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From "Philipp Bunge (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-2417) RepositoryException when using BindVariables in JCR-SQL2 CONTAINS
Date Wed, 02 Dec 2009 12:34:21 GMT

     [ https://issues.apache.org/jira/browse/JCR-2417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Philipp Bunge updated JCR-2417:

    Attachment: contains_with_bind_variable.patch

A suggested solution for the bug including a corresponding unittest.

> RepositoryException when using BindVariables in JCR-SQL2 CONTAINS
> -----------------------------------------------------------------
>                 Key: JCR-2417
>                 URL: https://issues.apache.org/jira/browse/JCR-2417
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: query
>    Affects Versions: 2.0-beta3
>            Reporter: Philipp Bunge
>         Attachments: contains_with_bind_variable.patch
> When using a BindVariable in a JCR-SQL2 CONTAINS constraint, the query fails with a RepositoryException.
> For example:
> String sql = "SELECT * FROM [nt:unstructured] WHERE ISCHILDNODE([/testroot]) AND CONTAINS(mytext,
> Query q = superuser.getWorkspace().getQueryManager().createQuery(sql, Query.JCR_SQL2);
> q.bindValue("searchExpression", superuser.getValueFactory().createValue("fox"));
> q.execute();
> Results in:
> javax.jcr.RepositoryException: Unknown static operand type: org.apache.jackrabbit.spi.commons.query.qom.BindVariableValueImpl@591a4d
>         at org.apache.jackrabbit.core.query.lucene.LuceneQueryFactoryImpl.create(LuceneQueryFactoryImpl.java:215)
>         at org.apache.jackrabbit.core.query.lucene.constraint.FullTextConstraint.<init>(FullTextConstraint.java:42)
>         at org.apache.jackrabbit.core.query.lucene.constraint.ConstraintBuilder$Visitor.visit(ConstraintBuilder.java:175)
>         at org.apache.jackrabbit.spi.commons.query.qom.FullTextSearchImpl.accept(FullTextSearchImpl.java:117)
>         at org.apache.jackrabbit.core.query.lucene.constraint.ConstraintBuilder$Visitor.visit(ConstraintBuilder.java:137)
>         at org.apache.jackrabbit.spi.commons.query.qom.AndImpl.accept(AndImpl.java:72)
>         at org.apache.jackrabbit.core.query.lucene.constraint.ConstraintBuilder.create(ConstraintBuilder.java:82)
>         at org.apache.jackrabbit.core.query.lucene.QueryObjectModelImpl.execute(QueryObjectModelImpl.java:109)
>         at org.apache.jackrabbit.core.query.QueryImpl.execute(QueryImpl.java:127)
> I tried to fix this issue but there is no way to access the BindVariables from the ConstraintBuilder
from the LuceneQueryFactoryImpl and the ConstraintBuilder just passes the FullTextSearchImpl
QOM subtree to the factory (via FullTextConstraint constructor) without any further visiting.
If the signature would be "LuceneQueryFactoryImpl#create(FullTextSearchImpl fts, Value searchExpression)"
we could visit the StaticOperand in the ConstraintBuilder and then modify the FullTextSearchImpl
constructor accordingly, but this would imply that LuceneQueryFactory interface would need
to be change accordingly and I don't know what that would mean.

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