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

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

Clarification needed on the use of quotes in a CONTAINS() query to search on phrases
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                 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" ')


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