In a BizTalk Map, a logical functoid evaluating whether the field value = "" (empty string) always evaluates to true for empty nodes, even if that field doesn't exist in the source schema.
<xsi:nil="true"></>
-isNil = TRUE, Logical Existence = TRUE, Logical = [Empty String] = TRUE
<></>
-isNil = FALSE, Logical Existence = TRUE, Logical = [Empty String] = TRUE
NO ELEMENT
-isNil = FALSE, Logical Existence = FALSE, Logical = [EmptyString] = TRUE
August 27, 2007
Logical existence, IsNil, Empty String comparison
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When a source element doesn't exist, neither the IsNil nor Logical Existence retrieve False. They just don't retrieve anything..
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When you say: Logical = [EmptyString] = TRUE
ReplyDeletedo you mean comparing the node against an empty constant in a equal comparer?
By 'Logical' I'm referring to evaluating the value of the logical functoid... so in C# terms I'm showing that (LogicalFunctoidValue=="") evaluates to true.
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