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。

nebula> YIELD 'a string';
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:

nebula> YIELD 'This\nIs\nFour\nLines';
========================
| "This
Is
Four
Lines" |
========================
| This
Is
Four
Lines   |
------------------------

nebula> YIELD 'disappearing\ backslash';
============================
| "disappearing backslash" |
============================
| disappearing backslash   |
----------------------------