use strict;
use warnings;
-use base 'DBIx::Class::Schema::Loader::DBI';
+use base 'DBIx::Class::Schema::Loader::DBI::Sybase::Common';
use Carp::Clan qw/^DBIx::Class/;
use Class::C3;
-our $VERSION = '0.04999_06';
+our $VERSION = '0.07000';
=head1 NAME
-DBIx::Class::Schema::Loader::DBI::Sybase - DBIx::Class::Schema::Loader::DBI Sybase Implementation.
-
-=head1 SYNOPSIS
-
- package My::Schema;
- use base qw/DBIx::Class::Schema::Loader/;
-
- __PACKAGE__->loader_options( debug => 1 );
-
- 1;
+DBIx::Class::Schema::Loader::DBI::Sybase - DBIx::Class::Schema::Loader::DBI
+Sybase ASE Implementation.
=head1 DESCRIPTION
-See L<DBIx::Class::Schema::Loader::Base>.
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
-sub _setup {
- my $self = shift;
-
- $self->next::method(@_);
- $self->{db_schema} ||= 'dbo';
-}
+sub _is_case_sensitive { 1 }
sub _rebless {
my $self = shift;
my $dbh = $self->schema->storage->dbh;
my $DBMS_VERSION = @{$dbh->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})}[2];
if ($DBMS_VERSION =~ /^Microsoft /i) {
- my $subclass = 'DBIx::Class::Schema::Loader::DBI::MSSQL';
+ $DBMS_VERSION =~ s/\s/_/g;
+ my $subclass = "DBIx::Class::Schema::Loader::DBI::Sybase::$DBMS_VERSION";
if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
bless $self, $subclass;
$self->_rebless;
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
- my $columns = $dbh->selectcol_arrayref(qq{SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = '$table' AND type = 'U')});
+ my $columns = $dbh->selectcol_arrayref(qq{
+SELECT c.name
+FROM syscolumns c JOIN sysobjects o
+ON c.id = o.id
+WHERE o.name = @{[ $dbh->quote($table) ]} AND o.type = 'U'
+});
return $columns;
}
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare(qq{sp_pkeys '$table'});
+ my $sth = $dbh->prepare(qq{sp_pkeys @{[ $dbh->quote($table) ]}});
$sth->execute;
my @keydata;
while (my $row = $sth->fetchrow_hashref) {
- push @keydata, lc $row->{column_name};
+ push @keydata, $row->{column_name};
}
return \@keydata;
sub _table_fk_info {
my ($self, $table) = @_;
+ # check if FK_NAME is supported
+
+ my $dbh = $self->schema->storage->dbh;
+ local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ # hide "Object does not exist in this database." when trying to fetch fkeys
+ local $dbh->{syb_err_handler} = sub { return $_[0] == 17461 ? 0 : 1 };
+ my $sth = $dbh->prepare(qq{sp_fkeys \@fktable_name = @{[ $dbh->quote($table) ]}});
+ $sth->execute;
+ my $row = $sth->fetchrow_hashref;
+
+ return unless $row;
+
+ if (exists $row->{fk_name}) {
+ $sth->finish;
+ return $self->_table_fk_info_by_name($table);
+ }
+
+ $sth->finish;
+ return $self->_table_fk_info_builder($table);
+}
+
+sub _table_fk_info_by_name {
+ my ($self, $table) = @_;
my ($local_cols, $remote_cols, $remote_table, @rels);
+
my $dbh = $self->schema->storage->dbh;
+ local $dbh->{FetchHashKeyName} = 'NAME_lc';
# hide "Object does not exist in this database." when trying to fetch fkeys
- $dbh->{syb_err_handler} = sub { return 0 if $_[0] == 17461; };
- my $sth = $dbh->prepare(qq{sp_fkeys \@FKTABLE_NAME = '$table'});
+ local $dbh->{syb_err_handler} = sub { return $_[0] == 17461 ? 0 : 1 };
+ my $sth = $dbh->prepare(qq{sp_fkeys \@fktable_name = @{[ $dbh->quote($table) ]}});
