Back
statement (clj)
(source)function
(statement con)
(statement con {:keys [result-type concurrency cursors fetch-size max-rows timeout], :as opts})
Given a `Connection` and some options, return a `Statement`.
Examples
next-jdbc
(ns next.jdbc-test
"Basic tests for the primary API of `next.jdbc`."
(:require [clojure.core.reducers :as r]
[clojure.string :as str]
[clojure.test :refer [deftest is testing use-fixtures]]
[next.jdbc :as jdbc]
[next.jdbc.connection :as c]
[next.jdbc.test-fixtures
:refer [with-test-db db ds column
default-options stored-proc?
derby? hsqldb? jtds? mssql? mysql? postgres? sqlite?]]
[next.jdbc.prepare :as prep]
[next.jdbc.result-set :as rs]
[next.jdbc.specs :as specs]
[next.jdbc.types :as types])
(:import (com.zaxxer.hikari HikariDataSource)
(com.mchange.v2.c3p0 ComboPooledDataSource PooledDataSource)
(java.sql ResultSet ResultSetMetaData)))
(deftest basic-tests
;; use ds-opts instead of (ds) anywhere you want default options applied:
(let [ds-opts (jdbc/with-options (ds) (default-options))]
(testing "plan"
(is (= "Apple"
(reduce (fn [_ row] (reduced (:name row)))
nil
(jdbc/plan
ds-opts
["select * from fruit where appearance = ?" "red"]))))
(is (= "Banana"
(reduce (fn [_ row] (reduced (:no-such-column row "Banana")))
nil
(jdbc/plan
ds-opts
["select * from fruit where appearance = ?" "red"])))))
(testing "execute-one!"
(is (nil? (jdbc/execute-one!
(ds)
["select * from fruit where appearance = ?" "neon-green"])))
(is (= "Apple" ((column :FRUIT/NAME)
(jdbc/execute-one!
ds-opts
["select * from fruit where appearance = ?" "red"]))))
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds-opts
["select appearance as looks_like from fruit where id = ?" 1]
jdbc/snake-kebab-opts))))
(let [ds' (jdbc/with-options ds-opts jdbc/snake-kebab-opts)]
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds'
["select appearance as looks_like from fruit where id = ?" 1])))))
(jdbc/with-transaction+options [ds' (jdbc/with-options ds-opts jdbc/snake-kebab-opts)]
(is (= (merge (default-options) jdbc/snake-kebab-opts)
(:options ds')))
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds'
["select appearance as looks_like from fruit where id = ?" 1])))))
(is (= "red" (:looks-like
(jdbc/execute-one!
ds-opts
["select appearance as looks_like from fruit where id = ?" 1]
jdbc/unqualified-snake-kebab-opts)))))
(testing "execute!"
(let [rs (jdbc/execute!
ds-opts
["select * from fruit where appearance = ?" "neon-green"])]
(is (vector? rs))
(is (= [] rs)))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit where appearance = ?" "red"])]
(is (= 1 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-maps})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-arrays})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? qualified-keyword? (first rs)))
;; :FRUIT/ID should be first column
(is (= (column :FRUIT/ID) (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with adapter"
(let [rs (jdbc/execute! ; test again, with adapter and lower columns
ds-opts
["select * from fruit order by id"]
{:builder-fn (rs/as-arrays-adapter
rs/as-lower-arrays
(fn [^ResultSet rs _ ^Integer i]
(.getObject rs i)))})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? qualified-keyword? (first rs)))
;; :fruit/id should be first column
(is (= :fruit/id (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with unqualified"
(let [rs (jdbc/execute!
(ds)
["select * from fruit order by id"]
{:builder-fn rs/as-unqualified-maps})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :ID) (first rs))))
(is (= 4 ((column :ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-unqualified-arrays})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? simple-keyword? (first rs)))
;; :ID should be first column
(is (= (column :ID) (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with :max-rows / :maxRows"
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:max-rows 2})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 2 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 2 ((column :FRUIT/ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:statement {:maxRows 2}})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 2 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 2 ((column :FRUIT/ID) (last rs)))))))
(testing "prepare"
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare
con
["select * from fruit order by id"]
(default-options))]
(jdbc/execute! ps))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare
con
["select * from fruit where id = ?"]
