From: Matt S Trout <mst@shadowcat.co.uk>
Date: Mon, 30 Sep 2019 19:09:10 +0000 (+0000)
Subject: doc between op expander
X-Git-Tag: v1.90_01~62
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=dee79057e5d03dd6c0715d577eb22b7a057ef146;p=dbsrgits%2FSQL-Abstract.git

doc between op expander
---

diff --git a/lib/SQL/Abstract/Reference.pm b/lib/SQL/Abstract/Reference.pm
index f20cb06..ff020b3 100644
--- a/lib/SQL/Abstract/Reference.pm
+++ b/lib/SQL/Abstract/Reference.pm
@@ -744,4 +744,65 @@ treated as rows:
   VALUES (?, ?), (?, ?)
   [ 1, 2, 3, 4 ]
 
+=head2 between op
+
+The RHS of between must either be a pair of exprs/plain values, or a single
+literal expr:
+
+  # expr
+  { -between => [ 'size', 3, { -ident => 'max_size' } ] }
+
+  # aqt
+  { -op => [
+      'between', { -ident => [ 'size' ] }, { -bind => [ undef, 3 ] },
+      { -ident => [ 'max_size' ] },
+  ] }
+
+  # query
+  ( size BETWEEN ? AND max_size )
+  [ 3 ]
+
+  # expr
+  { size => { -between => [ 3, { -ident => 'max_size' } ] } }
+
+  # aqt
+  { -op => [
+      'between', { -ident => [ 'size' ] }, { -bind => [ 'size', 3 ] },
+      { -ident => [ 'max_size' ] },
+  ] }
+
+  # query
+  ( size BETWEEN ? AND max_size )
+  [ 3 ]
+
+  # expr
+  { size => { -between => \"3 AND 7" } }
+
+  # aqt
+  { -op =>
+      [
+        'between', { -ident => [ 'size' ] },
+        { -literal => [ '3 AND 7' ] },
+      ]
+  }
+
+  # query
+  ( size BETWEEN 3 AND 7 )
+  []
+
+C<not_between> is also expanded:
+
+  # expr
+  { size => { -not_between => [ 3, 7 ] } }
+
+  # aqt
+  { -op => [
+      'not_between', { -ident => [ 'size' ] },
+      { -bind => [ 'size', 3 ] }, { -bind => [ 'size', 7 ] },
+  ] }
+
+  # query
+  ( size NOT BETWEEN ? AND ? )
+  [ 3, 7 ]
+
 =cut