From: Peter Rabbitson Date: Sun, 20 Sep 2009 23:18:40 +0000 (+0000) Subject: Merge 'sybase_insert_bulk' into 'sybase_support' X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=689819e14e9e6245000c64ece46ddd1bc8293bf5;p=dbsrgits%2FDBIx-Class-Historic.git Merge 'sybase_insert_bulk' into 'sybase_support' main sybase branch ready --- 689819e14e9e6245000c64ece46ddd1bc8293bf5 diff --cc lib/DBIx/Class.pm index 29b441b,e8c8b4a..ff6a4c6 --- a/lib/DBIx/Class.pm +++ b/lib/DBIx/Class.pm @@@ -43,6 -48,47 +43,19 @@@ sub _attr_cache return $@ ? $cache : { %$cache, %$rest }; } -# 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 }; -} - + # Pretty printer for debug messages + sub _pretty_print { + + require Data::Dumper; + local $Data::Dumper::Terse = 1; + local $Data::Dumper::Indent = 1; + local $Data::Dumper::Useqq = 1; + local $Data::Dumper::Quotekeys = 0; + local $Data::Dumper::Sortkeys = 1; + + return Data::Dumper::Dumper ($_[1]); + } + - 1; =head1 NAME diff --cc lib/DBIx/Class/Storage/DBI.pm index 3fd4f7c,fa6e61d..01adf7d --- a/lib/DBIx/Class/Storage/DBI.pm +++ b/lib/DBIx/Class/Storage/DBI.pm @@@ -1344,12 -1339,51 +1344,17 @@@ sub insert_bulk } my %colvalues; + my $table = $source->from; @colvalues{@$cols} = (0..$#$cols); - my ($sql, @bind) = $self->sql_maker->insert($table, \%colvalues); + - # bind 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 $empty_bind)) { - croak 'Cannot insert_bulk without support for placeholders'; - } ++ my @bind = @$bind ++ or croak 'Cannot insert_bulk without support for placeholders'; $self->_query_start( $sql, @bind ); - my $sth = $self->sth($sql, 'insert', $sth_attr); - - if ($empty_bind) { - # bind_param_array doesn't work if there are no binds - eval { - local $self->_get_dbh->{RaiseError} = 1; - local $self->_get_dbh->{PrintError} = 0; - foreach (0..$#$data) { - $sth->execute; - $sth->fetchall_arrayref; - } - }; - my $exception = $@; - $sth->finish; - $self->throw_exception($exception) if $exception; - return; - } + my $sth = $self->sth($sql); # @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args @@@ -1377,29 -1411,23 +1382,23 @@@ $sth->bind_param_array( $placeholder_index, [@data], $attributes ); $placeholder_index++; } - my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) }; + $sth->finish; - if (my $err = $@ || $sth->errstr) { + if (my $err = $@) { my $i = 0; ++$i while $i <= $#$tuple_status && !ref $tuple_status->[$i]; - $self->throw_exception("Unexpected populate error: $err") + $self->throw_exception($sth->errstr || "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; - local $Data::Dumper::Sortkeys = 1; - $self->throw_exception(sprintf "%s for populate slice:\n%s", - ($tuple_status->[$i][1] || $err), + $tuple_status->[$i][1], - Data::Dumper::Dumper( - { map { $cols->[$_] => $data->[$i][$_] } (0 .. $#$cols) } - ), + $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); diff --cc lib/DBIx/Class/Storage/DBI/Sybase.pm index 2e01e8e,d4fbd88..9851303 --- a/lib/DBIx/Class/Storage/DBI/Sybase.pm +++ b/lib/DBIx/Class/Storage/DBI/Sybase.pm @@@ -17,7 -19,10 +17,10 @@@ __PACKAGE__->mk_group_accessors('simple _identity_method/ ); -my @also_proxy_to_extra_storages = qw/ +my @also_proxy_to_writer_storage = qw/ + connect_call_set_auto_cast auto_cast connect_call_blob_setup + connect_call_datetime_setup + disconnect _connect_info _sql_maker _sql_maker_opts disable_sth_caching auto_savepoint unsafe cursor_class debug debugobj schema /; @@@ -122,14 -127,31 +125,16 @@@ sub _init my $writer_storage = (ref $self)->new; - $writer_storage->_is_extra_storage(1); + $writer_storage->_is_writer_storage(1); $writer_storage->connect_info($self->connect_info); + $writer_storage->auto_cast($self->auto_cast); $self->_writer_storage($writer_storage); - -# create a bulk storage unless connect_info is a coderef - return - if (Scalar::Util::reftype($self->_dbi_connect_info->[0])||'') eq 'CODE'; - - my $bulk_storage = (ref $self)->new; - - $bulk_storage->_is_extra_storage(1); - $bulk_storage->_is_bulk_storage(1); # for special ->disconnect acrobatics - $bulk_storage->connect_info($self->connect_info); - -# this is why - $bulk_storage->_dbi_connect_info->[0] .