db/scan_test.go

package db

import (
	"testing"
)

var myConn *Connection

func init() {
	database := Open(map[string]DBConfig{
		"mysql": {
			Driver:          "mysql",
			Host:            "localhost",
			Port:            "3366",
			Database:        "demo",
			Username:        "demo",
			Password:        "ded86bf25d661bb723f3898b2440dd678382e2dd",
			Charset:         "utf8mb4",
			MultiStatements: true,
			// ParseTime:       true,
		},
	})

	myConn = database.Connection("mysql")
}

func TestScanMapSlice(t *testing.T) {
	dest := []map[string]any{}

	myConn.Select("select * from fsm", []any{}, &dest)

	t.Log(dest)
}

func TestScanValues(t *testing.T) {

	dest := []int{}

	myConn.Select("select 1 as id", []any{}, &dest)

	t.Log(dest)
}

func TestScanMap(t *testing.T) {

	dest := map[string]any{}

	myConn.Select("select 0 as id, 'test' as code", []any{}, &dest)

	t.Log(dest)
}

func TestScanStruct(t *testing.T) {
	dest := struct {
		Id   int    `db:"id"`
		Code string `db:"code"`
	}{}

	myConn.Select(`select 0 as id, 'test' as code`, []any{}, &dest)

	t.Log(dest)
}

func TestScanJsonFieldStruct(t *testing.T) {

	dest := struct {
		Id   int            `db:"id"`
		Code string         `db:"code"`
		Map  map[string]any `db:"map"`
		Arr  []int64        `db:"arr"`
	}{}

	myConn.Select(`select 0 as id, NULL as code, '{"a":1}' as map, '[3, 4]' as arr`, []any{}, &dest)

	t.Log(dest)
}

func TestScanStructSlice(t *testing.T) {

	dest := []struct {
		Id   int    `db:"id"`
		Code string `db:"code"`
	}{}

	myConn.Select("select * from ((select 0 as id, 'test' as code) union (select 1 as id, 'test1' as code)) as t", []any{}, &dest)

	t.Log(dest)
}

func TestScanJsonFieldStructSlice(t *testing.T) {

	dest := []struct {
		Id   int            `db:"id"`
		Code string         `db:"code"`
		Map  map[string]any `db:"map"`
		Arr  []any          `db:"arr"`
	}{}

	myConn.Select(`select * from ((select 0 as id, 'test' as code, '{"a":1}' as map, '[1, 2]' as arr) union (select 1 as id, 'test1' as code, '{"a":2}' as map, '[1, 2]' as arr)) as t`, []any{}, &dest)

	t.Log(dest)
}