in create_titleid/idmapping.go [61:70]
func CheckForExistingContentId(ddbClient *dynamodb.Client, tableName *string, contentId int32) (int32, []string, error) {
expr, err := expression.NewBuilder().
WithKeyCondition(expression.Key("contentid").Equal(expression.Value(contentId))).
Build()
if err != nil {
return -1, nil, err
}
return IndexLookup(ddbClient, tableName, "contentid", &expr)
}