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edited by Helena
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... ... @@ -543,8 +543,6 @@
543 543  
544 544  The VTL basic scalar types are listed below and follow a hierarchical structure in terms of supersets/subsets (e.g. "scalar" is the superset of all the basic scalar types):
545 545  
546 -[[image:1750070310572-584.png]]
547 -
548 548  **Figure 23 – VTL Basic Scalar Types**
549 549  
550 550  === 12.4.2 VTL basic scalar types and SDMX data types ===
... ... @@ -569,157 +569,158 @@
569 569  
570 570  The following table describes the default mapping for converting from the SDMX data types to the VTL basic scalar types.
571 571  
572 -(% style="width:583.294px" %)
573 -|(% style="width:360px" %)SDMX data type (BasicComponentDataType)|(% style="width:221px" %)Default VTL basic scalar type
574 -|(% style="width:360px" %)(((
570 +|SDMX data type (BasicComponentDataType)|Default VTL basic scalar type
571 +|(((
575 575  String
576 576  (string allowing any character)
577 -)))|(% style="width:221px" %)string
578 -|(% style="width:360px" %)(((
579 -Alpha
574 +)))|string
575 +|(((
576 +Alpha 
577 +
580 580  (string which only allows A-z)
581 -)))|(% style="width:221px" %)string
582 -|(% style="width:360px" %)(((
579 +)))|string
580 +|(((
583 583  AlphaNumeric
584 584  (string which only allows A-z and 0-9)
585 -)))|(% style="width:221px" %)string
586 -|(% style="width:360px" %)(((
583 +)))|string
584 +|(((
587 587  Numeric
586 +
588 588  (string which only allows 0-9, but is not numeric so that is can having leading zeros)
589 -)))|(% style="width:221px" %)string
590 -|(% style="width:360px" %)(((
588 +)))|string
589 +|(((
591 591  BigInteger
592 592  (corresponds to XML Schema xs:integer datatype; infinite set of integer values)
593 -)))|(% style="width:221px" %)integer
594 -|(% style="width:360px" %)(((
592 +)))|integer
593 +|(((
595 595  Integer
596 596  (corresponds to XML Schema xs:int datatype; between -2147483648 and +2147483647
597 597  (inclusive))
598 -)))|(% style="width:221px" %)integer
599 -|(% style="width:360px" %)(((
597 +)))|integer
598 +|(((
600 600  Long
601 601  (corresponds to XML Schema xs:long datatype; between -9223372036854775808 and
602 602  +9223372036854775807 (inclusive))
603 -)))|(% style="width:221px" %)integer
604 -|(% style="width:360px" %)(((
602 +)))|integer
603 +|(((
605 605  Short
606 606  (corresponds to XML Schema xs:short datatype; between -32768 and -32767 (inclusive))
607 -)))|(% style="width:221px" %)integer
608 -|(% style="width:360px" %)Decimal (corresponds to XML Schema xs:decimal datatype; subset of real numbers that can be represented as decimals)|(% style="width:221px" %)number
609 -|(% style="width:360px" %)(((
606 +)))|integer
607 +|Decimal (corresponds to XML Schema xs:decimal datatype; subset of real numbers that can be represented as decimals)|number
608 +|(((
610 610  Float
611 611  (corresponds to XML Schema xs:float datatype; patterned after the IEEE single-precision 32-bit floating point type)
612 -)))|(% style="width:221px" %)number
613 -|(% style="width:360px" %)(((
611 +)))|number
612 +|(((
614 614  Double
615 615  (corresponds to XML Schema xs:double datatype; patterned after the IEEE double-precision 64-bit floating point type)
616 -)))|(% style="width:221px" %)number
617 -|(% style="width:360px" %)(((
615 +)))|number
616 +|(((
618 618  Boolean
619 619  (corresponds to the XML Schema xs:boolean datatype; support the mathematical concept of
620 620  binary-valued logic: {true, false})
621 -)))|(% style="width:221px" %)boolean
622 -|(% style="width:360px" %)(((
620 +)))|boolean
621 +|(((
623 623  URI
624 624  (corresponds to the XML Schema xs:anyURI; absolute or relative Uniform Resource Identifier Reference)
625 -)))|(% style="width:221px" %)string
626 -|(% style="width:360px" %)(((
624 +)))|string
625 +|(((
627 627  Count
628 628  (an integer following a sequential pattern, increasing by 1 for each occurrence)
629 -)))|(% style="width:221px" %)integer
630 -|(% style="width:360px" %)(((
