inline3

type DBQuerier struct {
	// contains filtered or unexported fields
}

type FindAuthorByIDRow struct {
	AuthorID  int32   `json:"author_id"`
	FirstName string  `json:"first_name"`
	LastName  string  `json:"last_name"`
	Suffix    *string `json:"suffix"`
}

type Querier interface {
	// CountAuthors returns the number of authors (zero params).
	CountAuthors(ctx context.Context) (*int, error)

	// FindAuthorById finds one (or zero) authors by ID (one param).
	FindAuthorByID(ctx context.Context, authorID int32) (FindAuthorByIDRow, error)

	// InsertAuthor inserts an author by name and returns the ID (two params).
	InsertAuthor(ctx context.Context, firstName string, lastName string) (int32, error)

	// DeleteAuthorsByFullName deletes authors by the full name (three params).
	DeleteAuthorsByFullName(ctx context.Context, firstName string, lastName string, suffix string) (pgconn.CommandTag, error)
}