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https://issues.apache.org/jira/browse/SOLR-2996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589443#comment-13589443
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Jan Høydahl commented on SOLR-2996:
-----------------------------------
Hmm
{noformat}
lap:parser janhoy$ javacc QueryParser.jj
Java Compiler Compiler Version 5.0 (Parser Generator)
(type "javacc" with no arguments for help)
Reading from file QueryParser.jj . . .
org.javacc.parser.ParseException: Encountered " "}" "} "" at line 198, column
84.
Was expecting one of:
"instanceof" ...
";" ...
"<" ...
(snip)
"(" ...
{noformat}
Line 198 is the new <STAR>... line
> make "q=*" not suck in the lucene and edismax parsers
> -----------------------------------------------------
>
> Key: SOLR-2996
> URL: https://issues.apache.org/jira/browse/SOLR-2996
> Project: Solr
> Issue Type: Improvement
> Components: query parsers
> Reporter: Hoss Man
>
> More then a few users have gotten burned by thinking that "{{\*}}" is the
> appropriate syntax for "match all docs" when what it really does (unless i'm
> mistaken) is create a prefix query on the default search field using a blank
> string as the prefix.
> since it seems very unlikely that anyone has a genuine usecase for making a
> prefix query with a blank prefix, we should change the default behavior of
> the LuceneQParser and EDismaxQParsers (and any other Qparsers that respect
> {{\*:\*}} if i'm forgetting them) to treat this situation the same as
> {{\*:\*}}. we can offer a (local)param to force the old behavior if someone
> really wants it.
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