sub assemble_collapsing_parser {
my $args = shift;
- # it may get unset further down
- my $no_rowid_container = $args->{prune_null_branches};
-
- my ($top_node_key, $top_node_key_assembler);
+ my ($top_node_key, $top_node_key_assembler, $variant_idcols);
if (scalar @{$args->{collapse_map}{-identifying_columns}}) {
$top_node_key = join ('', map
my @path_parts = map { sprintf
"( ( defined '\xFF__VALPOS__%d__\xFF' ) && (join qq(\xFF), '', %s, '') )",
$_->[0], # checking just first is enough - one ID defined, all defined
- ( join ', ', map { "'\xFF__VALPOS__${_}__\xFF'" } @$_ ),
+ ( join ', ', map { ++$variant_idcols->{$_} and "'\xFF__IDVALPOS__${_}__\xFF'" } @$_ ),
} @variants;
my $virtual_column_idx = (scalar keys %{$args->{val_index}} ) + 1;
%{$args->{collapse_map}},
-custom_node_key => $top_node_key,
};
-
- $no_rowid_container = 0;
}
else {
die('Unexpected collapse map contents');
my ($data_assemblers, $stats) = __visit_infmap_collapse ($args);
- my @idcol_args = $no_rowid_container ? ('', '') : (
- ', %cur_row_ids', # only declare the variable if we'll use it
- join ("\n", map {
- my $quoted_null_val = qq( "\0NULL\xFF\${rows_pos}\xFF${_}\0" );
- qq(\$cur_row_ids{$_} = ) . (
- # in case we prune - we will never hit these undefs
- $args->{prune_null_branches} ? qq( \$cur_row_data->[$_]; )
- : HAS_DOR ? qq( \$cur_row_data->[$_] // $quoted_null_val; )
- : qq( defined(\$cur_row_data->[$_]) ? \$cur_row_data->[$_] : $quoted_null_val; )
- )
- } sort { $a <=> $b } keys %{ $stats->{idcols_seen} } ),
- );
-
- my $parser_src = sprintf (<<'EOS', @idcol_args, $top_node_key_assembler||'', $top_node_key, join( "\n", @{$data_assemblers||[]} ) );
+ # variants do not necessarily overlap with true idcols
+ my @row_ids = sort { $a <=> $b } keys %{ {
+ %{ $variant_idcols || {} },
+ %{ $stats->{idcols_seen} },
+ } };
+
+ my $row_id_defs = sprintf "\@cur_row_ids{( %s )} = ( \n%s \n );",
+ join (', ', @row_ids ),
+ # in case we prune - we will never hit undefs/NULLs as pigeon-hole-criteria
+ ( $args->{prune_null_branches}
+ ? sprintf( '@{$cur_row_data}[( %s )]', join ', ', @row_ids )
+ : join (",\n", map {
+ my $quoted_null_val = qq( "\0NULL\xFF\${rows_pos}\xFF${_}\0" );
+ HAS_DOR
+ ? qq! ( \$cur_row_data->[$_] // $quoted_null_val ) !
+ : qq! ( defined(\$cur_row_data->[$_]) ? \$cur_row_data->[$_] : $quoted_null_val ) !