$sth->execute;
while (my $row = $sth->fetchrow_hashref) {
- next unless $row->{FK_NAME};
- my $fk = $row->{FK_NAME};
- push @{$local_cols->{$fk}}, lc $row->{FKCOLUMN_NAME};
- push @{$remote_cols->{$fk}}, lc $row->{PKCOLUMN_NAME};
- $remote_table->{$fk} = $row->{PKTABLE_NAME};
+ my $fk = $row->{fk_name};
+ next unless defined $fk;
+
+ push @{$local_cols->{$fk}}, $row->{fkcolumn_name};
+ push @{$remote_cols->{$fk}}, $row->{pkcolumn_name};
+ $remote_table->{$fk} = $row->{pktable_name};
}
foreach my $fk (keys %$remote_table) {
return \@rels;
}
-sub _table_uniq_info {
+sub _table_fk_info_builder {
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare(qq{sp_helpconstraint \@objname='$table', \@nomsg='nomsg'});
+ local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ # hide "Object does not exist in this database." when trying to fetch fkeys
+ local $dbh->{syb_err_handler} = sub { return 0 if $_[0] == 17461; };
+ my $sth = $dbh->prepare(qq{sp_fkeys \@fktable_name = @{[ $dbh->quote($table) ]}});
$sth->execute;
+ my @fk_info;
+ while (my $row = $sth->fetchrow_hashref) {
+ (my $ksq = $row->{key_seq}) =~ s/\s+//g;
+
+ my @keys = qw/pktable_name pkcolumn_name fktable_name fkcolumn_name/;
+ my %ds;
+ @ds{@keys} = @{$row}{@keys};
+ $ds{key_seq} = $ksq;
+
+ push @{ $fk_info[$ksq] }, \%ds;
+ }
+
+ my $max_keys = $#fk_info;
+ my @rels;
+ for my $level (reverse 1 .. $max_keys) {
+ my @level_rels;
+ $level_rels[$level] = splice @fk_info, $level, 1;
+ my $count = @{ $level_rels[$level] };
+
+ for my $sub_level (reverse 1 .. $level-1) {
+ my $total = @{ $fk_info[$sub_level] };
+
+ $level_rels[$sub_level] = [
+ splice @{ $fk_info[$sub_level] }, $total-$count, $count
+ ];
+ }
+
+ while (1) {
+ my @rel = map shift @$_, @level_rels[1..$level];
+
+ last unless defined $rel[0];
+
+ my @local_columns = map $_->{fkcolumn_name}, @rel;
+ my @remote_columns = map $_->{pkcolumn_name}, @rel;
+ my $remote_table = $rel[0]->{pktable_name};
+
+ push @rels, {
+ local_columns => \@local_columns,
+ remote_columns => \@remote_columns,
+ remote_table => $remote_table
+ };
+ }
+ }
+
+ return \@rels;
+}
+
+sub _table_uniq_info {
+ my ($self, $table) = @_;
+
+ local $SIG{__WARN__} = sub {};
+
+ my $dbh = $self->schema->storage->dbh;
+ local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ my $sth = $dbh->prepare(qq{sp_helpconstraint \@objname=@{[ $dbh->quote($table) ]}, \@nomsg='nomsg'});
+ eval { $sth->execute };
+ return if $@;
+
my $constraints;
while (my $row = $sth->fetchrow_hashref) {
- my $type = $row->{constraint_type} || '';
- if ($type =~ /^unique/i) {
- my $name = lc $row->{constraint_name};
- push @{$constraints->{$name}}, ( split /,/, lc $row->{constraint_keys} );
+ if (exists $row->{constraint_type}) {
+ my $type = $row->{constraint_type} || '';
+ if ($type =~ /^unique/i) {
+ my $name = $row->{constraint_name};
+ push @{$constraints->{$name}},
+ ( split /,/, $row->{constraint_keys} );
+ }
+ } else {
+ my $def = $row->{definition} || next;
+ next unless $def =~ /^unique/i;
+ my $name = $row->{name};
+ my ($keys) = $def =~ /\((.*)\)/;
+ $keys =~ s/\s*//g;
+ my @keys = split /,/ => $keys;
+ push @{$constraints->{$name}}, @keys;
}
}
return \@uniqs;
}
+# get the correct data types, defaults and size
