updateById Support Dynamic Field Strategy

[rowstop]

These methods have been supported

sql script

<script>
<bind name="always" value="st == null or st == @com.baomidou.mybatisplus.annotation.FieldStrategy@IGNORED  or st == @com.baomidou.mybatisplus.annotation.FieldStrategy@ALWAYS"/>
<bind name="notNull" value="st == @com.baomidou.mybatisplus.annotation.FieldStrategy@NOT_NULL"/>
<bind name="notEmpty" value="st == @com.baomidou.mybatisplus.annotation.FieldStrategy@NOT_EMPTY"/>
UPDATE sample_user <set>
<if test="always or (notNull and et['username'] != null) or (notEmpty and et['username'] != null and et['username'] != '')">username=#{et.username},</if>
<if test="always or (notNull and et['password'] != null) or (notEmpty and et['password'] != null and et['password'] != '')">password=#{et.password},</if>
</set> WHERE id=#{et.id} 
</script>