DatatypeMismatch: could not determine polymorphic type because input has type unknown

bitnine-oss / agensgraph

AgensGraph, a transactional graph database based on PostgreSQL

http://www.agensgraph.org

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Open ljhhuxiaoba opened 8 months ago

ljhhuxiaoba commented 8 months ago

agensgraph version:2.13.1

I executed a query on my AgensGraph and get an error. query: RETURN collect(NULL) as n

error message: ERROR: could not determine polymorphic type because input has type unknown