mirror of
https://github.com/logseq/logseq.git
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2f0fc3c18c
large graph chunking assumed a certain tx order which isn't guaranteed. There are also some edge cases where blocks could get separated from each other which are now fixed. Also fixed a bug with validating user properties and made small enhancement for query script
45 lines
2.0 KiB
Clojure
45 lines
2.0 KiB
Clojure
(ns query
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"An example script that queries any db graph from the commandline e.g.
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$ yarn -s nbb-logseq script/query.cljs db-name '[:find (pull ?b [:block/name :block/content]) :where [?b :block/created-at]]'"
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(:require [datascript.core :as d]
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[clojure.edn :as edn]
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[logseq.db.sqlite.db :as sqlite-db]
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[logseq.db.frontend.rules :as rules]
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[nbb.core :as nbb]
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[clojure.string :as string]
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["path" :as node-path]
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["os" :as os]))
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(defn- get-dir-and-db-name
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"Gets dir and db name for use with open-db!"
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[graph-dir]
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(if (string/includes? graph-dir "/")
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(let [graph-dir'
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(node-path/join (or js/process.env.ORIGINAL_PWD ".") graph-dir)]
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((juxt node-path/dirname node-path/basename) graph-dir'))
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[(node-path/join (os/homedir) "logseq" "graphs") graph-dir]))
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(defn -main [args]
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(when (< (count args) 2)
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(println "Usage: $0 GRAPH QUERY")
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(js/process.exit 1))
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(let [[graph-dir query*] args
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[dir db-name] (get-dir-and-db-name graph-dir)
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conn (sqlite-db/open-db! dir db-name)
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results (if ((set args) "-e")
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(map #(when-let [ent (d/entity @conn (edn/read-string %))]
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(cond-> (into {:db/id (:db/id ent)} ent)
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(seq (:block/properties ent))
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(update :block/properties (fn [props] (map (fn [m] (into {} m)) props)))))
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(drop 2 args))
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;; assumes no :in are in queries
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(let [query (into (edn/read-string query*) [:in '$ '%])
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res (d/q query @conn (rules/extract-rules rules/db-query-dsl-rules))]
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;; Remove nesting for most queries which just have one :find binding
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(if (= 1 (count (first res))) (mapv first res) res)))]
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(when ((set args) "-v") (println "DB contains" (count (d/datoms @conn :eavt)) "datoms"))
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(prn results)))
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(when (= nbb/*file* (:file (meta #'-main)))
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(-main *command-line-args*)) |