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Commit 39ae664

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add some mysql examples && sql injection protection
1 parent 8192ffd commit 39ae664

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51 files changed

+3138
-475
lines changed

‎Makefile

Lines changed: 6 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,10 @@
1-
.PHONY : init sqlboiler run all
1+
.PHONY : init sqlboiler sqlc run all
22

33
init:
44
go install github.com/kyleconroy/sqlc/cmd/sqlc@latest
55
go get -u gorm.io/gorm
66
go get -u gorm.io/driver/postgres
7+
go get -u gorm.io/driver/mysql
78
go install github.com/volatiletech/sqlboiler/v4@latest
89
go install github.com/volatiletech/sqlboiler/v4/drivers/sqlboiler-psql@latest
910
go get -d entgo.io/ent/cmd/ent
@@ -12,9 +13,11 @@ init:
1213
sqlboiler:
1314
sqlboiler --output db/sqlboiler/models psql
1415

15-
check: sqlboiler
16-
go generate ./...
16+
sqlc:
1717
sqlc generate
18+
19+
check: sqlboiler sqlc
20+
go generate ./...
1821
go mod tidy
1922
go vet ./...
2023
go fmt ./...

‎README.md

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ Examples of using various popular database libraries and ORM in Go.
44

55
- [sqlx](https://jmoiron.github.io/sqlx/)
66
- [sqlc](https://docs.sqlc.dev)
7+
- [squirrel](https://github.com/Masterminds/squirrel)
78
- [Gorm](https://github.com/go-gorm/gorm)
89
- [sqlboiler](https://github.com/volatiletech/sqlboiler)
910
- [ent](https://entgo.io/docs/getting-started)
@@ -14,7 +15,7 @@ The aim is to demonstrate and compare usage for several operations
1415
2. 1-to-Many queries
1516
3. Many-to-many queries
1617
4. Dynamic list filter from query parameter
17-
5. Transaction
18+
5. (Coming) Transaction
1819

1920
# Schema
2021

@@ -35,7 +36,7 @@ Setup postgres database by either running from docker-compose or manually.
3536

3637
This creates both `postgres` database (which this repo uses) and `ent` database which is used by ent ORM.
3738

38-
If you create the database manually, execute the `database/01-schema.sql` script.
39+
If you create the database manually, execute the `database/01-postgres-schema.sql` script.
3940

4041
Default database credentials are defined in `config/config.go`. These can be overwritten by setting environment variables. For example:
4142

‎config/config.go

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,9 @@
11
package config
22

33
import (
4+
"log"
5+
6+
"github.com/joho/godotenv"
47
"github.com/kelseyhightower/envconfig"
58
)
69

@@ -9,15 +12,21 @@ type Configuration struct {
912
}
1013

1114
type Database struct {
15+
Type string `default:"postgres"`
1216
Host string `default:"localhost"`
1317
Port int `default:"5432"`
14-
User string `default:"user"`
1518
Name string `default:"db_test"`
19+
User string `default:"user"`
1620
Password string `default:"password"`
1721
SSLMode string `default:"disable"`
1822
}
1923

2024
func New() *Configuration {
25+
err := godotenv.Load()
26+
if err != nil {
27+
log.Println(err)
28+
}
29+
2130
cfg := &Configuration{
2231
DB: DB(),
2332
}

