Changes for page 13 Structure Mapping
Last modified by Helena on 2025/09/10 11:19
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... ... @@ -132,26 +132,24 @@ 132 132 133 133 A Representation Map mapping ISO 2-character to ISO 3-character Codelists would take the following form: 134 134 135 -(% style="width:763.294px" %) 136 -|(% style="width:252px" %)**CL_ISO_ALPHA2**|(% style="width:508px" %)**CL_ISO_ALPHA3** 137 -|(% style="width:252px" %)AF|(% style="width:508px" %)AFG 138 -|(% style="width:252px" %)AL|(% style="width:508px" %)ALB 139 -|(% style="width:252px" %)DZ|(% style="width:508px" %)DZA 140 -|(% style="width:252px" %)AS|(% style="width:508px" %)ASM 141 -|(% style="width:252px" %)AD|(% style="width:508px" %)AND 142 -|(% style="width:252px" %)etc…|(% style="width:508px" %) 135 +|CL_ISO_ALPHA2|CL_ISO_ALPHA3 136 +|AF|AFG 137 +|AL|ALB 138 +|DZ|DZA 139 +|AS|ASM 140 +|AD|AND 141 +|etc…| 143 143 144 144 A Representation Map mapping free text country names to an ISO 2-character Codelist could be similarly described: 145 145 146 -(% style="width:770.294px" %) 147 -|(% style="width:247px" %)**Text**|(% style="width:520px" %)**CL_ISO_ALPHA2** 148 -|(% style="width:247px" %)"Germany"|(% style="width:520px" %)DE 149 -|(% style="width:247px" %)"France"|(% style="width:520px" %)FR 150 -|(% style="width:247px" %)"United Kingdom"|(% style="width:520px" %)GB 151 -|(% style="width:247px" %)"Great Britain"|(% style="width:520px" %)GB 152 -|(% style="width:247px" %)"Ireland"|(% style="width:520px" %)IE 153 -|(% style="width:247px" %)"Eire"|(% style="width:520px" %)IE 154 -|(% style="width:247px" %)etc…|(% style="width:520px" %) 145 +|Text|CL_ISO_ALPHA2 146 +|"Germany"|DE 147 +|"France"|FR 148 +|"United Kingdom"|GB 149 +|"Great Britain"|GB 150 +|"Ireland"|IE 151 +|"Eire"|IE 152 +|etc…| 155 155 156 156 Valuelists, introduced in SDMX 3.0, are equivalent to Codelists but allow the maintenance of non-SDMX identifiers. Importantly, their IDs do not need to conform to IDType, but as a consequence are not Identifiable. 157 157 ... ... @@ -159,11 +159,10 @@ 159 159 160 160 In common with Codelists, each item in a Valuelist has a multilingual name giving it a human-readable label and an optional description. For example: 161 161 162 -(% style="width:780.294px" %) 163 -|(% style="width:126px" %)**Value**|(% style="width:153px" %)**Locale**|(% style="width:498px" %)**Name** 164 -|(% style="width:126px" %)$|(% style="width:153px" %)en|(% style="width:498px" %)United States Dollar 165 -|(% style="width:126px" %)%|(% style="width:153px" %)En|(% style="width:498px" %)Percentage 166 -|(% style="width:126px" %) |(% style="width:153px" %)fr|(% style="width:498px" %)Pourcentage 160 +|Value|Locale|Name 161 +|$|en|United States Dollar 162 +|%|En|Percentage 163 +| |fr|Pourcentage 167 167 168 168 Other characteristics of Representation Maps: 169 169 ... ... @@ -187,31 +187,30 @@ 187 187 188 188 Below is an example set of regular expression rules for a particular component. 