628 +)))|integer
629 +|(((
631 631  InclusiveValueRange
632 632  (decimal number within a closed interval, whose bounds are specified in the SDMX representation by the facets minValue and maxValue)
633 -)))|(% style="width:221px" %)number
634 -|(% style="width:360px" %)(((
632 +)))|number
633 +|(((
635 635  ExclusiveValueRange
636 636  (decimal number within an open interval, whose bounds are specified in the SDMX representation by the facets minValue and maxValue)
637 -)))|(% style="width:221px" %)number
638 -|(% style="width:360px" %)(((
636 +)))|number
637 +|(((
639 639  Incremental
640 640  (decimal number the increased by a specific interval (defined by the interval facet), which is typically enforced outside of the XML validation)
641 -)))|(% style="width:221px" %)number
642 -|(% style="width:360px" %)(((
640 +)))|number
641 +|(((
643 643  ObservationalTimePeriod
644 644  (superset of StandardTimePeriod and TimeRange)
645 -)))|(% style="width:221px" %)time
646 -|(% style="width:360px" %)(((
644 +)))|time
645 +|(((
647 647  StandardTimePeriod
648 648  (superset of BasicTimePeriod and ReportingTimePeriod)
649 -)))|(% style="width:221px" %)time
650 -|(% style="width:360px" %)(((
648 +)))|time
649 +|(((
651 651  BasicTimePeriod
652 652  (superset of GregorianTimePeriod and DateTime)
653 -)))|(% style="width:221px" %)date
654 -|(% style="width:360px" %)(((
652 +)))|date
653 +|(((
655 655  GregorianTimePeriod
656 656  (superset of GregorianYear, GregorianYearMonth, and GregorianDay)
657 -)))|(% style="width:221px" %)date
658 -|(% style="width:360px" %)GregorianYear (YYYY)|(% style="width:221px" %)date
659 -|(% style="width:360px" %)GregorianYearMonth / GregorianMonth (YYYY-MM)|(% style="width:221px" %)date
660 -|(% style="width:360px" %)GregorianDay (YYYY-MM-DD)|(% style="width:221px" %)date
661 -|(% style="width:360px" %)(((
656 +)))|date
657 +|GregorianYear (YYYY)|date
658 +|GregorianYearMonth / GregorianMonth (YYYY-MM)|date
659 +|GregorianDay (YYYY-MM-DD)|date
660 +|(((
662 662  ReportingTimePeriod
663 663  (superset of RepostingYear, ReportingSemester, ReportingTrimester, ReportingQuarter, ReportingMonth, ReportingWeek, ReportingDay)
664 -)))|(% style="width:221px" %)time_period
665 -|(% style="width:360px" %)(((
663 +)))|time_period
664 +|(((
666 666  ReportingYear
667 667  (YYYY-A1 – 1 year period)
668 -)))|(% style="width:221px" %)time_period
669 -|(% style="width:360px" %)(((
667 +)))|time_period
668 +|(((
670 670  ReportingSemester
671 671  (YYYY-Ss – 6 month period)
672 -)))|(% style="width:221px" %)time_period
673 -|(% style="width:360px" %)(((
671 +)))|time_period
672 +|(((
674 674  ReportingTrimester
675 675  (YYYY-Tt – 4 month period)
676 -)))|(% style="width:221px" %)time_period
677 -|(% style="width:360px" %)(((
675 +)))|time_period
676 +|(((
678 678  ReportingQuarter
679 679  (YYYY-Qq – 3 month period)
680 -)))|(% style="width:221px" %)time_period
681 -|(% style="width:360px" %)(((
679 +)))|time_period
680 +|(((
682 682  ReportingMonth
683 683  (YYYY-Mmm – 1 month period)
684 -)))|(% style="width:221px" %)time_period
685 -|(% style="width:360px" %)ReportingWeek|(% style="width:221px" %)time_period
686 -|(% style="width:360px" %) (YYYY-Www – 7 day period; following ISO 8601 definition of a week in a year)|(% style="width:221px" %)
687 -|(% style="width:360px" %)(((
683 +)))|time_period
684 +|ReportingWeek|time_period
685 +| (YYYY-Www – 7 day period; following ISO 8601 definition of a week in a year)|
686 +|(((
688 688  ReportingDay
689 689  (YYYY-Dddd – 1 day period)
690 -)))|(% style="width:221px" %)time_period
691 -|(% style="width:360px" %)(((
689 +)))|time_period
690 +|(((
692 692  DateTime
693 693  (YYYY-MM-DDThh:mm:ss)
694 -)))|(% style="width:221px" %)date
695 -|(% style="width:360px" %)(((
693 +)))|date
694 +|(((
696 696  TimeRange
697 697  (YYYY-MM-DD(Thh:mm:ss)?/<duration>)
698 -)))|(% style="width:221px" %)time
699 -|(% style="width:360px" %)(((
697 +)))|time
698 +|(((
700 700  Month
701 701  (~-~-MM; speicifies a month independent of a year; e.g. February is black history month in the United States)
