use Carp ();
use List::Util ();
use Scalar::Util ();
-use Data::Query::Constants qw(
- DQ_IDENTIFIER DQ_OPERATOR DQ_VALUE DQ_LITERAL DQ_JOIN DQ_SELECT DQ_ORDER
- DQ_WHERE DQ_DELETE DQ_UPDATE DQ_INSERT
-);
-use Data::Query::ExprHelpers qw(perl_scalar_value);
+use Data::Query::ExprHelpers;
use Moo;
use namespace::clean;
);
has lower_case => (
- is => 'ro'
+ is => 'ro'
);
has default_logic => (
my ($self, $literal) = @_;
my @bind;
($literal, @bind) = @$literal if ref($literal) eq 'ARRAY';
- +{
- type => DQ_LITERAL,
- subtype => 'SQL',
- literal => $literal,
- (@bind ? (values => [ $self->_bind_to_dq(@bind) ]) : ()),
- };
+ Literal('SQL', $literal, [ $self->_bind_to_dq(@bind) ]);
}
sub _bind_to_dq {
my ($self, $ident) = @_;
$self->_assert_pass_injection_guard($ident)
unless $self->renderer_will_quote;
- $self->_maybe_convert_dq({
- type => DQ_IDENTIFIER,
- elements => [ split /\Q${\$self->identifier_sep}/, $ident ],
- });
+ $self->_maybe_convert_dq(
+ Identifier(do {
+ if (my $sep = $self->identifier_sep) {
+ split /\Q$sep/, $ident
+ } else {
+ $ident
+ }
+ })
+ );
}
sub _maybe_convert_dq {
my ($self, $dq) = @_;
if (my $c = $self->{where_convert}) {
- +{
- type => DQ_OPERATOR,
- operator => { 'SQL.Naive' => 'apply' },
- args => [
- { type => DQ_IDENTIFIER, elements => [ $self->_sqlcase($c) ] },
- $dq
- ]
- };
+ Operator({ 'SQL.Naive' => 'apply' }, [
+ Identifier($self->_sqlcase($c)),
+ $dq
+ ]
+ );
} else {
$dq;
}
sub _op_to_dq {
my ($self, $op, @args) = @_;
$self->_assert_pass_injection_guard($op);
- +{
- type => DQ_OPERATOR,
- operator => { 'SQL.Naive' => $op },
- args => \@args
- };
+ Operator({ 'SQL.Naive' => $op }, \@args);
}
sub _assert_pass_injection_guard {
(ref($r_source) eq 'ARRAY' ? @$r_source : $r_source),
];
}
- +{
- type => DQ_INSERT,
- target => $self->_table_to_dq($table),
- (@names ? (names => [ map $self->_ident_to_dq($_), @names ]) : ()),
- values => [ \@values ],
- ($returning ? (returning => $returning) : ()),
- };
+ Insert(
+ (@names ? ([ map $self->_ident_to_dq($_), @names ]) : undef),
+ [ \@values ],
+ $self->_table_to_dq($table),
+ ($returning ? ($returning) : undef),
+ );
}
sub _mutation_rhs_to_dq {
push @set, [ $self->_ident_to_dq($k), $self->_mutation_rhs_to_dq($v) ];
}
- return +{
- type => DQ_UPDATE,
- target => $self->_table_to_dq($table),
- set => \@set,
- where => $self->_where_to_dq($where),
- };
+ Update(
+ \@set,
+ $self->_where_to_dq($where),
+ $self->_table_to_dq($table),
+ );
}
sub _source_to_dq {
my $source_dq = $self->_table_to_dq($table);
if (my $where_dq = $self->_where_to_dq($where)) {
- $source_dq = {
- type => DQ_WHERE,
- from => $source_dq,
- where => $where_dq,
- };
+ $source_dq = Where($where_dq, $source_dq);
}
$source_dq;
my $ordered_dq = do {
if ($order) {
- $self->_order_by_to_dq($order, undef, $source_dq);
+ $self->_order_by_to_dq($order, undef, undef, $source_dq);
} else {
$source_dq
}
$fields ||= '*';
- return +{
- type => DQ_SELECT,
- select => $self->_select_field_list_to_dq($fields),
- from => $from_dq,
- };
+ Select(
+ $self->_select_field_list_to_dq($fields),
+ $from_dq,
+ );
}
sub _select_field_list_to_dq {
