use mro 'c3';
use base 'SQL::Abstract';
+BEGIN { *puke = \&SQL::Abstract::puke }
+
sub new {
shift->next::method(@_)->register_defaults
}
};
$self->{expand_clause}{'select.where'} = 'expand_expr';
$self->{expand_clause}{'select.order_by'} = '_expand_order_by';
+ $self->{clauses_of}{update} = [ qw(update set where returning) ];
+ $self->{expand}{update} = sub { shift->_expand_statement(@_) };
+ $self->{render}{update} = sub { shift->_render_statement(update => @_) };
+ $self->{expand_clause}{'update.update'} = sub {
+ $_[0]->expand_expr($_[1], -ident)
+ };
+ $self->{expand_clause}{'update.set'} = '_expand_update_set_values';
+ $self->{expand_clause}{'update.where'} = 'expand_expr';
+ $self->{expand_clause}{'update.returning'} = sub {
+ shift->_expand_maybe_list_expr(@_, -ident);
+ };
+ $self->{clauses_of}{delete} = [ qw(delete_from where returning) ];
+ $self->{expand}{delete} = sub { shift->_expand_statement(@_) };
+ $self->{render}{delete} = sub { shift->_render_statement(delete => @_) };
+ $self->{expand_clause}{'delete.delete_from'} = sub {
+ $_[0]->_expand_maybe_list_expr($_[1], -ident)
+ };
+ $self->{expand_clause}{'delete.where'} = 'expand_expr';
+ $self->{expand_clause}{'delete.returning'} = sub {
+ shift->_expand_maybe_list_expr(@_, -ident);
+ };
+ $self->{clauses_of}{insert} = [
+ 'insert_into', 'fields', 'values', 'returning'
+ ];
+ $self->{expand}{insert} = sub { shift->_expand_statement(@_) };
+ $self->{render}{insert} = sub { shift->_render_statement(insert => @_) };
+ $self->{expand_clause}{'insert.insert_into'} = sub {
+ shift->expand_expr(@_, -ident);
+ };
+ $self->{expand_clause}{'insert.returning'} = sub {
+ shift->_expand_maybe_list_expr(@_, -ident);
+ };
+ $self->{render_clause}{'insert.fields'} = sub {
+ return $_[0]->render_aqt({ -row => [ $_[1] ] });
+ };
return $self;
}
my ($self, $type, $args) = @_;
my $ec = $self->{expand_clause};
return +{ "-${type}" => +{
- map +($_ => (do {
+ map {
my $val = $args->{$_};
if (defined($val) and my $exp = $ec->{"${type}.$_"}) {
- $self->$exp($val);
+ if ((my (@exp) = $self->$exp($val)) == 1) {
+ ($_ => $exp[0])
+ } else {
+ @exp
+ }
} else {
- $val;
+ ($_ => $val)
}
- })), sort keys %$args
+ } sort keys %$args
} };
}
my @parts;
foreach my $clause (@{$self->{clauses_of}{$type}}) {
next unless my $clause_expr = $args->{$clause};
- my ($sql, @bind) = $self->render_expr($clause_expr);
+ local $self->{convert_where} = $self->{convert} if $clause eq 'where';
+ my ($sql) = my @part = do {
+ if (my $rdr = $self->{render_clause}{"${type}.${clause}"}) {
+ $self->$rdr($clause_expr);
+ } else {
+ my ($clause_sql, @bind) = $self->render_aqt($clause_expr);
+ my $sql = join ' ',
+ $self->_sqlcase(join ' ', split '_', $clause),
+ $clause_sql;
+ ($sql, @bind);
+ }
+ };
next unless defined($sql) and length($sql);
- push @parts, [
- $self->_sqlcase(join ' ', split '_', $clause).' '.$sql,
- @bind
- ];
+ push @parts, \@part;
}
return $self->_join_parts(' ', @parts);
}
+sub select {
+ my ($self, @args) = @_;
+ my %clauses;
+ @clauses{qw(from select where order_by)} = @args;
+
+ # This oddity is to literalify since historically SQLA doesn't quote
+ # a single identifier argument, so we convert it into a literal
+
+ $clauses{select} = { -literal => [ $clauses{select}||'*' ] }
+ unless ref($clauses{select});
+
+ my ($sql, @bind) = $self->render_expr({ -select => \%clauses });
+ return wantarray ? ($sql, @bind) : $sql;
+}
+
+sub update {
+ my ($self, $table, $set, $where, $options) = @_;
+ my %clauses;
+ @clauses{qw(update set where)} = ($table, $set, $where);
+ puke "Unsupported data type specified to \$sql->update"
+ unless ref($clauses{set}) eq 'HASH';
+ @clauses{keys %$options} = values %$options;
+ my ($sql, @bind) = $self->render_expr({ -update => \%clauses });
+ return wantarray ? ($sql, @bind) : $sql;
+}
+
+sub delete {
+ my ($self, $table, $where, $options) = @_;
+ my %clauses = (delete_from => $table, where => $where, %{$options||{}});
+ my ($sql, @bind) = $self->render_expr({ -delete => \%clauses });
+ return wantarray ? ($sql, @bind) : $sql;
+}
+
+sub insert {
+ my ($self, $table, $data, $options) = @_;
+ my %clauses = (insert_into => $table, %{$options||{}});
+ my ($f_aqt, $v_aqt) = $self->_expand_insert_values($data);
+ $clauses{fields} = $f_aqt if $f_aqt;
+ $clauses{values} = $v_aqt;
+ my ($sql, @bind) = $self->render_expr({ -insert => \%clauses });
+ return wantarray ? ($sql, @bind) : $sql;
+}
+
1;