702 -)))|(% style="width:221px" %)string
703 -|(% style="width:360px" %)(((
701 +)))|string
702 +|(((
704 704  MonthDay
705 705  (~-~-MM-DD; specifies a day within a month independent of a year; e.g. Christmas is December 25^^th^^; used to specify reporting year start day)
706 -)))|(% style="width:221px" %)string
707 -|(% style="width:360px" %)(((
705 +)))|string
706 +|(((
708 708  Day
709 709  (~-~--DD; specifies a day independent of a month or year; e.g. the 15^^th^^ is payday)
710 -)))|(% style="width:221px" %)string
711 -|(% style="width:360px" %)(((
709 +)))|string
710 +|(((
712 712  Time
713 713  (hh:mm:ss; time independent of a date; e.g. coffee break is at 10:00 AM)
714 -)))|(% style="width:221px" %)string
715 -|(% style="width:360px" %)(((
713 +)))|string
714 +|(((
716 716  Duration
717 717  (corresponds to XML Schema xs:duration datatype)
718 -)))|(% style="width:221px" %)duration
719 -|(% style="width:360px" %)XHTML|(% style="width:221px" %)Metadata type – not applicable
720 -|(% style="width:360px" %)KeyValues|(% style="width:221px" %)Metadata type – not applicable
721 -|(% style="width:360px" %)IdentifiableReference|(% style="width:221px" %)Metadata type – not applicable
722 -|(% style="width:360px" %)DataSetReference|(% style="width:221px" %)Metadata type – not applicable
717 +)))|duration
718 +|XHTML|Metadata type – not applicable
719 +|KeyValues|Metadata type – not applicable
720 +|IdentifiableReference|Metadata type – not applicable
721 +|DataSetReference|Metadata type – not applicable
723 723  
724 724  **Figure 14 – Mappings from SDMX data types to VTL Basic Scalar Types**
725 725  
... ... @@ -729,82 +729,84 @@
729 729  
730 730  The following table describes the default conversion from the VTL basic scalar types to the SDMX data types .
731 731  
732 -(% style="width:748.294px" %)
733 -|(% style="width:164px" %)(((
734 -VTL basic scalar type
735 -)))|(% style="width:304px" %)(((
731 +|(((
732 +VTL basic
733 +scalar type
734 +)))|(((
736 736  Default SDMX data type
737 -(BasicComponentDataType)
738 -)))|(% style="width:277px" %)Default output format
739 -|(% style="width:164px" %)String|(% style="width:304px" %)String|(% style="width:277px" %)Like XML (xs:string)
740 -|(% style="width:164px" %)Number|(% style="width:304px" %)Float|(% style="width:277px" %)Like XML (xs:float)
741 -|(% style="width:164px" %)Integer|(% style="width:304px" %)Integer|(% style="width:277px" %)Like XML (xs:int)
742 -|(% style="width:164px" %)Date|(% style="width:304px" %)DateTime|(% style="width:277px" %)YYYY-MM-DDT00:00:00Z
743 -|(% style="width:164px" %)Time|(% style="width:304px" %)StandardTimePeriod|(% style="width:277px" %)<date>/<date> (as defined above)
744 -|(% style="width:164px" %)time_period|(% style="width:304px" %)(((
736 +(BasicComponentDataType
737 +)
738 +)))|Default output format
739 +|String|String|Like XML (xs:string)
740 +|Number|Float|Like XML (xs:float)
741 +|Integer|Integer|Like XML (xs:int)
742 +|Date|DateTime|YYYY-MM-DDT00:00:00Z
743 +|Time|StandardTimePeriod|<date>/<date> (as defined above)
744 +|time_period|(((
745 745  ReportingTimePeriod
746 746  (StandardReportingPeriod)
747 -)))|(% style="width:277px" %)(((
747 +)))|(((
748 748   YYYY-Pppp
749 749  (according to SDMX )
750 750  )))
751 -|(% style="width:164px" %)Duration|(% style="width:304px" %)Duration|(% style="width:277px" %)Like XML (xs:duration) PnYnMnDTnHnMnS
752 -|(% style="width:164px" %)Boolean|(% style="width:304px" %)Boolean|(% style="width:277px" %)Like XML (xs:boolean) with the values "true" or "false"
751 +|Duration|Duration|Like XML (xs:duration) PnYnMnDTnHnMnS
752 +|Boolean|Boolean|Like XML (xs:boolean) with the values "true" or "false"
753 753  
754 754  **Figure 14 – Mappings from SDMX data types to VTL Basic Scalar Types**
755 755  
756 -In case a different default conversion is desired, it can be achieved through the CustomTypeScheme and CustomType artefacts (see also the section Transformations and Expressions of the SDMX information model).
