Simple between support

diff --git a/lib/SQL/Abstract/AST/v1.pm b/lib/SQL/Abstract/AST/v1.pm
index 2c00f26..53db579 100644 (file)
--- a/lib/SQL/Abstract/AST/v1.pm
+++ b/lib/SQL/Abstract/AST/v1.pm
@@ -19,6 +19,8 @@ class SQL::Abstract::AST::v1 extends SQL::Abstract {
       %{super()},
       in => $self->can('_in'),
       not_in => $self->can('_in'),
+      between => $self->can('_between'),
+      not_between => $self->can('_between'),
       and => $self->can('_recurse_where'),
       or => $self->can('_recurse_where'),
       map { +"$_" => $self->can("_$_") } qw/
@@ -269,6 +271,20 @@ class SQL::Abstract::AST::v1 extends SQL::Abstract {
            ")";
   }
 
+  method _between(AST $ast) {
+  
+    my ($field,@values) = @{$ast->{args}};
+
+    my $not = ($ast->{op} =~ /^not_/) ? " NOT" : "";
+    croak "between requires 3 arguments: " . dump($ast)
+      unless @values == 2;
+
+    return $self->_expr($field) .
+           $not . 
+           " BETWEEN " .
+           join(" AND ", map { $self->dispatch($_) } @values );
+  }
+
   # 'constants' that are portable across DBs
   method _false($ast?) { "0 = 1" }
   method _true($ast?) { "1 = 1" }

diff --git a/t/101_expr_funcitons.t b/t/101_expr_funcitons.t
index 29d7dee..13ec805 100644 (file)
--- a/t/101_expr_funcitons.t
+++ b/t/101_expr_funcitons.t
@@ -2,7 +2,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 3;
+use Test::More tests => 4;
 use Test::Differences;
 
 use_ok('SQL::Abstract') or BAIL_OUT( "$@" );
@@ -37,3 +37,15 @@ is $sqla->dispatch(
 ), "last_insert_id()",
    "last_insert_id";
 
+is $sqla->dispatch(
+  { -type => 'expr',
+    op => 'between',
+    args => [
+      {-type => name => args => [qw/me id/] }, 
+      { -type => 'value', value => 500 },
+      { -type => 'value', value => 599 },
+    ],
+  }
+), "me.id BETWEEN ? AND ?",
+   "between";
+