org.litepal.annotation

注释类型 Column

@Retention(value=RUNTIME)
 @Target(value=FIELD)
public @interface Column

Used for adding constraints to a column. Note that this annotation won't affect id column.

从以下版本开始:

1.3

可选元素概要

可选元素

限定符和类型	可选元素和说明
java.lang.String	defaultValue Set default value with String type for the column regardless of what column type is.
boolean	ignore Ignore to map this field into a column.
boolean	index Add index for the column.
boolean	nullable Set nullable constraint for the column.
boolean	unique Set unique constraint for the column.

元素详细资料

nullable

public abstract boolean nullable

Set nullable constraint for the column.

默认值:

true

unique

public abstract boolean unique

Set unique constraint for the column.

默认值:

false

defaultValue

public abstract java.lang.String defaultValue

Set default value with String type for the column regardless of what column type is.

默认值:

""

ignore

public abstract boolean ignore

Ignore to map this field into a column.

默认值:

false

index

public abstract boolean index

Add index for the column.

默认值:

false