show more ways to include literal bind values

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / ResultSet.pm

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index 84a2b13..c799da7 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -3991,6 +3991,20 @@ is the same as
     select => [qw/foo baz/],
     as => [qw/foo bar/]
 
+Like elsewhere, literal SQL or literal values can be included by using a
+scalar reference or a literal bind value, and these values will be available
+in the result with C<get_column> (see also
+L<SQL::Abstract/Literal-SQL-and-value-type-operators>):
+
+    # equivalent SQL: SELECT 1, 'a string', IF(x,1,2) ...
+    columns => [
+        {
+            foo => \1,
+            bar => \q{'a string'},
+            baz => \[ '?', 'IF(x,1,2)' ],
+        }
+    ]
+
 =head2 +columns
 
 =over 4