+ } @row_ids)
+ )
+ ;
+
+ my $parser_src = sprintf (<<'EOS', $row_id_defs, $top_node_key_assembler||'', $top_node_key, join( "\n", @{$data_assemblers||[]} ) );
### BEGIN LITERAL STRING EVAL
my $rows_pos = 0;
- my ($result_pos, @collapse_idx, $cur_row_data %1$s);
+ my ($result_pos, @collapse_idx, $cur_row_data, %%cur_row_ids );
# this loop is a bit arcane - the rationale is that the passed in
# $_[0] will either have only one row (->next) or will have all
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
- # this code exists only when we are using a cur_row_ids
- # furthermore the undef checks may or may not be there
+ # the undef checks may or may not be there
# depending on whether we prune or not
#
# due to left joins some of the ids may be NULL/undef, and
# won't play well when used as hash lookups
# we also need to differentiate NULLs on per-row/per-col basis
# (otherwise folding of optional 1:1s will be greatly confused
-%2$s
+%1$s
# in the case of an underdefined root - calculate the virtual id (otherwise no code at all)
-%3$s
+%2$s
# if we were supplied a coderef - we are collapsing lazily (the set
# is ordered properly)
# as long as we have a result already and the next result is new we
# return the pre-read data and bail
-$_[1] and $result_pos and ! $collapse_idx[0]%4$s and (unshift @{$_[2]}, $cur_row_data) and last;
+$_[1] and $result_pos and ! $collapse_idx[0]%3$s and (unshift @{$_[2]}, $cur_row_data) and last;
# the rel assemblers
-%5$s
+%4$s
}
$parser_src =~ s/
\' \xFF__IDVALPOS__(\d+)__\xFF \'
/
- $no_rowid_container ? "\$cur_row_data->[$1]" : "\$cur_row_ids{$1}"
+ "\$cur_row_ids{$1}"
/gex;
__wrap_in_strictured_scope($parser_src);
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
- $cur_row_ids{0} = $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0";
- $cur_row_ids{1} = $cur_row_data->[1] // "\0NULL\xFF$rows_pos\xFF1\0";
- $cur_row_ids{3} = $cur_row_data->[3] // "\0NULL\xFF$rows_pos\xFF3\0";
- $cur_row_ids{4} = $cur_row_data->[4] // "\0NULL\xFF$rows_pos\xFF4\0";
- $cur_row_ids{5} = $cur_row_data->[5] // "\0NULL\xFF$rows_pos\xFF5\0";
+ @cur_row_ids{0,1,3,4,5} = (
+ ( $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0" ),
+ ( $cur_row_data->[1] // "\0NULL\xFF$rows_pos\xFF1\0" ),
+ ( $cur_row_data->[3] // "\0NULL\xFF$rows_pos\xFF3\0" ),
+ ( $cur_row_data->[4] // "\0NULL\xFF$rows_pos\xFF4\0" ),
+ ( $cur_row_data->[5] // "\0NULL\xFF$rows_pos\xFF5\0" ),
+ );
# a present cref in $_[1] implies lazy prefetch, implies a supplied stash in $_[2]
$_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_ids{4}}{$cur_row_ids{5}} and (unshift @{$_[2]}, $cur_row_data) and last;
prune_null_branches => 1,
}))[0],
' my $rows_pos = 0;
- my ($result_pos, @collapse_idx, $cur_row_data);
+ my ($result_pos, @collapse_idx, $cur_row_data, %cur_row_ids);
while ($cur_row_data = (
( $rows_pos >= 0 and $_[0][$rows_pos++] )
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
+ @cur_row_ids{0, 1, 3, 4, 5} = @{$cur_row_data}[0, 1, 3, 4, 5];
+
# a present cref in $_[1] implies lazy prefetch, implies a supplied stash in $_[2]
- $_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_data->[4]}{$cur_row_data->[5]} and (unshift @{$_[2]}, $cur_row_data) and last;
