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
| Code Block |
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#QUERY
out = UNION({id="MainMerge"},..)
#QUERY
tmp = APPENDTO({appendTo="MainMerge"}, planToAppend)
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