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package edi.rule.model;

import com.fasterxml.jackson.annotation.JsonAlias;

import edi.rule.annotation.JSRuleCheck;
import edi.rule.extend.interfaces.IJSRuleModel;
import edi.rule.work.constant.ZSSign;
import edi.rule.work.constant.JSRuleJsonValue;
import lombok.Data;

/**
 * @author 摩拉克斯
 * @date 2023年2月21日 上午9:29:10
 * 

表示查询时的union关键字模型 *

注:oracle(8)数据库在使用union的时候如A union all B,如果A或B的结尾处有排序order语法,数据库会抛出缺失右括号的错误 */ @Data public final class JSRuleUnion implements IJSRuleModel{ /** *

union所对应的类型,仅为union和all两种类型,all表示union all,默认为all * */ @JSRuleCheck(values= {JSRuleJsonValue.TYPE_UNION,JSRuleJsonValue.TYPE_UNION_ALL}) public String type; /** *

union所对应的子查询的点 * @see JSRulePointer * */ @JsonAlias({"p"}) @JSRuleCheck(required=true) public JSRulePointer pointer; public JSRuleUnion() { this.type = JSRuleJsonValue.TYPE_UNION_ALL; } /** *

获取union或union all文本 * */ public String getTypeText() { return type.equals(JSRuleJsonValue.TYPE_UNION)?type:JSRuleJsonValue.TYPE_UNION +ZSSign.BLANK +JSRuleJsonValue.TYPE_UNION_ALL +ZSSign.BLANK; } }





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