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main.go
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main.go
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/*
Package main in conntest represents a connection testing program.
Copyright 2013 Tamás Gulácsi
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.
*/
package main
import (
"flag"
"log"
"os"
"os/signal"
"sync"
"syscall"
"testing"
"gopkg.in/rana/ora.v4/examples/connect"
)
var fWait = flag.Bool("wait", false, "wait for USR1 signal?")
func ListObjects(t *testing.T) {
conn, err := connect.GetConnection("")
if err != nil {
t.Errorf("error connectiong: %s", err)
t.FailNow()
return
}
defer conn.Close()
qry := "SELECT owner, object_name, object_id FROM all_objects WHERE ROWNUM < 20"
log.Printf(`executing "%s"`, qry)
rows, err := conn.Query(qry)
if err != nil {
t.Logf(`error with %q: %s`, qry, err)
t.FailNow()
return
}
var (
owner, objectName string
objectID int
)
for rows.Next() {
if err = rows.Scan(&owner, &objectName, &objectID); err != nil {
t.Errorf("error fetching: %s", err)
break
}
t.Logf(`row: "%s";"%s";%d`, owner, objectName, objectID)
}
}
func main() {
flag.Parse()
t := new(testing.T)
if *fWait {
c := make(chan os.Signal)
var wg sync.WaitGroup
wg.Add(1)
go func() {
log.Printf("waiting for signal...")
sig := <-c
log.Printf("got signal %s", sig)
ListObjects(t)
wg.Done()
}()
signal.Notify(c, syscall.SIGUSR1)
wg.Wait()
} else {
ListObjects(t)
}
}