程序包 org.hibernate.annotations

注释类型 ColumnTransformer

@Target({FIELD,METHOD})
@Retention(RUNTIME)
@Repeatable(ColumnTransformers.class)
public @interface ColumnTransformer

Custom SQL expression used to read the value from and write a value to a column. Use for direct object loading/saving as well as queries. The write expression must contain exactly one '?' placeholder for the value. For example: read="decrypt(credit_card_num)" write="encrypt(?)"

作者:

Emmanuel Bernard

另请参阅:

ColumnTransformers

可选元素概要

可选元素

修饰符和类型	可选元素	说明
String	forColumn	(Logical) column name for which the expression is used.
String	read	Custom SQL expression used to read from the column.
String	write	Custom SQL expression used to write to the column.

元素详细资料

forColumn

String forColumn

(Logical) column name for which the expression is used. This can be left out if the property is bound to a single column

默认值:

""

read

String read

Custom SQL expression used to read from the column.

默认值:

""

write

String write

Custom SQL expression used to write to the column. The write expression must contain exactly one '?' placeholder for the value.

默认值:

""