X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI.pm;h=3e746ad924d782222b129b6a558b111629f59e12;hb=0e3647497ee2cbaa511b05262c902ee50d813c32;hp=1a302ce5ad36a48caa003f1b0a58049843eb6d60;hpb=b6a469f7cbcc6114eb59a8557906af4ec6b0e9a4;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm index 1a302ce..3e746ad 100644 --- a/lib/DBIx/Class/Storage/DBI.pm +++ b/lib/DBIx/Class/Storage/DBI.pm @@ -10,11 +10,10 @@ use mro 'c3'; use DBIx::Class::Carp; use Scalar::Util qw/refaddr weaken reftype blessed/; use List::Util qw/first/; -use Sub::Name 'subname'; use Context::Preserve 'preserve_context'; use Try::Tiny; -use overload (); -use Data::Compare (); # no imports!!! guard against insane architecture +use SQL::Abstract qw(is_plain_value is_literal_value); +use DBIx::Class::_Util qw(quote_sub perlstring serialize detected_reinvoked_destructor); use namespace::clean; # default cursor class, overridable in connect_info attributes @@ -101,12 +100,13 @@ for my $meth (keys %$storage_accessor_idx, qw( txn_begin insert - insert_bulk update delete select select_single + _insert_bulk + with_deferred_fk_checks get_use_dbms_capability @@ -119,10 +119,16 @@ for my $meth (keys %$storage_accessor_idx, qw( my $orig = __PACKAGE__->can ($meth) or die "$meth is not a ::Storage::DBI method!"; - no strict 'refs'; - no warnings 'redefine'; - *{__PACKAGE__ ."::$meth"} = subname $meth => sub { + my $possibly_a_setter = $storage_accessor_idx->{$meth} ? 1 : 0; + + quote_sub + __PACKAGE__ ."::$meth", sprintf( <<'EOC', $possibly_a_setter, perlstring $meth ), { '$orig' => \$orig }; + if ( + # if this is an actual *setter* - just set it, no need to connect + # and determine the driver + !( %1$s and @_ > 1 ) + and # only fire when invoked on an instance, a valid class-based invocation # would e.g. be setting a default for an inherited accessor ref $_[0] @@ -131,10 +137,6 @@ for my $meth (keys %$storage_accessor_idx, qw( 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 @@ -142,16 +144,15 @@ for my $meth (keys %$storage_accessor_idx, qw( ) { $_[0]->_determine_driver; - # This for some reason crashes and burns on perl 5.8.1 - # IFF the method ends up throwing an exception - #goto $_[0]->can ($meth); + # work around http://rt.perl.org/rt3/Public/Bug/Display.html?id=35878 + goto $_[0]->can(%2$s) unless DBIx::Class::_ENV_::BROKEN_GOTO; - my $cref = $_[0]->can ($meth); + my $cref = $_[0]->can(%2$s); goto $cref; } goto $orig; - }; +EOC } =head1 NAME @@ -252,12 +253,12 @@ sub new { } sub DESTROY { - my $self = shift; + return if &detected_reinvoked_destructor; + $_[0]->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; # some databases spew warnings on implicit disconnect - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; local $SIG{__WARN__} = sub {}; - $self->_dbh(undef); + $_[0]->_dbh(undef); # this op is necessary, since the very last perl runtime statement # triggers a global destruction shootout, and the $SIG localization @@ -268,14 +269,14 @@ sub DESTROY { # handle pid changes correctly - do not destroy parent's connection sub _verify_pid { - my $self = shift; - my $pid = $self->_conn_pid; - if( defined $pid and $pid != $$ and my $dbh = $self->_dbh ) { + my $pid = $_[0]->_conn_pid; + + if( defined $pid and $pid != $$ and my $dbh = $_[0]->_dbh ) { $dbh->{InactiveDestroy} = 1; - $self->_dbh(undef); - $self->transaction_depth(0); - $self->savepoints([]); + $_[0]->_dbh(undef); + $_[0]->transaction_depth(0); + $_[0]->savepoints([]); } return; @@ -869,22 +870,20 @@ database is not in C mode. =cut sub disconnect { - my ($self) = @_; - - if( $self->_dbh ) { - my @actions; - push @actions, ( $self->on_disconnect_call || () ); - push @actions, $self->_parse_connect_do ('on_disconnect_do'); + if( my $dbh = $_[0]->_dbh ) { - $self->_do_connection_actions(disconnect_call_ => $_) for @actions; + $_[0]->_do_connection_actions(disconnect_call_ => $_) for ( + ( $_[0]->on_disconnect_call || () ), + $_[0]->_parse_connect_do ('on_disconnect_do') + ); # stops the "implicit rollback on disconnect" warning - $self->_exec_txn_rollback unless $self->_dbh_autocommit; + $_[0]->_exec_txn_rollback unless $_[0]->_dbh_autocommit; - %{ $self->_dbh->{CachedKids} } = (); - $self->_dbh->disconnect; - $self->_dbh(undef); + %{ $dbh->{CachedKids} } = (); + $dbh->disconnect; + $_[0]->_dbh(undef); } } @@ -905,8 +904,8 @@ in MySQL's case disabled entirely. # Storage subclasses should override this sub with_deferred_fk_checks { - my ($self, $sub) = @_; - $sub->(); + #my ($self, $sub) = @_; + $_[1]->(); } =head2 connected @@ -926,40 +925,26 @@ answering, etc.) This method is used internally by L. =cut sub connected { - my $self = shift; - return 0 unless $self->_seems_connected; + return 0 unless $_[0]->_seems_connected; #be on the safe side - local $self->_dbh->{RaiseError} = 1; + local $_[0]->_dbh->{RaiseError} = 1; - return $self->_ping; + return $_[0]->_ping; } sub _seems_connected { - my $self = shift; - - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; + $_[0]->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; - my $dbh = $self->_dbh - or return 0; - - return $dbh->FETCH('Active'); + ($_[0]->_dbh || return 0)->FETCH('Active'); } sub _ping { - my $self = shift; - - my $dbh = $self->_dbh or return 0; - - return $dbh->ping; + ($_[0]->_dbh || return 0)->ping; } sub ensure_connected { - my ($self) = @_; - - unless ($self->connected) { - $self->_populate_dbh; - } + $_[0]->connected || ( $_[0]->_populate_dbh && 1 ); } =head2 dbh @@ -973,22 +958,17 @@ instead. =cut sub dbh { - my ($self) = @_; - - if (not $self->_dbh) { - $self->_populate_dbh; - } else { - $self->ensure_connected; - } - return $self->_dbh; + # maybe save a ping call + $_[0]->_dbh + ? ( $_[0]->ensure_connected and $_[0]->_dbh ) + : $_[0]->_populate_dbh + ; } # this is the internal "get dbh or connect (don't check)" method sub _get_dbh { - my $self = shift; - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; - $self->_populate_dbh unless $self->_dbh; - return $self->_dbh; + $_[0]->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; + $_[0]->_dbh || $_[0]->_populate_dbh; } # *DELIBERATELY* not a setter (for the time being) @@ -1057,33 +1037,35 @@ sub _rebless {} sub _init {} sub _populate_dbh { - my ($self) = @_; - $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 + $_[0]->_dbh(undef); # in case ->connected failed we might get sent here + + $_[0]->_dbh_details({}); # reset everything we know + + # FIXME - this needs reenabling with the proper "no reset on same DSN" check + #$_[0]->_sql_maker(undef); # this may also end up being different - $self->_dbh($self->_connect); + $_[0]->_dbh($_[0]->_connect); - $self->_conn_pid($$) unless DBIx::Class::_ENV_::BROKEN_FORK; # on win32 these are in fact threads + $_[0]->_conn_pid($$) unless DBIx::Class::_ENV_::BROKEN_FORK; # on win32 these are in fact threads - $self->_determine_driver; + $_[0]->_determine_driver; # Always set the transaction depth on connect, since # there is no transaction in progress by definition - $self->{transaction_depth} = $self->_dbh_autocommit ? 0 : 1; + $_[0]->{transaction_depth} = $_[0]->_dbh_autocommit ? 0 : 1; - $self->_run_connection_actions unless $self->{_in_determine_driver}; + $_[0]->_run_connection_actions unless $_[0]->{_in_determine_driver}; + + $_[0]->_dbh; } sub _run_connection_actions { - my $self = shift; - my @actions; - - push @actions, ( $self->on_connect_call || () ); - push @actions, $self->_parse_connect_do ('on_connect_do'); - $self->_do_connection_actions(connect_call_ => $_) for @actions; + $_[0]->_do_connection_actions(connect_call_ => $_) for ( + ( $_[0]->on_connect_call || () ), + $_[0]->_parse_connect_do ('on_connect_do'), + ); } @@ -1128,10 +1110,16 @@ sub