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https://github.com/go-sylixos/elvish.git
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92fb6e5161
This fixes #15. Only string is supported ATM.
36 lines
809 B
Go
36 lines
809 B
Go
package store
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import (
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"database/sql"
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"errors"
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)
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var ErrNoVar = errors.New("no such variable")
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func init() {
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initTable["shared"] = func(db *sql.DB) error {
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_, err := db.Exec(`create table if not exists shared_var (name text unique primary key, value text)`)
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return err
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}
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}
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func (s *Store) GetSharedVar(n string) (string, error) {
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row := s.db.QueryRow(`select value from shared_var where name = ?`, n)
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var value string
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err := row.Scan(&value)
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if err == sql.ErrNoRows {
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err = ErrNoVar
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}
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return value, err
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}
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func (s *Store) SetSharedVar(n, v string) error {
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_, err := s.db.Exec(`insert or replace into shared_var (name, value) values (?, ?)`, n, v)
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return err
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}
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func (s *Store) DelSharedVar(n string) error {
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_, err := s.db.Exec(`delete from shared_var where name = ?`, n)
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return err
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}
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