$self->{clauses_of}{select} = [ qw(select from where order_by) ];
$self->{expand}{select} = sub { shift->_expand_statement(@_) };
$self->{render}{select} = sub { shift->_render_statement(select => @_) };
- $self->{expand_clause}{'select.select'} = sub {
- $_[0]->_expand_maybe_list_expr($_[1], -ident)
- };
- $self->{expand_clause}{'select.from'} = sub {
- $_[0]->_expand_maybe_list_expr($_[1], -ident)
- };
- $self->{expand_clause}{'select.where'} = 'expand_expr';
- $self->{expand_clause}{'select.order_by'} = '_expand_order_by';
+ $self->{expand_clause}{"select.$_"} = "_expand_select_clause_$_"
+ for @{$self->{clauses_of}{select}};
$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);
- };
+ $self->{expand_clause}{"update.$_"} = "_expand_update_clause_$_"
+ for @{$self->{clauses_of}{update}};
$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', '', 'values', 'returning' ];
+ $self->{expand_clause}{"delete.$_"} = "_expand_delete_clause_$_"
+ for @{$self->{clauses_of}{delete}};
+ $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.values'} = '_expand_insert_clause_values';
$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 $self;
}
+sub _expand_select_clause_select {
+ my ($self, $select) = @_;
+ +(select => $self->_expand_maybe_list_expr($select, -ident));
+}
+
+sub _expand_select_clause_from {
+ my ($self, $from) = @_;
+ +(from => $self->_expand_maybe_list_expr($from, -ident));
+}
+
+sub _expand_select_clause_where {
+ my ($self, $where) = @_;
+ +(where => $self->expand_expr($where));
+}
+
+sub _expand_select_clause_order_by {
+ my ($self, $order_by) = @_;
+ +(order_by => $self->_expand_order_by($order_by));
+}
+
+sub _expand_update_clause_update {
+ my ($self, $target) = @_;
+ +(update => $self->expand_expr($target, -ident));
+}
+
+sub _expand_update_clause_set {
+ +(set => shift->_expand_update_set_values(@_));
+}
+
+sub _expand_update_clause_where {
+ +(where => shift->expand_expr(@_));
+}
+
+sub _expand_update_clause_returning {
+ +(returning => shift->_expand_maybe_list_expr(@_, -ident));
+}
+
+sub _expand_delete_clause_delete_from {
+ +(delete_from => shift->_expand_maybe_list_expr(@_, -ident));
+}
+
+sub _expand_delete_clause_where { +(where => shift->expand_expr(@_)); }
+
+sub _expand_delete_clause_returning {
+ +(returning => shift->_expand_maybe_list_expr(@_, -ident));
+}
+
sub _expand_statement {
my ($self, $type, $args) = @_;
my $ec = $self->{expand_clause};
foreach my $clause (@{$self->{clauses_of}{$type}}) {
next unless my $clause_expr = $args->{$clause};
local $self->{convert_where} = $self->{convert} if $clause eq 'where';
- my ($sql, @bind) = $self->render_aqt($clause_expr);
+ 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 $self->_join_parts(' ', @parts);
}
sub insert {
my ($self, $table, $data, $options) = @_;
- my %clauses = (insert_into => $table, %{$options||{}});
- my ($f_aqt, $v_aqt) = $self->_expand_insert_values($data);
- $clauses{''} = $f_aqt if $f_aqt;
- $clauses{values} = $v_aqt;
+ my %clauses = (insert_into => $table, values => $data, %{$options||{}});
my ($sql, @bind) = $self->render_expr({ -insert => \%clauses });
return wantarray ? ($sql, @bind) : $sql;
}
+sub _expand_insert_clause_values {
+ my ($self, $data) = @_;
+ my ($f_aqt, $v_aqt) = $self->_expand_insert_values($data);
+ return (values => $v_aqt, ($f_aqt ? (fields => $f_aqt) : ()));
+}
+
1;