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package store
import (
"context"
"database/sql"
"errors"
)
// Meta reads a value from the meta table; missing keys return "".
func (q *Queries) Meta(ctx context.Context, key string) (string, error) {
var v string
err := q.q.QueryRowContext(ctx, `SELECT value FROM meta WHERE key = ?`, key).Scan(&v)
if errors.Is(err, sql.ErrNoRows) {
return "", nil
}
return v, err
}
// SetMeta writes a value to the meta table.
func (q *Queries) SetMeta(ctx context.Context, key, value string) error {
_, err := q.q.ExecContext(ctx,
`INSERT INTO meta (key, value) VALUES (?, ?) ON CONFLICT (key) DO UPDATE SET value = excluded.value`, key, value)
return err
}
|