From: Matt S Trout <mst@shadowcat.co.uk>
Date: Sun, 7 Apr 2019 23:45:01 +0000 (+0000)
Subject: clean up expansion
X-Git-Tag: v2.000000~3^2~266
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=958944296097534083f308ce201fcf05424c92fd;p=dbsrgits%2FSQL-Abstract.git

clean up expansion
---

diff --git a/lib/SQL/Abstract/Clauses.pm b/lib/SQL/Abstract/Clauses.pm
index 9f92b00..3e062fb 100644
--- a/lib/SQL/Abstract/Clauses.pm
+++ b/lib/SQL/Abstract/Clauses.pm
@@ -61,14 +61,18 @@ sub _expand_statement {
   my ($self, $type, $args) = @_;
   my $ec = $self->{expand_clause};
   return +{ "-${type}" => +{
-    map +($_ => (do {
+    map {
       my $val = $args->{$_};
       if (defined($val) and my $exp = $ec->{"${type}.$_"}) {
-        $self->$exp($val);
+        if ((my (@exp) = $self->$exp($val)) == 1) {
+          ($_ => $exp[0])
+        } else {
+          @exp
+        }
       } else {
-        $val;
+        ($_ => $val)
       }
-    })), sort keys %$args
+    } sort keys %$args
   } };
 }