1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from . import get_db_type
SQL = {
"sqlite": [ """
CREATE TABLE "email_full" (
list_name VARCHAR(255) NOT NULL,
message_id VARCHAR(255) NOT NULL,
"full" BLOB NOT NULL,
PRIMARY KEY (list_name, message_id),
FOREIGN KEY (list_name, message_id)
REFERENCES email(list_name, message_id) ON DELETE CASCADE
);""",
'INSERT INTO "email_full" SELECT list_name, message_id, "full" FROM "email";'
# No 'ALTER TABLE DROP COLUMN' in SQLite
],
"postgres": [ """
CREATE TABLE "email_full" (
list_name VARCHAR(255) NOT NULL,
message_id VARCHAR(255) NOT NULL,
"full" BYTEA NOT NULL,
PRIMARY KEY (list_name, message_id),
FOREIGN KEY (list_name, message_id)
REFERENCES email(list_name, message_id) ON DELETE CASCADE
);""",
'INSERT INTO "email_full" SELECT list_name, message_id, "full" FROM "email";'
'ALTER TABLE "email" DROP COLUMN "full";',
],
"mysql": [ """
CREATE TABLE `email_full` (
list_name VARCHAR(255) NOT NULL,
message_id VARCHAR(255) NOT NULL,
`full` BLOB NOT NULL,
PRIMARY KEY (list_name, message_id),
FOREIGN KEY (list_name, message_id)
REFERENCES email(list_name, message_id) ON DELETE CASCADE
);""",
'INSERT INTO `email_full` SELECT list_name, message_id, `full` FROM `email`;'
],
}
def apply(store):
"""Add the thread table"""
dbtype = get_db_type(store)
for statement in SQL[dbtype]:
store.execute(statement)
store.commit()
|
