X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FAbstract.pm;h=d10aeae4dfb4402438e56d232ea826220c477896;hb=dbc10abd32c48b023b9ce3d2a0c458c27f48d503;hp=c065f2c02c3547bade04906421e4ce47f53c9a36;hpb=0cdafc4b91de4c1e155784af239c13327aa7faa8;p=scpubgit%2FQ-Branch.git

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index c065f2c..d10aeae 100644
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -38,8 +38,8 @@ our $AUTOLOAD;
 # See section WHERE: BUILTIN SPECIAL OPERATORS below for implementation
 my @BUILTIN_SPECIAL_OPS = (
   {regex => qr/^ (?: not \s )? between $/ix, handler => sub { die "NOPE" }},
-  {regex => qr/^ (?: not \s )? in      $/ix, handler => sub { die "NOPE" }},
   {regex => qr/^ is (?: \s+ not )?     $/ix, handler => sub { die "NOPE" }},
+  {regex => qr/^ (?: not \s )? in      $/ix, handler => sub { die "NOPE" }},
 );
 
 #======================================================================
@@ -156,8 +156,8 @@ sub new {
   $opt{equality_op}   = qr/^( \Q$opt{cmp}\E | \= )$/ix;
   $opt{inequality_op} = qr/^( != | <> )$/ix;
 
-  $opt{like_op}       = qr/^ (is\s+)? r?like $/xi;
-  $opt{not_like_op}   = qr/^ (is\s+)? not \s+ r?like $/xi;
+  $opt{like_op}       = qr/^ (is_)?r?like $/xi;
+  $opt{not_like_op}   = qr/^ (is_)?not_r?like $/xi;
 
   # SQL booleans
   $opt{sqltrue}  ||= '1=1';
@@ -171,7 +171,7 @@ sub new {
 
   if ($class->isa('DBIx::Class::SQLMaker')) {
     push @{$opt{special_ops}}, our $DBIC_Compat_Op ||= {
-      regex => qr/^(?:ident|value)$/i, handler => sub { die "NOPE" }
+      regex => qr/^(?:ident|value|(?:not\s)?in)$/i, handler => sub { die "NOPE" }
     };
     $opt{is_dbic_sqlmaker} = 1;
   }
@@ -202,16 +202,18 @@ sub new {
     -or => '_expand_op_andor',
     -nest => '_expand_nest',
     -bind => sub { shift; +{ @_ } },
+    -in => '_expand_in',
+    -not_in => '_expand_in',
   };
 
   $opt{expand_op} = {
     'between' => '_expand_between',
-    'not between' => '_expand_between',
+    'not_between' => '_expand_between',
     'in' => '_expand_in',
-    'not in' => '_expand_in',
+    'not_in' => '_expand_in',
     'nest' => '_expand_nest',
     (map +($_ => '_expand_op_andor'), ('and', 'or')),
-    (map +($_ => '_expand_op_is'), ('is', 'is not')),
+    (map +($_ => '_expand_op_is'), ('is', 'is_not')),
   };
 
   # placeholder for _expand_unop system
@@ -235,13 +237,14 @@ sub new {
   };
 
   $opt{render_op} = {
-    (map +($_ => '_render_op_between'), 'between', 'not between'),
-    (map +($_ => '_render_op_in'), 'in', 'not in'),
+    (map +($_ => '_render_op_between'), 'between', 'not_between'),
+    (map +($_ => '_render_op_in'), 'in', 'not_in'),
     (map +($_ => '_render_unop_postfix'),
-      'is null', 'is not null', 'asc', 'desc',
+      'is_null', 'is_not_null', 'asc', 'desc',
     ),
     (not => '_render_op_not'),
     (map +($_ => '_render_op_andor'), qw(and or)),
+    ',' => '_render_op_multop',
   };
 
   return bless \%opt, $class;
@@ -293,7 +296,7 @@ sub _returning {
   my $f = $options->{returning};
 
   my ($sql, @bind) = $self->render_aqt(
-    $self->_expand_maybe_list_expr($f, undef, -ident)
+    $self->_expand_maybe_list_expr($f, -ident)
   );
   return wantarray
     ? $self->_sqlcase(' returning ') . $sql
@@ -495,7 +498,7 @@ sub _select_fields {
   my ($self, $fields) = @_;
   return $fields unless ref($fields);
   return $self->render_aqt(
-    $self->_expand_maybe_list_expr($fields, undef, '-ident')
+    $self->_expand_maybe_list_expr($fields, '-ident')
   );
 }
 
@@ -556,6 +559,8 @@ sub where {
   return wantarray ? ($sql, @bind) : $sql;
 }
 
+{ our $Default_Scalar_To = -value }
+
 sub expand_expr {
   my ($self, $expr, $default_scalar_to) = @_;
   local our $Default_Scalar_To = $default_scalar_to if $default_scalar_to;
@@ -577,6 +582,12 @@ sub render_expr {
   $self->render_aqt($self->expand_expr($expr));
 }
 
