e., it is less restrictive). 237 -111. Constraints Examples 219 +1. Determine all possible keys that are valid at the higher (% style="color:#e74c3c" %)level(%%). 220 +1. These keys are deemed to be inherited by the lower-(% style="color:#e74c3c" %)level(%%) constrained object, subject to the (% style="color:#e74c3c" %)Constraints(%%) specified at the lower (% style="color:#e74c3c" %)level(%%). 221 +1. Determine all possible keys that are possible using the (% style="color:#e74c3c" %)Constraints(%%) specified at the lower (% style="color:#e74c3c" %)level(%%). 222 +1. At the lower (% style="color:#e74c3c" %)level(%%) inherit all keys that match with the higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%). 223 +1. If there are keys in the lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) that are not inherited then the key is invalid (i.e., it is less restrictive). 238 238 239 - **10.4.7.1DataConstraintand Cascading**The following scenario isused.225 +=== 10.4.7 Constraints Examples === 240 240 241 - ADSDcontainsthefollowingDimensions:227 +==== 10.4.7.1 Data Constraint and Cascading ==== 242 242 229 +The following scenario is used. 230 + 231 +A [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] contains the following [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]: 232 + 243 243 * GEO – Geography 244 -* SEX – Sex 245 -* AGE – Age 234 +* [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] – [[Sex>>doc:sdmx:Glossary.Sex.WebHome]] 235 +* [[AGE>>doc:sdmx:Glossary.Age.WebHome]] – [[Age>>doc:sdmx:Glossary.Age.WebHome]] 246 246 * CAS – Current Activity Status 247 247 248 -In the DSD, common code lists are used and the requirement is to restrict these at various levels to specify the actual code that are valid for the object to which the Constraint is attached. 238 +In the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], common [[code lists>>doc:sdmx:Glossary.Code list.WebHome]] are used and the requirement is to restrict these at various (% style="color:#e74c3c" %)levels(%%) to specify the actual [[code>>doc:sdmx:Glossary.Code.WebHome]] that are valid for the object to which the (% style="color:#e74c3c" %)Constraint(%%) is attached. 249 249 240 +[[image:1750065279010-260.png]] 250 250 251 -**Figure 20: Example Scenario for Constraints **Constraints are declared as follows: 242 +**Figure 20: Example Scenario for (% style="color:#e74c3c" %)Constraints(%%) **(% style="color:#e74c3c" %)Constraints(%%) are declared as follows: 252 252 244 +[[image:1750065319060-899.png]] 253 253 254 -**Figure 21: Example Constraints** 246 +**Figure 21: Example (% style="color:#e74c3c" %)Constraints(%%)** 255 255 256 256 Notes: 257 257 258 -AGE is constrained for the DSD and is further restricted for the Dataflow CENSUS_CUBE1. 250 +[[AGE>>doc:sdmx:Glossary.Age.WebHome]] is constrained for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and is further restricted for the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1. 259 259 260 -* The same Constraint applies to both Provision Agreements. 252 +* The same (% style="color:#e74c3c" %)Constraint(%%) applies to both Provision Agreements. 261 261 262 262 The cascade rules elaborated above result as follows: 263 263 264 -DSD 256 +[[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] 265 265 266 -* Constrained by eliminating code 001 from the code list for the AGE Dimension. 258 +* Constrained by eliminating [[code>>doc:sdmx:Glossary.Code.WebHome]] 001 from the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]. 267 267 268 -Dataflow CENSUS_CUBE1 260 +[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1 269 269 270 -* Constrained by restricting the code list for the AGE Dimension to codes 002 and 003 (note that this is a more restrictive constraint than that declared for the DSD which specifies all codes except code 001). 