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gen_query.clj
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gen_query.clj
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(ns clj-jargon.gen-query
(:require [clojure.string :as string])
(:import [org.irods.jargon.core.query IRODSGenQuery]
[org.irods.jargon.core.query RodsGenQueryEnum]
[org.irods.jargon.core.query IRODSQueryResultRow]
[org.irods.jargon.core.pub IRODSGenQueryExecutor]))
(defn result-row->vec
[^IRODSQueryResultRow rr]
(vec (.getColumnsAsList rr)))
(defmacro print-result
[form]
`(let [res# ~form]
(println res#)
res#))
(defn- escape-gen-query-char
[c]
(cond (= c "\\") "\\\\"
:else (str "\\" c)))
(defmulti column-xformer type)
(defmethod column-xformer RodsGenQueryEnum
[^RodsGenQueryEnum col]
(.getName col))
(defmethod column-xformer :default
[col]
(string/replace col #"['\\\\]" escape-gen-query-char))
(defn gen-query-col-names
[cols]
(into-array (mapv column-xformer cols)))
(defn execute-gen-query
[{^IRODSGenQueryExecutor executor :executor} sql cols]
(.getResults
(.executeIRODSQueryAndCloseResult
executor
(IRODSGenQuery/instance
(String/format sql (gen-query-col-names cols))
50000)
0)))