X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FAbstract.pm;h=934459b2ac2469ac9b0cce06f121695a179dadba;hb=4d8650614d3866beb43f746b8492dab446400be5;hp=3ecce64dd049512d89a95a69004e38dd830cafe4;hpb=7256c84486eccdf349434600eff804ed9479a38e;p=dbsrgits%2FSQL-Abstract.git

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index 3ecce64..934459b 100644
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -233,7 +233,7 @@ sub new {
     (map +($_ => '_render_unop_postfix'),
       'is_null', 'is_not_null', 'asc', 'desc',
     ),
-    (not => '_render_op_not'),
+    (not => '_render_unop_paren'),
     (map +($_ => '_render_op_andor'), qw(and or)),
     ',' => '_render_op_multop',
   };
@@ -264,9 +264,37 @@ sub insert {
   my $data    = shift || return;
   my $options = shift;
 
-  my $method       = $self->_METHOD_FOR_refkind("_insert", $data);
-  my ($sql, @bind) = $self->$method($data);
-  $sql = join " ", $self->_sqlcase('insert into'), $table, $sql;
+  my ($sql, @bind) = do {
+    if (is_literal_value($data)) {
+      $self->render_expr($data);
+    } else {
+      my ($fields, $values) = (
+        ref($data) eq 'HASH' ?
+          ([ sort keys %$data ], [ @{$data}{sort keys %$data} ])
+          : (undef, $data)
+      );
+
+      # no names (arrayref) means can't generate bindtype
+      !($fields) && $self->{bindtype} eq 'columns'
+        && belch "can't do 'columns' bindtype when called with arrayref";
+
+      my $fields_sql = ($fields
+        ? ' '.($self->render_expr({ -row => $fields }, '-ident'))[0]
+        : ''
+      );
+      my ($values_sql, @bind) = $self->render_aqt(
+        { -row => [
+            map {
+              local our $Cur_Col_Meta = $fields->[$_];
+              $self->_expand_insert_value($values->[$_])
+            } 0..$#$values
+        ] }
+      );
+      ($fields_sql.' '.$self->_sqlcase('values').' '.$values_sql, @bind);
+    }
+  };
+
+  $sql = (join " ", $self->_sqlcase('insert into'), $table).$sql;
 
   if ($options->{returning}) {
     my ($s, @b) = $self->_insert_returning($options);
@@ -294,80 +322,14 @@ sub _returning {
     : ($self->_sqlcase(' returning ').$sql, @bind);
 }
 
-sub _insert_HASHREF { # explicit list of fields and then values
-  my ($self, $data) = @_;
-
-  my @fields = sort keys %$data;
-
-  my ($sql, @bind) = $self->_insert_values($data);
-
-  # assemble SQL
-  $_ = $self->_quote($_) foreach @fields;
-  $sql = "( ".join(", ", @fields).") ".$sql;
-
-  return ($sql, @bind);
-}
-
-sub _insert_ARRAYREF { # just generate values(?,?) part (no list of fields)
-  my ($self, $data) = @_;
-
-  # no names (arrayref) so can't generate bindtype
-  $self->{bindtype} ne 'columns'
-    or belch "can't do 'columns' bindtype when called with arrayref";
-
-  my (@values, @all_bind);
-  foreach my $value (@$data) {
-    my ($values, @bind) = $self->_insert_value(undef, $value);
-    push @values, $values;
-    push @all_bind, @bind;
-  }
-  my $sql = $self->_sqlcase('values')." ( ".join(", ", @values)." )";
-  return ($sql, @all_bind);
-}
-
-sub _insert_ARRAYREFREF { # literal SQL with bind
-  my ($self, $data) = @_;
-
-  my ($sql, @bind) = @${$data};
-  $self->_assert_bindval_matches_bindtype(@bind);
-
-  return ($sql, @bind);
-}
-
-
-sub _insert_SCALARREF { # literal SQL without bind
-  my ($self, $data) = @_;
-
-  return ($$data);
-}
-
-sub _insert_values {
-  my ($self, $data) = @_;
-
-  my (@values, @all_bind);
-  foreach my $column (sort keys %$data) {
-    my ($values, @bind) = $self->_insert_value($column, $data->{$column});
-    push @values, $values;
-    push @all_bind, @bind;
-  }
-  my $sql = $self->_sqlcase('values')." ( ".join(", ", @values)." )";
-  return ($sql, @all_bind);
-}
-
-sub _insert_value {
-  my ($self, $column, $v) = @_;
-
-  return $self->render_aqt(
-    $self->_expand_insert_value($column, $v)
-  );
-}
-
 sub _expand_insert_value {
-  my ($self, $column, $v) = @_;
+  my ($self, $v) = @_;
+
+  my $k = our $Cur_Col_Meta;
 
