X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ovsdb%2Fexecution.c;h=300c247a3d98a3485b217006c5eb9c978e07229a;hb=e06d06a7b3386cd7a60fae1b77ae0acedf42c3e3;hp=675c1c31a7ca603cff1c983d11c0550b73aa7e2f;hpb=454ec971d79a921e2e97516ddb9c725d0cfa607d;p=openvswitch

diff --git a/ovsdb/execution.c b/ovsdb/execution.c
index 675c1c31..300c247a 100644
--- a/ovsdb/execution.c
+++ b/ovsdb/execution.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2010, 2011 Nicira Networks
+/* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -434,6 +434,22 @@ ovsdb_execute_update(struct ovsdb_execution *x, struct ovsdb_parser *parser,
     if (!error) {
         error = parse_row(row_json, table, x->symtab, &row, &columns);
     }
+    if (!error) {
+        size_t i;
+
+        for (i = 0; i < columns.n_columns; i++) {
+            const struct ovsdb_column *column = columns.columns[i];
+
+            if (!column->mutable) {
+                error = ovsdb_syntax_error(parser->json,
+                                           "constraint violation",
+                                           "Cannot update immutable column %s "
+                                           "in table %s.",
+                                           column->name, table->schema->name);
+                break;
+            }
+        }
+    }
     if (!error) {
         error = ovsdb_condition_from_json(table->schema, where, x->symtab,
                                           &condition);