# Some mistakes the fault of Matt S Trout
+# Others the fault of Ash Berlin
+
use strict;
use warnings;
use vars qw($DEBUG $VERSION @EXPORT_OK);
# We're working with DBIx::Class Schemas, not data streams.
# -------------------------------------------------------------------
sub parse {
- my ($tr, $data) = @_;
- my $args = $tr->parser_args;
- my $dbixschema = $args->{'DBIx::Schema'} || $data;
- $dbixschema ||= $args->{'package'};
+ my ($tr, $data) = @_;
+ my $args = $tr->parser_args;
+ my $dbixschema = $args->{'DBIx::Schema'} || $data;
+ $dbixschema ||= $args->{'package'};
+ my $limit_sources = $args->{'sources'};
die 'No DBIx::Schema' unless ($dbixschema);
if (!ref $dbixschema) {
# print Dumper($dbixschema->registered_classes);
#foreach my $tableclass ($dbixschema->registered_classes)
- foreach my $moniker ($dbixschema->sources)
+
+ my %seen_tables;
+
+ my @monikers = $dbixschema->sources;
+ if ($limit_sources) {
+ my $ref = ref $limit_sources || '';
+ die "'sources' parameter must be an array or hash ref" unless $ref eq 'ARRAY' || ref eq 'HASH';
+
+ # limit monikers to those specified in
+ my $sources;
+ if ($ref eq 'ARRAY') {
+ $sources->{$_} = 1 for (@$limit_sources);
+ } else {
+ $sources = $limit_sources;
+ }
+ @monikers = grep { $sources->{$_} } @monikers;
+ }
+
+
+ foreach my $moniker (sort @monikers)
{
- #eval "use $tableclass";
- #print("Can't load $tableclass"), next if($@);
my $source = $dbixschema->source($moniker);
+ next if $seen_tables{$source->name}++;
+
my $table = $schema->add_table(
name => $source->name,
type => 'TABLE',
my $colcount = 0;
foreach my $col ($source->columns)
{
- # assuming column_info in dbix is the same as DBI (?)
+ # assuming column_info in dbic is the same as DBI (?)
# data_type is a number, column_type is text?
my %colinfo = (
name => $col,
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 @rels = $source->relationships();
- foreach my $rel (@rels)
+
+ my %created_FK_rels;
+
+ foreach my $rel (sort @rels)
{
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' : '';
+ }
+
+ my $is_deferrable = $rel_info->{attrs}{is_deferrable} || 0;
+
+ # Make sure we dont create the same foreign key constraint twice
+ my $key_test = join("\x00", @keys);
#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)) {
+ # OR: If is_foreign_key_constraint attr is explicity set (or set to false) on the relation
+ if ( ! exists $created_FK_rels{$rel_table}->{$key_test} &&
+ ( exists $rel_info->{attrs}{is_foreign_key_constraint} ?
+ $rel_info->{attrs}{is_foreign_key_constraint} :
+ !$source->compare_relationship_keys(\@keys, \@primary)
+ )
+ )
+ {
+ $created_FK_rels{$rel_table}->{$key_test} = 1;
$table->add_constraint(
type => 'foreign_key',
name => "fk_$keys[0]",
fields => \@keys,
reference_fields => \@refkeys,
reference_table => $rel_table,
+ on_delete => $on_delete,
+ on_update => $on_update,
+ deferrable => $is_deferrable,
);
}
}
}
- }
- return 1;
-}
-# -------------------------------------------------------------------
-# equal_keys($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) {
- $found = 1;
- last;
- }
+ if ($source->result_class->can('sqlt_deploy_hook')) {
+ $source->result_class->sqlt_deploy_hook($table);
}
- 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 $found;
- }
+ if ($dbixschema->can('sqlt_deploy_hook')) {
+ $dbixschema->sqlt_deploy_hook($schema);
}
- return $found;
+ return 1;
}
1;
+
projects / dbsrgits/DBIx-Class.git / blobdiff