X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FOracle%2FGeneric.pm;h=2b4ce757bf0c661e254f54e53b679cb70257450f;hb=f8135512c346d8cb6f3dc569f4bb11576e85f97b;hp=3840c34804f141c3cbc4e4255f49f6357f16c8b0;hpb=52cef7e30a43620553dc38ce52a10946b76a814c;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm index 3840c34..2b4ce75 100644 --- a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm +++ b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm @@ -103,9 +103,6 @@ sub deployment_statements { my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_; $sqltargs ||= {}; - my $quote_char = $self->schema->storage->sql_maker->quote_char; - $sqltargs->{quote_table_names} = $quote_char ? 1 : 0; - $sqltargs->{quote_field_names} = $quote_char ? 1 : 0; if ( ! exists $sqltargs->{producer_args}{oracle_version} @@ -203,7 +200,7 @@ sub _dbh_get_autoinc_seq { } else { $self->throw_exception( sprintf ( - "Unable to introspect trigger '%s' for column %s.%s (references multiple sequences). " + "Unable to introspect trigger '%s' for column '%s.%s' (references multiple sequences). " . "You need to specify the correct 'sequence' explicitly in '%s's column_info.", $triggers[0]{name}, $source_name, @@ -225,7 +222,7 @@ sub _dbh_get_autoinc_seq { } else { $self->throw_exception( sprintf ( - "Unable to reliably select a BEFORE INSERT trigger for column %s.%s (possibilities: %s). " + "Unable to reliably select a BEFORE INSERT trigger for column '%s.%s' (possibilities: %s). " . "You need to specify the correct 'sequence' explicitly in '%s's column_info.", $source_name, $col, @@ -246,7 +243,7 @@ sub _dbh_get_autoinc_seq { } $self->throw_exception( sprintf ( - "No suitable BEFORE INSERT triggers found for column %s.%s. " + "No suitable BEFORE INSERT triggers found for column '%s.%s'. " . "You need to specify the correct 'sequence' explicitly in '%s's column_info.", $source_name, $col, @@ -284,49 +281,47 @@ sub _ping { } sub _dbh_execute { - my ($self, $dbh, $sql, @args) = @_; + #my ($self, $dbh, $sql, $bind, $bind_attrs) = @_; + my ($self, $sql, $bind) = @_[0,2,3]; - my (@res, $tried); - my $want = wantarray; - my $next = $self->next::can; - do { - try { - my $exec = sub { - # Turn off sth caching for multi-part LOBs. See _prep_for_execute above. - local $self->{disable_sth_caching} = 1 - if first { - ($_->[0]{_ora_lob_autosplit_part}||0) - > (__cache_queries_with_max_lob_parts-1) - } @{ $args[0] }; - - $self->$next($dbh, $sql, @args) - }; + # Turn off sth caching for multi-part LOBs. See _prep_for_execute below + local $self->{disable_sth_caching} = 1 if first { + ($_->[0]{_ora_lob_autosplit_part}||0) + > + (__cache_queries_with_max_lob_parts - 1) + } @$bind; - if (!defined $want) { - $exec->(); - } - elsif (! $want) { - $res[0] = $exec->(); - } - else { - @res = $exec->(); - } + my $next = $self->next::can; - $tried++; - } - catch { - if (! $tried and $_ =~ /ORA-01003/) { - # ORA-01003: no statement parsed (someone changed the table somehow, - # invalidating your cursor.) + # if we are already in a txn we can't retry anything + return shift->$next(@_) + if $self->transaction_depth; + + # cheat the blockrunner we are just about to create + # we do want to rerun things regardless of outer state + local $self->{_in_do_block}; + + return DBIx::Class::Storage::BlockRunner->new( + storage => $self, + wrap_txn => 0, + retry_handler => sub { + # ORA-01003: no statement parsed (someone changed the table somehow, + # invalidating your cursor.) + if ( + $_[0]->failed_attempt_count == 1 + and + $_[0]->last_exception =~ /ORA-01003/ + and + my $dbh = $_[0]->storage->_dbh + ) { delete $dbh->{CachedKids}{$sql}; + return 1; } else { - $self->throw_exception($_); + return 0; } - }; - } while (! $tried++); - - return wantarray ? @res : $res[0]; + }, + )->run( $next, @_ ); } sub _dbh_execute_for_fetch { @@ -519,7 +514,7 @@ sub _prep_for_execute { my ($final_sql, @final_binds); if ($op eq 'update') { - $self->throw_exception('Update with complex WHERE clauses currently not supported') + $self->throw_exception('Update with complex WHERE clauses involving BLOB columns currently not supported') if $sql =~ /\bWHERE\b .+ \bWHERE\b/xs; my $where_sql; @@ -640,7 +635,7 @@ Unfortunately, Oracle doesn't support identifiers over 30 chars in length, so the L name is shortened and appended with half of an MD5 hash. -See L. +See L. =cut @@ -651,7 +646,7 @@ sub relname_to_table_alias { my $alias = $self->next::method(@_); # we need to shorten here in addition to the shortening in SQLA itself, - # since the final relnames are a crucial for the join optimizer + # since the final relnames are crucial for the join optimizer return $self->sql_maker->_shorten_identifier($alias); } @@ -768,13 +763,16 @@ It uses the same syntax as L # ORDER SIBLINGS BY # firstname ASC -=head1 AUTHOR +=head1 FURTHER QUESTIONS? -See L and L. +Check the list of L. -=head1 LICENSE +=head1 COPYRIGHT AND LICENSE -You may distribute this code under the same terms as Perl itself. +This module is free software L +by the L. You can +redistribute it and/or modify it under the same terms as the +L. =cut