= ';bulkLogin=1'; - - $self->_bulk_storage($bulk_storage); } -for my $method (@also_proxy_to_extra_storages) { +for my $method (@also_proxy_to_writer_storage) { no strict 'refs'; + no warnings 'redefine'; my $replaced = __PACKAGE__->can($method); @@@ -384,13 -469,14 +428,14 @@@ sub update return $wantarray ? @res : $res[0]; } -### the insert_bulk partially stolen from DBI/MSSQL.pm +### the insert_bulk stuff stolen from DBI/MSSQL.pm sub _set_identity_insert { - my ($self, $table) = @_; + my ($self, $table, $op) = @_; my $sql = sprintf ( - 'SET IDENTITY_INSERT %s ON', + 'SET IDENTITY_%s %s ON', + (uc($op) || 'INSERT'), $self->sql_maker->_quote ($table), ); @@@ -412,35 -505,238 +464,44 @@@ sub _unset_identity_insert $self->sql_maker->_quote ($table), ); + $self->_query_start($sql); + my $dbh = $self->_get_dbh; $dbh->do ($sql); + + $self->_query_end($sql); } + # for tests + sub _can_insert_bulk { 1 } + +# XXX this should use the DBD::Sybase bulk API, where possible sub insert_bulk { my $self = shift; my ($source, $cols, $data) = @_; - my $identity_col = List::Util::first - { $source->column_info($_)->{is_auto_increment} } - $source->columns; - my $is_identity_insert = (List::Util::first - { $source->column_info ($_)->{is_auto_increment} } - @{$cols} - ) ? 1 : 0; - - my @source_columns = $source->columns; - - my $use_bulk_api = - $self->_bulk_storage && - $self->_get_dbh->{syb_has_blk}; - - if ((not $use_bulk_api) && - (Scalar::Util::reftype($self->_dbi_connect_info->[0])||'') eq 'CODE' && - (not $self->_bulk_disabled_due_to_coderef_connect_info_warned)) { - carp <<'EOF'; -Bulk API support disabled due to use of a CODEREF connect_info. Reverting to -array inserts. -EOF - $self->_bulk_disabled_due_to_coderef_connect_info_warned(1); - } - - if (not $use_bulk_api) { - my $blob_cols = $self->_remove_blob_cols_array($source, $cols, $data); - - my $dumb_last_insert_id = - $identity_col - && (not $is_identity_insert) - && ($self->_identity_method||'') ne '@@IDENTITY'; - - ($self, my ($guard)) = do { - if ($self->{transaction_depth} == 0 && - ($blob_cols || $dumb_last_insert_id)) { - ($self->_writer_storage, $self->_writer_storage->txn_scope_guard); - } - else { - ($self, undef); - } - }; - - $self->_set_identity_insert ($source->name) if $is_identity_insert; - $self->next::method(@_); - $self->_unset_identity_insert ($source->name) if $is_identity_insert; - - if ($blob_cols) { - if ($is_identity_insert) { - $self->_insert_blobs_array ($source, $blob_cols, $cols, $data); - } - else { - my @cols_with_identities = (@$cols, $identity_col); - - ## calculate identities - # XXX This assumes identities always increase by 1, which may or may not - # be true. - my ($last_identity) = - $self->_dbh->selectrow_array ( - $self->_fetch_identity_sql($source, $identity_col) - ); - my @identities = (($last_identity - @$data + 1) .. $last_identity); - - my @data_with_identities = map [@$_, shift @identities], @$data; - - $self->_insert_blobs_array ( - $source, $blob_cols, \@cols_with_identities, \@data_with_identities - ); - } - } - - $guard->commit if $guard; - return; - } - -# otherwise, use the bulk API - -# rearrange @$data so that columns are in database order - my %orig_idx; - @orig_idx{@$cols} = 0..$#$cols; - - my %new_idx; - @new_idx{@source_columns} = 0..$#source_columns; - - my @new_data; - for my $datum (@$data) { - my $new_datum = []; - for my $col (@source_columns) { -# identity data will be 'undef' if not $is_identity_insert -# columns with defaults will also be 'undef' - $new_datum->[ $new_idx{$col} ] = - exists $orig_idx{$col} ? $datum->[ $orig_idx{$col} ] : undef; - } - push @new_data, $new_datum; + { $source->column_info ($_)->{is_auto_increment} } + (@{$cols}) + ) + ? 