dalex dalex created TEIID-5133:
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Summary: XmlTable path language is not always identical to XPathValue
expressions
Key: TEIID-5133
URL:
https://issues.jboss.org/browse/TEIID-5133
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 9.3.4
Environment: eiid-9.3.4 on WildFly Full 10.0.0.Final (WildFly Core 2.0.10.Final)
Reporter: dalex dalex
Assignee: Steven Hawkins
The same Path value, used in XPathValue and XmlTable->Path brings different results.
That is for the following query:
{code:sql}
Select * From
(select '<root>
<item>
<id>id1</id>
<val>val1</val>
</item>
</root>' as resp) w,
XMLTABLE(
'/root' passing XMLPARSE(document w.resp) columns
valOption2 string PATH 'item[id = "id1"]/val'
--,valOption1 string PATH 'item[id/text() = "id1"]/val'
) x;;
{code}
returned value for "valOption2" will be changed from "val1" to
"null" that is incorrect and unexpected behavior.
Using "node/text()" in Path expressions may result in side effects.
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