ndjson-db.core — luposlip/ndjson-db 0.3.0

clear-all-indexes!! clj

(clear-all-indexes!!)

This should be used with care; it does as advertized!

clear-index! clj

(clear-index! {:keys [filename]})

Clear an index based on ID function and database filename

db clj

(db {:keys [id-fn id-name id-type doc-type filename]
     :or {id-type :string}
     :as params})

Creates a database var which can be used to perform queries

db? clj

(db? candidate)

get-id-fn clj

(get-id-fn {:keys [id-name id-type source-type]})

index clj

index* clj

(index* filename idx-id)

Builds up an index of Entity IDs as keys (IDs extracted with id-fn), and as value a vector with 2 values: the start index in the text file to start read EDN for the JSON doc., and secondly the length in bytes JSON doc.

index-fns clj

In the form {"filename1" {"9298cvoa" {index-w-first-few-ids-as-str-=-9298cvoa} "filename2" {"ao3oijf8" {index-w-first-few-ids-as-str-=-ao3oijf8}}}

index-id clj

(index-id {:keys [id-fn filename id-name id-type] :as params})

This function generates a pseudo unique index ID for the combination of the ID function and the filename.

parse-doc clj

(parse-doc db doc-str)

q clj multimethod

Queries a single or multiple JSON docs from the database by a single or multiple IDs matching those from the .ndjson database by id-fn.

• returns EDN for the matching JSON document.