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详解Enterprise JavaBeans查询语言之二
发布: 2008-5-06 11:26 |
作者: 不详 |
来源:
www.linuxaid.com.cn |
查看: 27次 | 进入软件测试论坛讨论
领测软件测试网
下面是条件表达式的语法:
conditional_expression
::= conditional_term |
conditional_expression
OR conditional_term
conditional_term
::= conditional_factor |
conditional_term
AND conditional_factor
conditional_factor
::= [ NOT ] conditional_test
conditional_test
:: = conditional_primary
conditional_primary
::=
simple_cond_expression
| (conditional_expression)
simple_cond_expression
::=
comparison_expression |
between_expression |
like_expression |
in_expression |
null_comparison_expression |
empty_collection_comparison_expression |
collection_member_expression
|
文章来源于领测软件测试网 https://www.ltesting.net/