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documize/vendor/github.com/denisenkom/go-mssqldb/bulkcopy_test.go
2019-06-25 15:37:19 +01:00

237 lines
6.9 KiB
Go

// +build go1.9
package mssql
import (
"context"
"database/sql"
"encoding/hex"
"math"
"reflect"
"strings"
"testing"
"time"
)
func TestBulkcopy(t *testing.T) {
// TDS level Bulk Insert is not supported on Azure SQL Server.
if dsn := makeConnStr(t); strings.HasSuffix(strings.Split(dsn.Host, ":")[0], ".database.windows.net") {
t.Skip("TDS level bulk copy is not supported on Azure SQL Server")
}
type testValue struct {
colname string
val interface{}
}
tableName := "#table_test"
geom, _ := hex.DecodeString("E6100000010C00000000000034400000000000004440")
bin, _ := hex.DecodeString("ba8b7782168d4033a299333aec17bd33")
testValues := []testValue{
{"test_nvarchar", "ab©ĎéⒻghïjklmnopqЯ☀tuvwxyz"},
{"test_varchar", "abcdefg"},
{"test_char", "abcdefg "},
{"test_nchar", "abcdefg "},
{"test_text", "abcdefg"},
{"test_ntext", "abcdefg"},
{"test_float", 1234.56},
{"test_floatn", 1234.56},
{"test_real", 1234.56},
{"test_realn", 1234.56},
{"test_bit", true},
{"test_bitn", nil},
{"test_smalldatetime", time.Date(2010, 11, 12, 13, 14, 0, 0, time.UTC)},
{"test_smalldatetimen", time.Date(2010, 11, 12, 13, 14, 0, 0, time.UTC)},
{"test_datetime", time.Date(2010, 11, 12, 13, 14, 15, 120000000, time.UTC)},
{"test_datetimen", time.Date(2010, 11, 12, 13, 14, 15, 120000000, time.UTC)},
{"test_datetimen_1", time.Date(4010, 11, 12, 13, 14, 15, 120000000, time.UTC)},
{"test_datetime2_1", time.Date(2010, 11, 12, 13, 14, 15, 0, time.UTC)},
{"test_datetime2_3", time.Date(2010, 11, 12, 13, 14, 15, 123000000, time.UTC)},
{"test_datetime2_7", time.Date(2010, 11, 12, 13, 14, 15, 123000000, time.UTC)},
{"test_date", time.Date(2010, 11, 12, 00, 00, 00, 0, time.UTC)},
{"test_tinyint", 255},
{"test_smallint", 32767},
{"test_smallintn", nil},
{"test_int", 2147483647},
{"test_bigint", 9223372036854775807},
{"test_bigintn", nil},
{"test_geom", geom},
{"test_uniqueidentifier", []byte{0x6F, 0x96, 0x19, 0xFF, 0x8B, 0x86, 0xD0, 0x11, 0xB4, 0x2D, 0x00, 0xC0, 0x4F, 0xC9, 0x64, 0xFF}},
// {"test_smallmoney", 1234.56},
// {"test_money", 1234.56},
{"test_decimal_18_0", 1234.0001},
{"test_decimal_9_2", 1234.560001},
{"test_decimal_20_0", 1234.0001},
{"test_numeric_30_10", 1234567.1234567},
{"test_varbinary", []byte("1")},
{"test_varbinary_16", bin},
{"test_varbinary_max", bin},
{"test_binary", []byte("1")},
{"test_binary_16", bin},
}
columns := make([]string, len(testValues))
for i, val := range testValues {
columns[i] = val.colname
}
values := make([]interface{}, len(testValues))
for i, val := range testValues {
values[i] = val.val
}
pool := open(t)
defer pool.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Now that session resetting is supported, the use of the per session
// temp table requires the use of a dedicated connection from the connection
// pool.
conn, err := pool.Conn(ctx)
if err != nil {
t.Fatal("failed to pull connection from pool", err)
}
defer conn.Close()
err = setupTable(ctx, t, conn, tableName)
if err != nil {
t.Error("Setup table failed: ", err)
return
}
t.Log("Preparing copy in statement")
stmt, err := conn.PrepareContext(ctx, CopyIn(tableName, BulkOptions{}, columns...))
for i := 0; i < 10; i++ {
t.Logf("Executing copy in statement %d time with %d values", i+1, len(values))
_, err = stmt.Exec(values...)
if err != nil {
t.Error("AddRow failed: ", err.Error())
return
}
}
result, err := stmt.Exec()
if err != nil {
t.Fatal("bulkcopy failed: ", err.Error())
}
insertedRowCount, _ := result.RowsAffected()
if insertedRowCount == 0 {
t.Fatal("0 row inserted!")
