forked from canonical/lxd
/
db_config.go
61 lines (50 loc) · 1007 Bytes
/
db_config.go
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package main
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
func dbConfigValuesGet(db *sql.DB) (map[string]string, error) {
q := "SELECT key, value FROM config"
rows, err := dbQuery(db, q)
if err != nil {
return map[string]string{}, err
}
defer rows.Close()
results := map[string]string{}
for rows.Next() {
var key, value string
rows.Scan(&key, &value)
results[key] = value
}
return results, nil
}
func dbConfigValueSet(db *sql.DB, key string, value string) error {
tx, err := dbBegin(db)
if err != nil {
return err
}
_, err = tx.Exec("DELETE FROM config WHERE key=?", key)
if err != nil {
tx.Rollback()
return err
}
if value != "" {
str := `INSERT INTO config (key, value) VALUES (?, ?);`
stmt, err := tx.Prepare(str)
if err != nil {
tx.Rollback()
return err
}
defer stmt.Close()
_, err = stmt.Exec(key, value)
if err != nil {
tx.Rollback()
return err
}
}
err = txCommit(tx)
if err != nil {
return err
}
return nil
}