756 +In case a different default conversion is desired, it can be achieved through the CustomTypeScheme and CustomType artefacts (see also the section
757 757  
758 +Transformations and Expressions of the SDMX information model).
759 +
758 758  The custom output formats can be specified by means of the VTL formatting mask described in the section "Type Conversion and Formatting Mask" of the VTL Reference Manual. Such a section describes the masks for the VTL basic scalar types "number", "integer", "date", "time", "time_period" and "duration" and gives examples. As for the types "string" and "boolean" the VTL conventions are extended with some other special characters as described in the following table.
759 759  
760 -(% style="width:717.294px" %)
761 -|(% colspan="2" style="width:714px" %)VTL special characters for the formatting masks
762 -|(% colspan="2" style="width:714px" %)
763 -|(% colspan="2" style="width:714px" %)Number
764 -|(% style="width:122px" %)D|(% style="width:591px" %)one numeric digit (if the scientific notation is adopted, D is only for the mantissa)
765 -|(% style="width:122px" %)E|(% style="width:591px" %)one numeric digit (for the exponent of the scientific notation)
766 -|(% style="width:122px" %). (dot)|(% style="width:591px" %)possible separator between the integer and the decimal parts.
767 -|(% style="width:122px" %), (comma)|(% style="width:591px" %)possible separator between the integer and the decimal parts.
768 -|(% style="width:122px" %) |(% style="width:591px" %)
769 -|(% colspan="2" style="width:714px" %)Time and duration
770 -|(% style="width:122px" %)C|(% style="width:591px" %)century
771 -|(% style="width:122px" %)Y|(% style="width:591px" %)year
772 -|(% style="width:122px" %)S|(% style="width:591px" %)semester
773 -|(% style="width:122px" %)Q|(% style="width:591px" %)quarter
774 -|(% style="width:122px" %)M|(% style="width:591px" %)month
775 -|(% style="width:122px" %)W|(% style="width:591px" %)week
776 -|(% style="width:122px" %)D|(% style="width:591px" %)day
777 -|(% style="width:122px" %)h|(% style="width:591px" %)hour digit (by default on 24 hours)
778 -|(% style="width:122px" %)M|(% style="width:591px" %)minute
779 -|(% style="width:122px" %)S|(% style="width:591px" %)second
780 -|(% style="width:122px" %)D|(% style="width:591px" %)decimal of second
781 -|(% style="width:122px" %)P|(% style="width:591px" %)period indicator (representation in one digit for the duration)
782 -|(% style="width:122px" %)P|(% style="width:591px" %)number of the periods specified in the period indicator
783 -|(% style="width:122px" %)AM/PM|(% style="width:591px" %)indicator of AM / PM (e.g. am/pm for "am" or "pm")
784 -|(% style="width:122px" %)MONTH|(% style="width:591px" %)uppercase textual representation of the month (e.g., JANUARY for January)
785 -|(% style="width:122px" %)DAY|(% style="width:591px" %)uppercase textual representation of the day (e.g., MONDAY for Monday)
786 -|(% style="width:122px" %)Month|(% style="width:591px" %)lowercase textual representation of the month (e.g., january)
787 -|(% style="width:122px" %)Day|(% style="width:591px" %)lowercase textual representation of the month (e.g., monday)
788 -|(% style="width:122px" %)Month|(% style="width:591px" %)First character uppercase, then lowercase textual representation of the month (e.g., January)
789 -|(% style="width:122px" %)Day|(% style="width:591px" %)First character uppercase, then lowercase textual representation of the day using (e.g. Monday)
790 -|(% style="width:122px" %) |(% style="width:591px" %)
791 -|(% colspan="2" style="width:714px" %)String
792 -|(% style="width:122px" %)X|(% style="width:591px" %)any string character
793 -|(% style="width:122px" %)Z|(% style="width:591px" %)any string character from "A" to "z"
794 -|(% style="width:122px" %)9|(% style="width:591px" %)any string character from "0" to "9"
795 -|(% style="width:122px" %) |(% style="width:591px" %)
