Emmanuel BENOîT
56741bccaa
Tasks can be assigned to users. An user may decide to "claim" a task directly, which will assign the task to him. Otherwise, it is possible to set some arbitrary user as the assignee or remove the assignee completely through the edition form. Marking a task as completed will remove the assignee, while re-activating a task will assign it to the user who re-activated it. Also, fixed a bug which allowed a completed task to be edited.
137 lines
4.5 KiB
SQL
137 lines
4.5 KiB
SQL
-- Sequences
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CREATE SEQUENCE items_item_id_seq INCREMENT 1
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MINVALUE 1 MAXVALUE 9223372036854775807
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START 1 CACHE 1;
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GRANT SELECT,UPDATE ON items_item_id_seq TO :webapp_user;
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CREATE SEQUENCE users_user_id_seq INCREMENT 1
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MINVALUE 1 MAXVALUE 9223372036854775807
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START 1 CACHE 1;
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GRANT SELECT,UPDATE ON users_user_id_seq TO :webapp_user;
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CREATE SEQUENCE tasks_task_id_seq INCREMENT 1
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MINVALUE 1 MAXVALUE 9223372036854775807
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START 1 CACHE 1;
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GRANT SELECT,UPDATE ON tasks_task_id_seq TO :webapp_user;
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CREATE SEQUENCE notes_note_id_seq INCREMENT 1
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MINVALUE 1 MAXVALUE 9223372036854775807
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START 1 CACHE 1;
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GRANT SELECT,UPDATE ON notes_note_id_seq TO :webapp_user;
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CREATE SEQUENCE task_dependencies_taskdep_id_seq INCREMENT 1
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MINVALUE 1 MAXVALUE 9223372036854775807
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START 1 CACHE 1;
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GRANT SELECT,UPDATE ON task_dependencies_taskdep_id_seq TO :webapp_user;
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-- Tables
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-- Table items
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CREATE TABLE items (
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item_id INT NOT NULL DEFAULT NEXTVAL('items_item_id_seq'::TEXT),
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item_name VARCHAR(128) NOT NULL,
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item_id_parent INT,
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item_ordering INT NOT NULL,
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item_description TEXT ,
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PRIMARY KEY(item_id)
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);
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CREATE UNIQUE INDEX i_items_unicity ON items (item_name,item_id_parent);
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CREATE UNIQUE INDEX i_items_ordering ON items (item_ordering);
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-- Make sure top-level items are unique
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CREATE UNIQUE INDEX i_items_top_unicity
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ON items ( item_name )
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WHERE item_id_parent IS NULL;
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ALTER TABLE items ADD FOREIGN KEY (item_id_parent)
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REFERENCES items(item_id) ON UPDATE NO ACTION ON DELETE CASCADE;
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GRANT SELECT,INSERT,UPDATE,DELETE ON items TO :webapp_user;
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-- Table users
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CREATE TABLE users (
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user_id INT NOT NULL DEFAULT NEXTVAL('users_user_id_seq'::TEXT),
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user_email VARCHAR(256) NOT NULL,
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user_display_name VARCHAR(256) ,
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user_salt CHAR(8) NOT NULL,
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user_iterations INT NOT NULL,
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user_hash CHAR(40) NOT NULL,
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PRIMARY KEY(user_id)
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);
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CREATE UNIQUE INDEX i_users_user_email ON users (LOWER(user_email));
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GRANT SELECT,INSERT,UPDATE ON users TO :webapp_user;
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-- Table tasks
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CREATE TABLE tasks (
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task_id INT NOT NULL DEFAULT NEXTVAL('tasks_task_id_seq'::TEXT),
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item_id INT NOT NULL REFERENCES items(item_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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task_title VARCHAR(256) NOT NULL,
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task_priority INT NOT NULL,
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task_description TEXT NOT NULL,
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task_added TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT now(),
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user_id INT NOT NULL REFERENCES users(user_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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user_id_assigned INT REFERENCES users(user_id) ON UPDATE NO ACTION ON DELETE SET NULL ,
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PRIMARY KEY(task_id)
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);
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CREATE UNIQUE INDEX i_tasks_item_id_task_title ON tasks (item_id,task_title);
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GRANT SELECT,INSERT,UPDATE,DELETE ON tasks TO :webapp_user;
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-- Table items_tree
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CREATE TABLE items_tree (
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item_id_parent INT NOT NULL REFERENCES items(item_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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item_id_child INT NOT NULL REFERENCES items(item_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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pt_depth INT NOT NULL,
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PRIMARY KEY(item_id_parent,item_id_child)
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);
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GRANT SELECT ON items_tree TO :webapp_user;
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-- Table completed_tasks
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CREATE TABLE completed_tasks (
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task_id INT NOT NULL REFERENCES tasks(task_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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completed_task_time TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT now(),
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user_id INT NOT NULL REFERENCES users(user_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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PRIMARY KEY(task_id)
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);
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GRANT SELECT,INSERT,UPDATE,DELETE ON completed_tasks TO :webapp_user;
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-- Table task_dependencies
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CREATE TABLE task_dependencies (
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taskdep_id INT NOT NULL DEFAULT NEXTVAL('task_dependencies_taskdep_id_seq'::TEXT),
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task_id INT NOT NULL REFERENCES tasks(task_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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task_id_depends INT NOT NULL REFERENCES tasks(task_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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PRIMARY KEY(taskdep_id)
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);
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CREATE UNIQUE INDEX i_taskdep_unicity ON task_dependencies (task_id,task_id_depends);
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CREATE INDEX i_taskdep_bydependency ON task_dependencies (task_id_depends);
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GRANT SELECT,INSERT,DELETE ON task_dependencies TO :webapp_user;
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-- Table notes
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CREATE TABLE notes (
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note_id INT NOT NULL DEFAULT NEXTVAL('notes_note_id_seq'::TEXT),
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task_id INT NOT NULL REFERENCES tasks(task_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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user_id INT NOT NULL REFERENCES users(user_id) ON UPDATE NO ACTION ON DELETE CASCADE,
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note_added TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT now(),
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note_text TEXT NOT NULL,
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PRIMARY KEY(note_id)
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);
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GRANT SELECT,INSERT,UPDATE,DELETE ON notes TO :webapp_user;
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