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types.clj
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types.clj
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;; Copyright 2014-2015 Andrey Antukh <niwi@niwi.be>
;;
;; Licensed under the Apache License, Version 2.0 (the "License")
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
(ns jdbc.types
(:require [jdbc.proto :as proto]
[jdbc.resultset :refer [result-set->lazyseq]])
(:import java.sql.Connection
java.sql.ResultSet
java.sql.PreparedStatement))
(defn ->connection
"Create a connection wrapper.
The connection wrapper is need because it
implemens IMeta interface that is mandatory
for transaction management."
[^Connection conn]
(reify
proto/IConnection
(connection [_] conn)
proto/IDatabaseMetadata
(get-database-metadata [_]
(.getMetaData conn))
java.io.Closeable
(close [_]
(.close conn))))
(deftype Cursor [stmt]
proto/IConnection
(connection [_] (.getConnection stmt))
java.io.Closeable
(close [_]
(.close stmt)))
(defn ->cursor
[^PreparedStatement stmt]
(Cursor. stmt))