796 -|(% colspan="2" style="width:714px" %)Boolean
797 -|(% style="width:122px" %)B|(% style="width:591px" %)Boolean using "true" for True and "false" for False
798 -|(% style="width:122px" %)1|(% style="width:591px" %)Boolean using "1" for True and "0" for False
799 -|(% style="width:122px" %)0|(% style="width:591px" %)Boolean using "0" for True and "1" for False
800 -|(% style="width:122px" %) |(% style="width:591px" %)
801 -|(% colspan="2" style="width:714px" %)Other qualifiers
802 -|(% style="width:122px" %)*|(% style="width:591px" %)an arbitrary number of digits (of the preceding type)
803 -|(% style="width:122px" %)+|(% style="width:591px" %)at least one digit (of the preceding type)
804 -|(% style="width:122px" %)( )|(% style="width:591px" %)optional digits (specified within the brackets)
805 -|(% style="width:122px" %)\|(% style="width:591px" %)prefix for the special characters that must appear in the mask
806 -|(% style="width:122px" %)N|(% style="width:591px" %)fixed number of digits used in the preceding textual representation of the month or the day
807 -|(% style="width:122px" %) |(% style="width:591px" %)
762 +|(% colspan="2" %)VTL special characters for the formatting masks
763 +|(% colspan="2" %)
764 +|(% colspan="2" %)Number
765 +|D|one numeric digit (if the scientific notation is adopted, D is only for the mantissa)
766 +|E|one numeric digit (for the exponent of the scientific notation)
767 +|. (dot)|possible separator between the integer and the decimal parts.
768 +|, (comma)|possible separator between the integer and the decimal parts.
769 +| |
770 +|(% colspan="2" %)Time and duration
771 +|C|century
772 +|Y|year
773 +|S|semester
774 +|Q|quarter
775 +|M|month
776 +|W|week
777 +|D|day
778 +|h|hour digit (by default on 24 hours)
779 +|M|minute
780 +|S|second
781 +|D|decimal of second
782 +|P|period indicator (representation in one digit for the duration)
783 +|P|number of the periods specified in the period indicator
784 +|AM/PM|indicator of AM / PM (e.g. am/pm for "am" or "pm")
785 +|MONTH|uppercase textual representation of the month (e.g., JANUARY for January)
786 +|DAY|uppercase textual representation of the day (e.g., MONDAY for Monday)
787 +|Month|lowercase textual representation of the month (e.g., january)
788 +|Day|lowercase textual representation of the month (e.g., monday)
789 +|Month|First character uppercase, then lowercase textual representation of the month (e.g., January)
790 +|Day|First character uppercase, then lowercase textual representation of the day using (e.g. Monday)
791 +| |
792 +|(% colspan="2" %)String
793 +|X|any string character
794 +|Z|any string character from "A" to "z"
795 +|9|any string character from "0" to "9"
796 +| |
797 +|(% colspan="2" %)Boolean
798 +|B|Boolean using "true" for True and "false" for False
799 +|1|Boolean using "1" for True and "0" for False
800 +|0|Boolean using "0" for True and "1" for False
801 +| |
802 +|(% colspan="2" %)Other qualifiers
803 +|*|an arbitrary number of digits (of the preceding type)
804 +|+|at least one digit (of the preceding type)
805 +|( )|optional digits (specified within the brackets)
806 +|\|prefix for the special characters that must appear in the mask
807 +|N|fixed number of digits used in the preceding textual representation of the month or the day
808 +| |
808 808  
809 809  The default conversion, either standard or customized, can be used to deduce automatically the representation of the components of the result of a VTL Transformation. In alternative, the representation of the resulting SDMX Dataflow can be given explicitly by providing its DataStructureDefinition. In other words, the representation specified in the DSD, if available, overrides any default conversion{{footnote}}The representation given in the DSD should obviously be compatible with the VTL data type.{{/footnote}}.
810 810  
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