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Subject: [OASIS Issue Tracker] Commented: (ODATA-256) Simplify numeric data types
[ http://tools.oasis-open.org/issues/browse/ODATA-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32394#action_32394 ] Evan Ireland commented on ODATA-256: ------------------------------------ In the SAP enterprise mobility space, we took a simple subset of XML schema types that has proven to be quite sufficient: byte (signed) short (Int16) int (Int32) long (int64) integer ("lots" of digits, but no fraction) decimal ("lots" of digits) float double With this set of 8 types, we have had sucess in interopating across multiple client platforms (Java ME, Java SE, Windows CE, iOS) and I have not heard any reports of "missing" types causing any difficulty. I recommend caution with any proposal to introduce quad precision binary floating point, or even decimal floating point for that matter. I do not believe that the support is there for such types across a sufficient number of the client types that may need to interoperate with OData services. > Simplify numeric data types > --------------------------- > > Key: ODATA-256 > URL: http://tools.oasis-open.org/issues/browse/ODATA-256 > Project: OASIS Open Data Protocol (OData) TC > Issue Type: Improvement > Components: OData CSDL v1.0 > Affects Versions: WD01 > Reporter: Ralf Handl > Fix For: WD01 > > > Computer history has provided us with a growing number of numeric data types, and quite a few of them are reflected in Edm primitive types. > Integer types: > - Byte (0..2^8) > - SByte > - Int16 > - Int32 > - Int64 > - Decimal Scale=0 > Fixed-point types > - Decimal --> not sure yet if this is fixed or floating point, see ODATA-76 > Floating-point types > - Decimal --> not sure yet if this is fixed or floating point, see ODATA-76 > - Single > - Double > Missing numeric types > - Quadruple == binary128 > - DECFLOAT in various lengths -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://tools.oasis-open.org/issues/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
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