   if (ref($v) eq 'ARRAY') {
     if ($self->{array_datatypes}) {
-      return +{ -bind => [ $column, $v ] };
+      return +{ -bind => [ $k, $v ] };
     }
     my ($sql, @bind) = @$v;
     $self->_assert_bindval_matches_bindtype(@bind);
@@ -376,13 +338,12 @@ sub _expand_insert_value {
   if (ref($v) eq 'HASH') {
     if (grep !/^-/, keys %$v) {
       belch "HASH ref as bind value in insert is not supported";
-      return +{ -bind => [ $column, $v ] };
+      return +{ -bind => [ $k, $v ] };
     }
   }
   if (!defined($v)) {
-    return +{ -bind => [ $column, undef ] };
+    return +{ -bind => [ $k, undef ] };
   }
-  local our $Cur_Col_Meta = $column;
   return $self->expand_expr($v);
 }
 
@@ -562,7 +523,7 @@ sub render_aqt {
   my ($self, $aqt) = @_;
   my ($k, $v, @rest) = %$aqt;
   die "No" if @rest;
-  die "Also no" unless $k =~ s/^-//;
+  die "Not a node type: $k" unless $k =~ s/^-//;
   if (my $meth = $self->{render}{$k}) {
     return $self->$meth($v);
   }
@@ -570,8 +531,8 @@ sub render_aqt {
 }
 
 sub render_expr {
-  my ($self, $expr) = @_;
-  $self->render_aqt($self->expand_expr($expr));
+  my ($self, $expr, $default_scalar_to) = @_;
+  $self->render_aqt($self->expand_expr($expr, $default_scalar_to));
 }
 
 sub _normalize_op {
@@ -587,7 +548,7 @@ sub _expand_expr {
   if (ref($expr) eq 'HASH') {
     return undef unless my $kc = keys %$expr;
     if ($kc > 1) {
-      return $self->_expand_op_andor(-and => $expr);
+      return $self->_expand_op_andor(and => $expr);
     }
     my ($key, $value) = %$expr;
     if ($key =~ /^-/ and $key =~ s/ [_\s]? \d+ $//x ) {
@@ -597,8 +558,7 @@ sub _expand_expr {
     return $self->_expand_hashpair($key, $value);
   }
   if (ref($expr) eq 'ARRAY') {
-    my $logic = '-'.lc($self->{logic});
-    return $self->_expand_op_andor($logic, $expr);
+    return $self->_expand_op_andor(lc($self->{logic}), $expr);
   }
   if (my $literal = is_literal_value($expr)) {
     return +{ -literal => $literal };
@@ -632,7 +592,7 @@ sub _expand_hashpair_ident {
   # hash with multiple or no elements is andor
 
   if (ref($v) eq 'HASH' and keys %$v != 1) {
-    return $self->_expand_op_andor(-and => $v, $k);
+    return $self->_expand_op_andor(and => $v, $k);
   }
 
   # undef needs to be re-sent with cmp to achieve IS/IS NOT NULL
@@ -660,8 +620,8 @@ sub _expand_hashpair_ident {
     $self->_debug("ARRAY($k) means distribute over elements");
     my $logic = lc(
       $v->[0] =~ /^-(and|or)$/i
-        ? shift(@{$v = [ @$v ]})
-        : '-'.lc($self->{logic} || 'OR')
+        ? (shift(@{$v = [ @$v ]}), $1)
+        : lc($self->{logic} || 'OR')
     );
     return $self->_expand_op_andor(
       $logic => $v, $k
@@ -706,7 +666,7 @@ sub _expand_hashpair_op {
   my $op = $self->_normalize_op($k);
 
   if (my $exp = $self->{expand}{$op}) {
-    return $self->$exp($k, $v);
+    return $self->$exp($op, $v);
   }
 
