fix database dumpfile replacement

addons/functions/database.functions

@@ -52,11 +52,14 @@ function import_mysqldump() {
  check_code $?
 
  sub_splitter
- echo "Replacing create statements from the dump and removing drop statements"
+ echo "Replacing CREATE TABLE and DROP TABLE statements"
  # This is done so that tables aren't dropped
- sed -i "s/^DROP TABLE IF EXISTS /---DROP TABLE IF EXISTS /g" $dump_file
+ sed -i "s/^DROP TABLE IF EXISTS /-- DROP TABLE IF EXISTS /g" $dump_file
  sed -i "s/CREATE TABLE /CREATE TABLE IF NOT EXISTS /g" $dump_file
 
+ echo "Replacing INSERT statements"
+ sed -i "s/^INSERT INTO /INSERT IGNORE INTO /g" $dump_file
+
  # Delete this statement if its there because this table isn't in our schema anymore but some old deployments have it
  sed -i 's/DELETE IGNORE FROM `dhcp_fingerprint`;//g' $dump_file
  sed -i 's/DELETE IGNORE FROM `action`;//g' $dump_file