get_dbms_capability { sub _server_info { my $self = shift; - my $info; - unless ($info = $self->_dbh_details->{info}) { + # FIXME - ideally this needs to be an ||= assignment, and the final + # assignment at the end of this do{} should be gone entirely. However + # this confuses CXSA: https://rt.cpan.org/Ticket/Display.html?id=103296 + $self->_dbh_details->{info} || do { + + # this guarantees that problematic conninfo won't be hidden + # by the try{} below + $self->ensure_connected; - $info = {}; + my $info = {}; my $server_version = try { $self->_get_server_version @@ -1168,9 +1156,7 @@ sub _server_info { } $self->_dbh_details->{info} = $info; - } - - return $info; + }; } sub _get_server_version { @@ -1310,7 +1296,7 @@ sub _determine_driver { "Your storage subclass @{[ ref $self ]} provides (or inherits) the method " . 'source_bind_attributes() for which support has been removed as of Jan 2013. ' . 'If you are not sure how to proceed please contact the development team via ' - . 'http://search.cpan.org/dist/DBIx-Class/lib/DBIx/Class.pm#GETTING_HELP/SUPPORT' + . DBIx::Class::_ENV_::HELP_URL ); } @@ -1349,7 +1335,7 @@ sub _extract_driver_from_connect_info { sub _determine_connector_driver { my ($self, $conn) = @_; - my $dbtype = $self->_dbh_get_info('SQL_DBMS_NAME'); + my $dbtype = $self->_get_rdbms_name; if (not $dbtype) { $self->_warn_undetermined_driver( @@ -1376,6 +1362,8 @@ sub _determine_connector_driver { } } +sub _get_rdbms_name { shift->_dbh_get_info('SQL_DBMS_NAME') } + sub _warn_undetermined_driver { my ($self, $msg) = @_; @@ -1389,24 +1377,40 @@ sub _warn_undetermined_driver { } sub _do_connection_actions { - my $self = shift; - my $method_prefix = shift; - my $call = shift; - - if (not ref($call)) { - my $method = $method_prefix . $call; - $self->$method(@_); - } elsif (ref($call) eq 'CODE') { - $self->$call(@_); - } elsif (ref($call) eq 'ARRAY') { - if (ref($call->[0]) ne 'ARRAY') { - $self->_do_connection_actions($method_prefix, $_) for @$call; - } else { - $self->_do_connection_actions($method_prefix, @$_) for @$call; + my ($self, $method_prefix, $call, @args) = @_; + + try { + if (not ref($call)) { + my $method = $method_prefix . $call; + $self->$method(@args); + } + elsif (ref($call) eq 'CODE') { + $self->$call(@args); + } + elsif (ref($call) eq 'ARRAY') { + if (ref($call->[0]) ne 'ARRAY') { + $self->_do_connection_actions($method_prefix, $_) for @$call; + } + else { + $self->_do_connection_actions($method_prefix, @$_) for @$call; + } + } + else { + $self->throw_exception (sprintf ("Don't know how to process conection actions of type '%s'", ref($call)) ); } - } else { - $self->throw_exception (sprintf ("Don't know how to process conection actions of type '%s'", ref($call)) ); } + catch { + if ( $method_prefix =~ /^connect/ ) { + # this is an on_connect cycle - we can't just throw while leaving + # a handle in an undefined state in our storage object + # kill it with fire and rethrow + $self->_dbh(undef); + $self->throw_exception( $_[0] ); + } + else { + carp "Disconnect action failed: $_[0]"; + } + }; return $self; } @@ -1421,7 +1425,19 @@ sub disconnect_call_do_sql { $self->_do_query(@_); } -# override in db-specific backend when necessary +=head2 connect_call_datetime_setup + +A no-op stub method, provided so that one can always safely supply the +L + + on_connect_call => 'datetime_setup' + +This way one does not need to know in advance whether the underlying +storage requires any sort of hand-holding when dealing with calendar +data. + +=cut + sub connect_call_datetime_setup { 1 } sub _do_query { @@ -1541,19 +1557,17 @@ sub _connect { } sub txn_begin { - my $self = shift; - # this means we have not yet connected and do not know the AC status # (e.g. coderef $dbh), need a full-fledged connection check - if (! defined $self->_dbh_autocommit) { - $self->ensure_connected; + if (! defined $_[0]->_dbh_autocommit) { + $_[0]->ensure_connected; } # Otherwise simply connect or re-connect on pid changes else { - $self->_get_dbh; + $_[0]->_get_dbh; } - $self->next::method(@_); + shift->next::method(@_); } sub _exec_txn_begin { @@ -1574,9 +1588,8 @@ sub _exec_txn_begin { sub txn_commit { my $self = shift; - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; $self->throw_exception("Unable to txn_commit() on a disconnected storage") - unless $self->_dbh; + unless $self->_seems_connected; # esoteric case for folks using external $dbh handles if (! $self->transaction_depth and ! $self->_dbh->FETCH('AutoCommit') ) { @@ -1605,9 +1618,8 @@ sub _exec_txn_commit { sub txn_rollback { my $self = shift; - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; $self->throw_exception("Unable to txn_rollback() on a disconnected storage") - unless $self->_dbh; + unless $self->_seems_connected; # esoteric case for folks using external $dbh handles if (! $self->transaction_depth and ! $self->_dbh->FETCH('AutoCommit') ) { @@ -1633,17 +1645,12 @@ sub _exec_txn_rollback { shift->_dbh->rollback; } -# generate some identical methods -for my $meth (qw/svp_begin svp_release svp_rollback/) { - no strict qw/refs/; - *{__PACKAGE__ ."::$meth"} = subname $meth => sub { - my $self = shift; - $self->_verify_pid unless DBIx::Class::_ENV_::BROKEN_FORK; - $self->throw_exception("Unable to $meth() on a disconnected storage") - unless $self->_dbh; - $self->next::method(@_); - }; -} +# generate the DBI-specific stubs, which then fallback to ::Storage proper +quote_sub __PACKAGE__ . "::$_" => sprintf (<<'EOS', $_) for qw(svp_begin svp_release svp_rollback); + $_[0]->throw_exception('Unable to %s() on a disconnected storage') + unless $_[0]->_seems_connected; + shift->next::method(@_); +EOS # This used to be the top-half of _execute. It was split out to make it # easier to override in NoBindVars without duping the rest. It takes up @@ -1684,8 +1691,8 @@ sub _gen_sql_bind { ) { carp_unique 'DateTime objects passed to search() are not supported ' . 'properly (InflateColumn::DateTime formats and settings are not ' - . 'respected.) See "Formatting DateTime objects in queries" in ' - . 'DBIx::Class::Manual::Cookbook. To disable this warning for good ' + . 'respected.) See ".. format a DateTime object for searching?" in ' + . 'DBIx::Class::Manual::FAQ. To disable this warning for good ' . 'set $ENV{DBIC_DT_SEARCH_OK} to true' } @@ -1695,13 +1702,10 @@ sub _gen_sql_bind { sub _resolve_bindattrs { my ($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}) { @@ -1718,42 +1722,22 @@ sub _resolve_bindattrs { }; return [ map { - 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] } ), $_->[1] ] - ; - - if ( - ! exists $resolved->[0]{dbd_attrs} - and - ! $resolved->[0]{sqlt_datatype} - and - length ref $resolved->[1] - and - ! overload::Method($resolved->[1], '""') - ) { - require Data::Dumper; - local $Data::Dumper::Maxdepth = 1; - local $Data::Dumper::Terse = 1; - local $Data::Dumper::Useqq = 1; - local $Data::Dumper::Indent = 0; - local $Data::Dumper::Pad = ' '; - $self->throw_exception( - 'You must supply a datatype/bindtype (see DBIx::Class::ResultSet/DBIC BIND VALUES) ' - . 'for non-scalar value '. Data::Dumper::Dumper ($resolved->[1]) - ); - } - - $resolved; - } @$bind ]; } @@ -1787,31 +1771,28 @@ sub _query_end { } sub _dbi_attrs_for_bind { - my ($self, $ident, $bind) = @_; + #my ($self, $ident, $bind) = @_; - my @attrs; + return [ map { - for (map { $_->[0] } @$bind) { - push @attrs, do { - if (exists $_->{dbd_attrs}) { - $_->{dbd_attrs} - } - elsif($_->{sqlt_datatype}) { - # cache the result in the dbh_details hash, as it can not change unless - # we connect to something else - my $cache = $self->_dbh_details->{_datatype_map_cache} ||= {}; - if (not exists $cache->{$_->{sqlt_datatype}}) { - $cache->{$_->{sqlt_datatype}} = $self->bind_attribute_by_data_type($_->{sqlt_datatype}) || undef; - } - $cache->{$_->{sqlt_datatype}}; - } - else { - undef; # always push something at this position - } - } - } + exists $_->{dbd_attrs} ? $_->{dbd_attrs} + + : ! $_->{sqlt_datatype} ? undef + + : do { + + # cache the result in the dbh_details hash, as it (usually) can not change + # unless we connect to something else + # FIXME: for the time being Oracle is an exception, pending a rewrite of + # the LOB storage + my $cache = $_[0]->_dbh_details->{_datatype_map_cache} ||= {}; + + $cache->{$_->{sqlt_datatype}} = $_[0]->bind_attribute_by_data_type($_->{sqlt_datatype}) + if ! exists $cache->{$_->{sqlt_datatype}}; + + $cache->{$_->{sqlt_datatype}}; - return \@attrs; + } } map { $_->[0] } @{$_[2]} ]; } sub _execute { @@ -1892,14 +1873,15 @@ sub _bind_sth_params { ); } 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], '""') ) + # FIXME SUBOPTIMAL - DBI needs fixing to always stringify regardless of DBD + my $v = ( length ref $bind->[$i][1] and is_plain_value $bind->[$i][1] ) ? "$bind->[$i][1]" : $bind->[$i][1] ; + $sth->bind_param( $i + 1, + # The temp-var is CRUCIAL - DO NOT REMOVE IT, breaks older DBD::SQLite RT#79576 $v, $bind_attrs->[$i], ); @@ -1920,9 +1902,7 @@ sub _prefetch_autovalues { ( ! 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( @@ -1959,11 +1939,9 @@ sub insert { } # 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 ( @@ -2039,26 +2017,28 @@ sub insert { } sub insert_bulk { - my ($self, $source, $cols, $data) = @_; + carp_unique( + 'insert_bulk() should have never been exposed as a public method and ' + . 'calling it is depecated as of Aug 2014. If you believe having a genuine ' + . 'use for this method please contact the development team via ' + . DBIx::Class::_ENV_::HELP_URL + ); - my @col_range = (0..$#$cols); + return '0E0' unless @{$_[3]||[]}; - # 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], '""') ); - } - } + shift->_insert_bulk(@_); +} + +sub _insert_bulk { + my ($self, $source, $cols, $data) = @_; + + $self->throw_exception('Calling _insert_bulk without a dataset to process makes no sense') + unless @{$data||[]}; my $colinfos = $source->columns_info($cols); local $self->{_autoinc_supplied_for_op} = - (first { $_->{is_auto_increment} } values %$colinfos) + (grep { $_->{is_auto_increment} } values %$colinfos) ? 1 : 0 ; @@ -2084,17 +2064,17 @@ sub insert_bulk { # can't just hand SQLA a set of some known "values" (e.g. hashrefs that # can be later matched up by address), because we want to supply a real # value on which perhaps e.g. datatype checks will be performed - my ($proto_data, $value_type_by_col_idx); - for my $i (@col_range) { - my $colname = $cols->[$i]; - if (ref $data->[0][$i] eq 'SCALAR') { + my ($proto_data, $serialized_bind_type_by_col_idx); + for my $col_idx (0..$#$cols) { + my $colname = $cols->[$col_idx]; + if (ref $data->[0][$col_idx] eq 'SCALAR') { # no bind value at all - no type - $proto_data->{$colname} = $data->[0][$i]; + $proto_data->{$colname} = $data->[0][$col_idx]; } - elsif (ref $data->[0][$i] eq 'REF' and ref ${$data->[0][$i]} eq 'ARRAY' ) { + elsif (ref $data->[0][$col_idx] eq 'REF' and ref ${$data->[0][$col_idx]} eq 'ARRAY' ) { # repack, so we don't end up mangling the original \[] - my ($sql, @bind) = @${$data->[0][$i]}; + my ($sql, @bind) = @${$data->[0][$col_idx]}; # normalization of user supplied stuff my $resolved_bind = $self->_resolve_bindattrs( @@ -2103,23 +2083,23 @@ sub insert_bulk { # store value-less (attrs only) bind info - we will be comparing all # supplied binds against this for sanity - $value_type_by_col_idx->{$i} = [ map { $_->[0] } @$resolved_bind ]; + $serialized_bind_type_by_col_idx->{$col_idx} = serialize [ map { $_->[0] } @$resolved_bind ]; $proto_data->{$colname} = \[ $sql, map { [ # inject slice order to use for $proto_bind construction - { %{$resolved_bind->[$_][0]}, _bind_data_slice_idx => $i, _literal_bind_subindex => $_+1 } + { %{$resolved_bind->[$_][0]}, _bind_data_slice_idx => $col_idx, _literal_bind_subindex => $_+1 } => $resolved_bind->[$_][1] ] } (0 .. $#bind) ]; } else { - $value_type_by_col_idx->{$i} = undef; + $serialized_bind_type_by_col_idx->{$col_idx} = undef; $proto_data->{$colname} = \[ '?', [ - { dbic_colname => $colname, _bind_data_slice_idx => $i } + { dbic_colname => $colname, _bind_data_slice_idx => $col_idx } => - $data->[0][$i] + $data->[0][$col_idx] ] ]; } } @@ -2130,11 +2110,11 @@ sub insert_bulk { [ $proto_data ], ); - if (! @$proto_bind and keys %$value_type_by_col_idx) { + if (! @$proto_bind and keys %$serialized_bind_type_by_col_idx) { # if the bindlist is empty and we had some dynamic binds, this means the # storage ate them away (e.g. the NoBindVars component) and interpolated # them directly into the SQL. This obviously can't be good for multi-inserts - $self->throw_exception('Cannot insert_bulk without support for placeholders'); + $self->throw_exception('Unable to invoke fast-path insert without storage placeholder support'); } # sanity checks @@ -2152,19 +2132,19 @@ sub insert_bulk { Data::Dumper::Concise::Dumper ({ map { $cols->[$_] => $data->[$r_idx][$_] - } @col_range + } 0..$#$cols }), } ); }; - for my $col_idx (@col_range) { + for my $col_idx (0..$#$cols) { my $reference_val = $data->[0][$col_idx]; for my $row_idx (1..$#$data) { # we are comparing against what we got from [0] above, hence start from 1 my $val = $data->[$row_idx][$col_idx]; - if (! exists $value_type_by_col_idx->{$col_idx}) { # literal no binds + if (! exists $serialized_bind_type_by_col_idx->{$col_idx}) { # literal no binds if (ref $val ne 'SCALAR') { $bad_slice_report_cref->( "Incorrect value (expecting SCALAR-ref \\'$$reference_val')", @@ -2180,8 +2160,8 @@ sub insert_bulk { ); } } - elsif (! defined $value_type_by_col_idx->{$col_idx} ) { # regular non-literal value - if (ref $val eq 'SCALAR' or (ref $val eq 'REF' and ref $$val eq 'ARRAY') ) { + elsif (! defined $serialized_bind_type_by_col_idx->{$col_idx} ) { # regular non-literal value + if (is_literal_value($val)) { $bad_slice_report_cref->("Literal SQL found where a plain bind value is expected", $row_idx, $col_idx); } } @@ -2208,16 +2188,17 @@ sub insert_bulk { } # need to check the bind attrs - a bind will happen only once for # the entire dataset, so any changes further down will be ignored. - elsif (! Data::Compare::Compare( - $value_type_by_col_idx->{$col_idx}, - [ + elsif ( + $serialized_bind_type_by_col_idx->{$col_idx} + ne + serialize [ map { $_->[0] } @{$self->_resolve_bindattrs( $source, [ @{$$val}[1 .. $#$$val] ], $colinfos, )} - ], - )) { + ] + ) { $bad_slice_report_cref->( 'Differing bind attributes on literal/bind values not supported', $row_idx, @@ -2234,7 +2215,7 @@ sub insert_bulk { # scope guard my $guard = $self->txn_scope_guard; - $self->_query_start( $sql, @$proto_bind ? [[undef => '__BULK_INSERT__' ]] : () ); + $self->_query_start( $sql, @$proto_bind ? [[ {} => '__BULK_INSERT__' ]] : () ); my $sth = $self->_prepare_sth($self->_dbh, $sql); my $rv = do { if (@$proto_bind) { @@ -2248,7 +2229,7 @@ sub insert_bulk { } }; - $self->_query_end( $sql, @$proto_bind ? [[ undef => '__BULK_INSERT__' ]] : () ); + $self->_query_end( $sql, @$proto_bind ? [[ {} => '__BULK_INSERT__' ]] : () ); $guard->commit; @@ -2262,16 +2243,13 @@ sub insert_bulk { sub _dbh_execute_for_fetch { my ($self, $source, $sth, $proto_bind, $cols, $data) = @_; - my @idx_range = ( 0 .. $#$proto_bind ); - # If we have any bind attributes to take care of, we will bind the # proto-bind data (which will never be used by execute_for_fetch) # However since column bindtypes are "sticky", this is sufficient # to get the DBD to apply the bindtype to all values later on - my $bind_attrs = $self->_dbi_attrs_for_bind($source, $proto_bind); - for my $i (@idx_range) { + for my $i (0 .. $#$proto_bind) { $sth->bind_param ( $i+1, # DBI bind indexes are 1-based $proto_bind->[$i][1], @@ -2291,12 +2269,28 @@ sub _dbh_execute_for_fetch { 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 { + my $v = ! 