started rewrite into golang

This commit is contained in:
2024-09-27 16:33:15 +02:00
parent 1e5b09db38
commit c6ebde6b7b
3 changed files with 109 additions and 0 deletions

11
go.mod Normal file
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module hentai
go 1.23.1
require github.com/ncruces/go-sqlite3 v0.18.3
require (
github.com/ncruces/julianday v1.0.0 // indirect
github.com/tetratelabs/wazero v1.8.0 // indirect
golang.org/x/sys v0.25.0 // indirect
)

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go.sum Normal file
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github.com/ncruces/go-sqlite3 v0.18.3 h1:tyMa75uh7LcINcfo0WrzOvcTkfz8Hqu0TEPX+KVyes4=
github.com/ncruces/go-sqlite3 v0.18.3/go.mod h1:HAwOtA+cyEX3iN6YmkpQwfT4vMMgCB7rQRFUdOgEFik=
github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M=
github.com/ncruces/julianday v1.0.0/go.mod h1:Dusn2KvZrrovOMJuOt0TNXL6tB7U2E8kvza5fFc9G7g=
github.com/tetratelabs/wazero v1.8.0 h1:iEKu0d4c2Pd+QSRieYbnQC9yiFlMS9D+Jr0LsRmcF4g=
github.com/tetratelabs/wazero v1.8.0/go.mod h1:yAI0XTsMBhREkM/YDAK/zNou3GoiAce1P6+rp/wQhjs=
golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

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main.go Normal file
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package main
import (
"log"
"github.com/ncruces/go-sqlite3"
_ "github.com/ncruces/go-sqlite3/embed"
)
const memory = ":memory:"
func main() {
db, err := sqlite3.Open(memory)
if err != nil {
log.Fatal(err)
}
/* Not necessary because I am currently saving the db in memory
sqlstmt := `
DROP TABLE IF EXISTS artists;
DROP TABLE IF EXISTS websites;
DROP TABLE IF EXISTS links;
`
err = db.Exec(sqlstmt)
if err != nil {
log.Fatal(err)
}
*/
sqlstmt := `
CREATE TABLE IF NOT EXISTS artists (
id integer NOT NULL CONSTRAINT artists_pk PRIMARY KEY AUTOINCREMENT,
name text NOT NULL
);
CREATE TABLE IF NOT EXISTS websites (
id integer NOT NULL CONSTRAINT websites_pk PRIMARY KEY AUTOINCREMENT,
name text NOT NULL
);
CREATE TABLE IF NOT EXISTS links (
id integer NOT NULL CONSTRAINT links_pk PRIMARY KEY AUTOINCREMENT,
url text NOT NULL,
websites_id integer NOT NULL,
artists_id integer NOT NULL,
CONSTRAINT links_artists FOREIGN KEY (artists_id)
REFERENCES artists (id),
CONSTRAINT links_websites FOREIGN KEY (websites_id)
REFERENCES websites (id)
);
`
err = db.Exec(sqlstmt)
if err != nil {
log.Fatal(err)
}
/*
err = db.Exec(`INSERT INTO users (id, name) VALUES (0, 'go'), (1, 'zig'), (2, 'whatever')`)
if err != nil {
log.Fatal(err)
}
*/
sqlstmt = `
SELECT name
FROM sqlite_schema
WHERE type ='table' AND name NOT LIKE 'sqlite_%';
`
stmt, _, err := db.Prepare(sqlstmt)
if err != nil {
log.Fatal(err)
}
defer stmt.Close()
for stmt.Step() {
log.Println("created table:", stmt.ColumnText(0))
}
if err := stmt.Err(); err != nil {
log.Fatal(err)
}
err = stmt.Close()
if err != nil {
log.Fatal(err)
}
err = db.Close()
if err != nil {
log.Fatal(err)
}
}