From: Peter Rabbitson Date: Fri, 18 Sep 2009 10:44:08 +0000 (+0000) Subject: All of caelum's work so far (not reviewed) X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2baff5dae873d8de453383486f304721dd26653c;hp=84f97107323065f3be493552cd70ae9d976a4f80;p=dbsrgits%2FDBIx-Class-Historic.git All of caelum's work so far (not reviewed) --- diff --git a/Changes b/Changes index 08f0334..e67499f 100644 --- a/Changes +++ b/Changes @@ -1,5 +1,7 @@ Revision history for DBIx::Class + - Sybase bulk API support for populate() + - Complete Sybase RDBMS support including: - Support for TEXT/IMAGE columns - Support for the 'money' datatype diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm index 4990e78..1ce71fc 100644 --- a/lib/DBIx/Class/Storage/DBI.pm +++ b/lib/DBIx/Class/Storage/DBI.pm @@ -1328,7 +1328,7 @@ sub insert { ## 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) { @@ -1337,12 +1337,51 @@ 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'; + } $self->_query_start( $sql, @bind ); - my $sth = $self->sth($sql); + 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; + } # @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args @@ -1370,12 +1409,14 @@ sub insert_bulk { $sth->bind_param_array( $placeholder_index, [@data], $attributes ); $placeholder_index++; } + my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) }; - if (my $err = $@) { + $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; @@ -1386,13 +1427,12 @@ sub insert_bulk { local $Data::Dumper::Sortkeys = 1; $self->throw_exception(sprintf "%s for populate slice:\n%s", - $tuple_status->[$i][1], + ($tuple_status->[$i][1] || $err), Data::Dumper::Dumper( { map { $cols->[$_] => $data->[$i][$_] } (0 .. $#$cols) } ), ); } - $self->throw_exception($sth->errstr) if !$rv; $self->_query_end( $sql, @bind ); return (wantarray ? ($rv, $sth, @bind) : $rv); @@ -2057,12 +2097,15 @@ Returns a L sth (statement handle) for the supplied SQL. =cut sub _dbh_sth { - my ($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, $sth_attr, 3); # XXX You would think RaiseError would make this impossible, # but apparently that's not true :( @@ -2072,8 +2115,8 @@ sub _dbh_sth { } sub sth { - my ($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 { diff --git a/lib/DBIx/Class/Storage/DBI/Sybase.pm b/lib/DBIx/Class/Storage/DBI/Sybase.pm index 1bb8956..219ca56 100644 --- a/lib/DBIx/Class/Storage/DBI/Sybase.pm +++ b/lib/DBIx/Class/Storage/DBI/Sybase.pm @@ -13,11 +13,16 @@ use List::Util (); use Sub::Name (); __PACKAGE__->mk_group_accessors('simple' => - qw/_identity _blob_log_on_update _writer_storage _is_writer_storage + qw/_identity _blob_log_on_update _writer_storage _is_extra_storage + _bulk_storage _is_bulk_storage _began_bulk_work + _bulk_disabled_due_to_coderef_connect_info_warned _identity_method/ ); -my @also_proxy_to_writer_storage = qw/ +my @also_proxy_to_extra_storages = 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 /; @@ -102,7 +107,7 @@ EOF bless $self, $no_bind_vars; $self->_rebless; } elsif (not $self->_typeless_placeholders_supported) { -# this is highly unlikely, but we check just in case + # this is highly unlikely, but we check just in case $self->auto_cast(1); } } @@ -118,28 +123,63 @@ sub _init { # create storage for insert/(update blob) transactions, # unless this is that storage - return if $self->_is_writer_storage; + return if $self->_is_extra_storage; my $writer_storage = (ref $self)->new; - $writer_storage->_is_writer_storage(1); + $writer_storage->_is_extra_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_writer_storage) { +for my $method (@also_proxy_to_extra_storages) { no strict 'refs'; + no warnings 'redefine'; my $replaced = __PACKAGE__->can($method); - *{$method} = Sub::Name::subname __PACKAGE__."::$method" => sub { + *{$method} = Sub::Name::subname $method => sub { my $self = shift; $self->_writer_storage->$replaced(@_) if $self->_writer_storage; + $self->_bulk_storage->$replaced(@_) if $self->_bulk_storage; return $self->$replaced(@_); }; } +sub disconnect { + my $self = shift; + +# Even though we call $sth->finish for uses off the bulk API, there's still an +# "active statement" warning on disconnect, which we throw away here. +# This is due to the bug described in insert_bulk. +# Currently a noop because 'prepare' is used instead of 'prepare_cached'. + local $SIG{__WARN__} = sub { + warn $_[0] unless $_[0] =~ /active statement/i; + } if $self->_is_bulk_storage; + +# so that next transaction gets a dbh + $self->_began_bulk_work(0) if $self->_is_bulk_storage; + + $self->next::method; +} + # Make sure we have CHAINED mode turned on if AutoCommit is off in non-FreeTDS # DBD::Sybase (since we don't know how DBD::Sybase was compiled.) If however # we're using FreeTDS, CHAINED mode turns on an implicit transaction which we @@ -148,6 +188,12 @@ sub _populate_dbh { my $self = shift; $self->next::method(@_); + + if ($self->_is_bulk_storage) { +# this should be cleared on every reconnect + $self->_began_bulk_work(0); + return; + } if (not $self->using_freetds) { $self->_dbh->{syb_chained_txn} = 1; @@ -195,6 +241,12 @@ sub _is_lob_type { $type && $type =~ /(?:text|image|lob|bytea|binary|memo)/i; } +sub _is_lob_column { + my ($self, $source, $column) = @_; + + return $self->_is_lob_type($source->column_info($column)->{data_type}); +} + sub _prep_for_execute { my $self = shift; my ($op, $extra_bind, $ident, $args) = @_; @@ -352,13 +404,32 @@ sub _insert { sub update { my $self = shift; - my ($source, $fields, $where) = @_; + my ($source, $fields, $where, @rest) = @_; my $wantarray = wantarray; + my $blob_cols = $self->_remove_blob_cols($source, $fields); + my $table = $source->name; + + my $identity_col = List::Util::first + { $source->column_info($_)->{is_auto_increment} } + $source->columns; + + my $is_identity_update = $identity_col && defined $fields->{$identity_col}; + if (not $blob_cols) { + $self->_set_identity_insert($table, 'update') if $is_identity_update; return $self->next::method(@_); + $self->_unset_identity_insert($table, 'update') if $is_identity_update; + } + +# check that we're not updating a blob column that's also in $where + for my $blob (grep $self->_is_lob_column($source, $_), $source->columns) { + if (exists $where->{$blob} && exists $fields->{$blob}) { + croak +'Update of TEXT/IMAGE column that is also in search condition impossible'; + } } # update+blob update(s) done atomically on separate connection @@ -366,37 +437,58 @@ sub update { my $guard = $self->txn_scope_guard; - my @res; - if ($wantarray) { - @res = $self->next::method(@_); - } - elsif (defined $wantarray) { - $res[0] = $self->next::method(@_); - } - else { - $self->next::method(@_); - } +# First update the blob columns to be updated to '' (taken from $fields, where +# it is originally put by _remove_blob_cols .) + my %blobs_to_empty = map { ($_ => delete $fields->{$_}) } keys %$blob_cols; + + $self->next::method($source, \%blobs_to_empty, $where, @rest); +# Now update the blobs before the other columns in case the update of other +# columns makes the search condition invalid. $self->_update_blobs($source, $blob_cols, $where); + my @res; + if (%$fields) { + $self->_set_identity_insert($table, 'update') if $is_identity_update; + + if ($wantarray) { + @res = $self->next::method(@_); + } + elsif (defined $wantarray) { + $res[0] = $self->next::method(@_); + } + else { + $self->next::method(@_); + } + + $self->_unset_identity_insert($table, 