271 -** Restricts the CAS codes to 003 and 004. 262 +* Constrained by restricting the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary.Code.WebHome]] 002 and 003 (note that this is a more restrictive (% style="color:#e74c3c" %)constraint(%%) than that declared for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which specifies all [[codes>>doc:sdmx:Glossary.Code.WebHome]] except [[code>>doc:sdmx:Glossary.Code.WebHome]] 001). 263 +** Restricts the CAS [[codes>>doc:sdmx:Glossary.Code.WebHome]] to 003 and 004. 272 272 273 -Dataflow CENSUS_CUBE2 265 +[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE2 274 274 275 -* Restricts the code list for the CAS Dimension to codes TOT and NAP. 276 -** Inherits the AGE constraint applied at the level of the DSD. 267 +* Restricts the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the CAS [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary.Code.WebHome]] TOT and NAP. 268 +** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)constraint(%%) applied at the (% style="color:#e74c3c" %)level(%%) of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. 277 277 278 -Provision Agreement CENSUS_CUBE1_IT 270 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] CENSUS_CUBE1_IT 279 279 280 -* Restricts the codes for the GEO Dimension to IT and its children. 281 -** Inherits the constraints from Dataflow CENSUS_CUBE1 for the AGE and CAS Dimensions. 272 +* Restricts the [[codes>>doc:sdmx:Glossary.Code.WebHome]] for the GEO [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to IT and its children. 273 +** Inherits the (% style="color:#e74c3c" %)constraints(%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1 for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] and CAS [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]. 282 282 275 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] CENSUS_CUBE2_IT 283 283 277 +* Restricts the [[codes>>doc:sdmx:Glossary.Code.WebHome]] for the GEO [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to IT and its children. 278 +** Inherits the (% style="color:#e74c3c" %)constraints(%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE2 for the CAS [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]. 279 +** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)constraint(%%) applied at the (% style="color:#e74c3c" %)level(%%) of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. 284 284 285 - ProvisionAgreementCENSUS_CUBE2_IT281 +The (% style="color:#e74c3c" %)Constraints(%%) are defined as follows: 286 286 287 -* Restricts the codes for the GEO Dimension to IT and its children. 288 -** Inherits the constraints from Dataflow CENSUS_CUBE2 for the CAS Dimension. 289 -** Inherits the AGE constraint applied at the level of the DSD. 283 +[[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] (% style="color:#e74c3c" %)Constraint 290 290 291 - The Constraintsaredefined as follows:285 +[[image:1750065367824-357.png]] 292 292 293 -D SD Constraint287 +[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] (% style="color:#e74c3c" %)Constraints 294 294 295 - Dataflow Constraints289 +[[image:1750065392163-400.png]] 296 296 297 -Provision Agreement Constraint 291 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] (% style="color:#e74c3c" %)Constraint 298 298 299 - **10.4.7.2 Combination of Constraints**293 +[[image:1750065461589-995.png]] 300 300 295 +**10.4.7.2 Combination of (% style="color:#e74c3c" %)Constraints(%%)** 296 + 301 301 The possible combination of constraining terms are explained in this section, following a few examples. 