   # Ops prefixed with -not_ get converted
@@ -814,13 +774,13 @@ sub _expand_hashtriple {
   if (ref($vv) eq 'ARRAY') {
     my @raw = @$vv;
     my $logic = (defined($raw[0]) and $raw[0] =~ /^-(and|or)$/i)
-      ? shift @raw : '-or';
+      ? (shift(@raw), $1) : 'or';
     my @values = map +{ $vk => $_ }, @raw;
     if (
       $op =~ $self->{inequality_op}
       or $op =~ $self->{not_like_op}
     ) {
-      if (lc($logic) eq '-or' and @values > 1) {
+      if (lc($logic) eq 'or' and @values > 1) {
         belch "A multi-element arrayref as an argument to the inequality op '${\uc(join ' ', split '_', $op)}' "
             . 'is technically equivalent to an always-true 1=1 (you probably wanted '
             . "to say ...{ \$inequality_op => [ -and => \@values ] }... instead)"
@@ -878,12 +838,12 @@ sub _dwim_op_to_is {
 }
 
 sub _expand_ident {
-  my ($self, $op, $body, $k) = @_;
+  my ($self, undef, $body, $k) = @_;
   return $self->_expand_hashpair_cmp(
     $k, { -ident => $body }
   ) if defined($k);
   unless (defined($body) or (ref($body) and ref($body) eq 'ARRAY')) {
-    puke "$op requires a single plain scalar argument (a quotable identifier) or an arrayref of identifier parts";
+    puke "-ident requires a single plain scalar argument (a quotable identifier) or an arrayref of identifier parts";
   }
   my @parts = map split(/\Q${\($self->{name_sep}||'.')}\E/, $_),
                 ref($body) ? @$body : $body;
@@ -906,14 +866,17 @@ sub _expand_not {
 }
 
 sub _expand_row {
-  my ($self, $node, $args) = @_;
-  +{ $node => [ map $self->expand_expr($_), @$args ] };
+  my ($self, undef, $args) = @_;
+  +{ -row => [ map $self->expand_expr($_), @$args ] };
 }
 
 sub _expand_op {
-  my ($self, $node, $args) = @_;
+  my ($self, undef, $args) = @_;
   my ($op, @opargs) = @$args;
-  +{ $node => [ $op, map $self->expand_expr($_), @opargs ] };
+  if (my $exp = $self->{expand_op}{$op}) {
+    return $self->$exp($op, \@opargs);
+  }
+  +{ -op => [ $op, map $self->expand_expr($_), @opargs ] };
 }
 
 sub _expand_bool {
@@ -926,7 +889,7 @@ sub _expand_bool {
 }
 
 sub _expand_op_andor {
-  my ($self, $logic, $v, $k) = @_;
+  my ($self, $logop, $v, $k) = @_;
   if (defined $k) {
     $v = [ map +{ $k, $_ },
              (ref($v) eq 'HASH')
@@ -934,7 +897,6 @@ sub _expand_op_andor {
               : @$v,
          ];
   }
-  my ($logop) = $logic =~ /^-?(.*)$/;
   if (ref($v) eq 'HASH') {
     return undef unless keys %$v;
     return +{ -op => [
@@ -981,7 +943,6 @@ sub _expand_op_andor {
 
 sub _expand_op_is {
   my ($self, $op, $vv, $k) = @_;
-  $op =~ s/^-//;
   ($k, $vv) = @$vv unless defined $k;
   puke "$op can only take undef as argument"
     if defined($vv)
@@ -995,7 +956,6 @@ sub _expand_op_is {
 
 sub _expand_between {
   my ($self, $op, $vv, $k) = @_;
-  $op =~ s/^-//;
   $k = shift @{$vv = [ @$vv ]} unless defined $k;
   my @rhs = map $self->_expand_expr($_),
               ref($vv) eq 'ARRAY' ? @$vv : $vv;
@@ -1014,15 +974,14 @@ sub _expand_between {
 }
 
 sub _expand_in {
-  my ($self, $raw, $vv, $k) = @_;
+  my ($self, $op, $vv, $k) = @_;
   $k = shift @{$vv = [ @$vv ]} unless defined $k;
-  my $op = $self->_normalize_op($raw);
   if (my $literal = is_literal_value($vv)) {
     my ($sql, @bind) = @$literal;
     my $opened_sql = $self->_open_outer_paren($sql);
     return +{ -op => [
       $op, $self->expand_expr($k, -ident),
-      [ { -literal => [ $opened_sql, @bind ] } ]
+      { -literal => [ $opened_sql, @bind ] }
     ] };
   }
   my $undef_err =
@@ -1041,12 +1000,12 @@ sub _expand_in {
   return +{ -op => [
     $op,
     $self->expand_expr($k, -ident),
-    \@rhs
+    @rhs
   ] };
 }
 
