Package org.apache.ibatis.annotations

Annotation Type SelectKey

  • @Documented
@Retention(RUNTIME)
@Target(METHOD)
public @interface SelectKey
    The annotation that specify an SQL for retrieving a key value.


    How to use: 

     public interface UserMapper {
   @SelectKey(statement = "SELECT identity('users')", keyProperty = "id", before = true, resultType = int.class)
   @Insert("INSERT INTO users (id, name) VALUES(#{id}, #{name})")
   boolean insert(User user);
 }
    Author:
    Clinton Begin

    • Required Element Summary

      Required Elements 
      Modifier and Type Required Element Description
      boolean before
      Returns whether retrieves a key value before executing insert/update statement.
      java.lang.String keyProperty
      Returns property names that holds a key value.
      java.lang.Class<?> resultType
      Returns the key value type.
      java.lang.String[] statement
      Returns an SQL for retrieving a key value.

    • Optional Element Summary

      Optional Elements 
      Modifier and Type Optional Element Description
      java.lang.String keyColumn
      Returns column names that retrieves a key value.
      StatementType statementType
      Returns the statement type to use.

    • Element Detail

      • statement

        java.lang.String[] statement
        Returns an SQL for retrieving a key value.
        Returns:
        an SQL for retrieving a key value

      • keyProperty

        java.lang.String keyProperty
        Returns property names that holds a key value.

        If you specify multiple property, please separate using comma(',').

        Returns:
        property names that separate with comma(',')

      • before

        boolean before
        Returns whether retrieves a key value before executing insert/update statement.
        Returns:
        true if execute before; false if otherwise

      • resultType

        java.lang.Class<?> resultType
        Returns the key value type.
        Returns:
        the key value type

      • keyColumn

        java.lang.String keyColumn
        Returns column names that retrieves a key value.

        If you specify multiple column, please separate using comma(',').

        Returns:
        column names that separate with comma(',')
        Default:
        ""

      • statementType

        StatementType statementType
        Returns the statement type to use.
        Returns:
        the statement type
        Default:
        org.apache.ibatis.mapping.StatementType.PREPARED