sub _delete_to_dq {
my ($self, $table, $where) = @_;
- +{
- type => DQ_DELETE,
- target => $self->_table_to_dq($table),
- where => $self->_where_to_dq($where),
- }
+ Delete(
+ $self->_where_to_dq($where),
+ $self->_table_to_dq($table),
+ );
}
sub _where_to_dq {
foreach my $arg (@args) {
if (
- $arg->{type} eq DQ_OPERATOR and $arg->{operator}{'SQL.Naive'} eq 'apply'
- and @{$arg->{args}} == 2 and $arg->{args}[1]{type} ne DQ_OPERATOR
+ is_Operator($arg) and $arg->{operator}{'SQL.Naive'} eq 'apply'
+ and @{$arg->{args}} == 2 and !is_Operator($arg->{args}[1])
+
) {
$arg->{operator}{'SQL.Naive'} = (shift @{$arg->{args}})->{elements}->[0];
}
map +{ $k => $_ }, @$v
], $logic);
} elsif (ref($v) eq 'SCALAR' or (ref($v) eq 'REF' and ref($$v) eq 'ARRAY')) {
- return +{
- type => DQ_LITERAL,
- subtype => 'SQL',
- parts => [ $self->_ident_to_dq($k), $self->_literal_to_dq($$v) ]
- };
+ return Literal('SQL', [ $self->_ident_to_dq($k), $self->_literal_to_dq($$v) ]);
}
my ($op, $rhs) = do {
if (ref($v) eq 'HASH') {
}
sub _order_by_to_dq {
- my ($self, $arg, $dir, $from) = @_;
+ my ($self, $arg, $dir, $nulls, $from) = @_;
return unless $arg;
- my $dq = {
- type => DQ_ORDER,
- (defined($dir) ? (reverse => !!($dir =~ /desc/i)) : ()),
- ($from ? (from => $from) : ()),
- };
+ my $dq = Order(
+ undef,
+ (defined($dir) ? (!!($dir =~ /desc/i)) : undef),
+ (defined($nulls) ? ($nulls =~ /first/i ? 1 : -1) : undef),
+ ($from ? ($from) : undef),
+ );
if (!ref($arg)) {
$dq->{by} = $self->_ident_to_dq($arg);
my ($outer, $inner);
foreach my $member (@$arg) {
local $Order_Inner;
- my $next = $self->_order_by_to_dq($member, $dir, $from);
+ my $next = $self->_order_by_to_dq($member, $dir, $nulls, $from);
$outer ||= $next;
$inner->{from} = $next if $inner;
$inner = $Order_Inner || $next;
$dq->{by} = $self->_literal_to_dq($$arg);
}
} elsif (ref($arg) eq 'HASH') {
- my ($key, $val, @rest) = %$arg;
+ return () unless %$arg;
+
+ my ($direction, $val);
+ foreach my $key (keys %$arg) {
+ if ( $key =~ /^-(desc|asc)/i ) {
+ die "hash passed to _order_by_to_dq must have exactly one of -desc or -asc"
+ if defined $direction;
+ $direction = $1;
+ $val = $arg->{$key};
+ } elsif ($key =~ /^-nulls$/i) {
+ $nulls = $arg->{$key};
+ die "invalid value for -nulls" unless $nulls =~ /^(?:first|last)$/i;
+ } else {
+ die "invalid key in hash passed to _order_by_to_dq";
+ }
+ }
- return unless $key;
+ die "hash passed to _order_by_to_dq must have exactly one of -desc or -asc"
+ unless defined $direction;
- if (@rest or not $key =~ /^-(desc|asc)/i) {
- die "hash passed to _order_by must have exactly one key (-desc or -asc)";
- }
- my $dir = uc $1;
- return $self->_order_by_to_dq($val, $dir, $from);
+ return $self->_order_by_to_dq($val, $direction, $nulls, $from);
} else {
die "Can't handle $arg in _order_by_to_dq";
}
die "Empty FROM list" unless my @f = @$from;
my $dq = $self->_table_to_dq(shift @f);
while (my $x = shift @f) {
- $dq = {
- type => DQ_JOIN,
- left => $dq,
- right => $self->_table_to_dq($x),
- };
+ $dq = Join(
+ $dq,
+ $self->_table_to_dq($x),
+ );
}
$dq;
} elsif (ref($from) eq 'SCALAR' or (ref($from) eq 'REF')) {