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] + ; + + # FIXME SUBOPTIMAL - DBI needs fixing to always stringify regardless of DBD + # For the time being forcibly stringify whatever is stringifiable + (length ref $v and is_plain_value $v) + ? "$v" + : $v + ; + } map { $_->[0] } @$proto_bind ]; }; my $tuple_status = []; @@ -2423,20 +2417,12 @@ sub _select_args { #) 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); my $attrs = { %$orig_attrs, select => $select, from => $ident, where => $where, - - # limit dialects use this stuff - # yes, some CDBICompat crap does not supply an {alias} >.< - ( $orig_attrs->{alias} and $alias2source->{$orig_attrs->{alias}} ) - ? ( _rsroot_rsrc => $alias2source->{$orig_attrs->{alias}} ) - : () - , }; # Sanity check the attributes (SQLMaker does it too, but @@ -2473,7 +2459,7 @@ sub _select_args { # are happy (this includes MySQL in strict_mode) # If any of the other joined tables are referenced in the group_by # however - the user is on their own - ( $prefetch_needs_subquery or $attrs->{_related_results_construction} ) + ( $prefetch_needs_subquery or ! $attrs->{_simple_passthrough_construction} ) and $attrs->{group_by} and @@ -2527,6 +2513,8 @@ sub _select_args { $orig_attrs->{_last_sqlmaker_alias_map} = $attrs->{_aliastypes}; ### + # my $alias2source = $self->_resolve_ident_sources ($ident); + # # This would be the point to deflate anything found in $attrs->{where} # (and leave $attrs->{bind} intact). Problem is - inflators historically # expect a result object. And all we have is a resultsource (it is trivial @@ -2591,9 +2579,9 @@ see L. sub _dbh_columns_info_for { my ($self, $dbh, $table) = @_; - if ($dbh->can('column_info')) { - my %result; - my $caught; + my %result; + + if (! DBIx::Class::_ENV_::STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE and $dbh->can('column_info')) { try { my ($schema,$tab) = $table =~ /^(.+?)\.(.+)$/ ? ($1,$2) : (undef,$table); my $sth = $dbh->column_info( undef,$schema, $tab, '%' ); @@ -2610,39 +2598,75 @@ sub _dbh_columns_info_for { $result{$col_name} = \%column_info; } } catch { - $caught = 1; + %result = (); }; - return \%result if !$caught && scalar keys %result; + + return \%result if keys %result; } - my %result; my $sth = $dbh->prepare($self->sql_maker->select($table, undef, \'1 = 0')); $sth->execute; - my @columns = @{$sth->{NAME_lc}}; - for my $i ( 0 .. $#columns ){ - my %column_info; - $column_info{data_type} = $sth->{TYPE}->[$i]; - $column_info{size} = $sth->{PRECISION}->[$i]; - $column_info{is_nullable} = $sth->{NULLABLE}->[$i] ? 1 : 0; - - if ($column_info{data_type} =~ m/^(.*?)\((.*?)\)$/) { - $column_info{data_type} = $1; - $column_info{size} = $2; + +### The acrobatics with lc names is necessary to support both the legacy +### API that used NAME_lc exclusively, *AND* at the same time work properly +### with column names differing in cas eonly (thanks pg!) + + my ($columns, $seen_lcs); + + ++$seen_lcs->{lc($_)} and $columns->{$_} = { + idx => scalar keys %$columns, + name => $_, + lc_name => lc($_), + } for @{$sth->{NAME}}; + + $seen_lcs->{$_->{lc_name}} == 1 + and + $_->{name} = $_->{lc_name} + for values %$columns; + + for ( values %$columns ) { + my $inf = { + data_type => $sth->{TYPE}->[$_->{idx}], + size => $sth->{PRECISION}->[$_->{idx}], + is_nullable => $sth->{NULLABLE}->[$_->{idx}] ? 1 : 0, + }; + + if ($inf->{data_type} =~ m/^(.*?)\((.*?)