}
//check that all rows are present
var rowCount int
err = conn.QueryRowContext(ctx, "select count(*) c from "+tableName).Scan(&rowCount)
if rowCount != 10 {
t.Errorf("unexpected row count %d", rowCount)
}
//data verification
rows, err := conn.QueryContext(ctx, "select "+strings.Join(columns, ",")+" from "+tableName)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
for rows.Next() {
ptrs := make([]interface{}, len(columns))
container := make([]interface{}, len(columns))
for i, _ := range ptrs {
ptrs[i] = &container[i]
}
if err := rows.Scan(ptrs...); err != nil {
t.Fatal(err)
}
for i, c := range testValues {
if !compareValue(container[i], c.val) {
t.Errorf("columns %s : expected: %v, got: %v\n", c.colname, c.val, container[i])
}
}
}
if err := rows.Err(); err != nil {
t.Error(err)
}
}
func compareValue(a interface{}, expected interface{}) bool {
switch expected := expected.(type) {
case int:
return int64(expected) == a
case int32:
return int64(expected) == a
case int64:
return int64(expected) == a
case float64:
if got, ok := a.([]uint8); ok {
var nf sql.NullFloat64
nf.Scan(got)
a = nf.Float64
}
return math.Abs(expected-a.(float64)) < 0.0001
default:
return reflect.DeepEqual(expected, a)
}
}
func setupTable(ctx context.Context, t *testing.T, conn *sql.Conn, tableName string) (err error) {
tablesql := `CREATE TABLE ` + tableName + ` (
[id] [int] IDENTITY(1,1) NOT NULL,
[test_nvarchar] [nvarchar](50) NULL,
[test_varchar] [varchar](50) NULL,
[test_char] [char](10) NULL,
[test_nchar] [nchar](10) NULL,
[test_text] [text] NULL,
[test_ntext] [ntext] NULL,
[test_float] [float] NOT NULL,
[test_floatn] [float] NULL,
[test_real] [real] NULL,
[test_realn] [real] NULL,
[test_bit] [bit] NOT NULL,
[test_bitn] [bit] NULL,
[test_smalldatetime] [smalldatetime] NOT NULL,
[test_smalldatetimen] [smalldatetime] NULL,
[test_datetime] [datetime] NOT NULL,
[test_datetimen] [datetime] NULL,
[test_datetimen_1] [datetime] NULL,
[test_datetime2_1] [datetime2](1) NULL,
[test_datetime2_3] [datetime2](3) NULL,
[test_datetime2_7] [datetime2](7) NULL,
[test_date] [date] NULL,
[test_smallmoney] [smallmoney] NULL,
[test_money] [money] NULL,
[test_tinyint] [tinyint] NULL,
[test_smallint] [smallint] NOT NULL,
[test_smallintn] [smallint] NULL,
[test_int] [int] NULL,
[test_bigint] [bigint] NOT NULL,
[test_bigintn] [bigint] NULL,
[test_geom] [geometry] NULL,
[test_geog] [geography] NULL,
[text_xml] [xml] NULL,
[test_uniqueidentifier] [uniqueidentifier] NULL,
[test_decimal_18_0] [decimal](18, 0) NULL,
[test_decimal_9_2] [decimal](9, 2) NULL,
[test_decimal_20_0] [decimal](20, 0) NULL,
[test_numeric_30_10] [decimal](30, 10) NULL,
[test_varbinary] VARBINARY NOT NULL,
[test_varbinary_16] VARBINARY(16) NOT NULL,
[test_varbinary_max] VARBINARY(max) NOT NULL,
[test_binary] BINARY NOT NULL,
[test_binary_16] BINARY(16) NOT NULL,
CONSTRAINT [PK_` + tableName + `_id] PRIMARY KEY CLUSTERED
(
[id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY];`
_, err = conn.ExecContext(ctx, tablesql)
if err != nil {
t.Fatal("tablesql failed:", err)
}
return
}