'update') if $is_identity_update; + } + $guard->commit; return $wantarray ? @res : $res[0]; } -### the insert_bulk stuff stolen from DBI/MSSQL.pm +### the insert_bulk partially stolen from DBI/MSSQL.pm sub _set_identity_insert { - my ($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), ); + $self->_query_start($sql); + my $dbh = $self->_get_dbh; eval { $dbh->do ($sql) }; - if ($@) { + my $exception = $@; + + $self->_query_end($sql); + + if ($exception) { $self->throw_exception (sprintf "Error executing '%s': %s", $sql, $dbh->errstr, @@ -405,42 +497,253 @@ sub _set_identity_insert { } sub _unset_identity_insert { - my ($self, $table) = @_; + my ($self, $table, $op) = @_; my $sql = sprintf ( - 'SET IDENTITY_INSERT %s OFF', + 'SET IDENTITY_%s %s OFF', + (uc($op) || 'INSERT'), $self->sql_maker->_quote ($table), ); + $self->_query_start($sql); + my $dbh = $self->_get_dbh; $dbh->do ($sql); + + $self->_query_end($sql); } -# XXX this should use the DBD::Sybase bulk API, where possible +# for tests +sub _can_insert_bulk { 1 } + 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} } - (@{$cols}) - ) - ? 1 - : 0; - - if ($is_identity_insert) { - $self->_set_identity_insert ($source->name); + { $source->column_info ($_)->{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); } - $self->next::method(@_); + 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'; - if ($is_identity_insert) { - $self->_unset_identity_insert ($source->name); + ($self, my ($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 $guard; + return; } -} -### end of stolen insert_bulk section +# otherwise, use the bulk API + +# rearrange @$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; + } +# 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); + + 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), + Data::Dumper::Dumper( + { 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. + +$@ +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); + } + + DBD::Sybase::set_cslib_cb($orig_cslib_cb); +} + +# Make sure blobs are not bound as placeholders, and return any non-empty ones +# as a hash. sub _remove_blob_cols { my ($self, $source, $fields) = @_; @@ -448,14 +751,47 @@ sub _remove_blob_cols { for my $col (keys %$fields) { if ($self->_is_lob_type($source->column_info($col)->{data_type})) { - $blob_cols{$col} = delete $fields->{$col}; - $fields->{$col} = \"''"; + my $blob_val = delete $fields->{$col}; + if (not defined $blob_val) { + $fields->{$col} = \'NULL'; + } + else { + $fields->{$col} = \"''"; + $blob_cols{$col} = $blob_val unless $blob_val eq ''; + } } } return keys %blob_cols ? \%blob_cols : undef; } +# same for insert_bulk +sub _remove_blob_cols_array { + my ($self, $source, $cols, $data) = @_; + + my @blob_cols; + + for my $i (0..$#$cols) { + my $col = $cols->[$i]; + + if ($self->_is_lob_type($source->column_info($col)->{data_type})) { + for my $j (0..$#$data) { + my $blob_val = delete $data->[$j][$i]; + if (not defined $blob_val) { + $data->[$j][$i] = \'NULL'; + } + else { + $data->[$j][$i] = \"''"; + $blob_cols[$j][$i] = $blob_val + unless $blob_val eq ''; + } + } + } + } + + return @blob_cols ? \@blob_cols : undef; +} + sub _update_blobs { my ($self, $source, $blob_cols, $where) = @_; @@ -491,7 +827,7 @@ sub _insert_blobs { my ($self, $source, $blob_cols, $row) = @_; my $dbh = $self->_get_dbh; - my $table = $source->from; + my $table = $source->name; my %row = %$row; my (@primary_cols) = $source->primary_columns; @@ -512,6 +848,18 @@ sub _insert_blobs { $cursor->next; my $sth = $cursor->sth; + if (not $sth) { + require Data::Dumper; + local $Data::Dumper::Terse = 1; + local $Data::Dumper::Indent = 1; + local $Data::Dumper::Useqq = 1; + local $Data::Dumper::Quotekeys = 0; + local $Data::Dumper::Sortkeys = 1; + + croak "\nCould not find row in table '$table' for blob update:\n". + Data::Dumper::Dumper(\%where)."