Method join

dialect/sql/builder.go:3244–3265

join a list of Queries to the builder with a given separator.

(qs []Querier, sep string)

// join a list of Queries to the builder with a given separator.
func (b *Builder) join(qs []Querier, sep string) *Builder {
	for i, q := range qs {
		if i > 0 {
			b.WriteString(sep)
		}
		st, ok := q.(state)
		if ok {
			st.SetDialect(b.dialect)
			st.SetTotal(b.total)
		}
		query, args := q.Query()
		b.WriteString(query)
		b.args = append(b.args, args...)
		b.total += len(args)
		if qe, ok := q.(querierErr); ok {
			if err := qe.Err(); err != nil {
				b.AddError(err)
			}
		}
	}
	return b
}

// Wrap gets a callback, and wraps its result with parentheses.
func (b *Builder) Wrap(f func(*Builder)) *Builder {