How does the Filter Operator "Contains" work on the Interactive Reports?

version 4.0.2.00.07
Hello,
I'm creating Tool Tip definitions for the Operators in the Filter on the Interactive Reports. I was looking for a definition for the 'Contains' operator and from what I've found this operator is used to do a text search and it returns a relevance score for every row selected.
I've also read that in order for that score to be determined that the column(s) need to be indexed with a CONTEXT index. Non of the columns in the tables are indexed with a CONTEXT index, however, when I put a value in the Expression box for a column I get a record returned.
If I run the same query in PL/SQL Developer like:
SELECT <column>
FROM <table>
WHERE contains(<column>,<search text>,1) > 0;I get an error that the column is not indexed, so how does it work in APEX?
Thanks,
Joe

Joe R wrote:
I'm creating Tool Tip definitions for the Operators in the Filter on the Interactive Reports. I was looking for a definition for the 'Contains' operator and from what I've found this operator is used to do a text search and it returns a relevance score for every row selected.The IR "Contains" filter is not the same as the Oracle Text <tt>contains</tt> operator.
The IR "Contains" filter performs a simple string comparison on all of the column values returned. It does not make use of any Oracle Text indexes on the underlying data.
Despite < a href="https://forums.oracle.com/forums/thread.jspa?messageID=2434666">vague promises of enhancement</a>, no Oracle Text support has yet been included in Interactive Reports.

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