ds-sdk/demo/sql_entity.go

package main

import (
	"fmt"
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/ds-sdk/sdk"
	"git.sxidc.com/service-supports/ds-sdk/sql"
	"git.sxidc.com/service-supports/ds-sdk/sql/sql_tpl"
	"time"
)

func main() {
	err := sdk.InitInstance(token, address, httpPort, grpcPort, namespace, dataSource)
	if err != nil {
		panic(err)
	}

	defer func() {
		err := sdk.DestroyInstance()
		if err != nil {
			panic(err)
		}
	}()

	now := time.Now()
	graduatedTime := now.AddDate(3, 0, 0)
	classID := strutils.SimpleUUID()
	studentIDs := []string{strutils.SimpleUUID(), strutils.SimpleUUID(), strutils.SimpleUUID()}

	class := &Class{
		IDField:       IDField{ID: classID},
		Name:          "001",
		StudentNum:    10,
		GraduatedTime: &graduatedTime,
		StudentIDs:    studentIDs,
	}

	newClass := &Class{
		IDField:       IDField{ID: classID},
		Name:          "",
		StudentNum:    30,
		GraduatedTime: &graduatedTime,
		StudentIDs:    studentIDs,
	}

	err = sql.InsertEntity(sdk.GetInstance(), tableName, class)
	if err != nil {
		panic(err)
	}

	result, err := sql.QueryOne(sdk.GetInstance(), &sql_tpl.QueryOneExecuteParams{
		TableName:  tableName,
		Conditions: sql_tpl.NewConditions().Equal("id", classID),
	})
	if err != nil {
		panic(err)
	}

	classInfo, err := sql.ParseSqlResult[Class](result)
	if err != nil {
		panic(err)
	}

	fmt.Println("Class Info:")
	fmt.Printf("%#+v\n", classInfo)

	classInfos, err := sql.ParseSqlResult[[]Class](result)
	if err != nil {
		panic(err)
	}

	fmt.Println("Class Info:")
	fmt.Printf("%#+v\n", classInfos[0])

	err = sql.UpdateEntity(sdk.GetInstance(), tableName, newClass)
	if err != nil {
		panic(err)
	}

	result, err = sql.QueryOne(sdk.GetInstance(), &sql_tpl.QueryOneExecuteParams{
		TableName:  tableName,
		Conditions: sql_tpl.NewConditions().Equal("id", classID),
	})
	if err != nil {
		panic(err)
	}

	classInfo, err = sql.ParseSqlResult[Class](result)
	if err != nil {
		panic(err)
	}

	fmt.Println("Class Info:")
	fmt.Printf("%#+v\n", classInfo)

	err = sql.DeleteEntity(sdk.GetInstance(), tableName, &Class{IDField: IDField{ID: classID}})
	if err != nil {
		panic(err)
	}

	_, err = sql.QueryOne(sdk.GetInstance(), &sql_tpl.QueryOneExecuteParams{
		TableName:  tableName,
		Conditions: sql_tpl.NewConditions().Equal("id", classID),
	})
	if err != nil && !sdk.IsErrorDBRecordNotExist(err) {
		panic(err)
	}
}