update

Documentation

Overview

Simulate updates by adding test data to a Spanner database

Index

• Constants
• func AddAllNoTxn(ctx context.Context, client *spanner.Client, ...) (*int64, error)
• func AddAllTxn(ctx context.Context, client *spanner.Client, ...) (*int64, error)
• func CountRows(client *spanner.Client, fieldName, tableName string) (int64, error)
• type AppError
  • func (e AppError) Error() string

Constants

const (
	NOT_FOUND     = -1
	SPANNER_ERROR = -2
)

Functions

func AddAllNoTxn

func AddAllNoTxn(ctx context.Context, client *spanner.Client,
	firstName, lastName, albumTitle string) (*int64, error)

Adds a singer and album first checking for the existence of the singer but not in the same transaction. Returns: The id of the singer, either existing or newly created

func AddAllTxn

func AddAllTxn(ctx context.Context, client *spanner.Client,
	firstName, lastName, albumTitle string) (*int64, error)

Adds a singer and album first checking for existence within the transaction Return the album id created or that already existed

func CountRows

func CountRows(client *spanner.Client,
	fieldName, tableName string) (int64, error)

Count the singers with a select query

Types

type AppError

type AppError struct {
	Message string
	Code    int
}

func (AppError) Error

func (e AppError) Error() string