mail based rss feed aggregator
add unique constraints all over
+14
-10
+7
-5
db/migrations/20260331190734_initialize.sql
+7
-5
db/migrations/20260331190734_initialize.sql
···
16
16
-- migrate:up
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17
CREATE TABLE users
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(
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-
id uuid PRIMARY KEY NOT NULL,
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-
email TEXT NOT NULL
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+
id uuid PRIMARY KEY NOT NULL UNIQUE,
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+
email TEXT NOT NULL UNIQUE
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);
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22
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CREATE TABLE subscriptions
···
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user_id uuid NOT NULL,
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feed_id uuid NOT NULL,
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FOREIGN KEY(user_id) REFERENCES users(id),
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-
FOREIGN KEY(feed_id) REFERENCES feeds(id)
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+
FOREIGN KEY(feed_id) REFERENCES feeds(id),
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+
UNIQUE(user_id, feed_id)
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);
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CREATE TABLE feeds
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(
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id uuid PRIMARY KEY NOT NULL,
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-
link TEXT NOT NULL,
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+
link TEXT NOT NULL UNIQUE,
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skip_n_times INT NOT NULL,
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failed_n_times INT NOT NULL
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);
···
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(
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user_id uuid NOT NULL,
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link_to_post TEXT NOT NULL,
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-
FOREIGN KEY (user_id) REFERENCES users (id)
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+
FOREIGN KEY (user_id) REFERENCES users (id),
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+
UNIQUE(user_id, link_to_post)
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);
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+7
-5
db/schema.sql
+7
-5
db/schema.sql
···
1
1
CREATE TABLE IF NOT EXISTS "schema_migrations" (version varchar(128) primary key);
2
2
CREATE TABLE users
3
3
(
4
-
id uuid PRIMARY KEY NOT NULL,
5
-
email TEXT NOT NULL
4
+
id uuid PRIMARY KEY NOT NULL UNIQUE,
5
+
email TEXT NOT NULL UNIQUE
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6
);
7
7
CREATE TABLE subscriptions
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8
(
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9
user_id uuid NOT NULL,
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10
feed_id uuid NOT NULL,
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11
FOREIGN KEY(user_id) REFERENCES users(id),
12
-
FOREIGN KEY(feed_id) REFERENCES feeds(id)
12
+
FOREIGN KEY(feed_id) REFERENCES feeds(id),
13
+
UNIQUE(user_id, feed_id)
13
14
);
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15
CREATE TABLE feeds
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16
(
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17
id uuid PRIMARY KEY NOT NULL,
17
-
link TEXT NOT NULL,
18
+
link TEXT NOT NULL UNIQUE,
18
19
skip_n_times INT NOT NULL,
19
20
failed_n_times INT NOT NULL
20
21
);
···
22
23
(
23
24
user_id uuid NOT NULL,
24
25
link_to_post TEXT NOT NULL,
25
-
FOREIGN KEY (user_id) REFERENCES users (id)
26
+
FOREIGN KEY (user_id) REFERENCES users (id),
27
+
UNIQUE(user_id, link_to_post)
26
28
);
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-- Dbmate schema migrations
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INSERT INTO "schema_migrations" (version) VALUES