sqlc-go-one-or-fail modifies the Go code generated by sqlc to fail if more than one record is retrieved in the :one command.
$ sqlc generate
$ sqlc-go-one-or-fail path/to/generated_by_sqlc/*.goconst getAuthorByName = `-- name: GetAuthorByName :one
SELECT id, name, bio FROM authors
WHERE name = ?
`
func (q *Queries) GetAuthorByName(ctx context.Context, name string) (Author, error) {
row := q.db.QueryRowContext(ctx, getAuthorByName, name)
var i Author
err := row.Scan(&i.ID, &i.Name, &i.Bio)
return i, err
}const getAuthorByName = `-- name: GetAuthorByName :one
SELECT id, name, bio FROM authors
WHERE name = ?
`
func (q *Queries) GetAuthorByName(ctx context.Context, name string) (Author, error) {
rows, err := q.db.QueryContext(ctx, getAuthorByName, name)
if err != nil {
return Author{}, err
}
defer rows.Close()
if !rows.Next() {
if err := rows.Err(); err != nil {
return Author{}, err
}
return Author{}, sql.ErrNoRows
}
var i Author
if err := rows.Scan(&i.ID, &i.Name, &i.Bio); err != nil {
return Author{}, err
}
if rows.Next() {
return Author{}, fmt.Errorf("multiple records were retrieved when the following query was executed: %q", getAuthorByName)
}
if err := rows.Close(); err != nil {
return Author{}, err
}
if err := rows.Err(); err != nil {
return Author{}, err
}
return i, err
}deb:
$ export SQLC_GO_ONE_OR_FAIL_VERSION=X.X.X
$ curl -o sqlc-go-one-or-fail.deb -L https://github.com/k1LoW/sqlc-go-one-or-fail/releases/download/v$SQLC_GO_ONE_OR_FAIL_VERSION/sqlc-go-one-or-fail_$SQLC_GO_ONE_OR_FAIL_VERSION-1_amd64.deb
$ dpkg -i sqlc-go-one-or-fail.debRPM:
$ export SQLC_GO_ONE_OR_FAIL_VERSION=X.X.X
$ yum install https://github.com/k1LoW/sqlc-go-one-or-fail/releases/download/v$SQLC_GO_ONE_OR_FAIL_VERSION/sqlc-go-one-or-fail_$SQLC_GO_ONE_OR_FAIL_VERSION-1_amd64.rpmapk:
$ export SQLC_GO_ONE_OR_FAIL_VERSION=X.X.X
$ curl -o sqlc-go-one-or-fail.apk -L https://github.com/k1LoW/sqlc-go-one-or-fail/releases/download/v$SQLC_GO_ONE_OR_FAIL_VERSION/runn_$SQLC_GO_ONE_OR_FAIL_VERSION-1_amd64.apk
$ apk add sqlc-go-one-or-fail.apkhomebrew tap:
$ brew install k1LoW/tap/sqlc-go-one-or-failmanually:
Download binary from releases page
go install:
$ go install github.com/k1LoW/sqlc-go-one-or-fail@latest