We have this table:
And we want to have a field (for example, named "value") that gets the value of the field which name is in the "name" field. In the first row it would be value=3d, in the second row value would be value=1
Its similar to what | eval {name} = "whatever"
would do, but reading instead of writing. (something like | eval value = {name} but that doesn't work).
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