+ $_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_ids{4}}{$cur_row_ids{5}} and (unshift @{$_[2]}, $cur_row_data) and last;
# the rowdata itself for root node
- $collapse_idx[0]{$cur_row_data->[4]}{$cur_row_data->[5]} //= $_[0][$result_pos++] = { artist => $cur_row_data->[5], title => $cur_row_data->[4], year => $cur_row_data->[2] };
+ $collapse_idx[0]{$cur_row_ids{4}}{$cur_row_ids{5}} //= $_[0][$result_pos++] = { artist => $cur_row_data->[5], title => $cur_row_data->[4], year => $cur_row_data->[2] };
# prefetch data of single_track (placed in root)
- (! defined($cur_row_data->[1]) ) ? $collapse_idx[0]{$cur_row_data->[4]}{$cur_row_data->[5]}{single_track} = undef : do {
- $collapse_idx[0]{$cur_row_data->[4]}{$cur_row_data->[5]}{single_track} //= $collapse_idx[1]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]};
+ (! defined($cur_row_data->[1]) ) ? $collapse_idx[0]{$cur_row_ids{4}}{$cur_row_ids{5}}{single_track} = undef : do {
+ $collapse_idx[0]{$cur_row_ids{4}}{$cur_row_ids{5}}{single_track} //= $collapse_idx[1]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}};
# prefetch data of cd (placed in single_track)
- $collapse_idx[1]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]}{cd} //= $collapse_idx[2]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]};
+ $collapse_idx[1]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}}{cd} //= $collapse_idx[2]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}};
# prefetch data of artist ( placed in single_track->cd)
- $collapse_idx[2]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]}{artist} //= $collapse_idx[3]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]} = { artistid => $cur_row_data->[1] };
+ $collapse_idx[2]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}}{artist} //= $collapse_idx[3]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}} = { artistid => $cur_row_data->[1] };
# prefetch data of cds (if available)
- (! defined $cur_row_data->[3] ) ? $collapse_idx[3]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]}{cds} = [] : do {
+ (! defined $cur_row_data->[3] ) ? $collapse_idx[3]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}}{cds} = [] : do {
- (! $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]} )
+ (! $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}} )
and
- push @{$collapse_idx[3]{$cur_row_data->[1]}{$cur_row_data->[4]}{$cur_row_data->[5]}{cds}}, (
- $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]} = { cdid => $cur_row_data->[3] }
+ push @{$collapse_idx[3]{$cur_row_ids{1}}{$cur_row_ids{4}}{$cur_row_ids{5}}{cds}}, (
+ $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}} = { cdid => $cur_row_data->[3] }
);
# prefetch data of tracks (if available)
- ( ! defined $cur_row_data->[0] ) ? $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]}{tracks} = [] : do {
+ ( ! defined $cur_row_data->[0] ) ? $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}}{tracks} = [] : do {
- (! $collapse_idx[5]{$cur_row_data->[0]}{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]} )
+ (! $collapse_idx[5]{$cur_row_ids{0}}{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}} )
and
- push @{$collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]}{tracks}}, (
- $collapse_idx[5]{$cur_row_data->[0]}{$cur_row_data->[1]}{$cur_row_data->[3]}{$cur_row_data->[4]}{$cur_row_data->[5]} = { title => $cur_row_data->[0] }
