datahike.db.utils — io.replikativ/datahike 0.5.1511

attr->properties clj

(attr->properties k v)

attr-info clj

(attr-info db attr)

Returns identifier name and reference value of an attributes. Both values are identical for non-reference databases.

component? clj

(component? db attr)

components->pattern clj

(components->pattern db index [c0 c1 c2 c3] default-e default-tx)

db? clj

(db? x)

distinct-datoms clj

(distinct-datoms db current-datoms history-datoms)

entid clj

(entid db eid)

entid-some clj

(entid-some db eid)

entid-strict clj

(entid-strict db eid)

filter-txInstant clj

(filter-txInstant datoms pred db)

indexing? clj

(indexing? db attr)

is-attr? clj

(is-attr? db attr property)

multival? clj

(multival? db attr)

no-history? clj

(no-history? db attr)

reduce-indexed clj

(reduce-indexed f init xs)

Same as reduce, but f takes [acc el idx]

ref? clj

(ref? db attr)

resolve-datom clj

(resolve-datom db e a v t default-e default-tx)

reverse-ref clj

(reverse-ref ident)

reverse-ref? clj

(reverse-ref? ident)

rschema clj

(rschema schema)

temporal-datoms clj

(temporal-datoms db index-type cs)

tuple-source? clj

(tuple-source? db attr)

Returns true if 'attr' is an attribute basis of a tuple attribute. E.g. ':a' is an attribute part of the tuple attribute ':a+b'. (tuple-source? :a) returns true.

tuple? clj

(tuple? db attr)

Returns true if 'attr' is a tuple attribute. I.e., if 'attr' value is of type ':db.type/tuple'

validate-attr clj

(validate-attr attr at db)

validate-attr-ident clj

(validate-attr-ident a-ident at db)