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main.go
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main.go
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package main
import (
"context"
"fmt"
"time"
"github.com/uptrace/go-clickhouse/ch"
)
type Model struct {
ch.CHModel `ch:",columnar,engine:Null()"`
Col1 []uint64
Col2 []string
Col3 [][]uint8
Col4 []time.Time
}
func benchmark(ctx context.Context, db *ch.DB) error {
var model Model
for i := 0; i < 1_000_000; i++ {
model.Col1 = append(model.Col1, uint64(i))
model.Col2 = append(model.Col2, "Golang SQL database driver")
model.Col3 = append(model.Col3, []uint8{1, 2, 3, 4, 5, 6, 7, 8, 9})
model.Col4 = append(model.Col4, time.Now())
}
_, err := db.NewInsert().Model(&model).Exec(ctx)
return err
}
func main() {
ctx := context.Background()
db := ch.Connect(
ch.WithDatabase("test"),
ch.WithCompression(false),
)
if err := db.ResetModel(ctx, (*Model)(nil)); err != nil {
panic(err)
}
start := time.Now()
if err := benchmark(ctx, db); err != nil {
panic(err)
}
fmt.Println(time.Since(start))
}