+ push @{$collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}}{tracks}}, (
+ $collapse_idx[5]{$cur_row_ids{0}}{$cur_row_ids{1}}{$cur_row_ids{3}}{$cur_row_ids{4}}{$cur_row_ids{5}} = { title => $cur_row_data->[0] }
);
};
};
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
- $cur_row_ids{0} = $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0";
- $cur_row_ids{1} = $cur_row_data->[1] // "\0NULL\xFF$rows_pos\xFF1\0";
- $cur_row_ids{5} = $cur_row_data->[5] // "\0NULL\xFF$rows_pos\xFF5\0";
- $cur_row_ids{6} = $cur_row_data->[6] // "\0NULL\xFF$rows_pos\xFF6\0";
- $cur_row_ids{8} = $cur_row_data->[8] // "\0NULL\xFF$rows_pos\xFF8\0";
- $cur_row_ids{10} = $cur_row_data->[10] // "\0NULL\xFF$rows_pos\xFF10\0";
+ @cur_row_ids{0, 1, 5, 6, 8, 10} = (
+ $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0",
+ $cur_row_data->[1] // "\0NULL\xFF$rows_pos\xFF1\0",
+ $cur_row_data->[5] // "\0NULL\xFF$rows_pos\xFF5\0",
+ $cur_row_data->[6] // "\0NULL\xFF$rows_pos\xFF6\0",
+ $cur_row_data->[8] // "\0NULL\xFF$rows_pos\xFF8\0",
+ $cur_row_data->[10] // "\0NULL\xFF$rows_pos\xFF10\0",
+ );
# a present cref in $_[1] implies lazy prefetch, implies a supplied stash in $_[2]
$_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_ids{1}} and (unshift @{$_[2]}, $cur_row_data) and last;
prune_null_branches => 1,
}))[0],
' my $rows_pos = 0;
- my ($result_pos, @collapse_idx, $cur_row_data);
+ my ($result_pos, @collapse_idx, $cur_row_data, %cur_row_ids);
while ($cur_row_data = (
( $rows_pos >= 0 and $_[0][$rows_pos++] )
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
+ @cur_row_ids{( 0, 1, 5, 6, 8, 10 )} = @{$cur_row_data}[( 0, 1, 5, 6, 8, 10 )];
+
# a present cref in $_[1] implies lazy prefetch, implies a supplied stash in $_[2]
- $_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_data->[1]} and (unshift @{$_[2]}, $cur_row_data) and last;
+ $_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_ids{1}} and (unshift @{$_[2]}, $cur_row_data) and last;
- $collapse_idx[0]{$cur_row_data->[1]} //= $_[0][$result_pos++] = [{ genreid => $cur_row_data->[4], latest_cd => $cur_row_data->[7], year => $cur_row_data->[3] }];
+ $collapse_idx[0]{$cur_row_ids{1}} //= $_[0][$result_pos++] = [{ genreid => $cur_row_data->[4], latest_cd => $cur_row_data->[7], year => $cur_row_data->[3] }];
- $collapse_idx[0]{$cur_row_data->[1]}[1]{existing_single_track} //= $collapse_idx[1]{$cur_row_data->[1]} = [];
- $collapse_idx[1]{$cur_row_data->[1]}[1]{cd} //= $collapse_idx[2]{$cur_row_data->[1]} = [];
- $collapse_idx[2]{$cur_row_data->[1]}[1]{artist} //= $collapse_idx[3]{$cur_row_data->[1]} = [{ artistid => $cur_row_data->[1] }];
+ $collapse_idx[0]{$cur_row_ids{1}}[1]{existing_single_track} //= $collapse_idx[1]{$cur_row_ids{1}} = [];
+ $collapse_idx[1]{$cur_row_ids{1}}[1]{cd} //= $collapse_idx[2]{$cur_row_ids{1}} = [];
+ $collapse_idx[2]{$cur_row_ids{1}}[1]{artist} //= $collapse_idx[3]{$cur_row_ids{1}} = [{ artistid => $cur_row_data->[1] }];
- (! defined($cur_row_data->[6])) ? $collapse_idx[3]{$cur_row_data->[1]}[1]{cds} = [] : do {
- (! $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[6]} )
+ (! defined($cur_row_data->[6])) ? $collapse_idx[3]{$cur_row_ids{1}}[1]{cds} = [] : do {
