sql: fix missing mutex unlock in an error case
Fixes #2542
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5483054
diff --git a/src/pkg/exp/sql/sql_test.go b/src/pkg/exp/sql/sql_test.go
index 4f8318d..f8ccf76 100644
--- a/src/pkg/exp/sql/sql_test.go
+++ b/src/pkg/exp/sql/sql_test.go
@@ -228,3 +228,16 @@
t.Fatalf("Commit = %v", err)
}
}
+
+// Tests fix for issue 2542, that we release a lock when querying on
+// a closed connection.
+func TestIssue2542Deadlock(t *testing.T) {
+ db := newTestDB(t, "people")
+ closeDB(t, db)
+ for i := 0; i < 2; i++ {
+ _, err := db.Query("SELECT|people|age,name|")
+ if err == nil {
+ t.Fatalf("expected error")
+ }
+ }
+}