(default-options))]
(jdbc/execute! (prep/set-parameters ps [4]) nil {}))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 1 (count rs)))
(is (= 4 ((column :FRUIT/ID) (first rs))))))
(testing "statement"
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))]
(jdbc/execute! (prep/statement con (default-options))
["select * from fruit order by id"]))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))]
(jdbc/execute! (prep/statement con (default-options))
["select * from fruit where id = 4"]))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 1 (count rs)))
(is (= 4 ((column :FRUIT/ID) (first rs))))))
(testing "transact"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/transact (ds)
(fn [t] (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))
{:rollback-only true})))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"])))))
(testing "with-transaction rollback-only"
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds) {:rollback-only true}]
(is (jdbc/active-tx?) "should be in a transaction")
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con {:rollback-only true}]
(is (jdbc/active-tx?) "should be in a transaction")
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction exception"
(is (thrown? Throwable
(jdbc/with-transaction [t (ds)]
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])
(is (jdbc/active-tx?) "should be in a transaction")
(throw (ex-info "abort" {})))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (thrown? Throwable
(jdbc/with-transaction [t con]
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])
(is (jdbc/active-tx?) "should be in a transaction")
(throw (ex-info "abort" {})))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction call rollback"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t)
;; still in a next.jdbc TX even tho' we rolled back!
(is (jdbc/active-tx?) "should be in a transaction")
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction with unnamed save point"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [save-point (.setSavepoint t)
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
;; still in a next.jdbc TX even tho' we rolled back to a save point!
(is (jdbc/active-tx?) "should be in a transaction")
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [save-point (.setSavepoint t)
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction with named save point"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [save-point (.setSavepoint t (name (gensym)))
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [save-point (.setSavepoint t (name (gensym)))
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con)))))))
(deftest folding-test
(jdbc/execute-one! (ds) ["delete from fruit"])
(with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare con ["insert into fruit(name) values (?)"])]
(jdbc/execute-batch! ps (mapv #(vector (str "Fruit-" %)) (range 1 1001))))
(testing "foldable result set"
(testing "from a Connection"
(let [result
(with-open [con (jdbc/get-connection (ds))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan con ["select * from fruit order by id"]
(default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))
(testing "from a DataSource"
(doseq [n [2 3 4 5 100 300 500 700 900 1000 1100]]
(testing (str "folding with n = " n)
(let [result
(try
(r/fold n r/cat r/append!
(r/map (column :FRUIT/NAME)
(jdbc/plan (ds) ["select * from fruit order by id"]
(default-options))))
(catch java.util.concurrent.RejectedExecutionException _
[]))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))))
(testing "from a PreparedStatement"
(let [result
(with-open [con (jdbc/get-connection (ds))
stmt (jdbc/prepare con
["select * from fruit order by id"]
(default-options))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan stmt nil (default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))
(testing "from a Statement"
(let [result
(with-open [con (jdbc/get-connection (ds))
stmt (prep/statement con (default-options))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan stmt ["select * from fruit order by id"]
(default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))))
next-jdbc
(ns next.jdbc.test-fixtures
"Multi-database testing fixtures."
(:require [clojure.string :as str]
[next.jdbc :as jdbc]
[next.jdbc.prepare :as prep]
[next.jdbc.sql :as sql])
(:import (io.zonky.test.db.postgres.embedded EmbeddedPostgres)))
(defn- do-commands
"Example from migration docs: this serves as a test for it."
[connectable commands]
(if (instance? java.sql.Connection connectable)
(with-open [stmt (prep/statement connectable)]
(run! #(.addBatch stmt %) commands)
(into [] (.executeBatch stmt)))
(with-open [conn (jdbc/get-connection connectable)]
(do-commands conn commands))))
seancorfield/next-jdbc
(ns next.jdbc-test
"Basic tests for the primary API of `next.jdbc`."
(:require [clojure.core.reducers :as r]
[clojure.string :as str]
[clojure.test :refer [deftest is testing use-fixtures]]
[next.jdbc :as jdbc]
[next.jdbc.connection :as c]
[next.jdbc.test-fixtures
:refer [with-test-db db ds column
default-options stored-proc?
derby? hsqldb? jtds? mssql? mysql? postgres? sqlite?]]
