func JoinNestedRelationNames(relationNames []string) string {
	return strings.Join(relationNames, nestedRelationSplit)
}

// RTrimSlice Right trims the given slice by given length
func RTrimSlice[T any](v []T, trimLen int) []T {
	if trimLen >= len(v) { // trimLen greater than slice len means fully sliced
		return v[:0]
	}
	if trimLen < 0 { // negative trimLen is ignored

			trimLen:  -1,
			expected: []int{1, 2, 3},
		},
	}

	for _, testcase := range tests {
		t.Run(testcase.name, func(t *testing.T) {
			result := RTrimSlice(testcase.input, testcase.trimLen)
			if !AssertEqual(result, testcase.expected) {
				t.Errorf("RTrimSlice(%v, %d) = %v; want %v", testcase.input, testcase.trimLen, result, testcase.expected)
			}
		})
	}

	if v, ok := db.Statement.Clauses["FROM"].Expression.(clause.From); ok {
		fromClause := db.Statement.Clauses["FROM"]
		fromClause.Expression = clause.From{Tables: v.Tables, Joins: utils.RTrimSlice(v.Joins, len(db.Statement.Joins))} // keep the original From Joins
		db.Statement.Clauses["FROM"] = fromClause
	}