Create clients

Create a client that can read, write, and run transactions.

Explore further

For detailed documentation that includes this code sample, see the following:

Getting started with Spanner in Go

Code sample

Go

To learn how to install and use the client library for Spanner, see Spanner client libraries .

To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  import 
  
 ( 
  
 "context" 
  
 "io" 
  
 "cloud.google.com/go/spanner" 
  
 database 
  
 "cloud.google.com/go/spanner/admin/database/apiv1" 
 ) 
 func 
  
 createClients 
 ( 
 w 
  
 io 
 . 
 Writer 
 , 
  
 db 
  
 string 
 ) 
  
 error 
  
 { 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 adminClient 
 , 
  
 err 
  
 := 
  
 database 
 . 
 NewDatabaseAdminClient 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 err 
  
 } 
  
 defer 
  
 adminClient 
 . 
 Close 
 () 
  
 dataClient 
 , 
  
 err 
  
 := 
  
 spanner 
 . 
 NewClient 
 ( 
 ctx 
 , 
  
 db 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 err 
  
 } 
  
 defer 
  
 dataClient 
 . 
 Close 
 () 
  
 _ 
  
 = 
  
 adminClient 
  
 _ 
  
 = 
  
 dataClient 
  
 return 
  
 nil 
 }

What's next

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