CREATE OR REPLACE FUNCTION FUN_GET_YJJB(V_score IN NUMBER) RETURN VARCHAR2 IS /********************************************************* 名称 FUN_GET_YJJB 功能描述:获取预警级别 修改记录 版本号 编辑时间 编辑人 修改描述 1.0.0 2016-11-22 aoliu 创建函数 *********************************************************/ O_YJJB VARCHAR2(1); O_4_score NUMBER; O_3_score NUMBER; O_2_score NUMBER; O_1_score NUMBER; O_4_COLO VARCHAR2(1); O_3_COLO VARCHAR2(1); O_2_COLO VARCHAR2(1); O_1_COLO VARCHAR2(1); BEGIN SELECT score,COLOR INTO O_1_score,O_1_COLO FROM T_PVBDP_MODEL_ALERT_LEVEL WHERE ID = 1; SELECT score,COLOR INTO O_2_score,O_2_COLO FROM T_PVBDP_MODEL_ALERT_LEVEL WHERE ID = 2; SELECT score,COLOR INTO O_3_score,O_3_COLO FROM T_PVBDP_MODEL_ALERT_LEVEL WHERE ID = 3; SELECT score,COLOR INTO O_4_score,O_4_COLO FROM T_PVBDP_MODEL_ALERT_LEVEL WHERE ID = 4; SELECT CASE WHEN V_score >= O_4_score THEN O_4_COLO WHEN O_3_score <= V_score AND V_score < O_4_score THEN O_3_COLO WHEN O_2_score <= V_score AND V_score < O_3_score THEN O_2_COLO WHEN O_1_score <= V_score AND V_score < O_2_score THEN O_1_COLO ELSE '9' END INTO O_YJJB FROM DUAL; RETURN O_YJJB; EXCEPTION WHEN OTHERS THEN RETURN '9'; END;
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