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28810 2018-12-29 12:23:29 +08:00
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Docs/expression.md
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@ -136,7 +136,7 @@
### 数学函数
| 表达式 | MySql | SqlServer | PostgreSQL |
| - | - | - | - | - |
| - | - | - | - |
| Math.Abs(a) | abs(a) | abs(a) | abs(a) |
| Math.Acos(a) | acos(a) | acos(a) | acos(a) |
| Math.Asin(a) | asin(a) | asin(a) | asin(a) |
@ -159,7 +159,7 @@
### 类型转换
| 表达式 | MySql | SqlServer | PostgreSQL |
| - | - | - | - | - |
| - | - | - | - |
| Convert.ToBoolean(a) | a not in ('0','false') | a not in ('0','false') | a::varchar not in ('0','false','f','no') |
| Convert.ToByte(a) | cast(a as unsigned) | cast(a as tinyint) | a::int2 |
| Convert.ToChar(a) | substr(cast(a as char),1,1) | substring(cast(a as nvarchar),1,1) | substr(a::char,1,1) |