-
Notifications
You must be signed in to change notification settings - Fork 74
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
6350cc7
commit 790d3be
Showing
2 changed files
with
14 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,11 @@ | ||
# SQL数据类型 | ||
NopORM中定义了StdSqlType,统一所有数据库中的字段类型。在dialect.xml中可以通过sqlDataType类型来将各自数据库中的类型映射到StdSqlType上。 | ||
|
||
```xml | ||
<sqlDataType name="DOUBLE" stdSqlType="DOUBLE" alias="DOUBLE PRECISION"/> | ||
``` | ||
|
||
* alias表示这个数据类型在数据库中还有别的名称。 | ||
|
||
StdSqlType有关联的StdDataType,生成Java实体类时对应的类型由StdDataType来确定,另外也可以单独为列指定StdDataType,这样可以使得Java中的属性类型和数据库中的列类型不一致,比如说Java中是String,而数据库中是BIGINT | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters