From: Justin Hunter <justin.d.hunter@gmail.com>
Date: Tue, 21 Apr 2009 00:03:47 +0000 (+0000)
Subject: patch for -between to handle [\"", \""] and \["", @bind] with accompanying tests
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=cf02fc473c670690d4c70f240dfe5d8cba10a94d;p=scpubgit%2FQ-Branch.git

patch for -between to handle [\"", \""] and \["", @bind] with accompanying tests
---

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index e0f1cad..457f305 100644
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -699,16 +699,39 @@ sub _where_UNDEF {
 sub _where_field_BETWEEN {
   my ($self, $k, $op, $vals) = @_;
 
-  ref $vals eq 'ARRAY' && @$vals == 2 
-    or puke "special op 'between' requires an arrayref of two values";
-
-  my ($label)       = $self->_convert($self->_quote($k));
-  my ($placeholder) = $self->_convert('?');
-  my $and           = $self->_sqlcase('and');
+  (ref $vals eq 'ARRAY' && @$vals == 2) or 
+  (ref $vals eq 'REF' && (@$$vals == 1 || @$$vals == 2 || @$$vals == 3))
+    or puke "special op 'between' requires an arrayref of two values (or a scalarref or arrayrefref for literal SQL)";
+
+  my ($clause, @bind, $label, $and, $placeholder);
+  $label       = $self->_convert($self->_quote($k));
+  $and         = ' ' . $self->_sqlcase('and') . ' ';
+  $placeholder = $self->_convert('?');
   $op               = $self->_sqlcase($op);
 
-  my $sql  = "( $label $op $placeholder $and $placeholder )";
-  my @bind = $self->_bindtype($k, @$vals);
+  if (ref $vals eq 'REF') {
+    ($clause, @bind) = @$$vals;
+  }
+  else {
+    my (@all_sql, @all_bind);
+
+    foreach my $val (@$vals) {
+      my ($sql, @bind) = $self->_SWITCH_refkind($val, {
+         SCALAR => sub {
+           return ($placeholder, ($val));
+         },
+         SCALARREF => sub {
+           return ($self->_convert($$val), ());
+         },
+      });
+      push @all_sql, $sql;
+      push @all_bind, @bind;
+    }
+
+    $clause = (join $and, @all_sql);
+    @bind = $self->_bindtype($k, @all_bind);
+  }
+  my $sql = "( $label $op $clause )";
   return ($sql, @bind)
 }
 
diff --git a/t/05between.t b/t/05between.t
new file mode 100644
index 0000000..00b7361
--- /dev/null
+++ b/t/05between.t
@@ -0,0 +1,101 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Test::More;
+use Test::Exception;
+use SQL::Abstract::Test import => ['is_same_sql_bind'];
+
+use Data::Dumper;
+use SQL::Abstract;
+
+=begin
+Test -between and -in 
+  * between
+    * [scalar, scalar]
+    * [scalarref, scalar]
+    * [scalar, scalarref]
+    * [scalarref, scalarref]
+    * \[]
+      * \["? AND ?", scalar, scalar]
+      * \["1 AND ?", scalar]
+      * \["? AND 2", scalar]
+      * \["1 AND 2"]
+=cut
+
+my @in_between_tests = (
+  {
+    where => { x => { -between => [1, 2] } },
+    stmt => 'WHERE (x BETWEEN ? AND ?)',
+    bind => [qw/1 2/],
+    test => '-between with two placeholders',
+  },
+  {
+    where => { x => { -between => [\"1", 2] } },
+    stmt => 'WHERE (x BETWEEN 1 AND ?)',
+    bind => [qw/2/],
+    test => '-between with one literal sql arg and one placeholder',
+  },
+  {
+    where => { x => { -between => [1, \"2"] } },
+    stmt => 'WHERE (x BETWEEN ? AND 2)',
+    bind => [qw/1/],
+    test => '-between with one placeholder and one literal sql arg',
+  },
+  {
+    where => { x => { -between => [\'current_date - 1', \'current_date - 0'] } },
+    stmt => 'WHERE (x BETWEEN current_date - 1 AND current_date - 0)',
+    bind => [],
+    test => '-between with two literal sql arguments',
+  },
+  {
+    where => { x => { -between => \['? AND ?', 1, 2] } },
+    stmt => 'WHERE (x BETWEEN ? AND ?)',
+    bind => [1,2],
+    test => '-between with literal sql with placeholders (\["? AND ?", scalar, scalar])',
+  },
+  {
+    where => { x => { -between => \["'something' AND ?", 2] } },
+    stmt => "WHERE (x BETWEEN 'something' AND ?)",
+    bind => [2],
+    test => '-between with literal sql with one literal arg and one placeholder (\["\'something\' AND ?", scalar])',
+  },
+  {
+    where => { x => { -between => \["? AND 'something'", 1] } },
+    stmt => "WHERE (x BETWEEN ? AND 'something')",
+    bind => [1],
+    test => '-between with literal sql with one placeholder and one literal arg (\["? AND \'something\'", scalar])',
+  },
+  {
+    where => { x => { -between => \["'this' AND 'that'"] } },
+    stmt => "WHERE (x BETWEEN 'this' AND 'that')",
+    bind => [],
+    test => '-between with literal sql with two literal args (\["\'this\' AND \'that\'"])',
+  },
+);
+
+plan tests => @in_between_tests*3;
+
+for my $case (@in_between_tests) {
+  TODO: {
+    local $TODO = $case->{todo} if $case->{todo};
+
+    local $Data::Dumper::Terse = 1;
+
+    my @w;
+    local $SIG{__WARN__} = sub { push @w, @_ };
+    my $sql = SQL::Abstract->new ($case->{args} || {});
+    lives_ok (sub { 
+      my ($stmt, @bind) = $sql->where($case->{where});
+      is_same_sql_bind(
+        $stmt,
+        \@bind,
+        $case->{stmt},
+        $case->{bind},
+      )
+        || diag "Search term:\n" . Dumper $case->{where};
+    });
+    is (@w, 0, $case->{test} || 'No warnings within in-between tests')
+      || diag join "\n", 'Emitted warnings:', @w;
+  }
+}