+ (! $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{6}} )
and
- push @{ $collapse_idx[3]{$cur_row_data->[1]}[1]{cds} }, (
- $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[6]} = [{ cdid => $cur_row_data->[6], genreid => $cur_row_data->[9], year => $cur_row_data->[2] }]
+ push @{ $collapse_idx[3]{$cur_row_ids{1}}[1]{cds} }, (
+ $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{6}} = [{ cdid => $cur_row_data->[6], genreid => $cur_row_data->[9], year => $cur_row_data->[2] }]
);
- (! defined($cur_row_data->[8]) ) ? $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[6]}[1]{tracks} = [] : do {
+ (! defined($cur_row_data->[8]) ) ? $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{6}}[1]{tracks} = [] : do {
- (! $collapse_idx[5]{$cur_row_data->[1]}{$cur_row_data->[6]}{$cur_row_data->[8]} )
+ (! $collapse_idx[5]{$cur_row_ids{1}}{$cur_row_ids{6}}{$cur_row_ids{8}} )
and
- push @{ $collapse_idx[4]{$cur_row_data->[1]}{$cur_row_data->[6]}[1]{tracks} }, (
- $collapse_idx[5]{$cur_row_data->[1]}{$cur_row_data->[6]}{$cur_row_data->[8]} = [{ title => $cur_row_data->[8] }]
+ push @{ $collapse_idx[4]{$cur_row_ids{1}}{$cur_row_ids{6}}[1]{tracks} }, (
+ $collapse_idx[5]{$cur_row_ids{1}}{$cur_row_ids{6}}{$cur_row_ids{8}} = [{ title => $cur_row_data->[8] }]
);
};
};
- (! defined($cur_row_data->[5]) ) ? $collapse_idx[0]{$cur_row_data->[1]}[1]{tracks} = [] : do {
+ (! defined($cur_row_data->[5]) ) ? $collapse_idx[0]{$cur_row_ids{1}}[1]{tracks} = [] : do {
- (! $collapse_idx[6]{$cur_row_data->[1]}{$cur_row_data->[5]} )
+ (! $collapse_idx[6]{$cur_row_ids{1}}{$cur_row_ids{5}} )
and
- push @{ $collapse_idx[0]{$cur_row_data->[1]}[1]{tracks} }, (
- $collapse_idx[6]{$cur_row_data->[1]}{$cur_row_data->[5]} = [{ title => $cur_row_data->[5] }]
+ push @{ $collapse_idx[0]{$cur_row_ids{1}}[1]{tracks} }, (
+ $collapse_idx[6]{$cur_row_ids{1}}{$cur_row_ids{5}} = [{ title => $cur_row_data->[5] }]
);
- (! defined($cur_row_data->[10]) ) ? $collapse_idx[6]{$cur_row_data->[1]}{$cur_row_data->[5]}[1]{lyrics} = [] : do {
+ (! defined($cur_row_data->[10]) ) ? $collapse_idx[6]{$cur_row_ids{1}}{$cur_row_ids{5}}[1]{lyrics} = [] : do {
- $collapse_idx[6]{$cur_row_data->[1]}{$cur_row_data->[5]}[1]{lyrics} //= $collapse_idx[7]{$cur_row_data->[1]}{$cur_row_data->[5]}{$cur_row_data->[10]} = [];
+ $collapse_idx[6]{$cur_row_ids{1}}{$cur_row_ids{5}}[1]{lyrics} //= $collapse_idx[7]{$cur_row_ids{1}}{$cur_row_ids{5}}{$cur_row_ids{10}} = [];
- (! $collapse_idx[8]{$cur_row_data->[0]}{$cur_row_data->[1]}{$cur_row_data->[5]}{$cur_row_data->[10]} )
+ (! $collapse_idx[8]{$cur_row_ids{0}}{$cur_row_ids{1}}{$cur_row_ids{5}}{$cur_row_ids{10}} )
and
- push @{ $collapse_idx[7]{$cur_row_data->[1]}{$cur_row_data->[5]}{$cur_row_data->[10]}[1]{existing_lyric_versions} }, (
- $collapse_idx[8]{$cur_row_data->[0]}{$cur_row_data->[1]}{$cur_row_data->[5]}{$cur_row_data->[10]} = [{ lyric_id => $cur_row_data->[10], text => $cur_row_data->[0] }]
+ push @{ $collapse_idx[7]{$cur_row_ids{1}}{$cur_row_ids{5}}{$cur_row_ids{10}}[1]{existing_lyric_versions} }, (
+ $collapse_idx[8]{$cur_row_ids{0}}{$cur_row_ids{1}}{$cur_row_ids{5}}{$cur_row_ids{10}} = [{ lyric_id => $cur_row_data->[10], text => $cur_row_data->[0] }]
);
};
};
( $_[1] and $rows_pos = -1 and $_[1]->() )
) ) {
