PG Bug reporting form <noreply@postgresql.org> writes: > now() and transaction_timestamp() are described as being equivalent in the > guide > https://www.postgresql.org/docs/11/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT. > However, using now() in a query can screw up a possible parallel plan since > it's labeled PARALLEL RESTRICTED. This is fixed in v12 and later, cf https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=07ee62ce9 regards, tom lane
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