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Last modified by Helena on 2025/09/10 11:19
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edited by Helena
on 2025/05/15 15:48
Change comment: Changed document title to [14 ANNEX Semantic Versioning].

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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 += 14 ANNEX Semantic Versioning =
4 4  
5 5  == 14.1 Introduction to Semantic Versioning ==
6 6  
... ... @@ -8,9 +8,9 @@
8 8  
9 9  In systems with many dependencies, releasing new artefact versions can quickly become a nightmare. If the dependency specifications are too tight, you are in danger of version lock (the inability to upgrade an artefact without having to release new versions of every dependent artefact). If dependencies are specified too loosely, you will inevitably be bitten by version promiscuity (assuming compatibility with more future versions than is reasonable). Dependency hell is where you are when version lock and/or version promiscuity prevent you from easily and safely moving your data modelling forward.
10 10  
11 -As a very successful solution to the similar problem in software development, "Semantic Versioning" [[__semver.org__>>https://semver.org/]] proposes a simple set of rules and requirements that dictate how version numbers are assigned and incremented. These rules make also perfect sense in the world of versioned data modelling and help to solve the "dependency hell" encountered with previous versions of SDMX. SDMX 3.0 applies thus the Semantic Versioning rules on all versioned SDMX artefacts. Once you release a versioned SDMX artefact, you communicate changes to it with specific increments to your version number.
9 +As a very successful solution to the similar problem in software development, "Semantic Versioning" [[__semver.org__>>url:http://semver.org/]][[ >>url:http://semver.org/]]proposes a simple set of rules and requirements that dictate how version numbers are assigned and incremented. These rules make also perfect sense in the world of versioned data modelling and help to solve the "dependency hell" encountered with previous versions of SDMX. SDMX 3.0 applies thus the Semantic Versioning rules on all versioned SDMX artefacts. Once you release a versioned SDMX artefact, you communicate changes to it with specific increments to your version number.
12 12  
13 -**This SDMX 3.0(.0) specification inherits the original **[[__**semver.org**__>>https://xwiki:semver.org]]** 2.0.0 wording (license: [[__Creative Commons - CC BY 3.0__>>https://creativecommons.org/licenses/by/3.0/]]) and applies it to versioned SDMX structural artefacts.** Under this scheme, version numbers and the way they change convey meaning about the underlying data structures and what has been modified from one version to the next.
11 +**This SDMX 3.0(.0) specification inherits the original **[[__**semver.org**__>>url:https://semver.org/]]**[[ >>url:https://semver.org/]]2.0.0 wording (license: __[[Creative Commons >>url:http://creativecommons.org/licenses/by/3.0/]][[- >>url:http://creativecommons.org/licenses/by/3.0/]][[CC BY 3.0>>url:http://creativecommons.org/licenses/by/3.0/]]__[[)>>url:http://creativecommons.org/licenses/by/3.0/]] and applies it to versioned SDMX structural artefacts.** Under this scheme, version numbers and the way they change convey meaning about the underlying data structures and what has been modified from one version to the next.
14 14  
15 15  == 14.2 Semantic Versioning Specification for SDMX 3.0(.0) ==
16 16  
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45 45  
46 46  == 14.3 Backus–Naur Form Grammar for Valid SDMX 3.0(.0) Semantic Versions ==
47 47  
46 +|(((
47 +**<valid semver> ::= <version core>**
48 48  
49 +**| <version core> "-" <extension>**
50 +
51 +**<version core> ::= <major> "." <minor> "." <patch>**
52 +
53 +**<major> ::= <numeric identifier>**
54 +
55 +**<minor> ::= <numeric identifier>**
56 +
57 +**<patch> ::= <numeric identifier>**
58 +
59 +**<extension> ::= <dot-separated extension identifiers>**
60 +
61 +**<dot-separated extension identifiers> ::= <extension identifier>**
62 +
63 +**| <extension identifier> "." <dotseparated extension identifiers>**
64 +
65 +**<extension identifier> ::= <alphanumeric identifier>**
66 +
67 +**| <numeric identifier>**
68 +
69 +**<alphanumeric identifier> ::= <non-digit>**
70 +
71 +**| <non-digit> <identifier characters>**
72 +
73 +**| <identifier characters> <non-digit>**
74 +
75 +**| <identifier characters> <non-digit> <identifier characters>**
76 +
77 +**<numeric identifier> ::= "0"**
78 +
79 +**| <positive digit>**
80 +
81 +**| <positive digit> <digits>**
82 +
83 +**<identifier characters> ::= <identifier character>**
84 +
85 +**| <identifier character> <identifier characters>**
86 +)))
87 +
88 +**<identifier character> ::= <digit>**
89 +
90 +**| <non-digit>**
91 +
92 +**<non-digit> ::= <letter>**
93 +
94 +**| "-"**
95 +
96 +**<digits> ::= <digit>**
97 +
98 +**| <digit> <digits>**
99 +
100 +**<digit> ::= "0"**
101 +
102 +**| <positive digit>**
103 +
104 +**<positive digit> ::= "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"**
105 +
106 +**<letter> ::= "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J"**
107 +
108 +**| "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T"**
109 +
110 +**| "U" | "V" | "W" | "X" | "Y" | "Z" | "a" | "b" | "c" | "d"**
111 +
112 +**| "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n"**
113 +
114 +**| "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x"**
115 +
116 +**| "y" | "z"**
117 +
49 49  == 14.4 Dependency Management in SDMX 3.0(.0): ==
50 50  
51 51  MAJOR, MINOR or PATCH version parts in SDMX 3.0 artefact references CAN be wildcarded using "+" as extension:
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157 157  
158 158  One with named groups for those systems that support them (PCRE [Perl Compatible Regular Expressions, i.e. Perl, PHP and R], Python and Go).
159 159  
160 -Reduced version (without original SemVer "build metadata") from: [[__https:~~/~~/regex101.com/r/Ly7O1x/3/__https:~~/~~/regex101.com/r/Ly7O1x/3/>>https://https:regex101.comrLy7O1x3https:regex101.comrLy7O1x3]]
229 +Reduced version (without original SemVer "build metadata") from: [[__https:~~/~~/regex101.com/r/Ly7O1x/3/__>>url:https://regex101.com/r/Ly7O1x/3/]][[url:https://regex101.com/r/Ly7O1x/3/]]
161 161  
162 162  ^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-
163 163  
... ... @@ -167,7 +167,7 @@
167 167  
168 168  And one with numbered capture groups instead (so cg1 = major, cg2 = minor, cg3 = patch and cg4 = extension) that is compatible with ECMA Script (JavaScript), PCRE (Perl Compatible Regular Expressions, i.e. Perl, PHP and R), Python and Go.
169 169  
170 -Reduced version (without original SemVer "build metadata") from: [[__https:~~/~~/regex101.com/r/vkijKf/1/__https:~~/~~/regex101.com/r/vkijKf/1/>>https://https:regex101.comrvkijKf1https:regex101.comrvkijKf1]]
239 +Reduced version (without original SemVer "build metadata") from: [[__https:~~/~~/regex101.com/r/vkijKf/1/__>>url:https://regex101.com/r/vkijKf/1/]][[url:https://regex101.com/r/vkijKf/1/]]
171 171  
172 172  ^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-
173 173