• 字符串字面值

    字符串字面值

    字符串由一串字节或字符组成，并由一对单引号 (‘) 或双引号 (“) 包装。

    1. nebula> YIELD 'a string'
    2. nebula> YIELD "another string"

    一些转义字符 (\) 已被支持，如下表所示:

    转义字符 对应的字符
    \’ 单引号 (‘)
    \” 双引号 (“)
    \t 制表符
    \n 换行符
    \b 退格符
    \ 反斜杠 (\)

    示例:

    1. nebula> YIELD 'This\nIs\nFour\nLines'
    2. ========================
    3. | "This
    4. Is
    5. Four
    6. Lines" |
    7. ========================
    8. | This
    9. Is
    10. Four
    11. Lines   |
    12. ------------------------
    14. nebula> YIELD 'disappearing\ backslash'  
    15. ============================
    16. | "disappearing backslash" |
    17. ============================
    18. | disappearing backslash   |
    19. ----------------------------