/
sqldump.go
175 lines (153 loc) · 3.77 KB
/
sqldump.go
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package examples
import (
"context"
"database/sql"
"encoding/json"
"io/ioutil"
"os"
"testing"
"time"
"cloud.google.com/go/civil"
"github.com/brianvoe/gofakeit"
"github.com/google/uuid"
sqldump "github.com/si3nloong/sqlike/sql/dump"
"github.com/si3nloong/sqlike/sql/expr"
"github.com/si3nloong/sqlike/sqlike"
"github.com/si3nloong/sqlike/sqlike/actions"
"github.com/si3nloong/sqlike/sqlike/options"
"github.com/si3nloong/sqlike/types"
"github.com/stretchr/testify/require"
)
type dumpStruct struct {
UUID uuid.UUID
String string
Bool bool
Int64 int64
Int int
Uint64 uint64
Uint uint
Byte []byte
JSONRaw json.RawMessage
JSON struct{}
Array []string
// Point orb.Point
// LineString orb.LineString
Enum Enum `sqlike:",enum=SUCCESS|FAILED|UNKNOWN"`
Set types.Set `sqlike:",set=A|B|C"`
Date civil.Date
DateTime time.Time
PtrString *string
PtrBool *bool
PtrInt64 *int64
PtrUint64 *uint64
PtrJSONRaw *json.RawMessage
PtrDate *civil.Date
PtrTime *civil.Time
PtrDateTime *time.Time
}
// SQLDumpExamples :
func SQLDumpExamples(ctx context.Context, t *testing.T, client *sqlike.Client) {
db := client.Database("sqlike")
table := db.Table("sqldump")
if err := table.DropIfExists(ctx); err != nil {
require.NoError(t, err)
}
table.MustUnsafeMigrate(ctx, dumpStruct{})
// generate data
data := make([]dumpStruct, 10)
for i := 0; i < len(data); i++ {
data[i] = newDumpStruct()
}
{
if _, err := table.Insert(
ctx, &data,
options.Insert().SetDebug(true),
); err != nil {
require.NoError(t, err)
}
}
{
// zip all sql files
file, err := ioutil.TempFile("", ".sql")
if err != nil {
panic(err)
}
defer os.Remove(file.Name())
// utcNow := time.Now().UTC().Add(-1 * time.Hour * 48)
zero := time.Time{}
filter := expr.And(
expr.GreaterThan("DateTime", zero.Format("2006-01-02 15:04:05")),
)
offset := uint(0)
limit := uint(10)
dumper := sqldump.NewDumper("mysql", client)
// backup 100 records per time
for {
// check how many records return or backup
affected, err := dumper.BackupTo(
ctx,
actions.Find().
From("sqlike", "sqldump").
Where(filter).
Offset(offset).
Limit(limit),
file,
)
if err != nil {
if err != sql.ErrNoRows {
require.NoError(t, err)
}
break
}
if affected < int64(limit) {
break
}
offset += limit
}
file.Close()
err = table.Truncate(ctx)
require.NoError(t, err)
// b, err := ioutil.ReadFile(file.Name())
// if err != nil {
// panic(err)
// }
// log.Println(string(b))
// result, err := client.Exec(string(b))
// require.NoError(t, err)
// affected, err := result.RowsAffected()
// require.NoError(t, err)
// log.Println(affected)
}
}
func newDumpStruct() (o dumpStruct) {
date := gofakeit.Date()
o.UUID = uuid.New()
o.String = gofakeit.Name()
o.Int = int(gofakeit.Int32())
o.Int64 = gofakeit.Int64()
o.Uint = uint(gofakeit.Uint32())
o.Uint64 = gofakeit.Uint64()
o.JSONRaw = []byte(`{"id": 100, "message": "hello world"}`)
o.Date = civil.Date{Year: date.Year(), Month: date.Month(), Day: date.Day()}
o.Enum = Enum(gofakeit.RandString([]string{
"SUCCESS",
"FAILED",
"UNKNOWN",
}))
o.Set = []string{"A", "C"}
o.DateTime = gofakeit.Date()
// o.Timestamp = types.Timestamp(gofakeit.Date())
// o.Point = orb.Point{gofakeit.Longitude(), gofakeit.Latitude()}
// o.LineString = orb.LineString{
// orb.Point{gofakeit.Longitude(), gofakeit.Latitude()},
// orb.Point{gofakeit.Longitude(), gofakeit.Latitude()},
// orb.Point{gofakeit.Longitude(), gofakeit.Latitude()},
// }
str := gofakeit.Address().Address
num := gofakeit.Int64()
ts := gofakeit.Date()
o.PtrString = &str
o.PtrInt64 = &num
o.PtrDateTime = &ts
return
}