[next.jdbc.prepare :as prep]
[next.jdbc.result-set :as rs]
[next.jdbc.specs :as specs]
[next.jdbc.types :as types])
(:import (com.zaxxer.hikari HikariDataSource)
(com.mchange.v2.c3p0 ComboPooledDataSource PooledDataSource)
(java.sql ResultSet ResultSetMetaData)))
(deftest basic-tests
;; use ds-opts instead of (ds) anywhere you want default options applied:
(let [ds-opts (jdbc/with-options (ds) (default-options))]
(testing "plan"
(is (= "Apple"
(reduce (fn [_ row] (reduced (:name row)))
nil
(jdbc/plan
ds-opts
["select * from fruit where appearance = ?" "red"]))))
(is (= "Banana"
(reduce (fn [_ row] (reduced (:no-such-column row "Banana")))
nil
(jdbc/plan
ds-opts
["select * from fruit where appearance = ?" "red"])))))
(testing "execute-one!"
(is (nil? (jdbc/execute-one!
(ds)
["select * from fruit where appearance = ?" "neon-green"])))
(is (= "Apple" ((column :FRUIT/NAME)
(jdbc/execute-one!
ds-opts
["select * from fruit where appearance = ?" "red"]))))
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds-opts
["select appearance as looks_like from fruit where id = ?" 1]
jdbc/snake-kebab-opts))))
(let [ds' (jdbc/with-options ds-opts jdbc/snake-kebab-opts)]
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds'
["select appearance as looks_like from fruit where id = ?" 1])))))
(jdbc/with-transaction+options [ds' (jdbc/with-options ds-opts jdbc/snake-kebab-opts)]
(is (= (merge (default-options) jdbc/snake-kebab-opts)
(:options ds')))
(is (= "red" (:fruit/looks-like
(jdbc/execute-one!
ds'
["select appearance as looks_like from fruit where id = ?" 1])))))
(is (= "red" (:looks-like
(jdbc/execute-one!
ds-opts
["select appearance as looks_like from fruit where id = ?" 1]
jdbc/unqualified-snake-kebab-opts)))))
(testing "execute!"
(let [rs (jdbc/execute!
ds-opts
["select * from fruit where appearance = ?" "neon-green"])]
(is (vector? rs))
(is (= [] rs)))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit where appearance = ?" "red"])]
(is (= 1 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-maps})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-arrays})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? qualified-keyword? (first rs)))
;; :FRUIT/ID should be first column
(is (= (column :FRUIT/ID) (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with adapter"
(let [rs (jdbc/execute! ; test again, with adapter and lower columns
ds-opts
["select * from fruit order by id"]
{:builder-fn (rs/as-arrays-adapter
rs/as-lower-arrays
(fn [^ResultSet rs _ ^Integer i]
(.getObject rs i)))})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? qualified-keyword? (first rs)))
;; :fruit/id should be first column
(is (= :fruit/id (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with unqualified"
(let [rs (jdbc/execute!
(ds)
["select * from fruit order by id"]
{:builder-fn rs/as-unqualified-maps})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :ID) (first rs))))
(is (= 4 ((column :ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:builder-fn rs/as-unqualified-arrays})]
(is (every? vector? rs))
(is (= 5 (count rs)))
(is (every? #(= 5 (count %)) rs))
;; columns come first
(is (every? simple-keyword? (first rs)))
;; :ID should be first column
(is (= (column :ID) (ffirst rs)))
;; and all its corresponding values should be ints
(is (every? int? (map first (rest rs))))
(is (every? string? (map second (rest rs))))))
(testing "execute! with :max-rows / :maxRows"
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:max-rows 2})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 2 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 2 ((column :FRUIT/ID) (last rs)))))
(let [rs (jdbc/execute!
ds-opts
["select * from fruit order by id"]
{:statement {:maxRows 2}})]
(is (every? map? rs))
(is (every? meta rs))
(is (= 2 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 2 ((column :FRUIT/ID) (last rs)))))))
(testing "prepare"
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare
con
["select * from fruit order by id"]
(default-options))]
(jdbc/execute! ps))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare
con
["select * from fruit where id = ?"]
