Calling mysql LAST_INSERT_ID(expr) function (#977)

Author: dchertkov

internal/engine/dolphin/stdlib.go

@@ -1795,6 +1795,15 @@ func defaultSchema(name string) *catalog.Schema {
 			Args:       []*catalog.Argument{},
 			ReturnType: &ast.TypeName{Name: "bigint"},
 		},
+		{
+			Name:       "LAST_INSERT_ID",
+			Args:       []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
 		{
 			Name: "LAST_VALUE",
 			Args: []*catalog.Argument{