+sub _normalize_op {
+  my ($self, $raw) = @_;
+  s/^-(?=.)//, s/\s+/_/g for my $op = lc $raw;
+  $op;
+}
+
 sub _expand_expr {
   my ($self, $expr) = @_;
   our $Expand_Depth ||= 0; local $Expand_Depth = $Expand_Depth + 1;
@@ -687,10 +698,7 @@ sub _expand_expr_hashpair_ident {
 sub _expand_expr_scalar {
   my ($self, $expr) = @_;
 
-  if (my $d = our $Default_Scalar_To) {
-    return $self->_expand_expr({ $d => $expr });
-  }
-  return $self->_expand_value(-value => $expr);
+  return $self->_expand_expr({ (our $Default_Scalar_To) => $expr });
 }
 
 sub _expand_expr_hashpair_scalar {
@@ -704,22 +712,23 @@ sub _expand_expr_hashpair_scalar {
 sub _expand_expr_hashpair_op {
   my ($self, $k, $v) = @_;
 
-  my $op = $k;
-  $op =~ s/^-// if length($op) > 1;
-  $self->_assert_pass_injection_guard($op);
+  $self->_assert_pass_injection_guard($k =~ /\A-(.*)\Z/s);
+
+  my $op = $self->_normalize_op($k);
 
   # Ops prefixed with -not_ get converted
 
-  if (my ($rest) = $op =~/^not[_ ](.*)$/) {
+  if (my ($rest) = $op =~/^not_(.*)$/) {
     return +{ -op => [
       'not',
       $self->_expand_expr({ "-${rest}", $v })
-  ] };
+    ] };
   }
 
-
   { # Old SQLA compat
 
+    my $op = join(' ', split '_', $op);
+
     # the old special op system requires illegality for top-level use
 
     if (
@@ -778,9 +787,10 @@ sub _expand_expr_hashtriple {
 
   my $ik = $self->_expand_ident(-ident => $k);
 
-  my $op = join ' ', split '_', (map lc, $vk =~ /^-?(.*)$/)[0];
+  my $op = $self->_normalize_op($vk);
   $self->_assert_pass_injection_guard($op);
-  if ($op =~ s/ [_\s]? \d+ $//x ) {
+
+  if ($op =~ s/ _? \d+ $//x ) {
     return $self->_expand_expr($k, { $vk, $vv });
   }
   if (my $x = $self->{expand_op}{$op}) {
@@ -788,6 +798,9 @@ sub _expand_expr_hashtriple {
     return $self->$x($op, $vv, $k);
   }
   { # Old SQLA compat
+
+    my $op = join(' ', split '_', $op);
+
     if (my $us = List::Util::first { $op =~ $_->{regex} } @{$self->{special_ops}}) {
       return { -op => [ $op, $ik, $vv ] };
     }
@@ -809,7 +822,7 @@ sub _expand_expr_hashtriple {
       or $op =~ $self->{not_like_op}
     ) {
       if (lc($logic) eq '-or' and @values > 1) {
-        belch "A multi-element arrayref as an argument to the inequality op '${\uc($op)}' "
+        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)"
         ;
@@ -841,7 +854,10 @@ sub _expand_expr_hashtriple {
 }
 
 sub _dwim_op_to_is {
-  my ($self, $op, $empty, $fail) = @_;
+  my ($self, $raw, $empty, $fail) = @_;
+
+  my $op = $self->_normalize_op($raw);
+
   if ($op =~ /^not$/i) {
     return 0;
   }
@@ -849,14 +865,14 @@ sub _dwim_op_to_is {
     return 1;
   }
   if ($op =~ $self->{like_op}) {
-    belch(sprintf $empty, uc($op));
+    belch(sprintf $empty, uc(join ' ', split '_', $op));
     return 1;
   }
   if ($op =~ $self->{inequality_op}) {
     return 0;
   }
   if ($op =~ $self->{not_like_op}) {
-    belch(sprintf $empty, uc($op));
+    belch(sprintf $empty, uc(join ' ', split '_', $op));
     return 0;
   }
   puke(sprintf $fail, $op);
@@ -956,7 +972,7 @@ sub _expand_op_is {
          and exists($vv->{-value})
          and !defined($vv->{-value})
        );
-  return +{ -op => [ $op.' null', $self->_expand_ident(-ident => $k) ] };
+  return +{ -op => [ $op.'_null', $self->_expand_ident(-ident => $k) ] };
 }
 
