Bug 460922: [Oracle] Need to drop all the FKs before dropping tables - Patch by Xiaoo...

diff --git a/Bugzilla/DB/Oracle.pm b/Bugzilla/DB/Oracle.pm
index 9399bf225010a88f367616bff9212242aabcd55b..c8195d4a7b2174e2e439e0f9c0fb58433f169d14 100644 (file)
--- a/Bugzilla/DB/Oracle.pm
+++ b/Bugzilla/DB/Oracle.pm
@@ -208,6 +208,24 @@ sub sql_in {
     return "( " . join(" OR ", @in_str) . " )";
 }
 
+sub bz_drop_table {
+     my ($self, $name) = @_;
+     my $table_exists = $self->bz_table_info($name);
+     if ($table_exists) {
+         $self->_bz_drop_fks($name);
+         $self->SUPER::bz_drop_table($name);
+     }
+}
+
+# Dropping all FKs for a specified table. 
+sub _bz_drop_fks {
+    my ($self, $table) = @_;
+    my @columns = $self->_bz_real_schema->get_table_columns($table);
+    foreach my $column (@columns) {
+        $self->bz_drop_fk($table, $column);
+    }
+}
+
 sub _fix_empty {
     my ($string) = @_;
     $string = '' if $string eq EMPTY_STRING;