302 302 303 -Let’s assume a DSD with the following Components: 299 +Let’s assume a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] with the following [[Components>>doc:sdmx:Glossary.Component.WebHome]]: 304 304 305 -|Dimension|FREQ 306 -|Dimension|JD_TYPE 307 -|Dimension|JD_CATEGORY 308 -|Dimension|VIS_CTY 309 -|TimeDimension|TIME_PERIOD 310 -|Attribute|OBS_STATUS 311 -|Attribute|UNIT 312 -|Attribute|COMMENT 313 -|MetadataAttribute|CONTACT 314 -|Measure|MULTISELECT 315 -|Measure|CHOICE 301 +(% style="width:459.294px" %) 302 +|(% style="width:204px" %)(% style="color:#3498db" %)[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]|(% style="width:252px" %)(% style="color:#3498db" %)FREQ 303 +|(% style="width:204px" %)(% style="color:#3498db" %)[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]|(% style="width:252px" %)(% style="color:#3498db" %)JD_TYPE 304 +|(% style="width:204px" %)(% style="color:#3498db" %)[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]|(% style="width:252px" %)(% style="color:#3498db" %)JD_CATEGORY 305 +|(% style="width:204px" %)(% style="color:#3498db" %)[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]|(% style="width:252px" %)(% style="color:#3498db" %)VIS_CTY 306 +|(% style="width:204px" %)(% style="color:#2980b9" %)TimeDimension|(% style="width:252px" %)(% style="color:#2980b9" %)TIME_PERIOD 307 +|(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)OBS_STATUS 308 +|(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)UNIT 309 +|(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)[[COMMENT>>doc:sdmx:Glossary.Comment.WebHome]] 310 +|(% style="width:204px" %)(% style="color:#f39c12" %)MetadataAttribute|(% style="width:252px" %)(% style="color: rgb(243, 156, 18); color: rgb(231, 76, 60)" %)CONTACT 311 +|(% style="width:204px" %)(% style="color:#e74c3c" %)[[Measure>>doc:sdmx:Glossary.Measure.WebHome]]|(% style="width:252px" %)(% style="color:#e74c3c" %)MULTISELECT 312 +|(% style="width:204px" %)(% style="color:#e74c3c" %)[[Measure>>doc:sdmx:Glossary.Measure.WebHome]]|(% style="width:252px" %)(% style="color:#e74c3c" %)CHOICE 316 316 317 317 On the above, let’s assume the following use cases with their constraining requirements: 318 318 319 -**Use Case 1: A Constraint on allowed values for some Dimensions** 316 +**Use Case 1: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]** 320 320 321 321 R1: Allow monthly and quarterly data 322 322 ... ... @@ -324,10 +324,11 @@ 324 324 325 325 This is expressed with the following CubeRegion: 326 326 327 -|FREQ|M, Q 328 -|VIS_CTY|MX 324 +(% style="width:287.294px" %) 325 +|(% style="width:131px" %)(% style="color:#3498db" %)FREQ|(% style="width:153px" %)(% style="color:#3498db" %)M, Q 326 +|(% style="width:131px" %)(% style="color:#3498db" %)VIS_CTY|(% style="width:153px" %)(% style="color:#3498db" %)MX 329 329 330 -**Use Case 2: A Constraint on allowed combinations for some Dimensions** 328 +**Use Case 2: A (% style="color:#e74c3c" %)Constraint(%%) on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]** 331 331 332 332 R1: Allow monthly data for Germany 333 333 ... ... @@ -335,12 +335,13 @@ 335 335 336 336 This is expressed with the following DataKeySet: 337 337 338 -|Key1|FREQ|M 339 -| |VIS_CTY|DE 340 -|(% rowspan="2" %)Key2|FREQ|Q 341 -|VIS_CTY|MX 336 +(% style="width:388.294px" %) 337 +|(% style="width:105px" %)(% style="color:#2980b9" %)Key1|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:143px" %)(% style="color:#2980b9" %)M 338 +|(% style="width:105px" %) |(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:143px" %)(% style="color:#2980b9" %)DE 339 +|(% rowspan="2" style="width:105px" %)(% style="color:#2980b9" %)Key2|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:143px" %)(% style="color:#2980b9" %)Q 340 +|(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:143px" %)(% style="color:#2980b9" %)MX 342 342 343 -**Use Case 3: A Constraint on allowed values for some Dimensions combined with allowed values for some Attributes** R1: Allow monthly and quarterly data 342 +**Use Case 