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Subject: [OASIS Issue Tracker] Updated: (ODATA-345) Specify which nested query options can be used when expanding only references, and adapt syntax
[ http://tools.oasis-open.org/issues/browse/ODATA-345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ralf Handl updated ODATA-345: ----------------------------- Proposal: Change syntax to $epand=NavProp/$ref(<nested options>) and define a different set following $ref than the one directly following the navigation property: expand = '$expand' EQ expandItem *( COMMA expandItem ) expandItem = [ qualifiedEntityTypeName "/" ] navigationProperty [ "/" qualifiedEntityTypeName ] [ ref OPEN expandRefOption *( SEMI expandRefOption ) CLOSE / OPEN expandOption *( SEMI expandOption ) CLOSE ] expandRefOption = filter / search / skip / top / inlinecount expandOption = expandRefOption / select / orderby / expand / levels Rationale: we now express in the ABNF what is meaningful and thus allowed after /$ref. Also this allows parsing from left to right. And putting /$ref before the parens makes it a bit more obvious. Just try reading $expand=Items($filter=something very complicated and lengthy and I'll only tell you afterwards that I only want)/$ref&andsoon was: Change syntax to $epand=NavProp/$ref(<nested options>) and define a different set following $ref than the one directly following the navigation property Rationale: this allows parsing from left to right. The current positioning of NavProp(...)/$ref makes that impossible, and is hard to read anyway. > Specify which nested query options can be used when expanding only references, and adapt syntax > ----------------------------------------------------------------------------------------------- > > Key: ODATA-345 > URL: http://tools.oasis-open.org/issues/browse/ODATA-345 > Project: OASIS Open Data Protocol (OData) TC > Issue Type: Bug > Components: OData ABNF Construction Rules, OData Protocol , OData URL Conventions > Affects Versions: V4.0_WD01 > Environment: [Proposed] > Reporter: Ralf Handl > Fix For: V4.0_WD01 > > > $expand allows nesting query options after the name of the navigation properties to be expanded. > When expanding only references $select, $expand, and $levels don't make sense as neither structural nor navigation properties are represented in references. -- 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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