X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI.pm;h=d207767d1ea3693a21dae85adc0a8b276d70c087;hb=723f25e01d5265eab37b8281da0b22387cfa1aaa;hp=9c622f8428dabf5f69a5bd3807ecfe48bae0f8e1;hpb=894108b6db72b567cb54c2cf5d0accc1854f76ac;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm index 9c622f8..d207767 100644 --- a/lib/DBIx/Class/Storage/DBI.pm +++ b/lib/DBIx/Class/Storage/DBI.pm @@ -1703,22 +1703,68 @@ sub _execute { my ($sql, $bind) = $self->_prep_for_execute($op, $ident, \@args); - shift->dbh_do( # retry over disconnects - '_dbh_execute', + # not even a PID check - we do not care about the state of the _dbh. + # All we need is to get the appropriate drivers loaded if they aren't + # already so that the assumption in ad7c50fc26e holds + $self->_populate_dbh unless $self->_dbh; + + $self->dbh_do( _dbh_execute => # retry over disconnects $sql, $bind, - $ident, + $self->_dbi_attrs_for_bind($ident, $bind), ); } sub _dbh_execute { - my ($self, undef, $sql, $bind, $ident) = @_; + my ($self, $dbh, $sql, $bind, $bind_attrs) = @_; $self->_query_start( $sql, $bind ); - my $bind_attrs = $self->_dbi_attrs_for_bind($ident, $bind); + my $sth = $self->_bind_sth_params( + $self->_prepare_sth($dbh, $sql), + $bind, + $bind_attrs, + ); + + # Can this fail without throwing an exception anyways??? + my $rv = $sth->execute(); + $self->throw_exception( + $sth->errstr || $sth->err || 'Unknown error: execute() returned false, but error flags were not set...' + ) if !$rv; + + $self->_query_end( $sql, $bind ); + + return (wantarray ? ($rv, $sth, @$bind) : $rv); +} + +sub _prepare_sth { + my ($self, $dbh, $sql) = @_; + + # 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); + + # XXX You would think RaiseError would make this impossible, + # but apparently that's not true :( + $self->throw_exception( + $dbh->errstr + || + sprintf( "\$dbh->prepare() of '%s' through %s failed *silently* without " + .'an exception and/or setting $dbh->errstr', + length ($sql) > 20 + ? substr($sql, 0, 20) . '...' + : $sql + , + 'DBD::' . $dbh->{Driver}{Name}, + ) + ) if !$sth; + + $sth; +} - my $sth = $self->_sth($sql); +sub _bind_sth_params { + my ($self, $sth, $bind, $bind_attrs) = @_; for my $i (0 .. $#$bind) { if (ref $bind->[$i][1] eq 'SCALAR') { # any scalarrefs are assumed to be bind_inouts @@ -1730,26 +1776,21 @@ sub _dbh_execute { ); } else { + # FIXME SUBOPTIMAL - most likely this is not necessary at all + # confirm with dbi-dev whether explicit stringification is needed + my $v = ( length ref $bind->[$i][1] and overload::Method($bind->[$i][1], '""') ) + ? "$bind->[$i][1]" + : $bind->[$i][1] + ; $sth->bind_param( $i + 1, - (ref $bind->[$i][1] and overload::Method($bind->[$i][1], '""')) - ? "$bind->[$i][1]" - : $bind->[$i][1] - , + $v, $bind_attrs->[$i], ); } } - # Can this fail without throwing an exception anyways??? - my $rv = $sth->execute(); - $self->throw_exception( - $sth->errstr || $sth->err || 'Unknown error: execute() returned false, but error flags were not set...' - ) if !$rv; - - $self->_query_end( $sql, $bind ); - - return (wantarray ? ($rv, $sth, @$bind) : $rv); + $sth; } sub _prefetch_autovalues { @@ -1886,14 +1927,15 @@ sub insert_bulk { my @col_range = (0..$#$cols); - # FIXME - perhaps this is not even needed? does DBI stringify? + # 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 ( ref $data->[$r][$c] and overload::Method($data->[$r][$c], '""') ); + if ( length ref $data->[$r][$c] and overload::Method($data->[$r][$c], '""') ); } } @@ -2077,7 +2119,7 @@ sub insert_bulk { my $guard = $self->txn_scope_guard; $self->_query_start( $sql, @$proto_bind ? [[undef => '__BULK_INSERT__' ]] : () ); - my $sth = $self->_sth($sql); + my $sth = $self->_prepare_sth($self->_dbh, $sql); my $rv = do { if (@$proto_bind) { # proto bind contains the information on which pieces of $data to pull @@ -2243,13 +2285,11 @@ sub _select_args_to_query { $self->_select_args(@_); # my ($sql, $prepared_bind) = $self->_gen_sql_bind($op, $ident, [ $select, $cond, $rs_attrs, $rows, $offset ]); - my ($sql, $prepared_bind) = $self->_gen_sql_bind($op, $ident, \@args); - $prepared_bind ||= []; + my ($sql, $bind) = $self->_gen_sql_bind($op, $ident, \@args); - return wantarray - ? ($sql, $prepared_bind) - : \[ "($sql)", @$prepared_bind ] - ; + # reuse the bind arrayref + unshift @{$bind}, "($sql)"; + \$bind; } sub _select_args { @@ -2395,42 +2435,6 @@ see L. =cut -sub _dbh_sth { - my ($self, $dbh, $sql) = @_; - - # 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); - - # XXX You would think RaiseError would make this impossible, - # but apparently that's not true :( - $self->throw_exception( - $dbh->errstr - || - sprintf( "\$dbh->prepare() of '%s' through %s failed *silently* without " - .'an exception and/or setting $dbh->errstr', - length ($sql) > 20 - ? substr($sql, 0, 20) . '...' - : $sql - , - 'DBD::' . $dbh->{Driver}{Name}, - ) - ) if !$sth; - - $sth; -} - -sub sth { - carp_unique 'sth was mistakenly marked/documented as public, stop calling it (will be removed before DBIC v0.09)'; - shift->_sth(@_); -} - -sub _sth { - my ($self, $sql) = @_; - $self->dbh_do('_dbh_sth', $sql); # retry over disconnects -} - sub _dbh_columns_info_for { my ($self, $dbh, $table) = @_; @@ -2658,8 +2662,7 @@ $version in the name with "$preversion-$version". See L for a list of values for C<\%sqlt_args>. The most common value for this would be C<< { add_drop_table => 1 } >> to have the SQL produced include a C statement for each table -created. For quoting purposes supply C and -C. +created. For quoting purposes supply C. If no arguments are passed, then the following default values are assumed: