1 files changed, 16 insertions, 0 deletions
diff --git a/Bugzilla/DB/Schema/Oracle.pm b/Bugzilla/DB/Schema/Oracle.pm
index 814a842b3..e8905eb80 100644
--- a/Bugzilla/DB/Schema/Oracle.pm
+++ b/Bugzilla/DB/Schema/Oracle.pm
@@ -412,4 +412,20 @@ sub get_set_serial_sql {
     return @sql;
 } 
 
+sub get_drop_column_ddl {
+    my $self = shift;
+    my ($table, $column) = @_;
+    my @sql;
+    push(@sql, $self->SUPER::get_drop_column_ddl(@_));
+    my $dbh=Bugzilla->dbh;
+    my $trigger_name = uc($table . "_" . $column);
+    my $exist_trigger = $dbh->selectcol_arrayref(
+        "SELECT OBJECT_NAME FROM USER_OBJECTS
+         WHERE OBJECT_NAME = ?", undef, $trigger_name);
+    if(@$exist_trigger) {
+        push(@sql, "DROP TRIGGER $trigger_name");
+    }
+    return @sql;
+}
+
 1;