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From "Philipp Bunge (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-2417) RepositoryException when using BindVariables in JCR-SQL2 CONTAINS
Date Tue, 01 Dec 2009 17:18:20 GMT
RepositoryException when using BindVariables in JCR-SQL2 CONTAINS
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                 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


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,
$searchExpression)";
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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