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Example code of google/cloud-spanner

Informations about the package cloud-spanner

Google Cloud Spanner for PHP

Idiomatic PHP client for Cloud Spanner.

Latest Stable Version Packagist

NOTE: This repository is part of Google Cloud PHP. Any support requests, bug reports, or development contributions should be directed to that project.

A fully managed, mission-critical, relational database service that offers transactional consistency at global scale, schemas, SQL (ANSI 2011 with extensions), and automatic, synchronous replication for high availability.

Installation

To begin, install the preferred dependency manager for PHP, Composer.

Now install this component:

This component requires the gRPC extension. Please see our gRPC installation guide for more information on how to configure the extension.

Authentication

Please see our Authentication guide for more information on authenticating your client. Once authenticated, you'll be ready to start making requests.

Sample

Session warmup

To issue a query against the Spanner service, the client library needs to request a session id from the server under the cover. This API call will add significant latency to your program. The Spanner client library provides a handy way to alleviate this problem by having a cached session pool.

For more details, see: https://github.com/googleapis/google-cloud-php/blob/main/Spanner/src/Session/CacheSessionPool.php#L30

The following example shows how to use the CacheSessionPool with SysVCacheItemPool as well as how to configure a proper cache for authentication:

By using a cache implementation like SysVCacheItemPool, you can share the cached sessions among multiple processes, so that for example, you can warmup the session upon the server startup, then all the other PHP processes will benefit from the warmed up sessions.

Version

This component is considered GA (generally available). As such, it will not introduce backwards-incompatible changes in any minor or patch releases. We will address issues and requests with the highest priority.

Next Steps

  1. Understand the official documentation.
  2. Take a look at in-depth usage samples.

All versions of cloud-spanner with dependencies

PHP Build Version
Package Version
Requires php Version ^8.0
ext-grpc Version *
google/cloud-core Version ^1.52.7
google/gax Version ^1.32
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