[PATCH] BUG#26793 test: mysqld crashes in NDB on I_S query

Reduce case and formalise into something we should be
able to use in mysql-test-run.

Index: ndb-work/mysql-test/t/ndb_bug26793.test
===================================================================

mysql-test/r/ndb_bug26793.result

+DROP TABLE IF EXISTS t1;
+CREATE TABLE `test` (
+`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
+`t` VARCHAR( 10 ) NOT NULL
+) ENGINE = ndbcluster;
+delete from mysql.db where user='';
+flush privileges;
+GRANT USAGE ON *.* TO user1@localhost IDENTIFIED BY 'pass';
+DROP TABLE `test`.`test`;

mysql-test/t/ndb_bug26793.test

+-- source include/have_ndb.inc
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+CREATE TABLE `test` (
+`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
+`t` VARCHAR( 10 ) NOT NULL
+) ENGINE = ndbcluster;
+
+delete from mysql.db where user='';
+
+flush privileges;
+
+GRANT USAGE ON *.* TO user1@localhost IDENTIFIED BY 'pass';
+
+connect (user1,localhost,user1,pass,*NO-ONE*);
+
+disable_query_log;
+disable_result_log;
+let $i= 100;
+while ($i)
+{
+select count(*) from information_schema.tables union all select count(*) from information_schema.tables union all select count(*) from information_schema.tables;
+dec $i;
+}
+enable_query_log;
+enable_result_log;
+
+connect (root,localhost,root,,test);
+connection root;
+DROP TABLE `test`.`test`;