$self->clauses_of(select => 'with', @clauses);
$self->clause_expanders(
'select.group_by', sub {
- $_[0]->_expand_maybe_list_expr($_[1], -ident)
+ $_[0]->_expand_maybe_list_expr($_[2], -ident)
},
- 'select.having', 'expand_expr',
+ 'select.having', sub { $_[0]->expand_expr($_[2]) },
);
foreach my $thing (qw(join from_list)) {
$self->expander($thing => "_expand_${thing}")
$self->clause_expanders(
'update.from' => '_expand_select_clause_from',
'delete.using' => sub {
- +(using => $_[0]->_expand_from_list(undef, $_[1]));
+ +(using => $_[0]->_expand_from_list(undef, $_[2]));
},
'insert.rowvalues' => sub {
- +(from => $_[0]->expand_expr({ -values => $_[1] }));
+ +(from => $_[0]->expand_expr({ -values => $_[2] }));
},
'insert.select' => sub {
- +(from => $_[0]->expand_expr({ -select => $_[1] }));
+ +(from => $_[0]->expand_expr({ -select => $_[2] }));
},
);
# set ops
- {
- my $orig = $self->expander('select');
- $self->expander(select => sub {
+ $self->wrap_expander(select => sub {
+ my $orig = shift;
+ sub {
my $self = shift;
my $exp = $self->$orig(@_);
return $exp unless my $setop = (my $sel = $exp->{-select})->{setop};
{ -select => \%inner };
}
return $exp;
- });
- }
+ }
+ });
my $expand_setop = sub {
my ($self, $setop, $args) = @_;
+{ "-${setop}" => {
$self->expanders(map +($_ => $expand_setop), qw(union intersect except));
$self->clause_renderer('select.setop' => sub {
- my ($self, $setop) = @_;
+ my ($self, undef, $setop) = @_;
$self->render_aqt($setop);
});
- foreach my $setop (qw(union intersect except)) {
- $self->renderer($setop => sub {
- my ($self, $args) = @_;
- $self->join_clauses(
- ' '.$self->format_keyword(join '_', $setop, ($args->{type}||())).' ',
- map [ $self->render_aqt($_) ], @{$args->{queries}}
- );
- });
+ $self->renderer($_ => sub {
+ my ($self, $setop, $args) = @_;
+ $self->join_query_parts(
+ ' '.$self->format_keyword(join '_', $setop, ($args->{type}||())).' ',
+ @{$args->{queries}}
+ );
+ }) for qw(union intersect except);
+
+ my $setop_expander = sub {
+ my ($self, $setop, $args) = @_;
+ my ($op, $type) = split '_', $setop;
+ +(setop => $self->expand_expr({
+ "-${op}" => {
+ ($type ? (type => $type) : ()),
+ queries => (ref($args) eq 'ARRAY' ? $args : [ $args ])
+ }
+ }));
+ };
+
+ $self->clause_expanders(
+ map +($_ => $setop_expander),
+ map "select.${_}",
+ map +($_, "${_}_all", "${_}_distinct"),
+ qw(union intersect except)
+ );
- $self->clause_expander("select.${setop}" => sub {
- +(setop => $_[0]->expand_expr({
- "-${setop}" => {
- queries => (ref($_[1]) eq 'ARRAY' ? $_[1] : [ $_[1] ]),
- }
- }));
- });
- $self->clause_expander("select.${setop}_all" => sub {
- +(setop => $_[0]->expand_expr({
- "-${setop}" => {
- type => 'all',
- queries => (ref($_[1]) eq 'ARRAY' ? $_[1] : [ $_[1] ]),
- }
- }));
- });
- }
$self->clause_expander('select.with' => my $with_expander = sub {
- my ($self, $with) = @_;
+ my ($self, $name, $with) = @_;
+ my (undef, $type) = split '_', $name;
if (ref($with) eq 'HASH') {
return +{
%$with,
$self->expand_expr($query)
];
}
- return +{ queries => \@exp };
- });
- $self->clause_expander('select.with_recursive' => sub {
- my ($self, $with) = @_;
- my $exp = $self->$with_expander($with);
- return +(with => +{
- %$exp,
- type => 'recursive'
- });
+ return +(with => { ($type ? (type => $type) : ()), queries => \@exp });
});
+ $self->clause_expander('select.with_recursive', $with_expander);
$self->clause_renderer('select.with' => sub {
- my ($self, $with) = @_;
- my $q_part = [ $self->join_clauses(', ',
+ my ($self, undef, $with) = @_;
+ my $q_part = [ $self->join_query_parts(', ',
map {
my ($alias, $query) = @$_;
- [ $self->join_clauses(' ',
+ [ $self->join_query_parts(' ',
[ $self->_render_alias($alias) ],
[ $self->format_keyword('as') ],
- [ $self->render_aqt($query) ],
+ $query,
) ]
} @{$with->{queries}}
) ];
- return $self->join_clauses('',
- [ $self->format_keyword(join '_', 'with', ($with->{type}||'')).' (' ],
+ return $self->join_query_parts(' ',
+ [ $self->format_keyword(join '_', 'with', ($with->{type}||'')) ],
$q_part,
- [ ')' ],
);
});
return $self;
}
-sub format_keyword { $_[0]->_sqlcase(join ' ', split '_', $_[1]) }
-
sub _expand_select_clause_from {
- my ($self, $from) = @_;
+ my ($self, undef, $from) = @_;
+(from => $self->_expand_from_list(undef, $from));
}
}
sub _render_from_list {
- my ($self, $list) = @_;
- return $self->join_clauses(', ', map [ $self->render_aqt($_) ], @$list);
+ my ($self, undef, $list) = @_;
+ return $self->join_query_parts(', ', @$list);
}
sub _render_join {
- my ($self, $args) = @_;
+ my ($self, undef, $args) = @_;
my @parts = (
[ $self->render_aqt($args->{from}) ],
[ $self->render_aqt($args->{using}) ],
) : ()),
);
- return $self->join_clauses(' ', @parts);
+ return $self->join_query_parts(' ', @parts);
}
sub _expand_op_as {
}
sub _render_as {
- my ($self, $args) = @_;
+ my ($self, undef, $args) = @_;
my ($thing, @alias) = @$args;
- return $self->join_clauses(
+ return $self->join_query_parts(
' ',
[ $self->render_aqt($thing) ],
[ $self->format_keyword('as') ],
my ($self, $args) = @_;
my ($as, @cols) = @$args;
return (@cols
- ? $self->join_clauses('',
- [ $self->render_aqt($as) ],
+ ? $self->join_query_parts('',
+ $as,
[ '(' ],
- [ $self->join_clauses(
+ [ $self->join_query_parts(
', ',
- map [ $self->render_aqt($_) ], @cols
+ @cols
) ],
[ ')' ],
)
}
sub _expand_update_clause_target {
- my ($self, $target) = @_;
+ my ($self, undef, $target) = @_;
+(target => $self->_expand_from_list(undef, $target));
}