my @primary = $source->primary_columns;
my %unique_constraints = $source->unique_constraints;
foreach my $uniq (keys %unique_constraints) {
- if (!equal_keys($unique_constraints{$uniq}, \@primary)) {
+ if (!$source->compare_relationship_keys($unique_constraints{$uniq}, \@primary)) {
$table->add_constraint(
type => 'unique',
name => "$uniq",
{
my $rel_info = $source->relationship_info($rel);
- my $rel_table = $source->related_source($rel)->name;
-
# Ignore any rel cond that isn't a straight hash
next unless ref $rel_info->{cond} eq 'HASH';
+ my $othertable = $source->related_source($rel);
+ my $rel_table = $othertable->name;
+
# Get the key information, mapping off the foreign/self markers
my @cond = keys(%{$rel_info->{cond}});
my @refkeys = map {/^\w+\.(\w+)$/} @cond;
if($rel_table)
{
+ my $reverse_rels = $source->reverse_relationship_info($rel);
+ my ($otherrelname, $otherrelationship) = each %{$reverse_rels};
+
+ my $on_delete = '';
+ my $on_update = '';
+
+ if (defined $otherrelationship) {
+ $on_delete = $otherrelationship->{'attrs'}->{cascade_delete} ? 'CASCADE' : '';
+ $on_update = $otherrelationship->{'attrs'}->{cascade_copy} ? 'CASCADE' : '';
+ }
+
#Decide if this is a foreign key based on whether the self
#items are our primary columns.
# If the sets are different, then we assume it's a foreign key from
# us to another table.
- if (!equal_keys(\@keys, \@primary)) {
+ if (!$source->compare_relationship_keys(\@keys, \@primary)) {
$table->add_constraint(
type => 'foreign_key',
name => "fk_$keys[0]",
fields => \@keys,
reference_fields => \@refkeys,
reference_table => $rel_table,
+ on_delete => $on_delete,
+ on_update => $on_update
);
}
}
return 1;
}
-# -------------------------------------------------------------------
-# equal_keys($key1, $key2)
-#
-# See if the set of keys in $key1 is equal to the set of keys in $key2
-# -------------------------------------------------------------------
-sub equal_keys {
- my ($key1, $key2) = @_;
-
- # Make sure every key1 is in key2
- my $found;
- foreach my $key (@$key1) {
- $found = 0;
- foreach my $prim (@$key2) {
- if ($prim eq $key) {
- $found = 1;
- last;
- }
- }
- last unless $found;
- }
-
- # Make sure every key2 is in key1
- if ($found) {
- foreach my $prim (@$key2) {
- $found = 0;
- foreach my $key (@$key1) {
- if ($prim eq $key) {
- $found = 1;
- last;
- }
- }
- last unless $found;
- }
- }
-
- return $found;
-}
-
1;
+