(default-options))]
(jdbc/execute! (prep/set-parameters ps [4]) nil {}))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 1 (count rs)))
(is (= 4 ((column :FRUIT/ID) (first rs))))))
(testing "statement"
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))]
(jdbc/execute! (prep/statement con (default-options))
["select * from fruit order by id"]))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 4 (count rs)))
(is (= 1 ((column :FRUIT/ID) (first rs))))
(is (= 4 ((column :FRUIT/ID) (last rs)))))
;; default options do not flow over get-connection
(let [rs (with-open [con (jdbc/get-connection (ds))]
(jdbc/execute! (prep/statement con (default-options))
["select * from fruit where id = 4"]))]
(is (every? map? rs))
(is (every? meta rs))
(is (= 1 (count rs)))
(is (= 4 ((column :FRUIT/ID) (first rs))))))
(testing "transact"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/transact (ds)
(fn [t] (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))
{:rollback-only true})))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"])))))
(testing "with-transaction rollback-only"
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds) {:rollback-only true}]
(is (jdbc/active-tx?) "should be in a transaction")
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con {:rollback-only true}]
(is (jdbc/active-tx?) "should be in a transaction")
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"]))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction exception"
(is (thrown? Throwable
(jdbc/with-transaction [t (ds)]
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])
(is (jdbc/active-tx?) "should be in a transaction")
(throw (ex-info "abort" {})))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (thrown? Throwable
(jdbc/with-transaction [t con]
(jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])
(is (jdbc/active-tx?) "should be in a transaction")
(throw (ex-info "abort" {})))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction call rollback"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t)
;; still in a next.jdbc TX even tho' we rolled back!
(is (jdbc/active-tx?) "should be in a transaction")
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction with unnamed save point"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [save-point (.setSavepoint t)
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
;; still in a next.jdbc TX even tho' we rolled back to a save point!
(is (jdbc/active-tx?) "should be in a transaction")
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(is (not (jdbc/active-tx?)) "should not be in a transaction")
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [save-point (.setSavepoint t)
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con))))))
(testing "with-transaction with named save point"
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t (ds)]
(let [save-point (.setSavepoint t (name (gensym)))
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! (ds) ["select * from fruit"]))))
(with-open [con (jdbc/get-connection (ds))]
(let [ac (.getAutoCommit con)]
(is (= [{:next.jdbc/update-count 1}]
(jdbc/with-transaction [t con]
(let [save-point (.setSavepoint t (name (gensym)))
result (jdbc/execute! t ["
INSERT INTO fruit (name, appearance, cost, grade)
VALUES ('Pear', 'green', 49, 47)
"])]
(.rollback t save-point)
result))))
(is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
(is (= ac (.getAutoCommit con)))))))
(deftest folding-test
(jdbc/execute-one! (ds) ["delete from fruit"])
(with-open [con (jdbc/get-connection (ds))
ps (jdbc/prepare con ["insert into fruit(name) values (?)"])]
(jdbc/execute-batch! ps (mapv #(vector (str "Fruit-" %)) (range 1 1001))))
(testing "foldable result set"
(testing "from a Connection"
(let [result
(with-open [con (jdbc/get-connection (ds))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan con ["select * from fruit order by id"]
(default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))
(testing "from a DataSource"
(doseq [n [2 3 4 5 100 300 500 700 900 1000 1100]]
(testing (str "folding with n = " n)
(let [result
(try
(r/fold n r/cat r/append!
(r/map (column :FRUIT/NAME)
(jdbc/plan (ds) ["select * from fruit order by id"]
(default-options))))
(catch java.util.concurrent.RejectedExecutionException _
[]))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))))
(testing "from a PreparedStatement"
(let [result
(with-open [con (jdbc/get-connection (ds))
stmt (jdbc/prepare con
["select * from fruit order by id"]
(default-options))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan stmt nil (default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))
(testing "from a Statement"
(let [result
(with-open [con (jdbc/get-connection (ds))
stmt (prep/statement con (default-options))]
(r/foldcat
(r/map (column :FRUIT/NAME)
(jdbc/plan stmt ["select * from fruit order by id"]
(default-options)))))]
(is (= 1000 (count result)))
(is (= "Fruit-1" (first result)))
(is (= "Fruit-1000" (last result)))))))