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Subject: [OASIS Issue Tracker] Commented: (CMIS-660) Clarification needed onthe use of quotes in a CONTAINS() query to search on phrases
[ http://tools.oasis-open.org/issues/browse/CMIS-660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20875#action_20875 ] David Choy commented on CMIS-660: --------------------------------- TC Resolution, 23 August 2010: - Use double quotes for phrase (the original proposal): accepted - Put quotes around each word: rejected (for lack of support) - Remove quotes around text-search-expression: rejected (to retain a degree of isolation from SQL syntax) - Character escape: re-examine escape rules to make sure a bug-free syntax for CMIS (avoid corrupting the hosting SQL statement) - Adopt a subset of Lucene syntax that is approximately equivalent to CMIS 1.0 fulltext capability: spin off a new issue for separate tracking; probably for v2.0 consideration > Clarification needed on the use of quotes in a CONTAINS() query to search on phrases > ------------------------------------------------------------------------------------ > > Key: CMIS-660 > URL: http://tools.oasis-open.org/issues/browse/CMIS-660 > Project: OASIS Content Management Interoperability Services (CMIS) TC > Issue Type: Improvement > Components: Domain Model > Affects Versions: Draft 0.70 > Reporter: Jane Doong > Assignee: Ethan Gur-esh > Priority: Minor > > Clarification needed on the use of quotes in a CONTAINS() query to search on phrases. > Spec: > 2575 BNF grammar structure:: CONTAINS ( [ <qualifier> ,] ' <text search expression> ' ) > 2413 <phrase> ::= <quote> <word> [ {<space> <word>} ... ] <quote> > 2422 <quote> ::= "'" !! Single-quote only, consistent with SQL-92 string literal > 2597 Within a word or phrase, each (single-)quote must also be escaped by a preceding backslash "\" > The spec specifically states that <quote> is single-quote only. > My questions is on specifying a phrase inside the CONTAINS(). > Since the entire text search expression is enclosed in single quotes, > I question whether a phrase should again be enclosed in single quotes, or should it be in double-quotes. > According to spec: > Word search: CONTAINS('house') > Phrase search : CONTAINS(' 'my house' ') > Should phrases be in double-quotes? ==> CONTAINS(' "my house" ') -- 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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