/usr/share/perl5/DBIx/Class/Schema/Loader/DBI/SQLAnywhere.pm is in libdbix-class-schema-loader-perl 0.07042-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 | package DBIx::Class::Schema::Loader::DBI::SQLAnywhere;
use strict;
use warnings;
use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault';
use mro 'c3';
use List::MoreUtils 'any';
use namespace::clean;
use DBIx::Class::Schema::Loader::Table ();
our $VERSION = '0.07042';
=head1 NAME
DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI
SQL Anywhere Implementation.
=head1 DESCRIPTION
See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
sub _system_schemas {
return (qw/dbo SYS diagnostics rs_systabgroup SA_DEBUG/);
}
sub _setup {
my $self = shift;
$self->next::method(@_);
$self->preserve_case(1)
unless defined $self->preserve_case;
$self->schema->storage->sql_maker->quote_char('"');
$self->schema->storage->sql_maker->name_sep('.');
$self->db_schema([($self->dbh->selectrow_array('select user'))[0]])
unless $self->db_schema;
if (ref $self->db_schema eq 'ARRAY' && $self->db_schema->[0] eq '%') {
my @users = grep { my $uname = $_; not any { $_ eq $uname } $self->_system_schemas }
@{ $self->dbh->selectcol_arrayref('select user_name from sysuser') };
$self->db_schema(\@users);
}
}
sub _tables_list {
my ($self, $opts) = @_;
my @tables;
foreach my $schema (@{ $self->db_schema }) {
my $sth = $self->dbh->prepare(<<'EOF');
SELECT t.table_name name
FROM systab t
JOIN sysuser u
ON t.creator = u.user_id
WHERE u.user_name = ?
EOF
$sth->execute($schema);
my @table_names = map @$_, @{ $sth->fetchall_arrayref };
foreach my $table_name (@table_names) {
push @tables, DBIx::Class::Schema::Loader::Table->new(
loader => $self,
name => $table_name,
schema => $schema,
);
}
}
return $self->_filter_tables(\@tables, $opts);
}
sub _columns_info_for {
my $self = shift;
my ($table) = @_;
my $result = $self->next::method(@_);
my $dbh = $self->schema->storage->dbh;
while (my ($col, $info) = each %$result) {
my $def = $info->{default_value};
if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') {
delete $info->{default_value};
$info->{is_auto_increment} = 1;
}
my ($user_type) = $dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, lc($col));
SELECT ut.type_name
FROM systabcol tc
JOIN systab t
ON tc.table_id = t.table_id
JOIN sysuser u
ON t.creator = u.user_id
JOIN sysusertype ut
ON tc.user_type = ut.type_id
WHERE u.user_name = ? AND t.table_name = ? AND lower(tc.column_name) = ?
EOF
$info->{data_type} = $user_type if defined $user_type;
if ($info->{data_type} eq 'double') {
$info->{data_type} = 'double precision';
}
if ($info->{data_type} =~ /^(?:char|varchar|binary|varbinary)\z/ && ref($info->{size}) eq 'ARRAY') {
$info->{size} = $info->{size}[0];
}
elsif ($info->{data_type} !~ /^(?:char|varchar|binary|varbinary|numeric|decimal)\z/) {
delete $info->{size};
}
my $sth = $dbh->prepare(<<'EOF');
SELECT tc.width, tc.scale
FROM systabcol tc
JOIN systab t
ON t.table_id = tc.table_id
JOIN sysuser u
ON t.creator = u.user_id
WHERE u.user_name = ? AND t.table_name = ? AND lower(tc.column_name) = ?
EOF
$sth->execute($table->schema, $table->name, lc($col));
my ($width, $scale) = $sth->fetchrow_array;
$sth->finish;
