use base qw/DBIx::Class::Storage::DBI/;
use mro 'c3';
-use POSIX 'strftime';
-use File::Copy;
-use File::Spec;
+use DBIx::Class::Carp;
+use Scalar::Util 'looks_like_number';
+use namespace::clean;
-sub _dbh_last_insert_id {
- my ($self, $dbh, $source, $col) = @_;
- $dbh->func('last_insert_rowid');
-}
+__PACKAGE__->sql_maker_class('DBIx::Class::SQLMaker::SQLite');
+__PACKAGE__->sql_limit_dialect ('LimitOffset');
+__PACKAGE__->sql_quote_char ('"');
+__PACKAGE__->datetime_parser_type ('DateTime::Format::SQLite');
+
+=head1 NAME
+
+DBIx::Class::Storage::DBI::SQLite - Automatic primary key class for SQLite
+
+=head1 SYNOPSIS
+
+ # In your table classes
+ use base 'DBIx::Class::Core';
+ __PACKAGE__->set_primary_key('id');
+
+=head1 DESCRIPTION
+
+This class implements autoincrements for SQLite.
+
+=head1 METHODS
+
+=cut
+
+sub backup {
+
+ require File::Spec;
+ require File::Copy;
+ require POSIX;
-sub backup
-{
my ($self, $dir) = @_;
$dir ||= './';
{
$dbname = $1 if($dsn =~ /^dbi:SQLite:(.+)$/i);
}
- $self->throw_exception("Cannot determine name of SQLite db file")
+ $self->throw_exception("Cannot determine name of SQLite db file")
if(!$dbname || !-f $dbname);
# print "Found database: $dbname\n";
# my $dbfile = file($dbname);
my ($vol, $dbdir, $file) = File::Spec->splitpath($dbname);
# my $file = $dbfile->basename();
- $file = strftime("%Y-%m-%d-%H_%M_%S", localtime()) . $file;
+ $file = POSIX::strftime("%Y-%m-%d-%H_%M_%S", localtime()) . $file;
$file = "B$file" while(-f $file);
mkdir($dir) unless -f $dir;
my $backupfile = File::Spec->catfile($dir, $file);
- my $res = copy($dbname, $backupfile);
+ my $res = File::Copy::copy($dbname, $backupfile);
$self->throw_exception("Backup failed! ($!)") if(!$res);
return $backupfile;
}
+sub _exec_svp_begin {
+ my ($self, $name) = @_;
+
+ $self->_dbh->do("SAVEPOINT $name");
+}
+
+sub _exec_svp_release {
+ my ($self, $name) = @_;
+
+ $self->_dbh->do("RELEASE SAVEPOINT $name");
+}
+
+sub _exec_svp_rollback {
+ my ($self, $name) = @_;
+
+ # For some reason this statement changes the value of $dbh->{AutoCommit}, so
+ # we localize it here to preserve the original value.
+ local $self->_dbh->{AutoCommit} = $self->_dbh->{AutoCommit};
+
+ $self->_dbh->do("ROLLBACK TRANSACTION TO SAVEPOINT $name");
+}
+
sub deployment_statements {
- my $self = shift;;
+ my $self = shift;
my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_;
$sqltargs ||= {};
- my $sqlite_version = $self->_get_dbh->{sqlite_version};
+ if (
+ ! exists $sqltargs->{producer_args}{sqlite_version}
+ and
+ my $dver = $self->_server_info->{normalized_dbms_version}
+ ) {
+ $sqltargs->{producer_args}{sqlite_version} = $dver;
+ }
- # numify, SQLT does a numeric comparison
- $sqlite_version =~ s/^(\d+) \. (\d+) (?: \. (\d+))? .*/${1}.${2}/x;
+ $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
+}
- $sqltargs->{producer_args}{sqlite_version} = $sqlite_version;
+# In addition to checking for integer data_types, we need to check for generic
+# NUMBER data_types with a zero scale, such as NUMBER(38,0) in Oracle, which are
+# integer types. Because bind_attribute_by_data_type cannot check the
+# column_info size, and the regexes are very hairy, we do the checking in
+# _resolve_bindattrs and cache the result of the check in the column_info.
