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database/sql: add DB.SetMaxIdleConns

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Update #4805

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/7634045
This commit is contained in:
Brad Fitzpatrick 2013-03-18 15:33:04 -07:00
parent f005eddb3a
commit 3a2fe62f44
2 changed files with 70 additions and 6 deletions
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29
src/pkg/database/sql/sql_test.go
View file

@ -761,3 +761,32 @@ func TestSimultaneousQueries(t *testing.T) {
}
defer r2.Close()
}
func TestMaxIdleConns(t *testing.T) {
db := newTestDB(t, "people")
defer closeDB(t, db)
tx, err := db.Begin()
if err != nil {
t.Fatal(err)
}
tx.Commit()
if got := len(db.freeConn); got != 1 {
t.Errorf("freeConns = %d; want 1", got)
}
db.SetMaxIdleConns(0)
if got := len(db.freeConn); got != 0 {
t.Errorf("freeConns after set to zero = %d; want 0", got)
}
tx, err = db.Begin()
if err != nil {
t.Fatal(err)
}
tx.Commit()
if got := len(db.freeConn); got != 0 {
t.Errorf("freeConns = %d; want 0", got)
}
}