Update SQL Server driver library

vendor/github.com/denisenkom/go-mssqldb/examples/bulk/bulk.go

@@ -0,0 +1,111 @@
+package main
+
+import (
+	"database/sql"
+	"flag"
+	"fmt"
+	"log"
+
+	"github.com/denisenkom/go-mssqldb"
+)
+
+var (
+	debug         = flag.Bool("debug", true, "enable debugging")
+	password      = flag.String("password", "osmtest", "the database password")
+	port     *int = flag.Int("port", 1433, "the database port")
+	server        = flag.String("server", "localhost", "the database server")
+	user          = flag.String("user", "osmtest", "the database user")
+	database      = flag.String("database", "bulktest", "the database name")
+)
+
+/*
+	CREATE TABLE test_table(
+		[id] [int] IDENTITY(1,1) NOT NULL,
+		[test_nvarchar] [nvarchar](50) NULL,
+		[test_varchar] [varchar](50) NULL,
+		[test_float] [float] NULL,
+		[test_datetime2_3] [datetime2](3) NULL,
+		[test_bitn] [bit] NULL,
+		[test_bigint] [bigint] NOT NULL,
+		[test_geom] [geometry] NULL,
+	 CONSTRAINT [PK_table_test_id] PRIMARY KEY CLUSTERED
+	(
+		[id] ASC
+	) ON [PRIMARY]);
+*/
+
+func main() {
+	flag.Parse()
+
+	if *debug {
+		fmt.Printf(" password:%s\n", *password)
+		fmt.Printf(" port:%d\n", *port)
+		fmt.Printf(" server:%s\n", *server)
+		fmt.Printf(" user:%s\n", *user)
+		fmt.Printf(" database:%s\n", *database)
+	}
+
+	connString := fmt.Sprintf("server=%s;user id=%s;password=%s;port=%d;database=%s", *server, *user, *password, *port, *database)
+	if *debug {
+		fmt.Printf("connString:%s\n", connString)
+	}
+	conn, err := sql.Open("mssql", connString)
+	if err != nil {
+		log.Fatal("Open connection failed:", err.Error())
+	}
+	defer conn.Close()
+
+	txn, err := conn.Begin()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	stmt, err := txn.Prepare(mssql.CopyIn("test_table", mssql.BulkOptions{}, "test_varchar", "test_nvarchar", "test_float", "test_bigint"))
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	for i := 0; i < 10; i++ {
+		_, err = stmt.Exec(generateString(0, 30), generateStringUnicode(0, 30), i, i)
+		if err != nil {
+			log.Fatal(err.Error())
+		}
+	}
+
+	result, err := stmt.Exec()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = stmt.Close()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = txn.Commit()
+	if err != nil {
+		log.Fatal(err)
+	}
+	rowCount, _ := result.RowsAffected()
+	log.Printf("%d row copied\n", rowCount)
+	log.Printf("bye\n")
+
+}
+
+func generateString(x int, n int) string {
+	letters := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letters[i%len(letters)]
+	}
+	return string(b)
+}
+func generateStringUnicode(x int, n int) string {
+	letters := "ab©💾é?ghïjklmnopqЯ☀tuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letters[i%len(letters)]
+	}
+	return string(b)
+}