TuAssign, TuMerge, TuProject
TuAssign (Target-object, Source-object) |
TuMerge (Target-object, Source-object) |
TuProject (Target-object, Source-object) |
Copies an object to another object.
Both parameters must denote objects.
The content of the fields in Source-object
is copied into the Target-object. Each field from the
Source-object is copied into the field of the
Target-object bearing the same name.
The function TuAssign() copies all fields
of the Source object. If a field is not already contained in the Target object,
it is added.
The function TuMerge() copies all fields
of the Source object that are not already contained in the Target object, which
means that the Target object is redefined in such a manner that new fields are added, but
no existing fields are overwritten.
The function TuProject() copies all fields
of the Source object that are also contained in the Target object. No new data
fields are appended to the Target object.
All functions return the Target-object.
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(x="A", y="C", z="D")
(x="A", y="B", z="D")
TuAppField(), TuAssField(), TuDelField(), TuFieldSort(), TuInsField(), TuName(), TuSlice().
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