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Database schema
The database schema is created when the com2pgsql project has been run. Below is a list of tables and information regarding the records that are stored in each along with their description.
##Items This table contains information of a communication Item. A communication Item is a basic structure of communication network. Everything is an Item. A Thread is an Item, an Email is an Item and an Issue is an item etc.
| Column | Type | Modifiers |
| p_id | integer | not null |
| item_date | timestamp with time zone | not null |
| item_id | integer | not null auto increment |
| body | text | |
| title | text | |
| type | varchar(255) |
###Notes:
Indexes:
"items_pkey"PRIMARY KEY, btree (item_id)
Foreign-key constraints:
"items_p_id_fkey"FOREIGN KEY (p_id) REFERENCES people(p_id) ON DELETE CASCADE
Referenced by:
TABLE "attachments"CONSTRAINT"attachments_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)
TABLE "dependencies"CONSTRAINT"dependencies_depends_on_id_fkey"FOREIGN KEY (depends_on_id) REFERENCES items(item_id)
TABLE "dependencies"CONSTRAINT"dependencies_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)
TABLE "issues"CONSTRAINT"issues_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)
TABLE "links"CONSTRAINT"links_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id) ON DELETE CASCADE
TABLE "silents"CONSTRAINT"silents_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)
TABLE "threads"CONSTRAINT"threads_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id) ON DELETE CASCADE
TABLE "threads"CONSTRAINT"threads_thread_id_fkey"FOREIGN KEY (thread_id) REFERENCES items(item_id) ON DELETE CASCADE##Threads This table contains one-to-many relationship between a Thread and other communication Items. A Thread is a communication Item, which can be an Issue or initial Email.
| Column | Type | Modifiers |
| item_id | integer | not null |
| thread_id | integer | not null default auto increment |
###Notes
Indexes:
"threads_pkey"PRIMARY KEY, btree (item_id, thread_id)
Foreign-key constraints:
"threads_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id) ON DELETE CASCADE"threads_thread_id_fkey"FOREIGN KEY (thread_id) REFERENCES items(item_id) ON DELETE CASCADE##Issues The table contains Issue information. An Issue is a Bug Thread which can link to one to many communication items.
| Column | Type | Modifiers |
| item_id | integer | not null |
| status | varchar(255) | |
| assignee_id | integer | |
| creation_ts | time stamp with timezone | created time |
| last_modified_ts | time stamp with timezone | last modified time |
| title | varchar(512) | |
| description | text | |
| creator_id | integer | |
| keywords | varchar(512) | classification of the issue |
| issue_num | varchar(64) | unique identifier of an issue in the tracking system |
###Notes
Foreign-key constraints:
"issues_assignee_id_fkey"FOREIGN KEY (assignee_id) REFERENCES people(p_id)
"issues_creator_id_fkey"FOREIGN KEY (creator_id) REFERENCES people(p_id)
"issues_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)##People This table contains the information of a person, name and email. Email is considered as unique identifier for a person when linking to technical network.
| Column | Type | Modifiers |
| p_id | integer | not null default auto increment |
| name | varchar(255) | not null |
| varchar(255) | not null |
###Notes
Indexes:
"people_pkey"PRIMARY KEY, btree (p_id)
Referenced by:
TABLE "issues"CONSTRAINT"issues_assignee_id_fkey"FOREIGN KEY (assignee_id) REFERENCES people(p_id)
TABLE "issues"CONSTRAINT"issues_creator_id_fkey"FOREIGN KEY (creator_id) REFERENCES people(p_id)
TABLE "items"CONSTRAINT"items_p_id_fkey"FOREIGN KEY (p_id) REFERENCES people(p_id) ON DELETE CASCADE
TABLE "silents"CONSTRAINT"silents_p_id_fkey"FOREIGN KEY (p_id) REFERENCES people(p_id)##Silents This table contains list of subscribers/followers of an item. These followers are not necessarily participate in the item discussion but they are aware of what's going on.
| Column | Type | Modifiers |
| item_id | integer | not null |
| p_id | integer | not null |
###Notes Not used for now
Foreign-key constraints:
"silents_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)
"silents_p_id_fkey"FOREIGN KEY (p_id) REFERENCES people(p_id)##Links This table contains the result of the com2pgsql. It contains links between communication items and commits. This is a many-to-many relationship.
| Column | Type | Modifiers |
| item_id | integer | not null |
| commit_id | varchar(255) | not null |
| confidence | real | not null |
###Notes
Indexes:
"links_pkey"PRIMARY KEY, btree (item_id, commit_id)
Foreign-key constraints:
"links_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id) ON DELETE CASCADE##Attachments This table contains the attachments of an item. Item-Attachment is one to many relationship.
| Column | Type | Modifiers |
| item_id | integer | not null |
| title | varchar(512) | |
| body | text |
###Notes Not used for now
Foreign-key constraints:
"attachments_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)##Dependencies This table contains the link between items. An item can be linked to other items in a parent-child relationship or sibling relationship.
| Column | Type | Modifiers |
| item_id | integer | not null |
| depends_on_id | integer | not null |
###Notes Not used for now
Foreign-key constraints:
"dependencies_depends_on_id_fkey"FOREIGN KEY (depends_on_id) REFERENCES items(item_id)
"dependencies_item_id_fkey"FOREIGN KEY (item_id) REFERENCES items(item_id)##Frequency This table contains the link between an item and a commit id. This is many-to-many relationship.
| Column | Type | Modifiers |
| item_id | integer | |
| commit_id | varchar(255) |
###Notes Not used for now