1 + : 0; + + if ($is_identity_insert) { + $self->_set_identity_insert ($source->name); } -# bcp identity index is 1-based - my $identity_idx = exists $new_idx{$identity_col} ? - $new_idx{$identity_col} + 1 : 0; - -## Set a client-side conversion error handler, straight from DBD::Sybase docs. -# This ignores any data conversion errors detected by the client side libs, as -# they are usually harmless. - my $orig_cslib_cb = DBD::Sybase::set_cslib_cb( - Sub::Name::subname insert_bulk => sub { - my ($layer, $origin, $severity, $errno, $errmsg, $osmsg, $blkmsg) = @_; - - return 1 if $errno == 36; - - carp - "Layer: $layer, Origin: $origin, Severity: $severity, Error: $errno" . - ($errmsg ? "\n$errmsg" : '') . - ($osmsg ? "\n$osmsg" : '') . - ($blkmsg ? "\n$blkmsg" : ''); - - return 0; - }); - - eval { - my $bulk = $self->_bulk_storage; - - my $guard = $bulk->txn_scope_guard; - -## XXX get this to work instead of our own $sth -## will require SQLA or *Hacks changes for ordered columns -# $bulk->next::method($source, \@source_columns, \@new_data, { -# syb_bcp_attribs => { -# identity_flag => $is_identity_insert, -# identity_column => $identity_idx, -# } -# }); - my $sql = 'INSERT INTO ' . - $bulk->sql_maker->_quote($source->name) . ' (' . -# colname list is ignored for BCP, but does no harm - (join ', ', map $bulk->sql_maker->_quote($_), @source_columns) . ') '. - ' VALUES ('. (join ', ', ('?') x @source_columns) . ')'; - -## XXX there's a bug in the DBD::Sybase bulk support that makes $sth->finish for -## a prepare_cached statement ineffective. Replace with ->sth when fixed, or -## better yet the version above. Should be fixed in DBD::Sybase . - my $sth = $bulk->_get_dbh->prepare($sql, -# 'insert', # op - { - syb_bcp_attribs => { - identity_flag => $is_identity_insert, - identity_column => $identity_idx, - } - } - ); - - my $bind_attributes = $self->source_bind_attributes($source); - - foreach my $slice_idx (0..$#source_columns) { - my $col = $source_columns[$slice_idx]; - - my $attributes = $bind_attributes->{$col} - if $bind_attributes && defined $bind_attributes->{$col}; - - my @slice = map $_->[$slice_idx], @new_data; - - $sth->bind_param_array(($slice_idx + 1), \@slice, $attributes); - } - - $bulk->_query_start($sql); - -# this is stolen from DBI::insert_bulk - my $tuple_status = []; - my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) }; - - if (my $err = $@ || $sth->errstr) { - my $i = 0; - ++$i while $i <= $#$tuple_status && !ref $tuple_status->[$i]; - - $self->throw_exception("Unexpected populate error: $err") - if ($i > $#$tuple_status); - - $self->throw_exception(sprintf "%s for populate slice:\n%s", - ($tuple_status->[$i][1] || $err), - $self->_pretty_print ({ - map { $source_columns[$_] => $new_data[$i][$_] } (0 .. $#$cols) - }), - ); - } - - $guard->commit; - $sth->finish; - - $bulk->_query_end($sql); - }; - my $exception = $@; - if ($exception =~ /-Y option/) { - carp <<"EOF"; - -Sybase bulk API operation failed due to character set incompatibility, reverting -to regular array inserts: - -*** Try unsetting the LANG environment variable. + $self->next::method(@_); -$@ -EOF - $self->_bulk_storage(undef); - DBD::Sybase::set_cslib_cb($orig_cslib_cb); - unshift @_, $self; - goto \&insert_bulk; - } - elsif ($exception) { - DBD::Sybase::set_cslib_cb($orig_cslib_cb); -# rollback makes the bulkLogin connection unusable - $self->_bulk_storage->disconnect; - $self->throw_exception($exception); + if ($is_identity_insert) { + $self->_unset_identity_insert ($source->name); } - - DBD::Sybase::set_cslib_cb($orig_cslib_cb); } +### end of stolen insert_bulk section + + # Make sure blobs are not bound as placeholders, and return any non-empty