189 189 190 -(% style="width:708.294px" %) 191 -|(% style="width:133px" %)**Regex**|(% style="width:377px" %)**Description**|(% style="width:194px" %)**Output** 192 -|(% style="width:133px" %)A|(% style="width:377px" %)Rule match if input = 'A'|(% style="width:194px" %)OUT_A 193 -|(% style="width:133px" %)^[A-G]|(% style="width:377px" %)Rule match if the input starts with letters A to G|(% style="width:194px" %)OUT_B 194 -|(% style="width:133px" %)A~|B|(% style="width:377px" %)Rule match if input is either 'A' or 'B'|(% style="width:194px" %)OUT_C 187 +|Regex|Description|Output 188 +|A|Rule match if input = 'A'|OUT_A 189 +|^[A-G]|Rule match if the input starts with letters A to G|OUT_B 190 +|A~|B|Rule match if input is either 'A' or 'B'|OUT_C 195 195 196 196 Like all mapping rules, the output is either a Code, a Value or free text depending on the representation of the Component in the target Data Structure Definition. 197 197 198 198 If the regular expression contains capture groups, these can be used in the definition of the output value, by specifying \//**n** //as an output value where //**n**// is the number of the capture group starting from 1. For example 199 199 200 -(% style="width:720.294px" %) 201 -|(% style="width:199px" %)**Regex**|(% style="width:126px" %)**Target output**|(% style="width:192px" %)**Example Input**|(% style="width:200px" %)**Example Output** 202 -|(% style="width:199px" %)((( 203 -([0-9]{4})[0-9]([0-9]{1}) 204 -)))|(% style="width:126px" %)\1-Q\2|(% style="width:192px" %)200933|(% style="width:200px" %)2009-Q3 196 +|Regex|Target output|Example Input|Example Output 197 +|((( 198 +([0-9]{4})[0- 205 205 200 +9]([0-9]{1}) 201 +)))|\1-Q\2|200933|2009-Q3 202 + 206 206 As regular expression rules can be used as a general catch-all if nothing else matches, the ordering of the rules is important. Rules should be tested starting with the highest priority, moving down the list until a match is found. 207 207 208 208 The following example shows this: 209 209 210 -(% style="width:725.294px" %) 211 -|(% style="width:198px" %)**Priority**|(% style="width:148px" %)**Regex**|(% style="width:212px" %)**Description**|(% style="width:164px" %)**Output** 212 -|(% style="width:198px" %)1|(% style="width:148px" %)A|(% style="width:212px" %)Rule match if input = 'A'|(% style="width:164px" %)OUT_A 213 -|(% style="width:198px" %)2|(% style="width:148px" %)B|(% style="width:212px" %)Rule match if input = 'B'|(% style="width:164px" %)OUT_B 214 -|(% style="width:198px" %)3|(% style="width:148px" %)[A-Z]|(% style="width:212px" %)Any character A-Z|(% style="width:164px" %)OUT_C 207 +|Priority|Regex|Description|Output 208 +|1|A|Rule match if input = 'A'|OUT_A 209 +|2|B|Rule match if input = 'B'|OUT_B 210 +|3|[A-Z]|Any character A-Z|OUT_C 215 215 216 216 The input 'A' matches both the first and the last rule, but the first takes precedence having the higher priority. The output is OUT_A. 217 217 ... ... @@ -223,10 +223,9 @@ 223 223 224 224 For instance: 225 225 226 -(% style="width:742.294px" %) 227 -|(% style="width:191px" %)**Input String**|(% style="width:154px" %)**Start**|(% style="width:211px" %)**Length**|(% style="width:182px" %)**Output** 228 -|(% style="width:191px" %)ABC_DEF_XYZ|(% style="width:154px" %)5|(% style="width:211px" %)3|(% style="width:182px" %)DEF 229 -|(% style="width:191px" %)XULADS|(% style="width:154px" %)1|(% style="width:211px" %)2|(% style="width:182px" %)XU 222 +|Input String|Start|Length|Output 223 +|ABC_DEF_XYZ|5|3|DEF 224 +|XULADS|1|2|XU 230 230 231 231 Sub-strings can therefore be used for the conceptual rule //If starts with 'XU' map to Y// as shown in the following example: 232 232