org.mayanjun.myjack.api.annotation

Annotation Type IndexColumn

@Retention(value=RUNTIME)
 @Target(value={})
public @interface IndexColumn

索引字段信息 Index column

Since:

0.0.1

Author:

mayanjun(8/19/15)

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
String	value 需要索引的字段名称，注意是类字段的名称不是数据库字段名称。如果这里的字段名称写错了，导出SQL语句时会抛出找不到字段的异常。 Specifies the name of field to which the column mapped to be set as index。A field not found exception will be thrown when exporting DDL if this value is incorrect.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
int	length 指定索引长度 Specifies the length of index

Element Detail

value

public abstract String value

需要索引的字段名称，注意是类字段的名称不是数据库字段名称。如果这里的字段名称写错了，导出SQL语句时会抛出找不到字段的异常。 Specifies the name of field to which the column mapped to be set as index。A field not found exception will be thrown when exporting DDL if this value is incorrect.

Returns:

index name

length

public abstract int length

指定索引长度 Specifies the length of index

Returns:

index length

Default:

0