mirror of https://github.com/logseq/logseq
31 lines
1.2 KiB
Clojure
31 lines
1.2 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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["path" :as path]
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["os" :as os]))
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(defn read-graph
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"The db graph bare version of gp-cli/parse-graph"
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[graph-name]
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(let [graphs-dir (path/join (os/homedir) "logseq/graphs")]
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(sqlite-db/open-db! graphs-dir graph-name)))
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(defn -main [args]
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(when (< (count args) 2)
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(println "Usage: $0 GRAPH QUERY")
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(js/process.exit 1))
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(let [[graph-name query*] args
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conn (read-graph graph-name)
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query (into (edn/read-string query*) [:in '$ '%]) ;; assumes no :in are in queries
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results (mapv first (d/q query @conn (rules/extract-rules rules/db-query-dsl-rules)))]
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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*)) |