[OASIS Issue Tracker] Commented: (CMIS-660) Clarification needed onthe use of quotes in a CONTAINS() query to search on phrases

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    [ http://tools.oasis-open.org/issues/browse/CMIS-660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=23790#action_23790 ] 

Ryan McVeigh commented on CMIS-660:
-----------------------------------

Isn't it a substantive change?

> 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
>            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" ')

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