+#
+sub _resolve_bindattrs {
+ my $self = shift;
+ my ($ident, $bind, $colinfos) = @_;
- $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
+ $colinfos = $self->_resolve_column_info($ident)
+ unless keys %$colinfos;
+
+ my $binds = $self->next::method(@_);
+
+ BIND: foreach my $bind (@$binds) {
+ my $attrs = $bind->[0];
+ my $col = $attrs->{dbic_colname};
+
+ if (exists $colinfos->{$col}{_is_integer_data_type}
+ && $colinfos->{$col}{_is_integer_data_type} == 1) { # cached
+
+ $attrs->{dbd_attrs} = do { require DBI; DBI::SQL_INTEGER() };
+ next BIND;
+ }
+
+ my $data_type = $attrs->{sqlt_datatype};
+ my $size = $attrs->{sqlt_size};
+
+ my $is_int_type = $self->_is_integer_type($data_type) ? 1 : 0;
+
+ # This should really live in ::DBI and cache in column_info, but currently
+ # only needed in SQLite.
+ if ((not $is_int_type)
+ && (ref $size eq 'ARRAY' && $size->[1] == 0)
+ && $data_type =~ /^(?:real|float|double(?:\s+precision)?|dec(?:imal)?|numeric|number|fixed|money|currency)(?:\s+unsigned)?\z/i) {
+
+ $is_int_type = 1;
+ }
+
+ if ($is_int_type) {
+ $attrs->{dbd_attrs} = do { require DBI; DBI::SQL_INTEGER() };
+
+ $colinfos->{$col}{_is_integer_data_type} = 1; # cache
+ }
+ }
+
+ return $binds;
}
-sub datetime_parser_type { return "DateTime::Format::SQLite"; }
+# DBD::SQLite (at least up to version 1.31 has a bug where it will
+# non-fatally nummify a string value bound as an integer, resulting
+# in insertions of '0' into supposed-to-be-numeric fields
+# Since this can result in severe data inconsistency, remove the
+# bind attr if such a sitation is detected
+#
+# FIXME - when a DBD::SQLite version is released that eventually fixes
+# this sutiation (somehow) - no-op this override once a proper DBD
+# version is detected
+#
+sub _dbi_attrs_for_bind {
+ my ($self, $ident, $bind) = @_;
+
+ my $bindattrs = $self->next::method($ident, $bind);
+
+ for (0.. $#$bindattrs) {
+ if (
+ defined $bindattrs->[$_]
+ and
+ defined $bind->[$_][1]
+ and
+ $bindattrs->[$_] eq DBI::SQL_INTEGER()
+ and
+ ! looks_like_number ($bind->[$_][1])
+ ) {
+ carp_unique( sprintf (
+ "Non-numeric value supplied for column '%s' despite the numeric datatype",
+ $bind->[$_][0]{dbic_colname} || "# $_"
+ ) );
+ undef $bindattrs->[$_];
+ }
+ }
-1;
+ return $bindattrs;
+}
-=head1 NAME
+=head2 connect_call_use_foreign_keys
-DBIx::Class::Storage::DBI::SQLite - Automatic primary key class for SQLite
+Used as:
-=head1 SYNOPSIS
+ on_connect_call => 'use_foreign_keys'
- # In your table classes
- __PACKAGE__->load_components(qw/PK::Auto Core/);
- __PACKAGE__->set_primary_key('id');
+In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to turn on foreign key
+(including cascading) support for recent versions of SQLite and L<DBD::SQLite>.
-=head1 DESCRIPTION
+Executes:
-This class implements autoincrements for SQLite.
+ PRAGMA foreign_keys = ON
+
+See L<http://www.sqlite.org/foreignkeys.html> for more information.
+
+=cut
+
+sub connect_call_use_foreign_keys {
+ my $self = shift;
+
+ $self->_do_query(
+ 'PRAGMA foreign_keys = ON'
+ );
+}
+
+1;
=head1 AUTHORS