[MDEV-9637] select nullif(count(col1),0) gives wrong result if in a view - Jira

This is related to ~~MDEV-9181~~ and ~~MDEV-9576~~.

select nullif(count(col1),0) from table1

returns 3

creating a view with the same query and it returns 5.
to recreate ->

CREATE DATABASE IF NOT EXISTS `testdb5` /*!40100 DEFAULT CHARACTER SET latin1 */;

USE `testdb5`;

CREATE TABLE IF NOT EXISTS `table1` (

  `col1` varchar(50) DEFAULT NULL

) ENGINE=InnoDB DEFAULT CHARSET=latin1;

/*!40000 ALTER TABLE `table1` DISABLE KEYS */;

INSERT INTO `table1` (`col1`) VALUES

	('hello'),

	('hello'),

	('hello');

/*!40000 ALTER TABLE `table1` ENABLE KEYS */;

CREATE TABLE `testview` (

	`nullif(count(col1),0)` BIGINT(21) NULL

) ENGINE=MyISAM;

DROP TABLE IF EXISTS `testview`;

CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` VIEW `testview` AS select nullif(count(col1),0) from table1 ;

then

select * from testview

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