use Sub::Name 'subname';
use Context::Preserve 'preserve_context';
use Try::Tiny;
-use overload ();
use Data::Compare (); # no imports!!! guard against insane architecture
+use DBIx::Class::_Util qw(is_plain_value is_literal_value);
use namespace::clean;
# default cursor class, overridable in connect_info attributes
sub _determine_supports_join_optimizer { 1 };
# Each of these methods need _determine_driver called before itself
-# in order to function reliably. This is a purely DRY optimization
+# in order to function reliably. We also need to separate accessors
+# from plain old method calls, since an accessor called as a setter
+# does *not* need the driver determination loop fired (and in fact
+# can produce hard to find bugs, like e.g. losing on_connect_*
+# semantics on fresh connections)
#
-# get_(use)_dbms_capability need to be called on the correct Storage
-# class, as _use_X may be hardcoded class-wide, and _supports_X calls
-# _determine_supports_X which obv. needs a correct driver as well
-my @rdbms_specific_methods = qw/
+# The construct below is simply a parameterized around()
+my $storage_accessor_idx = { map { $_ => 1 } qw(
sqlt_type
- deployment_statements
+ datetime_parser_type
sql_maker
cursor_class
+)};
+for my $meth (keys %$storage_accessor_idx, qw(
+ deployment_statements
build_datetime_parser
- datetime_parser_type
txn_begin
_server_info
_get_server_version
-/;
-
-for my $meth (@rdbms_specific_methods) {
+)) {
my $orig = __PACKAGE__->can ($meth)
or die "$meth is not a ::Storage::DBI method!";
- no strict qw/refs/;
- no warnings qw/redefine/;
+ no strict 'refs';
+ no warnings 'redefine';
*{__PACKAGE__ ."::$meth"} = subname $meth => sub {
if (
# only fire when invoked on an instance, a valid class-based invocation
and
! $_[0]->{_in_determine_driver}
and
+ # if this is a known *setter* - just set it, no need to connect
+ # and determine the driver
+ ! ( $storage_accessor_idx->{$meth} and @_ > 1 )
+ and
# Only try to determine stuff if we have *something* that either is or can
# provide a DSN. Allows for bare $schema's generated with a plain ->connect()
# to still be marginally useful
my %seek_and_destroy;
sub _arm_global_destructor {
+
+ # quick "garbage collection" pass - prevents the registry
+ # from slowly growing with a bunch of undef-valued keys
+ defined $seek_and_destroy{$_} or delete $seek_and_destroy{$_}
+ for keys %seek_and_destroy;
+
weaken (
$seek_and_destroy{ refaddr($_[0]) } = $_[0]
);
sub dbh_do {
my $self = shift;
- my $run_target = shift;
+ my $run_target = shift; # either a coderef or a method name
# short circuit when we know there is no need for a runner
#
DBIx::Class::Storage::BlockRunner->new(
storage => $self,
- run_code => sub { $self->$run_target ($self->_get_dbh, @$args ) },
wrap_txn => 0,
- retry_handler => sub { ! ( $_[0]->retried_count or $_[0]->storage->connected ) },
- )->run;
+ retry_handler => sub {
+ $_[0]->failed_attempt_count == 1
+ and
+ ! $_[0]->storage->connected
+ },
+ )->run(sub {
+ $self->$run_target ($self->_get_dbh, @$args )
+ });
}
sub txn_do {
return $self->_dbh;
}
+# *DELIBERATELY* not a setter (for the time being)
+# Too intertwined with everything else for any kind of sanity
sub sql_maker {
- my ($self) = @_;
+ my $self = shift;
+
+ $self->throw_exception('sql_maker() is not a setter method') if @_;
+
unless ($self->_sql_maker) {
my $sql_maker_class = $self->sql_maker_class;
$self->_dbh(undef); # in case ->connected failed we might get sent here
$self->_dbh_details({}); # reset everything we know
+ $self->_sql_maker(undef); # this may also end up being different
$self->_dbh($self->_connect);
sub _resolve_bindattrs {
my ($self, $ident, $bind, $colinfos) = @_;
- $colinfos ||= {};
-
my $resolve_bindinfo = sub {
#my $infohash = shift;
- %$colinfos = %{ $self->_resolve_column_info($ident) }
- unless keys %$colinfos;
+ $colinfos ||= { %{ $self->_resolve_column_info($ident) } };
my $ret;
if (my $col = $_[0]->{dbic_colname}) {
my $resolved =
( ref $_ ne 'ARRAY' or @$_ != 2 ) ? [ {}, $_ ]
: ( ! defined $_->[0] ) ? [ {}, $_->[1] ]
- : (ref $_->[0] eq 'HASH') ? [ (exists $_->[0]{dbd_attrs} or $_->[0]{sqlt_datatype})
- ? $_->[0]
- : $resolve_bindinfo->($_->[0])
- , $_->[1] ]
+ : (ref $_->[0] eq 'HASH') ? [(
+ ! keys %{$_->[0]}
+ or
+ exists $_->[0]{dbd_attrs}
+ or
+ $_->[0]{sqlt_datatype}
+ ) ? $_->[0]
+ : $resolve_bindinfo->($_->[0])
+ , $_->[1]
+ ]
: (ref $_->[0] eq 'SCALAR') ? [ { sqlt_datatype => ${$_->[0]} }, $_->[1] ]
: [ $resolve_bindinfo->(
{ dbic_colname => $_->[0] }
and
length ref $resolved->[1]
and