3: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with allowed values for some [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]]** R1: Allow monthly and quarterly data 344 344 345 345 R2: Allow Mexico for vis-à-vis country 346 346 ... ... @@ -348,11 +348,12 @@ 348 348 349 349 This may be expressed with the following CubeRegion: 350 350 351 -|FREQ|M, Q 352 -|VIS_CTY|MX 353 -|OBS_STATUS|A 350 +(% style="width:285.294px" %) 351 +|(% style="width:143px" %)(% style="color:#2980b9" %)FREQ|(% style="width:139px" %)(% style="color:#2980b9" %)M, Q 352 +|(% style="width:143px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:139px" %)(% style="color:#2980b9" %)MX 353 +|(% style="width:143px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:139px" %)(% style="color:#27ae60" %)A 354 354 355 -**Use Case 4: A Constraint on allowed combinations for some Dimensions combined with specific Attribute values** 355 +**Use Case 4: A (% style="color:#e74c3c" %)Constraint(%%) on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with specific [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values** 356 356 357 357 R1: Allow monthly data, for Germany, with unit euro 358 358 ... ... @@ -360,14 +360,15 @@ 360 360 361 361 This may be expressed with the following DataKeySet: 362 362 363 -|(% rowspan="3" %)Key1|FREQ|M 364 -|VIS_CTY|DE 365 -|UNIT|EUR 366 -|(% rowspan="3" %)Key2|FREQ|Q 367 -|VIS_CTY|MX 368 -|UNIT|USD 363 +(% style="width:389.294px" %) 364 +|(% rowspan="3" style="width:89px" %)(% style="color:#2980b9" %)Key1|(% style="width:153px" %)(% style="color:#2980b9" %)FREQ|(% style="width:142px" %)(% style="color:#2980b9" %)M 365 +|(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:142px" %)(% style="color:#2980b9" %)DE 366 +|(% style="width:153px" %)(% style="color:#27ae60" %)UNIT|(% style="width:142px" %)(% style="color:#27ae60" %)EUR 367 +|(% rowspan="3" style="width:89px" %)(% style="color:#2980b9" %)Key2|(% style="width:153px" %)(% style="color:#2980b9" %)FREQ|(% style="width:142px" %)(% style="color:#2980b9" %)Q 368 +|(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:142px" %)(% style="color:#2980b9" %)MX 369 +|(% style="width:153px" %)(% style="color:#27ae60" %)UNIT|(% style="width:142px" %)(% style="color:#27ae60" %)USD 369 369 370 -**Use Case 5: A Constraint on allowed values for some Dimensions together with some combination of Dimension values** 371 +**Use Case 5: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] together with some combination of [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values** 371 371 372 372 R1: For annually and quarterly data, for Mexico and Germany, only A status is allowed 373 373 ... ... @@ -375,52 +375,59 @@ 375 375 376 376 Considering the above examples, the following CubeRegions would be created: 377 377 378 -|(% rowspan="3" %)CubeRegion1|FREQ|Q, A 379 -|VIS_CTY|MX, DE 380 -|OBS_STATUS|A 381 -|(% rowspan="3" %)CubeRegion2|FREQ|M 382 -|VIS_CTY|MX, DE 383 -|OBS_STATUS|F 379 +(% style="width:449.294px" %) 380 +|(% rowspan="3" style="width:126px" %)(% style="color:#2980b9" %)CubeRegion1|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:183px" %)(% style="color:#2980b9" %)Q, A 381 +|(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:183px" %)(% style="color:#2980b9" %)MX, DE 382 +|(% style="width:137px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:183px" %)(% style="color:#27ae60" %)A 383 +|(% rowspan="3" style="width:126px" %)(% style="color:#2980b9" %)CubeRegion2|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:183px" %)(% style="color:#2980b9" %)M 384 +|(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:183px" %)(% style="color:#2980b9" %)MX, DE 385 +|(% style="width:137px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:183px" %)(% style="color:#27ae60" %)F 384 384 385 -The problem with this approach is that according to the business rule for Constraints, only one should be specified per Component. Thus, if a software would perform some conflict resolution would end up with empty sets for FREQ and OBS_STATUS (as they do not share any values). 