69 lines
1.1 KiB
Go
69 lines
1.1 KiB
Go
package main
|
|
|
|
import (
|
|
"database/sql"
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"strings"
|
|
|
|
_ "github.com/mattn/go-sqlite3"
|
|
)
|
|
|
|
func main() {
|
|
dbpath := flag.String("db", "./db.db", "path to db file")
|
|
q := flag.String("q", "show tables", "query to execute")
|
|
flag.Parse()
|
|
|
|
db, err := sql.Open("sqlite3", *dbpath)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
query := strings.Trim(strings.TrimSpace(*q), ";") + ";"
|
|
|
|
if strings.HasPrefix(strings.ToUpper(strings.TrimSpace(query)), "SELECT") {
|
|
rows, err := db.Query(query)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer rows.Close()
|
|
|
|
columns, err := rows.Columns()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
ptrs := make([]any, len(columns))
|
|
for i := range ptrs {
|
|
var v interface{}
|
|
ptrs[i] = &v
|
|
}
|
|
|
|
for rows.Next() {
|
|
if err := rows.Scan(ptrs...); err != nil {
|
|
panic(err)
|
|
}
|
|
for i := range ptrs {
|
|
ptr := ptrs[i].(*interface{})
|
|
columns[i] = fmt.Sprint(*ptr)
|
|
}
|
|
log.Println(columns)
|
|
}
|
|
} else {
|
|
stmt, err := db.Prepare(query)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
result, err := stmt.Exec()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
affected, err := result.RowsAffected()
|
|
log.Printf("%d: %v", affected, err)
|
|
}
|
|
|
|
}
|