MDEV-5103: server crashed on singular Item_equal

Singular Item_equal support added.

The problem was that during constant table substitution Item_equal become containing only one constant which was not supported internally.

1 files changed, 51 insertions, 1 deletions

diff --git a/mysql-test/t/func_equal.test b/mysql-test/t/func_equal.test
index 1c219af0254..990b6d8e74e 100644
--- a/mysql-test/t/func_equal.test
+++ b/mysql-test/t/func_equal.test
@@ -43,4 +43,54 @@ select * from t1 where a = '4828532208463511553';
 select * from t1 where a in ('4828532208463511553');
 drop table t1;
 
-# End of 4.1 tests
+--echo #End of 4.1 tests
+
+--echo #
+--echo # MDEV-5103: server crashed on singular Item_equal
+--echo #
+
+CREATE TABLE `t1` (
+  `tipo` enum('p','r') NOT NULL DEFAULT 'r',
+  `arquivo_id` bigint(20) unsigned NOT NULL DEFAULT '0',
+  `arquivo_md5` char(32) NOT NULL,
+  `conteudo` longblob NOT NULL,
+  `usuario` varchar(15) NOT NULL,
+  `datahora_gmt` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `tipo_arquivo` varchar(255) NOT NULL,
+  `nome_arquivo` varchar(255) NOT NULL,
+  `tamanho_arquivo` bigint(20) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`tipo`,`arquivo_id`),
+  UNIQUE KEY `tipo` (`tipo`,`arquivo_md5`)
+) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
+
+INSERT INTO `t1` (`tipo`, `arquivo_id`, `arquivo_md5`, `conteudo`, `usuario`, `datahora_gmt`, `tipo_arquivo`, `nome_arquivo`, `tamanho_arquivo`) VALUES
+	('r', 1, 'ad18832202b199728921807033a8a515', '', 'rspadim', '2013-10-05 13:55:50', '001_cbr643', 'CBR6431677410201314132.ret', 21306);
+
+
+CREATE TABLE `t2` (
+  `tipo` enum('p','r') NOT NULL DEFAULT 'p',
+  `arquivo_id` bigint(20) NOT NULL DEFAULT '0',
+  `usuario` varchar(25) NOT NULL,
+  `datahora` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `erros` longblob NOT NULL,
+  `importados` bigint(20) unsigned NOT NULL DEFAULT '0',
+  `n_importados` bigint(20) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`tipo`,`arquivo_id`,`datahora`)
+) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
+
+INSERT INTO `t2` (`tipo`, `arquivo_id`, `usuario`, `datahora`, `erros`, `importados`, `n_importados`) VALUES
+	('r', 1, 'rspadim', '2013-10-05 14:25:30', '', 32, 0);
+
+SELECT
+arquivo_id,usuario,datahora_gmt,tipo_arquivo,nome_arquivo,tamanho_arquivo
+  FROM t1 AS a
+  WHERE datahora_gmt>='0000-00-00 00:00:00' AND
+    datahora_gmt<='2013-10-07 02:59:59' AND tipo='r' AND
+    (tipo_arquivo,arquivo_id) NOT IN
+      (SELECT tipo_arquivo,arquivo_id
+        FROM t2
+        WHERE (tipo_arquivo,arquivo_id)=(a.tipo_arquivo,a.arquivo_id))
+  ORDER BY arquivo_id DESC;
+
+drop table t2, t1;
+--echo #End of 5.3 tests