- $cur_row_ids{0} = $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0";
- $cur_row_ids{2} = $cur_row_data->[2] // "\0NULL\xFF$rows_pos\xFF2\0";
- $cur_row_ids{3} = $cur_row_data->[3] // "\0NULL\xFF$rows_pos\xFF3\0";
- $cur_row_ids{4} = $cur_row_data->[4] // "\0NULL\xFF$rows_pos\xFF4\0";
- $cur_row_ids{8} = $cur_row_data->[8] // "\0NULL\xFF$rows_pos\xFF8\0";
+ @cur_row_ids{( 0, 2, 3, 4, 8 )} = (
+ $cur_row_data->[0] // "\0NULL\xFF$rows_pos\xFF0\0",
+ $cur_row_data->[2] // "\0NULL\xFF$rows_pos\xFF2\0",
+ $cur_row_data->[3] // "\0NULL\xFF$rows_pos\xFF3\0",
+ $cur_row_data->[4] // "\0NULL\xFF$rows_pos\xFF4\0",
+ $cur_row_data->[8] // "\0NULL\xFF$rows_pos\xFF8\0",
+ );
# cache expensive set of ops in a non-existent rowid slot
$cur_row_ids{10} = (
- ( ( defined $cur_row_data->[0] ) && (join "\xFF", q{}, $cur_row_data->[0], q{} ))
+ ( ( defined $cur_row_data->[0] ) && (join "\xFF", q{}, $cur_row_ids{0}, q{} ))
or
- ( ( defined $cur_row_data->[2] ) && (join "\xFF", q{}, $cur_row_data->[2], q{} ))
+ ( ( defined $cur_row_data->[2] ) && (join "\xFF", q{}, $cur_row_ids{2}, q{} ))
or
"\0$rows_pos\0"
);
) ) {
# do not care about nullability here
- $cur_row_ids{0} = $cur_row_data->[0];
- $cur_row_ids{2} = $cur_row_data->[2];
- $cur_row_ids{3} = $cur_row_data->[3];
- $cur_row_ids{4} = $cur_row_data->[4];
- $cur_row_ids{8} = $cur_row_data->[8];
+ @cur_row_ids{( 0, 2, 3, 4, 8 )} = @{$cur_row_data}[( 0, 2, 3, 4, 8 )];
# cache expensive set of ops in a non-existent rowid slot
$cur_row_ids{10} = (
- ( ( defined $cur_row_data->[0] ) && (join "\xFF", q{}, $cur_row_data->[0], q{} ))
+ ( ( defined $cur_row_data->[0] ) && (join "\xFF", q{}, $cur_row_ids{0}, q{} ))
or
- ( ( defined $cur_row_data->[2] ) && (join "\xFF", q{}, $cur_row_data->[2], q{} ))
+ ( ( defined $cur_row_data->[2] ) && (join "\xFF", q{}, $cur_row_ids{2}, q{} ))
or
"\0$rows_pos\0"
);
'Multiple has_many on multiple branches with underdefined root, HRI-direct torture test',
);
+is_same_src (
+ ($schema->source ('Owners')->_mk_row_parser({
+ inflate_map => [qw( books.title books.owner )],
+ collapse => 1,
+ prune_null_branches => 1,
+ }))[0],
+ ' my $rows_pos = 0;
+ my ($result_pos, @collapse_idx, $cur_row_data, %cur_row_ids );
+
+ while ($cur_row_data = (
+ ( $rows_pos >= 0 and $_[0][$rows_pos++] )
+ or
+ ( $_[1] and $rows_pos = -1 and $_[1]->() )
+ ) ) {
+
+ @cur_row_ids{0,1} = @{$cur_row_data}[0,1];
+
+ $cur_row_ids{3} = (
+ ( ( defined $cur_row_data->[1] ) && (join "\xFF", q{}, $cur_row_ids{1}, q{} ))
+ or
+ "\0${rows_pos}\0"
+ );
+
+ $_[1] and $result_pos and ! $collapse_idx[0]{$cur_row_ids{3}} and (unshift @{$_[2]}, $cur_row_data) and last;
+
+ # empty data for the root node
+ $collapse_idx[0]{$cur_row_ids{3}} //= $_[0][$result_pos++] = [];
+
+ ( ! defined $cur_row_data->[0] ) ? $collapse_idx[0]{$cur_row_ids{3}}[1]{"books"} = [] : do {
+ push @{$collapse_idx[0]{$cur_row_ids{3}}[1]{books}},
+ $collapse_idx[1]{$cur_row_ids{0}} = [ { owner => $cur_row_data->[1], title => $cur_row_data->[0] } ]
+ unless $collapse_idx[1]{$cur_row_ids{0}}
+ };
+ }
+
+ $#{$_[0]} = $result_pos - 1; # truncate the passed in array to where we filled it with results
+ ',
+ 'Non-premultiplied implicit collapse with missing join columns',
+);
+
done_testing;
my $deparser;
projects / dbsrgits/DBIx-Class.git / commitdiff