SELECT DISTINCT tasks.task_id, task_parent, task_name, task_start_date, task_end_date, task_dynamic, task_pinned, pin.user_id AS pin_user, task_priority, task_percent_complete, task_duration, task_duration_type, task_project, task_description, task_owner, task_status, usernames.user_username, usernames.user_id, task_milestone, assignees.user_username AS assignee_username, count(DISTINCT assignees.user_id) AS assignee_count, co.contact_first_name, co.contact_last_name, count(DISTINCT files.file_task) AS file_count, tlog.task_log_problem FROM tasks, user_tasks LEFT JOIN projects p ON p.project_id = tasks.task_project LEFT JOIN users AS usernames ON task_owner = usernames.user_id LEFT JOIN user_tasks AS ut ON ut.task_id = tasks.task_id LEFT JOIN users AS assignees ON assignees.user_id = ut.user_id LEFT JOIN contacts AS co ON co.contact_id = usernames.user_contact LEFT JOIN task_log AS tlog ON tlog.task_log_task = tasks.task_id AND tlog.task_log_problem > 0 LEFT JOIN files ON tasks.task_id = files.file_task LEFT JOIN user_task_pin AS pin ON tasks.task_id = pin.task_id AND pin.user_id = 12 WHERE project_active <> 0 AND task_project = p.project_id AND user_tasks.user_id = 12 AND user_tasks.task_id = tasks.task_id AND (task_percent_complete < 100 OR task_end_date = '') AND p.project_active = 1 AND p.project_status <> 4 AND p.project_status <> 5 AND task_status = 0 GROUP BY task_id ORDER BY project_id, task_start_date
mam takie zapytanie do bazy, ono działa prawidłowo w mysql 4.x problem pojawia przy wykonaniu tego na mysql 5.x chodzi o tą część
LEFT JOIN projects p ON p.project_id = tasks.task_project
zwracany jest błąd #1054 - Nieznana kolumna 'tasks.task_project' w on clause, dodaj że taka kolumna istnieje w tej tabeli no i jak pisalem to zapytanie działa w mysql4