From e2a95ffbe2beb52bf3e69102b4646ddf5793d8df Mon Sep 17 00:00:00 2001
From: Frédéric Buclin <LpSolit@gmail.com>
Date: Tue, 24 Jan 2012 18:41:55 +0100
Subject: Bug 715870: [Oracle] Related sequences and triggers must be removed
 when dropping a table r=mkanat a=LpSolit

---
 Bugzilla/DB/Schema/Oracle.pm | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'Bugzilla/DB')

diff --git a/Bugzilla/DB/Schema/Oracle.pm b/Bugzilla/DB/Schema/Oracle.pm
index cdc39409d..f2d5b8be0 100644
--- a/Bugzilla/DB/Schema/Oracle.pm
+++ b/Bugzilla/DB/Schema/Oracle.pm
@@ -386,13 +386,31 @@ sub get_rename_table_sql {
         }
         if ($def->{TYPE} =~ /varchar|text/i && $def->{NOTNULL}) {
             push(@sql, _get_notnull_trigger_ddl($new_name, $column));
-            push(@sql, "DROP TRIGGER ${$old_name}_${column}");
+            push(@sql, "DROP TRIGGER ${old_name}_${column}");
         }
     }
 
     return @sql;
 }
 
+sub get_drop_table_ddl {
+    my ($self, $name) = @_;
+    my @sql;
+
+    my @columns = $self->get_table_columns($name);
+    foreach my $column (@columns) {
+        my $def = $self->get_column_abstract($name, $column);
+        if ($def->{TYPE} =~ /SERIAL/i) {
+            # If there's a SERIAL column on this table, we also need
+            # to remove the sequence.
+            push(@sql, "DROP SEQUENCE ${name}_${column}_SEQ");
+        }
+    }
+    push(@sql, "DROP TABLE $name CASCADE CONSTRAINTS PURGE");
+
+    return @sql;
+}
+
 sub _get_notnull_trigger_ddl {
       my ($table, $column) = @_;
 
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