**Describe the bug** List comprehension as property constraint of MERGE clause errors out. **How are you accessing AGE (Command line, driver, etc.)?** - command line **What is the command that caused the error?** ```pgsql SELECT * from cypher('graph_name', $$ MERGE ({list:[u IN [1,2,3]]}) $$) as (a agtype); ``` ``` ERROR: Aggref found in non-Agg plan node ``` **Expected behavior** Should execute without any error. **Environment (please complete the following information):** - Version: latest