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2021-11-04
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Does bin/datomic ensure-transactor my-transactor.properties my-transactor.properties not work for sql storage?
When I copy the config/sample/sql-transactor-template.properties and run bin/datomic ensure-transactor` i get the error:
bin/datomic ensure-transactor config/samples/sql-transactor-template.properties config/samples/sql-transactor-template.properties
java.lang.IllegalArgumentException: No method in multimethod 'ensure-transactor*' for dispatch value: :sqlWhat are entity id ranges for the db, tx and user partitions?
Use the d/entid-at function in the peer api to construct some and find out. I’ve been told cloud entity ids may have a different structure
Should trailing _s in where clauses always be elided? e.g., [:find ?e :where [?e :a _]] is always preferred over [:find ?e :where [?e :a]].
I personally like the underscore. To me it shows that the binding was not forgotten, but it was explicitly ignored.
Not really. I would use it when you have to e.g [_ ...] Keep in mind, there are 5 elements in that tuple, you are typically ignoring 2.