ddb_create_table.go

package main

// https://aws.amazon.com/ko/getting-started/hands-on/design-a-database-for-a-mobile-app-with-dynamodb/4/

import (
	"context"
	"encoding/json"
	"fmt"
	"log"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
	"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
)

func main() {
	const tableName = "new-table"

	cfg, err := config.LoadDefaultConfig(context.TODO())
	if err != nil {
		log.Fatal(err)
	}
	client := dynamodb.NewFromConfig(cfg)
	params := &dynamodb.CreateTableInput{
		TableName: aws.String(tableName),
		AttributeDefinitions: []types.AttributeDefinition{
			{
				AttributeName: aws.String("PK"),
				AttributeType: types.ScalarAttributeTypeS,
			},
			{
				AttributeName: aws.String("SK"),
				AttributeType: types.ScalarAttributeTypeS,
			},
		},
		KeySchema: []types.KeySchemaElement{
			{
				AttributeName: aws.String("PK"),
				KeyType:       types.KeyTypeHash,
			},
			{
				AttributeName: aws.String("SK"),
				KeyType:       types.KeyTypeRange,
			},
		},
		ProvisionedThroughput: &types.ProvisionedThroughput{
			ReadCapacityUnits:  aws.Int64(5),
			WriteCapacityUnits: aws.Int64(5),
		},
	}
	output, err := client.CreateTable(context.TODO(), params)
	// /*for debug*/
	if output != nil {
		jsonOutput, _ := json.MarshalIndent(output, "", "\t")
		fmt.Println(string(jsonOutput))
	}

	if err != nil {
		fmt.Println("Error!")
		log.Fatal(err)
	}
}