Re: xapian parser bug?

David Bremner <[email protected]> writes:

> Olly Betts <[email protected]> writes:
>
>>
>> FWIW, I also couldn't reproduce this (I tried with quest and 1.4.7):
>>
>> $ quest -psubject:S -fdefault,boolean_any_case 'subject:"and"'
>> Parsed Query: Query(Sand@1)
>>
>
> Ah, OK, it must have something to do with the way that notmuch is using
> field processors. And I see now that the following code (from
> lib/regexp-fields.cc) is probably related (at least it explains
> subject:" not" works)
>
>             if (str.find (' ') != std::string::npos)
> 		query_str = '"' + str + '"';
> 	    else
> 		query_str = str;
>
> 	    return parser.parse_query (query_str, NOTMUCH_QUERY_PARSER_FLAGS, term_prefix);

For the record, I have proposed a fix for notmuch (str is known to be
non-empty there). This will phrase quote by default, unless the string
looks like a wildcard query (without spaces).

diff --git a/lib/regexp-fields.cc b/lib/regexp-fields.cc
index 084bc8c0..52f30d82 100644
--- a/lib/regexp-fields.cc
+++ b/lib/regexp-fields.cc
@@ -194,7 +194,7 @@ RegexpFieldProcessor::operator() (const std::string & str)
             * phrase parsing, when possible */
            std::string query_str;
 
-           if (str.find (' ') != std::string::npos)
+           if (*str.rbegin () != '*' || str.find (' ') != std::string::npos)
                query_str = '"' + str + '"';
            else
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