diff --git a/go/vt/vtgate/engine/cached_size.go b/go/vt/vtgate/engine/cached_size.go
index c764a6aab08..e59832cdab5 100644
--- a/go/vt/vtgate/engine/cached_size.go
+++ b/go/vt/vtgate/engine/cached_size.go
@@ -465,7 +465,7 @@ func (cached *Insert) CachedSize(alloc bool) int64 {
 	}
 	size := int64(0)
 	if alloc {
-		size += int64(224)
+		size += int64(240)
 	}
 	// field InsertCommon vitess.io/vitess/go/vt/vtgate/engine.InsertCommon
 	size += cached.InsertCommon.CachedSize(false)
@@ -546,7 +546,7 @@ func (cached *InsertSelect) CachedSize(alloc bool) int64 {
 	}
 	size := int64(0)
 	if alloc {
-		size += int64(176)
+		size += int64(192)
 	}
 	// field InsertCommon vitess.io/vitess/go/vt/vtgate/engine.InsertCommon
 	size += cached.InsertCommon.CachedSize(false)
@@ -609,7 +609,7 @@ func (cached *Limit) CachedSize(alloc bool) int64 {
 	}
 	size := int64(0)
 	if alloc {
-		size += int64(48)
+		size += int64(64)
 	}
 	// field Count vitess.io/vitess/go/vt/vtgate/evalengine.Expr
 	if cc, ok := cached.Count.(cachedObject); ok {
diff --git a/go/vt/vtgate/evalengine/cached_size.go b/go/vt/vtgate/evalengine/cached_size.go
index c1ed1f9475c..d51c65c75b4 100644
--- a/go/vt/vtgate/evalengine/cached_size.go
+++ b/go/vt/vtgate/evalengine/cached_size.go
@@ -1181,6 +1181,18 @@ func (cached *builtinLastDay) CachedSize(alloc bool) int64 {
 	size += cached.CallExpr.CachedSize(false)
 	return size
 }
+func (cached *builtinLastInsertID) CachedSize(alloc bool) int64 {
+	if cached == nil {
+		return int64(0)
+	}
+	size := int64(0)
+	if alloc {
+		size += int64(48)
+	}
+	// field CallExpr vitess.io/vitess/go/vt/vtgate/evalengine.CallExpr
+	size += cached.CallExpr.CachedSize(false)
+	return size
+}
 func (cached *builtinLeftRight) CachedSize(alloc bool) int64 {
 	if cached == nil {
 		return int64(0)