 sub _expand_between {
@@ -979,7 +995,10 @@ sub _expand_between {
 }
 
 sub _expand_in {
-  my ($self, $op, $vv, $k) = @_;
+  my ($self, $raw, $vv, $k) = @_;
+  $k = shift @{$vv = [ @$vv ]} unless defined $k;
+  local our $Cur_Col_Meta = $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);
@@ -996,8 +1015,7 @@ sub _expand_in {
   ;
   puke("Argument passed to the '${\uc($op)}' operator can not be undefined")
     if !defined($vv);
-  my @rhs = map $self->_expand_expr($_),
-              map { ref($_) ? $_ : { -bind => [ $k, $_ ] } }
+  my @rhs = map $self->expand_expr($_, -value),
               map { defined($_) ? $_: puke($undef_err) }
                 (ref($vv) eq 'ARRAY' ? @$vv : $vv);
   return $self->${\($op =~ /^not/ ? 'sqltrue' : 'sqlfalse')} unless @rhs;
@@ -1092,6 +1110,8 @@ sub _render_op {
 
   { # Old SQLA compat
 
+    my $op = join(' ', split '_', $op);
+
     my $us = List::Util::first { $op =~ $_->{regex} } @{$self->{special_ops}};
     if ($us and @args > 1) {
       puke "Special op '${op}' requires first value to be identifier"
@@ -1130,7 +1150,11 @@ sub _render_op_between {
   };
   my ($lhsql, @lhbind) = $self->render_aqt($left);
   return (
-    join(' ', '(', $lhsql, $self->_sqlcase($op), $rhsql, ')'),
+    join(' ',
+      '(', $lhsql,
+       $self->_sqlcase(join ' ', split '_', $op),
+      $rhsql, ')'
+    ),
     @lhbind, @rhbind
   );
 }
@@ -1146,7 +1170,7 @@ sub _render_op_in {
   } @$rhs;
   my ($lhsql, @lbind) = $self->render_aqt($lhs);
   return (
-    $lhsql.' '.$self->_sqlcase($op).' ( '
+    $lhsql.' '.$self->_sqlcase(join ' ', split '_', $op).' ( '
     .join(', ', @in_sql)
     .' )',
     @lbind, @in_bind
@@ -1168,7 +1192,7 @@ sub _render_op_multop {
   return '' unless @parts;
   return @{$parts[0]} if @parts == 1;
   my ($final_sql) = join(
-    ' '.$self->_sqlcase($op).' ',
+    ' '.$self->_sqlcase(join ' ', split '_', $op).' ',
     map $_->[0], @parts
   );
   return (
@@ -1185,14 +1209,15 @@ sub _render_op_not {
 sub _render_unop_prefix {
   my ($self, $op, $v) = @_;
   my ($expr_sql, @bind) = $self->render_aqt($v->[0]);
-  my $op_sql = $self->_sqlcase($op);
+
+  my $op_sql = $self->_sqlcase($op); # join ' ', split '_', $op);
   return ("${op_sql} ${expr_sql}", @bind);
 }
 
 sub _render_unop_postfix {
   my ($self, $op, $v) = @_;
   my ($expr_sql, @bind) = $self->render_aqt($v->[0]);
-  my $op_sql = $self->_sqlcase($op);
+  my $op_sql = $self->_sqlcase(join ' ', split '_', $op);
   return ($expr_sql.' '.$op_sql, @bind);
 }
 
@@ -1253,7 +1278,9 @@ sub _expand_order_by {
               ),
                 map $self->expand_expr($_, -ident),
                 map ref($_) eq 'ARRAY' ? @$_ : $_, @to_expand;
-    return (@exp > 1 ? { -list => \@exp } : $exp[0]);
+    return undef unless @exp;
+    return undef if @exp == 1 and not defined($exp[0]);
+    return +{ -op => [ ',', @exp ] };
   };
 
   local @{$self->{expand}}{qw(-asc -desc)} = (($expander) x 2);
@@ -1292,8 +1319,9 @@ sub _chunkify_order_by {
     if $expanded->{-ident} or @{$expanded->{-literal}||[]} == 1;
 
   for ($expanded) {
-    if (ref() eq 'HASH' and my $l = $_->{-list}) {
-      return map $self->_chunkify_order_by($_), @$l;
+    if (ref() eq 'HASH' and $_->{-op} and $_->{-op}[0] eq ',') {
+      my ($comma, @list) = @{$_->{-op}};
+      return map $self->_chunkify_order_by($_), @list;
     }
     return [ $self->render_aqt($_) ];
   }
@@ -1307,7 +1335,7 @@ sub _table  {
   my $self = shift;
   my $from = shift;
   ($self->render_aqt(
-    $self->_expand_maybe_list_expr($from, undef, -ident)
+    $self->_expand_maybe_list_expr($from, -ident)
   ))[0];
 }
 
@@ -1317,7 +1345,7 @@ sub _table  {
 #======================================================================
 
 sub _expand_maybe_list_expr {
-  my ($self, $expr, $logic, $default) = @_;
+  my ($self, $expr, $default) = @_;
   my $e = do {
     if (ref($expr) eq 'ARRAY') {
       return { -list => [