Add duration method to killable statements

sql/ast.go

@@ -45,6 +45,7 @@ type AuthableStatement interface {
 type KillableStatement interface {
 	Begin()
 	Cease()
+	Duration() time.Duration
 	Timedout() <-chan struct{}
 }
 
@@ -395,7 +396,7 @@ type DefineViewStatement struct {
 	DB    string `cork:"-" codec:"-"`
 	Name  *Ident `cork:"name" codec:"name"`
 	Expr  Fields `cork:"expr" codec:"expr"`
-	What  Exprs  `cork:"what" codec:"what"`
+	What  Tables `cork:"what" codec:"what"`
 	Cond  Expr   `cork:"cond" codec:"cond"`
 	Group Groups `cork:"group" codec:"group"`
 }

sql/kill.gen.go

@@ -48,6 +48,10 @@ func (s *SelectStatement) Cease() {
 	}
 }
 
+func (s *SelectStatement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *SelectStatement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil
@@ -84,6 +88,10 @@ func (s *CreateStatement) Cease() {
 	}
 }
 
+func (s *CreateStatement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *CreateStatement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil
@@ -120,6 +128,10 @@ func (s *UpdateStatement) Cease() {
 	}
 }
 
+func (s *UpdateStatement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *UpdateStatement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil
@@ -156,6 +168,10 @@ func (s *DeleteStatement) Cease() {
 	}
 }
 
+func (s *DeleteStatement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *DeleteStatement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil
@@ -192,6 +208,10 @@ func (s *RelateStatement) Cease() {
 	}
 }
 
+func (s *RelateStatement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *RelateStatement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil

sql/kill.gen.go.tmpl

@@ -46,6 +46,10 @@ func (s *{{$k.name}}Statement) Cease() {
 	}
 }
 
+func (s *{{$k.name}}Statement) Duration() time.Duration {
+	return s.Timeout
+}
+
 func (s *{{$k.name}}Statement) Timedout() <-chan struct{} {
 	if s.Timeout == 0 {
 		return nil