This operator can be used to attach a subplan to another operator with a specific id. Typically, this can be used to attach a new query to an existing query.

Parameter

  • appendTo: The id of the operator to append to.

Example

#QUERY
out = UNION({id="MainMerge"},..)

#QUERY
tmp = APPENDTO({appendTo="MainMerge"}, planToAppend)
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