 sub _expand_nest {
-  my ($self, $op, $v) = @_;
+  my ($self, undef, $v) = @_;
   # DBIx::Class requires a nest warning to be emitted once but the private
   # method it overrode to do so no longer exists
   if ($self->{warn_once_on_nest}) {
@@ -1062,8 +1021,8 @@ sub _expand_nest {
 }
 
 sub _expand_bind {
-  my ($self, $op, $bind) = @_;
-  return { $op => $bind };
+  my ($self, undef, $bind) = @_;
+  return { -bind => $bind };
 }
 
 sub _recurse_where {
@@ -1135,18 +1094,20 @@ sub _render_op {
 
     my $op = join(' ', split '_', $op);
 
-    my $us = List::Util::first { $op =~ $_->{regex} } @{$self->{special_ops}};
-    if ($us and @args > 1) {
+    my $ss = List::Util::first { $op =~ $_->{regex} } @{$self->{special_ops}};
+    if ($ss and @args > 1) {
       puke "Special op '${op}' requires first value to be identifier"
         unless my ($ident) = map $_->{-ident}, grep ref($_) eq 'HASH', $args[0];
       my $k = join(($self->{name_sep}||'.'), @$ident);
       local our $Expand_Depth = 1;
-      return $self->${\($us->{handler})}($k, $op, $args[1]);
+      return $self->${\($ss->{handler})}($k, $op, $args[1]);
     }
     if (my $us = List::Util::first { $op =~ $_->{regex} } @{$self->{unary_ops}}) {
       return $self->${\($us->{handler})}($op, $args[0]);
     }
-
+    if ($ss) {
+      return $self->_render_unop_paren($op, \@args);
+    }
   }
   if (@args == 1) {
     return $self->_render_unop_prefix($op, \@args);
@@ -1184,13 +1145,13 @@ sub _render_op_between {
 
 sub _render_op_in {
   my ($self, $op, $args) = @_;
-  my ($lhs, $rhs) = @$args;
+  my ($lhs, @rhs) = @$args;
   my @in_bind;
   my @in_sql = map {
     my ($sql, @bind) = $self->render_aqt($_);
     push @in_bind, @bind;
     $sql;
-  } @$rhs;
+  } @rhs;
   my ($lhsql, @lbind) = $self->render_aqt($lhs);
   return (
     $lhsql.' '.$self->_sqlcase(join ' ', split '_', $op).' ( '
@@ -1205,7 +1166,7 @@ sub _render_op_andor {
   my @parts = grep length($_->[0]), map [ $self->render_aqt($_) ], @$args;
   return '' unless @parts;
   return @{$parts[0]} if @parts == 1;
-  my ($sql, @bind) = $self->_render_op_multop($op, $args);
+  my ($sql, @bind) = $self->_join_parts(' '.$self->_sqlcase($op).' ', @parts);
   return '( '.$sql.' )', @bind;
 }
 
@@ -1214,16 +1175,22 @@ sub _render_op_multop {
   my @parts = grep length($_->[0]), map [ $self->render_aqt($_) ], @$args;
   return '' unless @parts;
   return @{$parts[0]} if @parts == 1;
-  my ($final_sql) = join(
-    ($op eq ',' ? '' : ' ').$self->_sqlcase(join ' ', split '_', $op).' ',
-    map $_->[0], @parts
-  );
+  my $join = ($op eq ','
+                ? ', '
+                :  ' '.$self->_sqlcase(join ' ', split '_', $op).' '
+             );
+  return $self->_join_parts($join, @parts);
+}
+
+sub _join_parts {
+  my ($self, $join, @parts) = @_;
   return (
-    $final_sql,
+    join($join, map $_->[0], @parts),
     map @{$_}[1..$#$_], @parts
   );
 }
-sub _render_op_not {
+
+sub _render_unop_paren {
   my ($self, $op, $v) = @_;
   my ($sql, @bind) = $self->_render_unop_prefix($op, $v);
   return "(${sql})", @bind;