387 +The problem with this approach is that according to the business rule for (% style="color:#e74c3c" %)Constraints(%%), only one should be specified per [[Component>>doc:sdmx:Glossary.Component.WebHome]]. Thus, if a software would perform some conflict resolution would end up with empty sets for FREQ and OBS_STATUS (as they do not share any values). 386 386 387 -Nevertheless, there is a much easier approach to that; this is the cascading mechanism of Constraints (as shown in 10.4.7.1). Hence, these rules would be expressed into two levels of Constraints, e.g., DSD and Dataflows: 389 +Nevertheless, there is a much easier approach to that; this is the cascading mechanism of (% style="color:#e74c3c" %)Constraints(%%) (as shown in 10.4.7.1). Hence, these rules would be expressed into two (% style="color:#e74c3c" %)levels(%%) of (% style="color:#e74c3c" %)Constraints(%%), e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]]: 388 388 389 -DSD CubeRegion: 391 +[[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] CubeRegion: 390 390 391 -|FREQ|M, Q, A 392 -|VIS_CTY|MX, DE 393 -|OBS_STATUS|A, F 393 +(% style="width:280.294px" %) 394 +|(% style="width:156px" %)(% style="color:#2980b9" %)FREQ|(% style="width:121px" %)(% style="color:#2980b9" %)M, Q, A 395 +|(% style="width:156px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:121px" %)(% style="color:#2980b9" %)MX, DE 396 +|(% style="width:156px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:121px" %)(% style="color:#27ae60" %)A, F 394 394 395 395 Dataflow1 CubeRegion: 396 396 397 -|FREQ|Q, A 398 -|VIS_CTY|MX, DE 399 -|OBS_STATUS|F 400 +(% style="width:285.294px" %) 401 +|(% style="width:157px" %)(% style="color:#2980b9" %)FREQ|(% style="width:125px" %)(% style="color:#2980b9" %)Q, A 402 +|(% style="width:157px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:125px" %)(% style="color:#2980b9" %)MX, DE 403 +|(% style="width:157px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:125px" %)(% style="color:#27ae60" %)F 400 400 401 401 Dataflow2 CubeRegion: 402 402 403 -|FREQ|M 404 -|VIS_CTY|MX, DE 405 -|OBS_STATUS|A 407 +(% style="width:288.294px" %) 408 +|(% style="width:159px" %)(% style="color:#2980b9" %)FREQ|(% style="width:126px" %)(% style="color:#2980b9" %)M 409 +|(% style="width:159px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:126px" %)(% style="color:#2980b9" %)MX, DE 410 +|(% style="width:159px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:126px" %)(% style="color:#27ae60" %)A 406 406 407 -**Use case 6: A Constraint on allowed values for some Dimensions combined with allowed values for Measures** 412 +**Use case 6: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with allowed values for [[Measures>>doc:sdmx:Glossary.Measure.WebHome]]** 408 408 409 -R1: Allow monthly data, for Germany, with unit euro, and measure choice is 'A' R2: Allow quarterly data, for Mexico, with unit usd, and measure choice is 'B' 414 +R1: Allow monthly data, for Germany, with unit euro, and [[measure>>doc:sdmx:Glossary.Measure.WebHome]] choice is 'A' R2: Allow quarterly data, for Mexico, with unit usd, and [[measure>>doc:sdmx:Glossary.Measure.WebHome]] choice is 'B' 410 410 411 411 This may be expressed with the following DataKeySet: 412 412 413 -|(% rowspan="4" %)Key1|FREQ|M 414 -|VIS_CTY|DE 415 -|UNIT|EUR 416 -|CHOICE|A 417 -|(% rowspan="4" %)Key2|FREQ|Q 418 -|VIS_CTY|MX 419 -|UNIT|USD 420 -|CHOICE|B 418 +(% style="width:404.294px" %) 419 +|(% rowspan="4" style="width:99px" %)(% style="color:#2980b9" %)Key1|(% style="width:153px" %)(% style="color:#2980b9" %)FREQ|(% style="width:149px" %)(% style="color:#2980b9" %)M 