From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sun, 5 Dec 2010 20:02:29 +0000 (+0100)
Subject: Fix stupid assumption in parenthesis unroller
X-Git-Tag: v1.72~6
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FSQL-Abstract.git;a=commitdiff_plain;h=6e9a377bd3915ce41ee6a7d5e8db20928f852379

Fix stupid assumption in parenthesis unroller
---

diff --git a/lib/SQL/Abstract/Tree.pm b/lib/SQL/Abstract/Tree.pm
index 17454dc..864451a 100644
--- a/lib/SQL/Abstract/Tree.pm
+++ b/lib/SQL/Abstract/Tree.pm
@@ -527,6 +527,7 @@ my @unrollable_ops = (
   'GROUP \s+ BY',
   'HAVING',
   'ORDER \s+ BY',
+  'I?LIKE',
 );
 my $unrollable_ops_re = join ' | ', @unrollable_ops;
 $unrollable_ops_re = qr/$unrollable_ops_re/xi;
@@ -573,11 +574,14 @@ sub _parenthesis_unroll {
       }
 
       # only *ONE* LITERAL or placeholder element
+      # as an AND/OR/NOT argument
       elsif (
         @{$child->[1]} == 1 && (
           $child->[1][0][0] eq 'LITERAL'
             or
           $child->[1][0][0] eq 'PLACEHOLDER'
+        ) && (
+          $ast->[0] eq 'AND' or $ast->[0] eq 'OR' or $ast->[0] eq 'NOT'
         )
       ) {
         push @children, $child->[1][0];
diff --git a/t/01generate.t b/t/01generate.t
index 828bfdd..5855f80 100644
--- a/t/01generate.t
+++ b/t/01generate.t
@@ -442,8 +442,8 @@ my @tests = (
               func   => 'update',
               new    => {bindtype => 'columns'},
               args   => ['test', {a => 1, b => \["to_date(?, 'MM/DD/YY')", [{dummy => 1} => '02/02/02']], c => { -lower => 'foo' }}, {a => {'between', [1,2]}}],
-              stmt   => "UPDATE test SET a = ?, b = to_date(?, 'MM/DD/YY'), c = LOWER( ? ) WHERE ( a BETWEEN ? AND ? )",
-              stmt_q => "UPDATE `test` SET `a` = ?, `b` = to_date(?, 'MM/DD/YY'), `c` = LOWER ( ? ) WHERE ( `a` BETWEEN ? AND ? )",
+              stmt   => "UPDATE test SET a = ?, b = to_date(?, 'MM/DD/YY'), c = LOWER ? WHERE ( a BETWEEN ? AND ? )",
+              stmt_q => "UPDATE `test` SET `a` = ?, `b` = to_date(?, 'MM/DD/YY'), `c` = LOWER ? WHERE ( `a` BETWEEN ? AND ? )",
               bind   => [[a => '1'], [{dummy => 1} => '02/02/02'], [c => 'foo'], [a => '1'], [a => '2']],
       },
       {
diff --git a/t/10test.t b/t/10test.t
index aa140d4..4d14014 100644
--- a/t/10test.t
+++ b/t/10test.t
@@ -643,33 +643,31 @@ my @sql_tests = (
           'SELECT foo FROM bar ()',
         ]
       },
-      # single ? of unknown funcs can unroll
-      # (think ...LIKE ?...)
       {
-        equal => 1,
+        equal => 0,
         statements => [
-          'SELECT foo FROM bar WHERE bar > foo ?',
-          'SELECT foo FROM bar WHERE bar > foo (?)',
-          'SELECT foo FROM bar WHERE bar > foo( ? )',
+          'SELECT COUNT * FROM foo',
+          'SELECT COUNT( * ) FROM foo',
         ]
       },
+      # single ? of unknown funcs do not unroll unless
+      # explicitly allowed (e.g. Like)
       {
-        equal => 1,
+        equal => 0,
         statements => [
-          'SELECT foo FROM bar WHERE bar > (foo ?)',
-          'SELECT foo FROM bar WHERE bar > (foo( ? ))',
-          'SELECT foo FROM bar WHERE bar > (( foo (?) ))',
+          'SELECT foo FROM bar WHERE bar > foo ?',
+          'SELECT foo FROM bar WHERE bar > foo( ? )',
         ]
       },
       {
         equal => 1,
         statements => [
-          'SELECT foo FROM bar WHERE bar foo ?',
-          'SELECT foo FROM bar WHERE bar foo (?)',
-          'SELECT foo FROM bar WHERE bar foo( (?))',
+          'SELECT foo FROM bar WHERE bar LIKE ?',
+          'SELECT foo FROM bar WHERE bar LiKe (?)',
+          'SELECT foo FROM bar WHERE bar lIkE( (?))',
         ]
       },
-      # not so about multival
+      # test multival
       {
         equal => 0,
         statements => [