if ($info->{data_type} =~ /^(?:numeric|decimal)\z/) {
# We do not check for the default precision/scale, because they can be changed as PUBLIC database options.
$info->{size} = [$width, $scale];
}
elsif ($info->{data_type} =~ /^(?:n(?:varchar|char) | varbit)\z/x) {
$info->{size} = $width;
}
elsif ($info->{data_type} eq 'float') {
$info->{data_type} = 'real';
}
if ((eval { lc ${ $info->{default_value} } }||'') eq 'current timestamp') {
${ $info->{default_value} } = 'current_timestamp';
my $orig_deflt = 'current timestamp';
$info->{original}{default_value} = \$orig_deflt;
}
}
return $result;
}
sub _table_pk_info {
my ($self, $table) = @_;
local $self->dbh->{FetchHashKeyName} = 'NAME_lc';
my $sth = $self->dbh->prepare(qq{sp_pkeys ?, ?});
$sth->execute($table->name, $table->schema);
my @keydata;
while (my $row = $sth->fetchrow_hashref) {
push @keydata, $self->_lc($row->{column_name});
}
return \@keydata;
}
my %sqlany_rules = (
C => 'CASCADE',
D => 'SET DEFAULT',
N => 'SET NULL',
R => 'RESTRICT',
);
sub _table_fk_info {
my ($self, $table) = @_;
my ($local_cols, $remote_cols, $remote_table, $attrs, @rels);
my $sth = $self->dbh->prepare(<<'EOF');
SELECT fki.index_name fk_name, fktc.column_name local_column, pku.user_name remote_schema, pkt.table_name remote_table, pktc.column_name remote_column, on_delete.referential_action, on_update.referential_action
FROM sysfkey fk
JOIN (
select foreign_table_id, foreign_index_id,
row_number() over (partition by foreign_table_id order by foreign_index_id) foreign_key_num
from sysfkey
) fkid
ON fkid.foreign_table_id = fk.foreign_table_id and fkid.foreign_index_id = fk.foreign_index_id
JOIN systab pkt
ON fk.primary_table_id = pkt.table_id
JOIN sysuser pku
ON pkt.creator = pku.user_id
JOIN systab fkt
ON fk.foreign_table_id = fkt.table_id
JOIN sysuser fku
ON fkt.creator = fku.user_id
JOIN sysidx pki
ON fk.primary_table_id = pki.table_id AND fk.primary_index_id = pki.index_id
JOIN sysidx fki
ON fk.foreign_table_id = fki.table_id AND fk.foreign_index_id = fki.index_id
JOIN sysidxcol fkic
ON fkt.table_id = fkic.table_id AND fki.index_id = fkic.index_id
JOIN systabcol pktc
ON pkt.table_id = pktc.table_id AND fkic.primary_column_id = pktc.column_id
JOIN systabcol fktc
ON fkt.table_id = fktc.table_id AND fkic.column_id = fktc.column_id
LEFT JOIN systrigger on_delete
ON on_delete.foreign_table_id = fkt.table_id AND on_delete.foreign_key_id = fkid.foreign_key_num
AND on_delete.event = 'D'
LEFT JOIN systrigger on_update
ON on_update.foreign_table_id = fkt.table_id AND on_update.foreign_key_id = fkid.foreign_key_num
AND on_update.event = 'C'
WHERE fku.user_name = ? AND fkt.table_name = ?
ORDER BY fk.primary_table_id, pktc.column_id
EOF
$sth->execute($table->schema, $table->name);
while (my ($fk, $local_col, $remote_schema, $remote_tab, $remote_col, $on_delete, $on_update)
= $sth->fetchrow_array) {
push @{$local_cols->{$fk}}, $self->_lc($local_col);
push @{$remote_cols->{$fk}}, $self->_lc($remote_col);
$remote_table->{$fk} = DBIx::Class::Schema::Loader::Table->new(
loader => $self,
name => $remote_tab,
schema => $remote_schema,
);
$attrs->{$fk} ||= {
on_delete => $sqlany_rules{$on_delete||''} || 'RESTRICT',
on_update => $sqlany_rules{$on_update||''} || 'RESTRICT',
# We may be able to use the value of the 'CHECK ON COMMIT' option, as it seems
# to be some sort of workaround for lack of deferred constraints. Unclear on
# how good of a substitute it is, and it requires the 'RESTRICT' rule. Also it
# only works for INSERT and UPDATE, not DELETE. Will get back to this.
is_deferrable => 1,
};
}
foreach my $fk (keys %$remote_table) {
push @rels, {
local_columns => $local_cols->{$fk},
remote_columns => $remote_cols->{$fk},
remote_table => $remote_table->{$fk},
attrs => $attrs->{$fk},
};
}
return \@rels;
}
sub _table_uniq_info {
my ($self, $table) = @_;
my $sth = $self->dbh->prepare(<<'EOF');
SELECT c.constraint_name, tc.column_name
FROM sysconstraint c
JOIN systab t
ON c.table_object_id = t.object_id
JOIN sysuser u
ON t.creator = u.user_id
JOIN sysidx i
ON c.ref_object_id = i.object_id
JOIN sysidxcol ic
ON i.table_id = ic.table_id AND i.index_id = ic.index_id
JOIN systabcol tc
ON ic.table_id = tc.table_id AND ic.column_id = tc.column_id
WHERE c.constraint_type = 'U' AND u.user_name = ? AND t.table_name = ?
EOF
$sth->execute($table->schema, $table->name);
my $constraints;
while (my ($constraint_name, $column) = $sth->fetchrow_array) {
push @{$constraints->{$constraint_name}}, $self->_lc($column);
}
return [ map { [ $_ => $constraints->{$_} ] } sort keys %$constraints ];
}
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
=head1 AUTHOR
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
1;
# vim:et sw=4 sts=4 tw=0:
|