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https://issues.apache.org/jira/browse/SOLR-10894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17065773#comment-17065773
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Christian Spitzlay commented on SOLR-10894:
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Now (>= 8.5) backticks are possible as quote character for phrases. Does that
mean there now is a change to the way double quotes are to be escaped inside
the search term?
> Streaming expressions handling of escaped special characters bug
> ----------------------------------------------------------------
>
> Key: SOLR-10894
> URL: https://issues.apache.org/jira/browse/SOLR-10894
> Project: Solr
> Issue Type: Bug
> Components: streaming expressions
> Reporter: Houston Putman
> Priority: Major
> Attachments: SOLR-10894.patch
>
>
> Streaming expressions expect all special characters in named parameter values
> to be singly escaped. Since queries can contain strings surrounded by double
> quotes, double-escaping is necessary.
> Given the following query:
> {{summary:"\"This is a summary\"\+"}}
> A streaming expression would require surrounding the query with double
> quotes, therefore every special character in the query should be escaped:
> {{select(collection,q="\"\\\"This is a summary\\\"\\\+\"",....)}}
> Streaming expressions should unescape the strings contained within double
> quotes, however currently they are only unescaping {{\" -> "}}. Therefore it
> is impossible to query for text fields containing double quotes. Also other
> special characters are not unescaped; this inconsistency causes confusion.
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