Function formatCandidates

pkg/sql/sem/tree/overload.go:862–886

(prefix string, candidates []overloadImpl)

}

func formatCandidates(prefix string, candidates []overloadImpl) string {
	var buf bytes.Buffer
	for _, candidate := range candidates {
		buf.WriteString(prefix)
		buf.WriteByte('(')
		params := candidate.params()
		tLen := params.Length()
		inputTyps := make([]TypedExpr, tLen)
		for i := 0; i < tLen; i++ {
			t := params.GetAt(i)
			inputTyps[i] = &TypedDummy{Typ: t}
			if i > 0 {
				buf.WriteString(", ")
			}
			buf.WriteString(t.String())
		}
		buf.WriteString(") -> ")
		buf.WriteString(returnTypeToFixedType(candidate.returnType(), inputTyps).String())
		if candidate.preferred() {
			buf.WriteString(" [preferred]")
		}
		buf.WriteByte('\n')
	}
	return buf.String()
}