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normalized schema

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This commit is contained in:
Wolfgang Hottgenroth
2019-10-10 09:40:24 +00:00
parent 47a91f2db4
commit ae3bbd1453
2 changed files with 54 additions and 22 deletions
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28
create-schema.sql
View File

@ -1,17 +1,33 @@
CREATE TABLE users (
CREATE TABLE users_t (
id INTEGER AUTO_INCREMENT,
username VARCHAR(25) NOT NULL,
pw VARCHAR(512) NOT NULL,
super INT(1) NOT NULL DEFAULT 0,
PRIMARY KEY (id)
);
CREATE UNIQUE INDEX users_username ON users (username);
CREATE UNIQUE INDEX users_username ON users_t (username);
CREATE TABLE acls (
CREATE OR REPLACE VIEW users AS
SELECT username, pw, super
FROM users_t;
CREATE TABLE acls_t (
id INTEGER AUTO_INCREMENT,
username VARCHAR(25) NOT NULL,
user INTEGER NOT NULL,
topic VARCHAR(256) NOT NULL,
rw INTEGER(1) NOT NULL DEFAULT 1, -- 1 is read, 2 is write, 3 is readwrite, 4 is subscribe
PRIMARY KEY (id)
PRIMARY KEY (id),
CONSTRAINT `fk_book_author`
FOREIGN KEY (user) REFERENCES users_t (id)
ON DELETE CASCADE
ON UPDATE CASCADE
);
CREATE UNIQUE INDEX acls_user_topic ON acls (username, topic(228));
CREATE UNIQUE INDEX acls_user_topic ON acls_t (user, topic);
CREATE OR REPLACE VIEW acls AS
SELECT a.topic, a.rw,
u.username
FROM users_t u, acls_t a
WHERE a.user = u.id;

48
readme.md
View File

@ -84,23 +84,39 @@ Actually, it appears to me that the meaning of this attribute has to be interpre
The required schema in the database is
CREATE TABLE users (
id INTEGER AUTO_INCREMENT,
username VARCHAR(25) NOT NULL,
pw VARCHAR(512) NOT NULL,
super INT(1) NOT NULL DEFAULT 0,
PRIMARY KEY (id)
);
CREATE UNIQUE INDEX users_username ON users (username);
CREATE TABLE acls (
id INTEGER AUTO_INCREMENT,
username VARCHAR(25) NOT NULL,
topic VARCHAR(256) NOT NULL,
rw INTEGER(1) NOT NULL DEFAULT 1, -- 1 is read, 2 is write, 3 is readwrite, 4 is subscribe
PRIMARY KEY (id)
);
CREATE UNIQUE INDEX acls_user_topic ON acls (username, topic(228));
CREATE TABLE users_t (
id INTEGER AUTO_INCREMENT,
username VARCHAR(25) NOT NULL,
pw VARCHAR(512) NOT NULL,
super INT(1) NOT NULL DEFAULT 0,
PRIMARY KEY (id)
);
CREATE UNIQUE INDEX users_username ON users_t (username);
CREATE OR REPLACE VIEW users AS
SELECT username, pw, super
FROM users_t;
CREATE TABLE acls_t (
id INTEGER AUTO_INCREMENT,
user INTEGER NOT NULL,
topic VARCHAR(256) NOT NULL,
rw INTEGER(1) NOT NULL DEFAULT 1, -- 1 is read, 2 is write, 3 is readwrite, 4 is subscribe
PRIMARY KEY (id),
CONSTRAINT `fk_book_author`
FOREIGN KEY (user) REFERENCES users_t (id)
ON DELETE CASCADE
ON UPDATE CASCADE
);
CREATE UNIQUE INDEX acls_user_topic ON acls_t (user, topic);
CREATE OR REPLACE VIEW acls AS
SELECT a.topic, a.rw,
u.username
FROM users_t u, acls_t a
WHERE a.user = u.id;
The password is generated using the `pw` tool provided by mosquitto-go-auth, which is included in the image at `/opt/bin`. It can be used either within the container using `docker exec -it <mosquitto-container> /opt/bin/pw`. You may also try to copy it from the container onto your Linux host. It should run, since it is only linked against typical Linux libraries, however, I wouldn't do that.