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Subject: Re: [wsbpel] Issue 305
Mark, If this entails less changes and is a viable solution, +1. > ford: As we discussed this specification internally it became clear > that the main difference between queries and expressions is that > queries have a context while expressions do not. One way of achieving > this is to remove queryLanguage from the process altogether. This is > how the issue was originally framed in the issue description. > > Another way of achieving this same goal but with fewer changes would > be to restore the query option in the <from> and <to> variants that > had queries with a variable as the context. > > Therefore, I propose the following to restore the distinction between > queries and expressions: > > 1. Change existing <to> query variant to match existing <from> > expression variant. > > *<to expressionLanguage=”expr-lang”>expr</to>* > > 2. restore the query option in the <from> and <to> that take > variables and have them look and behave the same as > propertyAlias queries > > *<from variable=”BPELVariableName” part=”NCName”?>* > > * <query queryLanguage=”query-lang”?>?* > > *query-exp* > > * </query>* > > *</from>* > > * * > > *<to variable=”BPELVariableName” part=”NCName”?>* > > * <query queryLanguage=”query-lang”?>?* > > * query-exp* > > * </query>* > > *</to>* > > I appreciate any feedback on this issue before I embark on submitting > a formal proposal. The proposal will include the current version of > the spec with only the edits for this issue appearing as changes. > > Thanks >
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