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Click to expand/collapsesubstitute-empty [altova:]

substitute-empty(FirstSequence as item()*, SecondSequence as item()) as item()* XP3.1 XQ3.1

If FirstSequence is empty, returns SecondSequence. If FirstSequence is not empty, returns FirstSequence.

hmtoggle_plus1Examples

•substitute-empty( (1,2,3), (4,5,6) ) returns (1,2,3)

•substitute-empty( (), (4,5,6) ) returns (4,5,6)

 

 

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