Add error checking in simple example for tx.Commit

lnksz · mattn · commit b819467576c3 · 2022-05-28T23:40:45.000+09:00
Based on https://golang.org/pkg/database/sql/#Tx.Commit this function returns an error type. So why not check it.
diff --git a/_example/simple/simple.go b/_example/simple/simple.go
@@ -42,7 +42,10 @@ func main() {
 			log.Fatal(err)
 		}
 	}
-	tx.Commit()
+	err = tx.Commit()
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	rows, err := db.Query("select id, name from foo")
 	if err != nil {

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,10 @@ func main() {`
`42`	`42`	`log.Fatal(err)`
`43`	`43`	`}`
`44`	`44`	`}`
`45`		`- tx.Commit()`
	`45`	`+ err = tx.Commit()`
	`46`	`+ if err != nil {`
	`47`	`+ log.Fatal(err)`
	`48`	`+ }`
`46`	`49`
`47`	`50`	`rows, err := db.Query("select id, name from foo")`
`48`	`51`	`if err != nil {`