From: Matt S Trout <mst@shadowcat.co.uk>
Date: Sat, 28 Sep 2019 02:11:52 +0000 (+0000)
Subject: arrayref expr
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=24479414b207dfb118a9704920191324e5da2a32;p=scpubgit%2FQ-Branch.git

arrayref expr
---

diff --git a/lib/SQL/Abstract/Reference.pm b/lib/SQL/Abstract/Reference.pm
index ad27a77..6075f4c 100644
--- a/lib/SQL/Abstract/Reference.pm
+++ b/lib/SQL/Abstract/Reference.pm
@@ -562,4 +562,35 @@ is short hand for:
 
 =head2 arrayref expr
 
+An arrayref becomes a C<-or> over its contents. Arrayrefs, hashrefs and
+literals are all expanded and added to the clauses of the C<-or>. If the
+arrayref contains a scalar it's treated as the key of a hashpair and the
+next element as the value.
+
+  # expr
+  [ { x => 1 }, [ { y => 2 }, { z => 3 } ], 'key', 'value', \"lit()" ]
+
+  # aqt
+  { -op => [
+      'or',
+      { -op => [ '=', { -ident => [ 'x' ] }, { -bind => [ 'x', 1 ] } ] },
+      { -op => [
+          'or', {
+            -op => [ '=', { -ident => [ 'y' ] }, { -bind => [ 'y', 2 ] } ]
+          }, {
+            -op => [ '=', { -ident => [ 'z' ] }, { -bind => [ 'z', 3 ] } ]
+          },
+      ] }, { -op =>
+          [
+            '=', { -ident => [ 'key' ] },
+            { -bind => [ 'key', 'value' ] },
+          ]
+      },
+      { -literal => [ 'lit()' ] },
+  ] }
+
+  # query
+  ( x = ? OR ( y = ? OR z = ? ) OR key = ? OR lit() )
+  [ 1, 2, 3, 'value' ]
+
 =cut