database/sql: add context methods
Add context methods to sql and sql/driver methods. If
the driver doesn't implement context methods the connection
pool will still handle timeouts when a query fails to return
in time or when a connection is not available from the pool
in time.
There will be a follow-up CL that will add support for
context values that specify transaction levels and modes
that a driver can use.
Fixes #15123
Change-Id: Ia99f3957aa3f177b23044dd99d4ec217491a30a7
Reviewed-on: https://go-review.googlesource.com/29381
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/src/database/sql/sql_test.go b/src/database/sql/sql_test.go
index 41afd00..9fcb2e3 100644
--- a/src/database/sql/sql_test.go
+++ b/src/database/sql/sql_test.go
@@ -5,6 +5,7 @@
package sql
import (
+ "context"
"database/sql/driver"
"errors"
"fmt"
@@ -1159,17 +1160,19 @@
db.SetMaxOpenConns(3)
- conn0, err := db.conn(cachedOrNewConn)
+ ctx := context.Background()
+
+ conn0, err := db.conn(ctx, cachedOrNewConn)
if err != nil {
t.Fatalf("db open conn fail: %v", err)
}
- conn1, err := db.conn(cachedOrNewConn)
+ conn1, err := db.conn(ctx, cachedOrNewConn)
if err != nil {
t.Fatalf("db open conn fail: %v", err)
}
- conn2, err := db.conn(cachedOrNewConn)
+ conn2, err := db.conn(ctx, cachedOrNewConn)
if err != nil {
t.Fatalf("db open conn fail: %v", err)
}