- ! overload::Method($resolved->[1], '""')
+ ! is_plain_value $resolved->[1]
) {
require Data::Dumper;
local $Data::Dumper::Maxdepth = 1;
);
}
else {
- # FIXME SUBOPTIMAL - most likely this is not necessary at all
- # confirm with dbi-dev whether explicit stringification is needed
- my $v = ( length ref $bind->[$i][1] and overload::Method($bind->[$i][1], '""') )
- ? "$bind->[$i][1]"
- : $bind->[$i][1]
- ;
$sth->bind_param(
$i + 1,
- $v,
+ $bind->[$i][1],
$bind_attrs->[$i],
);
}
(
! exists $to_insert->{$col}
or
- ref $to_insert->{$col} eq 'SCALAR'
- or
- (ref $to_insert->{$col} eq 'REF' and ref ${$to_insert->{$col}} eq 'ARRAY')
+ is_literal_value($to_insert->{$col})
)
) {
$values{$col} = $self->_sequence_fetch(
}
# nothing to retrieve when explicit values are supplied
- next if (defined $to_insert->{$col} and ! (
- ref $to_insert->{$col} eq 'SCALAR'
- or
- (ref $to_insert->{$col} eq 'REF' and ref ${$to_insert->{$col}} eq 'ARRAY')
- ));
+ next if (
+ defined $to_insert->{$col} and ! is_literal_value($to_insert->{$col})
+ );
# the 'scalar keys' is a trick to preserve the ->columns declaration order
$retrieve_cols{$col} = scalar keys %retrieve_cols if (
my @col_range = (0..$#$cols);
- # FIXME SUBOPTIMAL - most likely this is not necessary at all
- # confirm with dbi-dev whether explicit stringification is needed
- #
- # forcibly stringify whatever is stringifiable
- # ResultSet::populate() hands us a copy - safe to mangle
- for my $r (0 .. $#$data) {
- for my $c (0 .. $#{$data->[$r]}) {
- $data->[$r][$c] = "$data->[$r][$c]"
- if ( length ref $data->[$r][$c] and overload::Method($data->[$r][$c], '""') );
- }
- }
-
my $colinfos = $source->columns_info($cols);
local $self->{_autoinc_supplied_for_op} =
}
}
elsif (! defined $value_type_by_col_idx->{$col_idx} ) { # regular non-literal value
- if (ref $val eq 'SCALAR' or (ref $val eq 'REF' and ref $$val eq 'ARRAY') ) {
+ if (is_literal_value($val)) {
$bad_slice_report_cref->("Literal SQL found where a plain bind value is expected", $row_idx, $col_idx);
}
}
my $fetch_tuple = sub {
return undef if ++$fetch_row_idx > $#$data;
- return [ map { defined $_->{_literal_bind_subindex}
- ? ${ $data->[ $fetch_row_idx ]->[ $_->{_bind_data_slice_idx} ]}
- ->[ $_->{_literal_bind_subindex} ]
- ->[1]
- : $data->[ $fetch_row_idx ]->[ $_->{_bind_data_slice_idx} ]
- } map { $_->[0] } @$proto_bind];
+ return [ map {
+ ! defined $_->{_literal_bind_subindex}
+
+ ? $data->[ $fetch_row_idx ]->[ $_->{_bind_data_slice_idx} ]
+
+ # There are no attributes to resolve here - we already did everything
+ # when we constructed proto_bind. However we still want to sanity-check
+ # what the user supplied, so pass stuff through to the resolver *anyway*
+ : $self->_resolve_bindattrs (
+ undef, # a fake rsrc
+ [ ${ $data->[ $fetch_row_idx ]->[ $_->{_bind_data_slice_idx} ]}->[ $_->{_literal_bind_subindex} ] ],
+ {}, # a fake column_info bag
+ )->[0][1]
+
+ } map { $_->[0] } @$proto_bind ];
};
my $tuple_status = [];
# soooooo much better now. But that is also another
# battle...
#return (
- # 'select', @{$orig_attrs->{_sqlmaker_select_args}}
- #) if $orig_attrs->{_sqlmaker_select_args};
+ # 'select', $orig_attrs->{!args_as_stored_at_the_end_of_this_method!}
+ #) if $orig_attrs->{!args_as_stored_at_the_end_of_this_method!};
my $sql_maker = $self->sql_maker;
my $alias2source = $self->_resolve_ident_sources ($ident);
($attrs->{from}, $attrs->{_aliastypes}) = $self->_prune_unused_joins ($attrs);
}
+ # FIXME this is a gross, inefficient, largely incorrect and fragile hack
+ # during the result inflation stage we *need* to know what was the aliastype
+ # map as sqla saw it when the final pieces of SQL were being assembled
+ # Originally we simply carried around the entirety of $attrs, but this
+ # resulted in resultsets that are being reused growing continuously, as
+ # the hash in question grew deeper and deeper.
+ # Instead hand-pick what to take with us here (we actually don't need much
+ # at this point just the map itself)
+ $orig_attrs->{_last_sqlmaker_alias_map} = $attrs->{_aliastypes};
+
###
# This would be the point to deflate anything found in $attrs->{where}
# (and leave $attrs->{bind} intact). Problem is - inflators historically
# invoked, and that's just bad...
###
- return ( 'select', @{ $orig_attrs->{_sqlmaker_select_args} = [
- @{$attrs}{qw(from select where)}, $attrs, @limit_args
- ]} );
+ return ( 'select', @{$attrs}{qw(from select where)}, $attrs, @limit_args );
}
# Returns a counting SELECT for a simple count
projects / dbsrgits/DBIx-Class.git / blobdiff