420 +|(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:149px" %)(% style="color:#2980b9" %)DE 421 +|(% style="width:153px" %)(% style="color:#27ae60" %)UNIT|(% style="width:149px" %)(% style="color:#27ae60" %)EUR 422 +|(% style="width:153px" %)(% style="color:#e74c3c" %)CHOICE|(% style="width:149px" %)(% style="color:#e74c3c" %)A 423 +|(% rowspan="4" style="width:99px" %)(% style="color:#2980b9" %)Key2|(% style="width:153px" %)(% style="color:#2980b9" %)FREQ|(% style="width:149px" %)(% style="color:#2980b9" %)Q 424 +|(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:149px" %)(% style="color:#2980b9" %)MX 425 +|(% style="width:153px" %)(% style="color:#27ae60" %)UNIT|(% style="width:149px" %)(% style="color:#27ae60" %)USD 426 +|(% style="width:153px" %)(% style="color:#e74c3c" %)CHOICE|(% style="width:149px" %)(% style="color:#e74c3c" %)B 421 421 422 -**Use Case 7: A Constraint with wildcards for Codes and removePrefix property** For this example, we assume that the VIS_CTY representation has been prefixed with prefix ‘AREA_’. In this Constraint, we need to remove the prefix.428 +**Use Case 7: A Constraint with wildcards for Codes and removePrefix property** 423 423 430 +For this example, we assume that the VIS_CTY representation has been prefixed with prefix ‘AREA_’. In this Constraint, we need to remove the prefix. 431 + 424 424 R1: Allow monthly and quarterly data 425 425 426 426 R2: Allow vis-à-vis countries that start with M ... ... @@ -429,8 +429,9 @@ 429 429 430 430 This may be expressed with the following CubeRegion: 431 431 432 -|FREQ|M, Q 433 -|VIS_CTY (removePrefix=’AREA_’)|M% 440 +(% style="width:379.294px" %) 441 +|(% style="width:264px" %)(% style="color:#2980b9" %)FREQ|(% style="width:112px" %)(% style="color:#2980b9" %)M, Q 442 +|(% style="width:264px" %)(% style="color:#2980b9" %)VIS_CTY (removePrefix=’AREA_’)|(% style="width:112px" %)(% style="color:#2980b9" %)M% 434 434 435 435 **Use Case 8: A Constraint with multilingual support on Attributes** 436 436 ... ... @@ -438,22 +438,24 @@ 438 438 439 439 R2: Allow Mexico for vis-à-vis country 440 440 441 -R3: Allow a comment, in English, which includes the term adjusted for status 450 +R3: Allow a [[comment>>doc:sdmx:Glossary.Comment.WebHome]], in English, which includes the term adjusted for status 442 442 443 443 This may be expressed with the following CubeRegion: 444 444 445 -|FREQ|M, Q 446 -|VIS_CTY|MX 447 -|COMMENT (lang=’en’)|%adjusted% 454 +(% style="width:382.294px" %) 455 +|(% style="width:190px" %)(% style="color:#2980b9" %)FREQ|(% style="width:189px" %)(% style="color:#2980b9" %)M, Q 456 +|(% style="width:190px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:189px" %)(% style="color:#2980b9" %)MX 457 +|(% style="width:190px" %)(% style="color:#27ae60" %)[[COMMENT>>doc:sdmx:Glossary.Comment.WebHome]] (lang=’en’)|(% style="width:189px" %)(% style="color:#27ae60" %)%adjusted% 448 448 449 449 **Use Case 9: A Constraint on allowed values for Dimensions combined with allowed** values for Metadata Attributes R1: Allow monthly and quarterly data 450 450 451 451 R2: Allow Mexico for vis-à-vis country 452 452 453 -R3: Allow John Doe for contact 463 +R3: Allow John Doe for (% style="color:#e74c3c" %)contact(%%) 454 454 455 455 This may be expressed with the following CubeRegion: 456 456 457 -|FREQ|M, Q 458 -|VIS_CTY|MX 459 -|CONTACT|John Doe 467 +(% style="width:388.294px" %) 468 +|(% style="width:181px" %)(% style="color:#2980b9" %)FREQ|(% style="width:204px" %)(% style="color:#2980b9" %)M, Q 469 +|(% style="width:181px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:204px" %)(% style="color:#2980b9" %)MX 470 +|(% style="width:181px" %)(% style="color:#f39c12" %)CONTACT|(% style="width:204px" %)(% style="color:#f39c12" %)John Doe
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