tablestore

package
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Published: Jan 12, 2019 License: MPL-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package tablestore contains an implementation of the `gokv.Store` interface for Alibaba Cloud Table Store.

Index

Constants

This section is empty.

Variables

View Source
var DefaultOptions = Options{
	TableName: "gokv",
	Codec:     encoding.JSON,
}

DefaultOptions is an Options object with default values. TableName: "gokv", ReservedReadCap: 0, ReservedWriteCap: 0, Codec: encoding.JSON.

Functions

This section is empty.

Types

type Client

type Client struct {
	// contains filtered or unexported fields
}

Client is a gokv.Store implementation for Table Store.

func NewClient

func NewClient(options Options) (Client, error)

NewClient creates a new Table Store client.

func (Client) Close

func (c Client) Close() error

Close closes the client. In the Table Store implementation this doesn't have any effect.

func (Client) Delete

func (c Client) Delete(k string) error

Delete deletes the stored value for the given key. Deleting a non-existing key-value pair does NOT lead to an error. The key must not be "".

func (Client) Get

func (c Client) Get(k string, v interface{}) (found bool, err error)

Get retrieves the stored value for the given key. You need to pass a pointer to the value, so in case of a struct the automatic unmarshalling can populate the fields of the object that v points to with the values of the retrieved object's values. If no value is found it returns (false, nil). The key must not be "" and the pointer must not be nil.

func (Client) Set

func (c Client) Set(k string, v interface{}) error

Set stores the given value for the given key. Values are automatically marshalled to JSON or gob (depending on the configuration). The key must not be "" and the value must not be nil.

type Options

type Options struct {
	// URL of the endpoint.
	// E.g. "https://mytable.ap-southeast-1.ots.aliyuncs.com".
	EndpointURL string
	// Name of the instance.
	// E.g. "mytable".
	InstanceName string
	// AccessKey ID.
	AccessKeyID string
	// AccessKey secret.
	AccessKeySecret string
	// Name of the table.
	// If the table doesn't exist yet, it's created automatically.
	// Optional ("gokv" by default).
	TableName string
	// Reserved read capacity.
	// 0 works fine, but doesn't *guarantee* any capacity.
	// Optional (0 by default).
	ReservedReadCap int
	// Reserved write capacity.
	// 0 works fine, but doesn't *guarantee* any capacity.
	// Optional (0 by default).
	ReservedWriteCap int
	// Encoding format.
	// Optional (encoding.JSON by default).
	Codec encoding.Codec
}

Options are the options for the Table Store client.

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