ones + # as a hash. sub _remove_blob_cols { my ($self, $source, $fields) = @_; diff --cc t/746sybase.t index 9e0caae,430d5a4..0c1130c --- a/t/746sybase.t +++ b/t/746sybase.t @@@ -11,7 -12,7 +12,7 @@@ require DBIx::Class::Storage::DBI::Syba my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_SYBASE_${_}" } qw/DSN USER PASS/}; - my $TESTS = 48 + 2; -my $TESTS = 58 + 2; ++my $TESTS = 51 + 2; if (not ($dsn && $user)) { plan skip_all => @@@ -211,47 -208,122 +208,76 @@@ SQ name => { -like => 'bulk artist %' } }); - is $bulk_rs->count, 3, 'correct number inserted via insert_bulk'; - - is ((grep $_->charfield eq 'foo', $bulk_rs->all), 3, - 'column set correctly via insert_bulk'); - - my %bulk_ids; - @bulk_ids{map $_->artistid, $bulk_rs->all} = (); - - is ((scalar keys %bulk_ids), 3, - 'identities generated correctly in insert_bulk'); -# test insert_bulk using populate. ++# test insert_bulk using populate, this should always pass whether or not it ++# does anything Sybase specific or not. Just here to aid debugging. + SKIP: { + skip 'insert_bulk not supported', 4 + unless $schema->storage->_can_insert_bulk; - $bulk_rs->delete; + lives_ok { + $schema->resultset('Artist')->populate([ + { + name => 'bulk artist 1', + charfield => 'foo', + }, + { + name => 'bulk artist 2', + charfield => 'foo', + }, + { + name => 'bulk artist 3', + charfield => 'foo', + }, + ]); + } 'insert_bulk via populate'; + + is $bulk_rs->count, 3, 'correct number inserted via insert_bulk'; + + is ((grep $_->charfield eq 'foo', $bulk_rs->all), 3, + 'column set correctly via insert_bulk'); + + my %bulk_ids; + @bulk_ids{map $_->artistid, $bulk_rs->all} = (); + + is ((scalar keys %bulk_ids), 3, + 'identities generated correctly in insert_bulk'); + + $bulk_rs->delete; + } -# make sure insert_bulk works a second time on the same connection - SKIP: { - skip 'insert_bulk not supported', 3 - unless $schema->storage->_can_insert_bulk; - - lives_ok { - $schema->resultset('Artist')->populate([ - { - name => 'bulk artist 1', - charfield => 'bar', - }, - { - name => 'bulk artist 2', - charfield => 'bar', - }, - { - name => 'bulk artist 3', - charfield => 'bar', - }, - ]); - } 'insert_bulk via populate called a second time'; - - is $bulk_rs->count, 3, - 'correct number inserted via insert_bulk'; - - is ((grep $_->charfield eq 'bar', $bulk_rs->all), 3, - 'column set correctly via insert_bulk'); - - $bulk_rs->delete; - } - -# test invalid insert_bulk (missing required column) -# -# There should be a rollback, reconnect and the next valid insert_bulk should -# succeed. - throws_ok { - $schema->resultset('Artist')->populate([ - { - charfield => 'foo', - } - ]); - } qr/no value or default|does not allow null|placeholders/i, -# The second pattern is the error from fallback to regular array insert on -# incompatible charset. -# The third is for ::NoBindVars with no syb_has_blk. - 'insert_bulk with missing required column throws error'; - # now test insert_bulk with IDENTITY_INSERT - lives_ok { - $schema->resultset('Artist')->populate([ - { - artistid => 2001, - name => 'bulk artist 1', - charfield => 'foo', - }, - { - artistid => 2002, - name => 'bulk artist 2', - charfield => 'foo', - }, - { - artistid => 2003, - name => 'bulk artist 3', - charfield => 'foo', - }, - ]); - } 'insert_bulk with IDENTITY_INSERT via populate'; - - is $bulk_rs->count, 3, - 'correct number inserted via insert_bulk with IDENTITY_INSERT'; - - is ((grep $_->charfield eq 'foo', $bulk_rs->all), 3, - 'column set correctly via insert_bulk with IDENTITY_INSERT'); - - $bulk_rs->delete; + SKIP: { + skip 'insert_bulk not supported', 3 + unless $schema->storage->_can_insert_bulk; + + lives_ok { + $schema->resultset('Artist')->populate([ + { + artistid => 2001, + name => 'bulk artist 1', + charfield => 'foo', + }, + { + artistid => 2002, + name => 'bulk artist 2', + charfield => 