[Bast-commits] r7674 - in
DBIx-Class/0.08/branches/sybase_bulk_insert: .
lib/DBIx/Class/Storage/DBI t
caelum at dev.catalyst.perl.org
caelum at dev.catalyst.perl.org
Fri Sep 18 02:15:56 GMT 2009
Author: caelum
Date: 2009-09-18 02:15:55 +0000 (Fri, 18 Sep 2009)
New Revision: 7674
Modified:
DBIx-Class/0.08/branches/sybase_bulk_insert/
DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm
DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t
Log:
r20659 at hlagh (orig r7671): caelum | 2009-09-16 21:03:34 -0400
I'll rewrite this bit tomorrow to be less retarded
r20661 at hlagh (orig r7673): caelum | 2009-09-17 22:03:15 -0400
fix yesterday's stuff, identity_update works, blob updates are better
Property changes on: DBIx-Class/0.08/branches/sybase_bulk_insert
___________________________________________________________________
Name: svk:merge
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bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_unique_query_fixes:2142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/inflate:1988
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510
Modified: DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm 2009-09-18 02:03:15 UTC (rev 7673)
+++ DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm 2009-09-18 02:15:55 UTC (rev 7674)
@@ -237,6 +237,12 @@
$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) = @_;
@@ -394,33 +400,66 @@
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
$self = $self->_writer_storage;
my $guard = $self->txn_scope_guard;
+# 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, $where);
+
my @res;
- if ($wantarray) {
- @res = $self->next::method(@_);
+ if (%$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;
}
- elsif (defined $wantarray) {
- $res[0] = $self->next::method(@_);
- }
- else {
- $self->next::method(@_);
- }
- $self->_update_blobs($source, $blob_cols, $where);
-
$guard->commit;
return $wantarray ? @res : $res[0];
@@ -429,16 +468,23 @@
### the insert_bulk partially stolen from DBI/MSSQL.pm
sub _set_identity_insert {
- my ($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,
$dbh->errstr,
@@ -447,15 +493,20 @@
}
sub _unset_identity_insert {
- my ($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 add blob support
@@ -647,6 +698,8 @@
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) = @_;
@@ -654,8 +707,14 @@
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 $blob_val eq '';
+ }
}
}
@@ -697,7 +756,7 @@
my ($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;
@@ -718,6 +777,18 @@
$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 $sth->errstr;
Modified: DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t
===================================================================
--- DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t 2009-09-18 02:03:15 UTC (rev 7673)
+++ DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t 2009-09-18 02:15:55 UTC (rev 7674)
@@ -5,13 +5,22 @@
use Test::More;
use Test::Exception;
use lib qw(t/lib);
+
+BEGIN {
+ require DBICTest::Schema::BindType;
+ DBICTest::Schema::BindType->add_column(
+ anint => { data_type => 'integer' }
+ );
+}
+
use DBICTest;
-use DBIx::Class::Storage::DBI::Sybase;
-use DBIx::Class::Storage::DBI::Sybase::NoBindVars;
+require DBIx::Class::Storage::DBI::Sybase;
+require DBIx::Class::Storage::DBI::Sybase::NoBindVars;
+
my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_SYBASE_${_}" } qw/DSN USER PASS/};
-my $TESTS = 55 + 2;
+my $TESTS = 58 + 2;
if (not ($dsn && $user)) {
plan skip_all =>
@@ -157,8 +166,7 @@
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 +186,7 @@
$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
@@ -188,6 +196,22 @@
}
}
+# 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 $@;
+ }
+
# test insert_bulk using populate.
lives_ok {
$schema->resultset('Artist')->populate([
@@ -318,7 +342,8 @@
id INT IDENTITY PRIMARY KEY,
bytea INT NULL,
blob IMAGE NULL,
- clob TEXT NULL
+ clob TEXT NULL,
+ anint INT NULL
)
],{ RaiseError => 1, PrintError => 0 });
}
@@ -383,6 +408,13 @@
ok($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
$new_str = $binstr{large} . 'foo';
@@ -417,6 +449,13 @@
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
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