\)$/) { + @{$inf}{qw( data_type size)} = ($1, $2); } - $result{$columns[$i]} = \%column_info; + $result{$_->{name}} = $inf; } + $sth->finish; - foreach my $col (keys %result) { - my $colinfo = $result{$col}; - my $type_num = $colinfo->{data_type}; - my $type_name; - if(defined $type_num && $dbh->can('type_info')) { - my $type_info = $dbh->type_info($type_num); - $type_name = $type_info->{TYPE_NAME} if $type_info; - $colinfo->{data_type} = $type_name if $type_name; + if ($dbh->can('type_info')) { + for my $inf (values %result) { + next if ! defined $inf->{data_type}; + + $inf->{data_type} = ( + ( + ( + $dbh->type_info( $inf->{data_type} ) + || + next + ) + || + next + )->{TYPE_NAME} + || + next + ); + + # FIXME - this may be an artifact of the DBD::Pg implmentation alone + # needs more testing in the future... + $inf->{size} -= 4 if ( + ( $inf->{size}||0 > 4 ) + and + $inf->{data_type} =~ qr/^text$/i + ); } + } return \%result; @@ -2874,11 +2898,12 @@ sub create_ddl_dir { add_drop_table => 1, ignore_constraint_names => 1, ignore_index_names => 1, + quote_identifiers => $self->sql_maker->_quoting_enabled, %{$sqltargs || {}} }; - unless (DBIx::Class::Optional::Dependencies->req_ok_for ('deploy')) { - $self->throw_exception("Can't create a ddl file without " . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') ); + if (my $missing = DBIx::Class::Optional::Dependencies->req_missing_for ('deploy')) { + $self->throw_exception("Can't create a ddl file without $missing"); } my $sqlt = SQL::Translator->new( $sqltargs ); @@ -2968,10 +2993,21 @@ sub create_ddl_dir { unless $dest_schema->name; } - my $diff = SQL::Translator::Diff::schema_diff($source_schema, $db, - $dest_schema, $db, - $sqltargs - ); + my $diff = do { + # FIXME - this is a terrible workaround for + # https://github.com/dbsrgits/sql-translator/commit/2d23c1e + # Fixing it in this sloppy manner so that we don't hve to + # lockstep an SQLT release as well. Needs to be removed at + # some point, and SQLT dep bumped + local $SQL::Translator::Producer::SQLite::NO_QUOTES + if $SQL::Translator::Producer::SQLite::NO_QUOTES; + + SQL::Translator::Diff::schema_diff($source_schema, $db, + $dest_schema, $db, + $sqltargs + ); + }; + if(!open $file, ">$difffile") { $self->throw_exception("Can't write to $difffile ($!)"); next; @@ -2989,7 +3025,8 @@ sub create_ddl_dir { =back -Returns the statements used by L and L. +Returns the statements used by L +and L. The L (not L) database driver name can be explicitly provided in C<$type>, otherwise the result of L is used as default. @@ -3022,8 +3059,8 @@ sub deployment_statements { return join('', @rows); } - unless (DBIx::Class::Optional::Dependencies->req_ok_for ('deploy') ) { - $self->throw_exception("Can't deploy without a ddl_dir or " . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') ); + if (my $missing = DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') ) { + $self->throw_exception("Can't deploy without a pregenerated 'ddl_dir' directory or $missing"); } # sources needs to be a parser arg, but for simplicity allow at top level @@ -3031,6 +3068,9 @@ sub deployment_statements { $sqltargs->{parser_args}{sources} = delete $sqltargs->{sources} if exists $sqltargs->{sources}; + $sqltargs->{quote_identifiers} = $self->sql_maker->_quoting_enabled + unless exists $sqltargs->{quote_identifiers}; + my $tr = SQL::Translator->new( producer => "SQL::Translator::Producer::${type}", %$sqltargs, @@ -3263,13 +3303,13 @@ transactions. You're on your own for handling all sorts of exceptional cases if you choose the C<< AutoCommit => 0 >> path, just as you would be with raw DBI. +=head1 FURTHER QUESTIONS? -=head1 AUTHOR AND CONTRIBUTORS - -See L and L in DBIx::Class +Check the list of L. -=head1 LICENSE +=head1 COPYRIGHT AND LICENSE -You may distribute this code under the same terms as Perl itself. - -=cut +This module is free software L +by the L. You can +redistribute it and/or modify it under the same terms as the +L.