‎database/01-mariadb-schema.sql

Lines changed: 135 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,135 @@
1+
CREATE TABLE IF NOT EXISTS countries
2+
(
3+
id bigint unsigned not null auto_increment primary key,
4+
code text not null,
5+
name text not null
6+
);
7+
8+
CREATE TABLE IF NOT EXISTS addresses
9+
(
10+
id bigint unsigned not null auto_increment primary key,
11+
line_1 text not null,
12+
line_2 text,
13+
postcode int,
14+
city text,
15+
state text,
16+
country_id bigint unsigned,
17+
18+
constraint addresses_countries_id_fk foreign key(country_id)
19+
references countries(id) ON DELETE CASCADE
20+
);
21+
22+
CREATE TABLE IF NOT EXISTS users
23+
(
24+
id bigint unsigned not null auto_increment primary key,
25+
first_name text not null,
26+
middle_name text,
27+
last_name text not null,
28+
email text not null unique,
29+
password text not null,
30+
favourite_colour enum ('red', 'green', 'blue') not null
31+
);
32+
33+
CREATE TABLE IF NOT EXISTS user_addresses
34+
(
35+
user_id bigint unsigned,
36+
address_id bigint unsigned,
37+
38+
constraint user_addresses_users_id_fk foreign key (user_id)
39+
references users(id) ON DELETE CASCADE,
40+
constraint user_addresses_addresses_id_fk foreign key (address_id)
41+
references addresses(id) ON DELETE CASCADE,
42+
constraint user_addresses_pk
43+
primary key (user_id, address_id)
44+
);
45+
46+
INSERT INTO countries (code, name)
47+
VALUES ('AU', 'Australia');
48+
INSERT INTO countries (code, name)
49+
VALUES ('MY', 'Malaysia');
50+
INSERT INTO countries (code, name)
51+
VALUES ('ID', 'Indonesia');
52+
53+
INSERT INTO addresses (line_1, line_2, postcode, city, state, country_id)
54+
VALUES ('Sydney Opera House', 'Bennelong Point', 2000, 'Sydney', 'NSW', 1);
55+
INSERT INTO addresses (line_1, line_2, postcode, city, state, country_id)
56+
VALUES ('Petronas Twin Towers', '', 50088, 'Kuala Lumpur',
57+
'Wilayah Persekutuan', 2);
58+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
59+
VALUES ('John', 'Doe', 'john@example.com',
60+
'$argon2id$v=19$m=16,t=2,p=1$SHVrWmRXc2tqOW5TWmVrRw$QCPRZ0MmOB/AEEMVB1LudA',
61+
'blue');
62+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
63+
VALUES ('Jane', 'Doe', 'jane@example.com',
64+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
65+
'blue');
66+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
67+
VALUES ('Jake', 'Doe', 'jake@example.com',
68+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
69+
'blue');
70+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
71+
VALUES ('Alice', 'Doe', 'alice@example.com',
72+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
73+
'blue');
74+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
75+
VALUES ('Bob', 'Doe', 'bob@example.com',
76+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
77+
'blue');
78+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
79+
VALUES ('Charlie', 'Doe', 'charlie@example.com',
80+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
81+
'blue');
82+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
83+
VALUES ('Duncan', 'Doe', 'duncan@example.com',
84+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
85+
'blue');
86+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
87+
VALUES ('Eric', 'Doe', 'eric@example.com',
88+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
89+
'blue');
90+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
91+
VALUES ('Finn', 'Doe', 'Finn@example.com',
92+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
93+
'blue');
94+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
95+
VALUES ('Garry', 'Doe', 'garry@example.com',
96+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
97+
'blue');
98+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
99+
VALUES ('Holden', 'Doe', 'holden@example.com',
100+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
101+
'blue');
102+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
103+
VALUES ('Ivy', 'Doe', 'ivy@example.com',
104+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
105+
'blue');
106+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
107+
VALUES ('Jeff', 'Donovan', 'jeff@example.com',
108+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
109+
'blue');
110+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
111+
VALUES ('Bruce', 'Campbell', 'bruce@example.com',
112+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
113+
'blue');
114+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
115+
VALUES ('Gabrielle', 'Anwar', 'gabrielle@example.com',
116+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
117+
'red');
118+
119+
120+
INSERT INTO user_addresses (user_id, address_id)
121+
VALUES (1, 1);
122+
INSERT INTO user_addresses (user_id, address_id)
123+
VALUES (2, 2);
124+
INSERT INTO user_addresses (user_id, address_id)
125+
VALUES (2, 1);
126+
127+
CREATE VIEW country_address as
128+
select c.id,
129+
c.code,
130+
c.name,
131+
(select json_arrayagg(json_object(
132+
a.id, a.line_1, a.line_1, a.postcode, a.city, a.state))
133+
from addresses a
134+
where c.id = a.country_id)
135+
from countries AS c;