'foo', + }, + { + artistid => 2003, + name => 'bulk artist 3', + charfield => 'foo', + }, + ]); + } 'insert_bulk with IDENTITY_INSERT via populate'; + + is $bulk_rs->count, 3, + 'correct number inserted via insert_bulk with IDENTITY_INSERT'; + + is ((grep $_->charfield eq 'foo', $bulk_rs->all), 3, + 'column set correctly via insert_bulk with IDENTITY_INSERT'); + + $bulk_rs->delete; + } # test correlated subquery my $subq = $schema->resultset('Artist')->search({ artistid => { '>' => 3 } }) @@@ -264,7 -336,7 +290,7 @@@ # mostly stolen from the blob stuff Nniuq wrote for t/73oracle.t SKIP: { - skip 'TEXT/IMAGE support does not work with FreeTDS', 13 - skip 'TEXT/IMAGE support does not work with FreeTDS', 18 ++ skip 'TEXT/IMAGE support does not work with FreeTDS', 15 if $schema->storage->using_freetds; my $dbh = $schema->storage->_dbh; @@@ -315,31 -386,17 +341,20 @@@ } } - $rs->delete; - # blob insert with explicit PK # also a good opportunity to test IDENTITY_INSERT - { - local $SIG{__WARN__} = sub {}; - eval { $dbh->do('DROP TABLE bindtype_test') }; - lives_ok { - $rs->create( { id => 1, blob => $binstr{large} } ) - } 'inserted large blob without dying with manual PK'; - $dbh->do(qq[ - CREATE TABLE bindtype_test - ( - id INT IDENTITY PRIMARY KEY, - bytea INT NULL, - blob IMAGE NULL, - clob TEXT NULL - ) - ],{ RaiseError => 1, PrintError => 0 }); - } - lives_and { - ok($rs->find(1)->blob eq $binstr{large}) - } 'verified inserted large blob with manual PK'; ++ $rs->delete; ++ + my $created = eval { $rs->create( { id => 1, blob => $binstr{large} } ) }; + ok(!$@, "inserted large blob without dying with manual PK"); + diag $@ if $@; + + my $got = eval { + $rs->find(1)->blob + }; + diag $@ if $@; + ok($got eq $binstr{large}, "verified inserted large blob with manual PK"); # try a blob update my $new_str = $binstr{large} . 'mtfnpy'; @@@ -350,22 -407,62 +365,36 @@@ $schema = get_schema(); } - lives_ok { - $rs->search({ id => 1 })->update({ blob => $new_str }) - } 'updated blob successfully'; - - lives_and { - ok($rs->find(1)->blob eq $new_str) - } 'verified updated blob'; + eval { $rs->search({ id => 1 })->update({ blob => $new_str }) }; + ok !$@, 'updated blob successfully'; + diag $@ if $@; + $got = eval { + $rs->find(1)->blob + }; + diag $@ if $@; + ok($got eq $new_str, "verified updated blob"); + # try a blob update with IDENTITY_UPDATE + lives_and { + $new_str = $binstr{large} . 'hlagh'; + $rs->find(1)->update({ id => 999, blob => $new_str }); + ok($rs->find(999)->blob eq $new_str); + } 'verified updated blob with IDENTITY_UPDATE'; + ## try multi-row blob update # first insert some blobs - $rs->find(1)->delete; - $new_str = $binstr{large} . 'foo'; - lives_and { - $rs->delete; - $rs->create({ blob => $binstr{large} }) for (1..2); - $rs->update({ blob => $new_str }); - is((grep $_->blob eq $new_str, $rs->all), 2); - } 'multi-row blob update'; - + $rs->delete; - - # now try insert_bulk with blobs - $new_str = $binstr{large} . 'bar'; - lives_ok { - $rs->populate([ - { - bytea => 1, - blob => $binstr{large}, - clob => $new_str, - }, - { - bytea => 1, - blob => $binstr{large}, - clob => $new_str, - }, - ]); - } 'insert_bulk with blobs does not die'; - - is((grep $_->blob eq $binstr{large}, $rs->all), 2, - 'IMAGE column set correctly via insert_bulk'); - - is((grep $_->clob eq $new_str, $rs->all), 2, - 'TEXT column set correctly via insert_bulk'); + $rs->create({ blob => $binstr{large} }) for (1..3); + $new_str = $binstr{large} . 'foo'; + $rs->update({ blob => $new_str }); + is((grep $_->blob eq $new_str, $rs->all), 3, 'multi-row blob update'); + + # make sure impossible blob update throws + throws_ok { + $rs->update({ clob => 'foo' }); + $rs->create({ clob => 'bar' }); + $rs->search({ clob => 'foo' })->update({ clob => 'bar' }); + } qr/impossible/, 'impossible blob update throws'; } # test MONEY column support