\n"; + } + eval { do { $sth->func('CS_GET', 1, 'ct_data_info') or die $sth->errstr; @@ -546,6 +894,26 @@ sub _insert_blobs { } } +sub _insert_blobs_array { + my ($self, $source, $blob_cols, $cols, $data) = @_; + + for my $i (0..$#$data) { + my $datum = $data->[$i]; + + my %row; + @row{ @$cols } = @$datum; + + my %blob_vals; + for my $j (0..$#$cols) { + if (exists $blob_cols->[$i][$j]) { + $blob_vals{ $cols->[$j] } = $blob_cols->[$i][$j]; + } + } + + $self->_insert_blobs ($source, \%blob_vals, \%row); + } +} + =head2 connect_call_datetime_setup Used as: @@ -597,10 +965,18 @@ sub datetime_parser_type { "DateTime::Format::Sybase" } sub _dbh_begin_work { my $self = shift; + +# bulkLogin=1 connections are always in a transaction, and can only call BEGIN +# TRAN once. However, we need to make sure there's a $dbh. + return if $self->_is_bulk_storage && $self->_dbh && $self->_began_bulk_work; + $self->next::method(@_); + if ($self->using_freetds) { $self->_get_dbh->do('BEGIN TRAN'); } + + $self->_began_bulk_work(1) if $self->_is_bulk_storage; } sub _dbh_commit { @@ -772,6 +1148,27 @@ C command on connection. See L for a L setting you need to work with C columns. +=head1 BULK API + +The experimental L Bulk API support is used for +L in B context, in a transaction +on a separate connection. + +To use this feature effectively, use a large number of rows for each +L call, eg.: + + while (my $rows = $data_source->get_100_rows()) { + $rs->populate($rows); + } + +B the L +calls in your C classes B list columns in database order for this +to work. Also, you may have to unset the C environment variable before +loading your app, if it doesn't match the character set of your database. + +When inserting IMAGE columns using this method, you'll need to use +L as well. + =head1 AUTHOR See L. diff --git a/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm b/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm index 32908ee..ebb1dcc 100644 --- a/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm +++ b/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm @@ -59,6 +59,9 @@ sub _prep_interpolated_value { return $value; } +# for tests +sub _can_insert_bulk { 0 } + 1; =head1 NAME diff --git a/t/746sybase.t b/t/746sybase.t index 9e0caae..430d5a4 100644 --- a/t/746sybase.t +++ b/t/746sybase.t @@ -6,12 +6,13 @@ use Test::More; use Test::Exception; use lib qw(t/lib); use DBICTest; -use DBIx::Class::Storage::DBI::Sybase; -use DBIx::Class::Storage::DBI::Sybase::NoBindVars; + +require DBIx::Class::Storage::DBI::Sybase; +require DBIx::Class::Storage::DBI::Sybase::NoBindVars; my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_SYBASE_${_}" } qw/DSN USER PASS/}; -my $TESTS = 48 + 2; +my $TESTS = 58 + 2; if (not ($dsn && $user)) { plan skip_all => @@ -157,8 +158,7 @@ SQL is( $it->count, 7, 'COUNT of GROUP_BY ok' ); -# do an identity insert (which should happen with no txn when using -# placeholders.) +# do an IDENTITY_INSERT { no warnings 'redefine'; @@ -178,7 +178,7 @@ SQL $schema->resultset('Artist') ->create({ artistid => 999, name => 'mtfnpy' }); - ok((grep /IDENTITY_INSERT/i, @debug_out), 'IDENTITY_INSERT'); + ok((grep /IDENTITY_INSERT/i, @debug_out), 'IDENTITY_INSERT used'); SKIP: { skip 'not testing lack of txn on IDENTITY_INSERT with NoBindVars', 1 @@ -188,70 +188,142 @@ SQL } } -# test insert_bulk using populate, this should always pass whether or not it -# does anything Sybase specific or not. Just here to aid debugging. - 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'; +# do an IDENTITY_UPDATE + { + my @debug_out; + local $schema->storage->{debug} = 1; + local $schema->storage->debugobj->{callback} = sub { + push @debug_out, $_[1]; + }; + + lives_and { + $schema->resultset('Artist') + ->find(999)->update({ artistid => 555 }); + ok((grep /IDENTITY_UPDATE/i, @debug_out)); + } 'IDENTITY_UPDATE used'; + $ping_count-- if $@; + } my $bulk_rs = $schema->resultset('Artist')->search({ 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'); +# test insert_bulk using populate. + SKIP: { + skip 'insert_bulk not supported', 4 + unless $schema->storage->_can_insert_bulk; - my %bulk_ids; - @bulk_ids{map $_->artistid, $bulk_rs->all} = (); + 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; + } - is ((scalar keys %bulk_ids), 3, - 'identities generated correctly in insert_bulk'); +# 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; - $bulk_rs->delete; + 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; + } -# now test insert_bulk with IDENTITY_INSERT - lives_ok { +# 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([ { - 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'; + } 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'; - 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'); +# now test insert_bulk with IDENTITY_INSERT + SKIP: { + skip 'insert_bulk not supported', 3 + unless $schema->storage->_can_insert_bulk; - $bulk_rs->delete; + 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 @@ SQL # 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 if $schema->storage->using_freetds; my $dbh = $schema->storage->_dbh; @@ -276,7 +348,7 @@ SQL CREATE TABLE bindtype_test ( id INT IDENTITY PRIMARY KEY, - bytea INT NULL, + bytea IMAGE NULL, blob IMAGE NULL, clob TEXT NULL ) @@ -301,45 +373,30 @@ SQL foreach my $size (qw(small large)) { no warnings 'uninitialized'; - my $created = eval { $rs->create( { $type => $binstr{$size} } ) }; - ok(!$@, "inserted $size $type without dying"); - diag $@ if $@; + my $created; + lives_ok { + $created = $rs->create( { $type => $binstr{$size} } ) + } "inserted $size $type without dying"; $last_id = $created->id if $created; - my $got = eval { - $rs->find($last_id)->$type - }; - diag $@ if $@; - ok($got eq $binstr{$size}, "verified inserted $size $type"); + lives_and { + ok($rs->find($last_id)->$type eq $binstr{$size}) + } "verified inserted $size $type"; } } + $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') }; - - $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 }); - } - my $created = eval { $rs->create( { id => 1, blob => $binstr{large} } ) }; - ok(!$@, "inserted large blob without dying with manual PK"); - diag $@ if $@; + lives_ok { + $rs->create( { id => 1, blob => $binstr{large} } ) + } 'inserted large blob without dying with manual PK'; - my $got = eval { - $rs->find(1)->blob - }; - diag $@ if $@; - ok($got eq $binstr{large}, "verified inserted large blob with manual PK"); + lives_and { + ok($rs->find(1)->blob eq $binstr{large}) + } 'verified inserted large blob with manual PK'; # try a blob update my $new_str = $binstr{large} . 'mtfnpy'; @@ -350,22 +407,62 @@ SQL $schema = get_schema(); } - 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"); + 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'; + + # 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; - $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'); + 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'); + + # 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 @@ -381,10 +478,7 @@ SQL }); # test insert transaction when there's an active cursor - SKIP: { - skip 'not testing insert with active cursor if using ::NoBindVars', 1 - if $storage_type =~ /NoBindVars/i; - + { my $artist_rs = $schema->resultset('Artist'); $artist_rs->first; lives_ok {