load

Documentation

Index

• type Service
  • func New(ctx context.Context, db *sql.DB, tableName string) (*Service, error)
  • func (s *Service) Exec(ctx context.Context, any interface{}, options ...loption.Option) (int, error)

Examples

• Service.Exec

Types

type Service

type Service struct {
	// contains filtered or unexported fields
}

Service represents service used to

func New

func New(ctx context.Context, db *sql.DB, tableName string) (*Service, error)

New creates instance of Service

func (*Service) Exec

func (s *Service) Exec(ctx context.Context, any interface{}, options ...loption.Option) (int, error)

Exec executes load statement specific for database

Example

package main

import (
	"context"
	"database/sql"
	"fmt"
	"github.com/viant/sqlx/io/load"
	"log"

	_ "github.com/viant/sqlx/metadata/product/mysql/load"
)

func main() {
	type Foo struct {
		ID   int
		Name string
	}
	dsn := ""
	db, err := sql.Open("mysql", dsn)
	if err != nil {
		log.Fatalln(err)
	}
	loader, err := load.New(context.Background(), db, "dest_table")
	if err != nil {
		log.Fatalln(err)
	}
	var data []Foo

	//data = getAppData()
	count, err := loader.Exec(context.TODO(), &data)
	if err != nil {
		log.Fatalln(err)
	}
	fmt.Printf("loaded %v\n", count)
}