+sub _columns_info_for {
+ my $self = shift;
+ my ($table) = @_;
+ my $result = $self->next::method(@_);
+
+ my $dbh = $self->schema->storage->dbh;
+ my $sth = $dbh->prepare(qq{
+SELECT c.name name, bt.name base_type, ut.name user_type, cm.text deflt, c.prec prec, c.scale scale, c.length len
+FROM syscolumns c
+JOIN sysobjects o ON c.id = o.id
+LEFT JOIN systypes bt ON c.type = bt.type
+LEFT JOIN systypes ut ON c.usertype = ut.usertype
+LEFT JOIN syscomments cm
+ ON cm.id = CASE WHEN c.cdefault = 0 THEN c.computedcol ELSE c.cdefault END
+WHERE o.name = @{[ $dbh->quote($table) ]} AND o.type = 'U'
+});
+ $sth->execute;
+ local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ my $info = $sth->fetchall_hashref('name');
+
+ while (my ($col, $res) = each %$result) {
+ my $data_type = $res->{data_type} = $info->{$col}{user_type} || $info->{$col}{base_type};
+
+ if ($data_type && $data_type =~ /^timestamp\z/i) {
+ $res->{inflate_datetime} = 0;
+ }
+
+ if (my $default = $info->{$col}{deflt}) {
+ if ($default =~ /^AS \s+ (\S+)/ix) {
+ my $function = $1;
+ $res->{default_value} = \$function;
+
+ if ($function =~ /^getdate\b/) {
+ $res->{inflate_datetime} = 1;
+ }
+
+ delete $res->{size};
+ $res->{data_type} = undef;
+ }
+ elsif ($default =~ /^DEFAULT \s+ (\S+)/ix) {
+ my ($constant_default) = $1 =~ /^['"\[\]]?(.*?)['"\[\]]?\z/;
+ $res->{default_value} = $constant_default;
+ }
+ }
+
+ if (my $data_type = $res->{data_type}) {
+ if ($data_type eq 'int') {
+ $data_type = $res->{data_type} = 'integer';
+ }
+ elsif ($data_type eq 'decimal') {
+ $data_type = $res->{data_type} = 'numeric';
+ }
+
+ if ($data_type =~ /^(?:text|unitext|image|bigint|integer|smallint|tinyint|real|double|double precision|float|date|time|datetime|smalldatetime|money|smallmoney|timestamp|bit)\z/i) {
+ delete $res->{size};
+ }
+ elsif ($data_type eq 'numeric') {
+ my ($prec, $scale) = @{$info->{$col}}{qw/prec scale/};
+
+ if ($prec == 18 && $scale == 0) {
+ delete $res->{size};
+ }
+ else {
+ $res->{size} = [ $prec, $scale ];
+ }
+ }
+ elsif ($data_type =~ /^(?:unichar|univarchar)\z/i) {
+ $res->{size} /= 2;
+ }
+ }
+
+ if ($data_type eq 'float') {
+ $res->{data_type} = $info->{$col}{len} <= 4 ? 'real' : 'double precision';
+ }
+ }
+
+ return $result;
+}
+
sub _extra_column_info {
- my ($self, $info) = @_;
+ my ($self, $table, $column, $info, $dbi_info) = @_;
my %extra_info;
- my ($table, $column) = @$info{qw/TABLE_NAME COLUMN_NAME/};
-
my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare(qq{SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = '$table') AND (status & 0x80) = 0x80 AND name = '$column'});
+ my $sth = $dbh->prepare(qq{SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = @{[ $dbh->quote($table) ]}) AND (status & 0x80) = 0x80 AND name = @{[ $dbh->quote($column) ]}});
$sth->execute();
if ($sth->fetchrow_array) {
=head1 SEE ALSO
+L<DBIx::Class::Schema::Loader::DBI::Sybase::Common>,
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
=head1 AUTHOR
-Justin Hunter C<justin.d.hunter@gmail.com>
+See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+This library is free software; you can redistribute it and/or modify it under
+the same terms as Perl itself.
=cut