‎database/01-postgres-schema.sql

Lines changed: 40 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS addresses
1414
id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
1515
line_1 text not null,
1616
line_2 text,
17-
postcode int,
17+
postcode int,
1818
city text,
1919
state text,
2020
country_id bigint
@@ -31,7 +31,7 @@ CREATE TABLE IF NOT EXISTS users
3131
last_name text not null,
3232
email text not null unique,
3333
password text not null,
34-
favourite_colour valid_colours default 'green'::valid_colours null
34+
favourite_colour valid_colours default 'green'::valid_colours not null
3535
);
3636

3737
CREATE TABLE IF NOT EXISTS user_addresses
@@ -58,42 +58,54 @@ VALUES ('Sydney Opera House', 'Bennelong Point', 2000, 'Sydney', 'NSW', 1);
5858
INSERT INTO addresses (line_1, line_2, postcode, city, state, country_id)
5959
VALUES ('Petronas Twin Towers', '', 50088, 'Kuala Lumpur',
6060
'Wilayah Persekutuan', 2);
61-
INSERT INTO users (first_name, last_name, email, password)
61+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
6262
VALUES ('John', 'Doe', 'john@example.com',
63-
'$argon2id$v=19$m=16,t=2,p=1$SHVrWmRXc2tqOW5TWmVrRw$QCPRZ0MmOB/AEEMVB1LudA');
64-
INSERT INTO users (first_name, last_name, email, password)
63+
'$argon2id$v=19$m=16,t=2,p=1$SHVrWmRXc2tqOW5TWmVrRw$QCPRZ0MmOB/AEEMVB1LudA',
64+
'blue');
65+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
6566
VALUES ('Jane', 'Doe', 'jane@example.com',
66-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
67-
INSERT INTO users (first_name, last_name, email, password)
67+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
68+
'blue');
69+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
6870
VALUES ('Jake', 'Doe', 'jake@example.com',
69-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
70-
INSERT INTO users (first_name, last_name, email, password)
71+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
72+
'blue');
73+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
7174
VALUES ('Alice', 'Doe', 'alice@example.com',
72-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
73-
INSERT INTO users (first_name, last_name, email, password)
75+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
76+
'blue');
77+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
7478
VALUES ('Bob', 'Doe', 'bob@example.com',
75-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
76-
INSERT INTO users (first_name, last_name, email, password)
79+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
80+
'blue');
81+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
7782
VALUES ('Charlie', 'Doe', 'charlie@example.com',
78-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
79-
INSERT INTO users (first_name, last_name, email, password)
83+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
84+
'blue');
85+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
8086
VALUES ('Duncan', 'Doe', 'duncan@example.com',
81-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
82-
INSERT INTO users (first_name, last_name, email, password)
87+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
88+
'blue');
89+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
8390
VALUES ('Eric', 'Doe', 'eric@example.com',
84-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
85-
INSERT INTO users (first_name, last_name, email, password)
91+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
92+
'blue');
93+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
8694
VALUES ('Finn', 'Doe', 'Finn@example.com',
87-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
88-
INSERT INTO users (first_name, last_name, email, password)
95+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
96+
'blue');
97+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
8998
VALUES ('Garry', 'Doe', 'garry@example.com',
90-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
91-
INSERT INTO users (first_name, last_name, email, password)
99+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
100+
'blue');
101+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
92102
VALUES ('Holden', 'Doe', 'holden@example.com',
93-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
94-
INSERT INTO users (first_name, last_name, email, password)
103+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
104+
'blue');
105+
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
95106
VALUES ('Ivy', 'Doe', 'ivy@example.com',
96-
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg');
107+
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
108+
'blue');
97109
INSERT INTO users (first_name, last_name, email, password, favourite_colour)
98110
VALUES ('Jeff', 'Donovan', 'jeff@example.com',
99111
'$argon2id$v=19$m=16,t=2,p=1$UDB3RXNPd3ZEWHQ4ZTRNVg$LhHurQuz9Q9dDEG1VNzbFg',
@@ -128,4 +140,6 @@ select c.id,
128140
) addresslist) as address
129141
from countries AS c;
130142

143+
CREATE COLLATION case_insensitive (provider = icu, locale = 'und-u-ks-level2', deterministic = false);
144+
131145
COMMIT;

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