X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSQLMaker%2FLimitDialects.pm;h=d3ea35cc10311a87d18dbd2b74b60cd4ef7d8193;hb=08a1eaadb08c5c62b6c0892537ef145d3d7df314;hp=93e9f3f0fed0065a4bcb1249d6818d1e3715dc1f;hpb=833733fef294162648651be27591251ab9d0648c;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/SQLMaker/LimitDialects.pm b/lib/DBIx/Class/SQLMaker/LimitDialects.pm index 93e9f3f..d3ea35c 100644 --- a/lib/DBIx/Class/SQLMaker/LimitDialects.pm +++ b/lib/DBIx/Class/SQLMaker/LimitDialects.pm @@ -279,7 +279,7 @@ EOS $rs_attrs->{order_by} and $rs_attrs->{_rsroot_rsrc}->storage->_order_by_is_stable( - $rs_attrs->{from}, $rs_attrs->{order_by} + @{$rs_attrs}{qw/from order_by where/} ) ) { push @{$self->{limit_bind}}, [ $self->__total_bindtype => $offset + $rows ], [ $self->__offset_bindtype => $offset + 1 ]; @@ -331,10 +331,11 @@ sub _prep_for_skimming_limit { if ($sq_attrs->{order_by_requested}) { $self->throw_exception ( 'Unable to safely perform "skimming type" limit with supplied unstable order criteria' - ) unless $rs_attrs->{_rsroot_rsrc}->schema->storage->_order_by_is_stable( + ) unless ($rs_attrs->{_rsroot_rsrc}->schema->storage->_order_by_is_stable( $rs_attrs->{from}, - $requested_order - ); + $requested_order, + $rs_attrs->{where}, + )); $inner_order = $requested_order; } @@ -536,9 +537,9 @@ sub _RowCountOrGenericSubQ { return $self->_GenericSubQ(@_) if $offset; - return sprintf <<"EOF", $rows, $sql; + return sprintf <<"EOF", $rows, $sql, $self->_parse_rs_attrs( $rs_attrs ); SET ROWCOUNT %d -%s +%s %s SET ROWCOUNT 0 EOF } @@ -556,8 +557,11 @@ This is the most evil limit "dialect" (more of a hack) for I stupid databases. It works by ordering the set by some unique column, and calculating the amount of rows that have a less-er value (thus emulating a L-like index). Of course this implies the set can only be ordered by a single unique -column. Also note that this technique can be and often is B. +column. + +Also note that this technique can be and often is B. You +may have much better luck using L +instead. Currently used by B, due to lack of any other option. @@ -769,7 +773,7 @@ sub _subqueried_limit_attrs { next if $in_sel_index->{$chunk}; $extra_order_sel->{$chunk} ||= $self->_quote ( - 'ORDER__BY__' . scalar keys %{$extra_order_sel||{}} + 'ORDER__BY__' . sprintf '%03d', scalar keys %{$extra_order_sel||{}} ); }