use Scalar::Util();
use List::Util();
+# what version of sqlt do we require if deploy() without a ddl_dir is invoked
+# when changing also adjust the corresponding author_require in Makefile.PL
+my $minimum_sqlt_version = '0.11002';
+
+
__PACKAGE__->mk_group_accessors('simple' =>
qw/_connect_info _dbi_connect_info _dbh _sql_maker _sql_maker_opts _conn_pid
_conn_tid transaction_depth _dbh_autocommit _driver_determined savepoints/
my $schema = MySchema->connect('dbi:SQLite:my.db');
$schema->storage->debug(1);
- $schema->dbh_do("DROP TABLE authors");
+
+ my @stuff = $schema->storage->dbh_do(
+ sub {
+ my ($storage, $dbh, @args) = @_;
+ $dbh->do("DROP TABLE authors");
+ },
+ @column_list
+ );
$schema->resultset('Book')->search({
written_on => $schema->storage->datetime_parser(DateTime->now)
my $self = shift;
my $code = shift;
- my $dbh = $self->_dbh;
+ my $dbh = $self->_get_dbh;
return $self->$code($dbh, @_) if $self->{_in_dbh_do}
|| $self->{transaction_depth};
my $want_array = wantarray;
eval {
- $self->_verify_pid if $dbh;
- if(!$self->_dbh) {
- $self->_populate_dbh;
- $dbh = $self->_dbh;
- }
if($want_array) {
@result = $self->$code($dbh, @_);
my $tried = 0;
while(1) {
eval {
- $self->_verify_pid if $self->_dbh;
- $self->_populate_dbh if !$self->_dbh;
+ $self->_get_dbh;
$self->txn_begin;
if($want_array) {
# this is the internal "get dbh or connect (don't check)" method
sub _get_dbh {
my $self = shift;
+ $self->_verify_pid if $self->_dbh;
$self->_populate_dbh unless $self->_dbh;
return $self->_dbh;
}
return $self->_sql_maker;
}
+# nothing to do by default
sub _rebless {}
+sub _init {}
sub _populate_dbh {
my ($self) = @_;
if ($self->_dbh) { # we are connected
$driver = $self->_dbh->{Driver}{Name};
} else {
- # try to use dsn to not require being connected, the driver may still
- # force a connection in _rebless to determine version
- ($driver) = $self->_dbi_connect_info->[0] =~ /dbi:([^:]+):/i;
- $started_unconnected = 1;
+ # if connect_info is a CODEREF, we have no choice but to connect
+ if (ref $self->_dbi_connect_info->[0] &&
+ Scalar::Util::reftype($self->_dbi_connect_info->[0]) eq 'CODE') {
+ $self->_populate_dbh;
+ $driver = $self->_dbh->{Driver}{Name};
+ }
+ else {
+ # try to use dsn to not require being connected, the driver may still
+ # force a connection in _rebless to determine version
+ ($driver) = $self->_dbi_connect_info->[0] =~ /dbi:([^:]+):/i;
+ $started_unconnected = 1;
+ }
}
my $storage_class = "DBIx::Class::Storage::DBI::${driver}";
$self->_driver_determined(1);
+ $self->_init; # run driver-specific initializations
+
$self->_run_connection_actions
if $started_unconnected && defined $self->_dbh;
}
my @bind = map { [ undef, $_ ] } @do_args;
$self->_query_start($sql, @bind);
- $self->_dbh->do($sql, $attrs, @do_args);
+ $self->_get_dbh->do($sql, $attrs, @do_args);
$self->_query_end($sql, @bind);
}
$weak_self->throw_exception("DBI Exception: $_[0]");
}
else {
+ # the handler may be invoked by something totally out of
+ # the scope of DBIC
croak ("DBI Exception: $_[0]");
}
};
sub _dbh_begin_work {
my $self = shift;
+
+ # if the user is utilizing txn_do - good for him, otherwise we need to
+ # ensure that the $dbh is healthy on BEGIN.
+ # We do this via ->dbh_do instead of ->dbh, so that the ->dbh "ping"
+ # will be replaced by a failure of begin_work itself (which will be
+ # then retried on reconnect)
if ($self->{_in_dbh_do}) {
$self->_dbh->begin_work;
