added test case for the nasty join query crash

# MySQL dump 8.13

#

# Host: localhost    Database: timeprep

#--------------------------------------------------------

# Server version	3.23.35-log

#

# Table structure for table 'project'

#

DROP TABLE IF EXISTS project;

CREATE TABLE project (

  project_id int(11) NOT NULL auto_increment,

  project_row_lock int(11) NOT NULL default '0',

  project_name varchar(80) NOT NULL default '',

  client_ptr int(11) NOT NULL default '0',

  project_contact_ptr int(11) default NULL,

  client_contact_ptr int(11) default NULL,

  billing_contact_ptr int(11) default NULL,

  comments mediumtext,

  PRIMARY KEY  (project_id),

  UNIQUE KEY project (client_ptr,project_name)

) TYPE=MyISAM PACK_KEYS=1;

#

# Dumping data for table 'project'

#

INSERT INTO project VALUES (1,0,'Rejected Time',1,NULL,NULL,NULL,NULL);

INSERT INTO project VALUES (209,0,'MDGRAD Proposal/Investigation',97,NULL,NULL,NULL,'');

INSERT INTO project VALUES (208,0,'Font 9 Design',84,NULL,NULL,NULL,'');

INSERT INTO project VALUES (207,0,'Web Based Order Processing',95,NULL,NULL,NULL,'');

INSERT INTO project VALUES (205,0,'Mac Screen Saver',95,NULL,NULL,NULL,'');

INSERT INTO project VALUES (206,0,'Web Site',96,NULL,NULL,NULL,'');

INSERT INTO project VALUES (204,0,'Magnafire Glue',94,NULL,NULL,NULL,'');

INSERT INTO project VALUES (203,0,'Print Bid',93,NULL,NULL,NULL,'');

INSERT INTO project VALUES (202,0,'EPOC Port',92,NULL,NULL,NULL,'');

INSERT INTO project VALUES (201,0,'TravelMate',88,NULL,NULL,NULL,'');

#

# Table structure for table 'period'

#

DROP TABLE IF EXISTS period;

CREATE TABLE period (

  period_id int(11) NOT NULL auto_increment,

  period_type enum('user_table','client_table','role_table','member_table','project_table') default NULL,

  period_key int(11) default NULL,

  start_date datetime default NULL,

  end_date datetime default NULL,

  work_load int(11) default NULL,

  PRIMARY KEY  (period_id),

  KEY period_index (period_type,period_key),

  KEY date_index (start_date,end_date)

) TYPE=MyISAM PACK_KEYS=1;

#

# Dumping data for table 'period'

#

INSERT INTO period VALUES (1,'user_table',98,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (2,'user_table',99,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (3,'user_table',100,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (49,'project_table',148,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (50,'client_table',68,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (51,'project_table',149,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (52,'project_table',150,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (53,'client_table',69,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (54,'project_table',151,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (55,'client_table',70,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (155,'role_table',1,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (156,'role_table',2,'2000-01-01 00:00:00',NULL,NULL);

INSERT INTO period VALUES (160,'member_table',1,'2000-01-01 00:00:00',NULL,1);

INSERT INTO period VALUES (161,'member_table',2,'2000-01-01 00:00:00',NULL,1);

INSERT INTO period VALUES (162,'member_table',3,'2000-01-01 00:00:00',NULL,1);

#

# Table structure for table 'budget'

#

DROP TABLE IF EXISTS budget;

CREATE TABLE budget (

  budget_id int(11) NOT NULL auto_increment,

  project_ptr int(11) NOT NULL default '0',

  po_number varchar(20) NOT NULL default '',

  status enum('open','closed') default NULL,

  date_received datetime default NULL,

  amount_received float(10,2) default NULL,

  adjustment float(10,2) default NULL,

  PRIMARY KEY  (budget_id),

  UNIQUE KEY po (project_ptr,po_number)

) TYPE=MyISAM PACK_KEYS=1;

#

# Dumping data for table 'budget'

#

#

# Table structure for table 'client'

#

DROP TABLE IF EXISTS client;

CREATE TABLE client (

  client_id int(11) NOT NULL auto_increment,

  client_row_lock int(11) NOT NULL default '0',

  client_name varchar(80) NOT NULL default '',

  contact_ptr int(11) default NULL,

  comments mediumtext,

  PRIMARY KEY  (client_id),

  UNIQUE KEY client_name (client_name)

) TYPE=MyISAM PACK_KEYS=1;

#

# Dumping data for table 'client'

#

INSERT INTO client VALUES (1,0,'CPS',NULL,NULL);

#

#	The query that fails...

#

select distinct

    project.project_id as project_id,

    project.project_name as project_name,

    project.client_ptr as client_ptr,

    project.comments as comments,

    sum( budget.amount_received ) + sum( budget.adjustment ) as total_budget

from

    project ,

    period as client_period ,

    period as project_period

    left join

        budget

    on

        budget.project_ptr = project.project_id

        and budget.date_received <= '2001-03-22 14:15:09'

    left join

        client

    on

        client.client_id = project.client_ptr

   where

        1

        and ( client_period.period_type = 'client_table'

            and client_period.period_key = client.client_id

            and ( client_period.start_date <= '2001-03-22 14:15:09' or isnull( client_period.start_date ))

            and ( client_period.end_date > '2001-03-21 14:15:09' or isnull( client_period.end_date ))

            )

        and ( project_period.period_type = 'project_table'

        and project_period.period_key = project.project_id

        and ( project_period.start_date <= '2001-03-22 14:15:09' or isnull( project_period.start_date ))

        and ( project_period.end_date > '2001-03-21 14:15:09' or isnull( project_period.end_date )) )

    group by

        client_id,

        project_id ,

        client_period.period_id ,

        project_period.period_id

    order by

        client_name asc,

        project_name asc 

;

    }

    it2.rewind();

  }

  /* If fixed row records, we need on bit to check for deleted rows */

  /* If fixed row records, we need one bit to check for deleted rows */

  if (!(db_options & HA_OPTION_PACK_RECORD))

    null_fields++;

  pos=(null_fields+7)/8;