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add db.Ping() example

Konstantin Kulikov 2015-08-08 12:48:54 +03:00
parent 0b80d6a417
commit c7758ebedc
1 changed files with 7 additions and 1 deletions
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8
SQLInterface.md

@ -23,7 +23,13 @@ Where driver specifies a database driver and dataSourceName
specifies database-specific connection information specifies database-specific connection information
such as database name and authentication credentials. such as database name and authentication credentials.
Note that Open does not directly open a database connection: this is deferred until a query is made. To verify that a connection can be made before making a query, use the Ping function. Note that Open does not directly open a database connection: this is deferred until a query is made. To verify that a connection can be made before making a query, use the Ping function:
```
if err := db.Ping(); err != nil {
log.Fatal(err)
}
```
After use, the database is closed using Close. After use, the database is closed using Close.