} else {
## scalar refs, or at least, all the same type as the first set, the statement is
## only prepped once.
sub insert_bulk {
- my ($self, $source, $cols, $data) = @_;
+ my ($self, $source, $cols, $data, $sth_attr) = @_;
+
+# redispatch to insert_bulk method of storage we reblessed into, if necessary
+ if (not $self->_driver_determined) {
+ $self->_determine_driver;
+ goto $self->can('insert_bulk');
+ }
+
my %colvalues;
- my $table = $source->from;
@colvalues{@$cols} = (0..$#$cols);
- my ($sql, @bind) = $self->sql_maker->insert($table, \%colvalues);
- $self->_determine_driver;
+ # pass scalarref to SQLA for literal sql if it's the same in all slices
+ for my $i (0..$#$cols) {
+ my $first_val = $data->[0][$i];
+ next unless (Scalar::Util::reftype($first_val)||'') eq 'SCALAR';
+
+ $colvalues{ $cols->[$i] } = $first_val
+ if (grep {
+ (Scalar::Util::reftype($_)||'') eq 'SCALAR' &&
+ $$_ eq $$first_val
+ } map $data->[$_][$i], (1..$#$data)) == (@$data - 1);
+ }
+
+ my ($sql, $bind) = $self->_prep_for_execute (
+ 'insert', undef, $source, [\%colvalues]
+ );
+ my @bind = @$bind;
+
+ my $empty_bind = 1 if (not @bind) &&
+ (grep { (Scalar::Util::reftype($_)||'') eq 'SCALAR' } values %colvalues)
+ == @$cols;
+
+ if ((not @bind) && (not $empty_bind)) {
+ $self->throw_exception(
+ 'Cannot insert_bulk without support for placeholders'
+ );
+ }
$self->_query_start( $sql, @bind );
- my $sth = $self->sth($sql);
+ my $sth = $self->sth($sql, 'insert', $sth_attr);
-# @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args
+ my $rv = do {
+ if ($empty_bind) {
+ # bind_param_array doesn't work if there are no binds
+ $self->_execute_array_empty( $sth, scalar @$data );
+ }
+ else {
+# @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args
+ $self->_execute_array( $source, $sth, \@bind, $cols, $data );
+ }
+ };
+
+ $self->_query_end( $sql, @bind );
+
+ return (wantarray ? ($rv, $sth, @bind) : $rv);
+}
+
+sub _execute_array {
+ my ($self, $source, $sth, $bind, $cols, $data, $guard) = @_;
## This must be an arrayref, else nothing works!
my $tuple_status = [];
## Bind the values and execute
my $placeholder_index = 1;
- foreach my $bound (@bind) {
+ foreach my $bound (@$bind) {
my $attributes = {};
my ($column_name, $data_index) = @$bound;
$sth->bind_param_array( $placeholder_index, [@data], $attributes );
$placeholder_index++;
}
+
my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) };
- if (my $err = $@) {
+
+# only needed for Sybase, it requires a commit before the $sth->finish
+ $guard->commit if $guard;
+
+ $sth->finish;
+
+ if (my $err = $@ || $sth->errstr) {
my $i = 0;
++$i while $i <= $#$tuple_status && !ref $tuple_status->[$i];
- $self->throw_exception($sth->errstr || "Unexpected populate error: $err")
+ $self->throw_exception("Unexpected populate error: $err")
if ($i > $#$tuple_status);
- require Data::Dumper;
- local $Data::Dumper::Terse = 1;
- local $Data::Dumper::Indent = 1;
- local $Data::Dumper::Useqq = 1;
- local $Data::Dumper::Quotekeys = 0;
-
$self->throw_exception(sprintf "%s for populate slice:\n%s",
- $tuple_status->[$i][1],
- Data::Dumper::Dumper(
- { map { $cols->[$_] => $data->[$i][$_] } (0 .. $#$cols) }
- ),
+ ($tuple_status->[$i][1] || $err),
+ $self->_pretty_print ({
+ map { $cols->[$_] => $data->[$i][$_] } (0 .. $#$cols)
+ }),
);
}
- $self->throw_exception($sth->errstr) if !$rv;
- $self->_query_end( $sql, @bind );
- return (wantarray ? ($rv, $sth, @bind) : $rv);
+ return $rv;
+}
+
+sub _execute_array_empty {
+ my ($self, $sth, $count) = @_;
+ eval {
+ my $dbh = $self->_get_dbh;
+ local $dbh->{RaiseError} = 1;
+ local $dbh->{PrintError} = 0;
+ foreach (1..$count) {
+ $sth->execute;
+# In case of a multi-statement with a select, some DBDs (namely Sybase) require
+# the cursor to be exhausted.
+ $sth->fetchall_arrayref;
+ }
+ };
+ my $exception = $@;
+ $sth->finish;
+ $self->throw_exception($exception) if $exception;
+
+ return $count;
}
sub update {
return @pcols ? \@pcols : [ 1 ];
}
-#
-# Returns an ordered list of column names before they are used
-# in a SELECT statement. By default simply returns the list
-# passed in.
-#
-# This may be overridden in a specific storage when there are
-# requirements such as moving BLOB columns to the end of the
-# SELECT list.
-sub _order_select_columns {
+=head2 order_select_columns
+
+=over 4
+
+=item Arguments: $source, \@columns
+
+=back
+
+Returns an ordered list of column names to be used in a SELECT statement. By
+default simply returns the list that was passed in.
+
+This may be overridden in a specific storage when there are requirements such as
+moving BLOB columns to the end of the SELECT list.
+
+=cut
+
+sub order_select_columns {
#my ($self, $source, $columns) = @_;
return @{$_[2]};
}
=cut
sub _dbh_sth {
- my ($self, $dbh, $sql) = @_;
+ my ($self, $dbh, $sql, $op, $sth_attr) = @_;
+# $op is ignored right now
+
+ $sth_attr ||= {};
# 3 is the if_active parameter which avoids active sth re-use
my $sth = $self->disable_sth_caching
- ? $dbh->prepare($sql)
- : $dbh->prepare_cached($sql, {}, 3);
+ ? $dbh->prepare($sql, $sth_attr)
+ : $dbh->prepare_cached($sql, $sth_attr, 3);
# XXX You would think RaiseError would make this impossible,
# but apparently that's not true :(
}
sub sth {
- my ($self, $sql) = @_;
- $self->dbh_do('_dbh_sth', $sql); # retry over disconnects
+ my ($self, $sql, $op, $sth_attr) = @_;
+ $self->dbh_do('_dbh_sth', $sql, $op, $sth_attr); # retry over disconnects
}
sub _dbh_columns_info_for {
%{$sqltargs || {}}
};
- $self->throw_exception(q{Can't create a ddl file without SQL::Translator 0.09003: '}
- . $self->_check_sqlt_message . q{'})
- if !$self->_check_sqlt_version;
+ $self->throw_exception("Can't create a ddl file without SQL::Translator: " . $self->_sqlt_version_error)
+ if !$self->_sqlt_version_ok;
my $sqlt = SQL::Translator->new( $sqltargs );
return join('', @rows);
}
- $self->throw_exception(q{Can't deploy without SQL::Translator 0.09003: '}
- . $self->_check_sqlt_message . q{'})
- if !$self->_check_sqlt_version;
+ $self->throw_exception("Can't deploy without either SQL::Translator or a ddl_dir: " . $self->_sqlt_version_error )
+ if !$self->_sqlt_version_ok;
# sources needs to be a parser arg, but for simplicty allow at top level
# coming in
sub datetime_parser {
my $self = shift;
return $self->{datetime_parser} ||= do {
- $self->_populate_dbh unless $self->_dbh;
$self->build_datetime_parser(@_);
};
}
=cut
sub build_datetime_parser {
+ if (not $_[0]->_driver_determined) {
+ $_[0]->_determine_driver;
+ goto $_[0]->can('build_datetime_parser');
+ }
+
my $self = shift;
my $type = $self->datetime_parser_type(@_);
- eval "use ${type}";
- $self->throw_exception("Couldn't load ${type}: $@") if $@;
+ $self->ensure_class_loaded ($type);
return $type;
}
-{
- my $_check_sqlt_version; # private
- my $_check_sqlt_message; # private
- sub _check_sqlt_version {
- return $_check_sqlt_version if defined $_check_sqlt_version;
- eval 'use SQL::Translator "0.09003"';
- $_check_sqlt_message = $@ || '';
- $_check_sqlt_version = !$@;
- }
-
- sub _check_sqlt_message {
- _check_sqlt_version if !defined $_check_sqlt_message;
- $_check_sqlt_message;
- }
-}
=head2 is_replicating
return;
}
+# SQLT version handling
+{
+ my $_sqlt_version_ok; # private
+ my $_sqlt_version_error; # private
+
+ sub _sqlt_version_ok {
+ if (!defined $_sqlt_version_ok) {
+ eval "use SQL::Translator $minimum_sqlt_version";
+ if ($@) {
+ $_sqlt_version_ok = 0;
+ $_sqlt_version_error = $@;
+ }
+ else {
+ $_sqlt_version_ok = 1;
+ }
+ }
+ return $_sqlt_version_ok;
+ }
+
+ sub _sqlt_version_error {
+ shift->_sqlt_version_ok unless defined $_sqlt_version_ok;
+ return $_sqlt_version_error;
+ }
+
+ sub _sqlt_minimum_version { $minimum_sqlt_version };
+}
+
sub DESTROY {
my $self = shift;
+
$self->_verify_pid if $self->_dbh;
# some databases need this to stop spewing warnings
if (my $dbh = $self->_dbh) {
+ local $@;
eval { $dbh->disconnect };
}
projects / dbsrgits/DBIx-Class.git / blobdiff