Question

我在Teradata - SQL Assistant

中创建了一个存储过程

但是，我无法执行它。它有5个参数，我只需要传递3个参数作为输入。

REPLACE PROCEDURE proc_store_import
(
IN P1_PROC_TYPE VARCHAR(20),
IN P2_zone_name VARCHAR(20),
IN P3_Location_code INT,
IN P4_RolloutDate VARCHAR(20),
IN P5_Phase INT
)

BEGIN
    declare O1_InsertStatus VARCHAR(250);
    IF P1_PROC_TYPE = 'ADD-STORE' THEN   
        IF( ( SELECT Count(*)   FROM dim_location WHERE location_code = P3_Location_code) >0 ) THEN     
            SET O1_InsertStatus =  'Requested Store is already a  Store...!!!';
        ELSE    
            INSERT INTO  dim_location
            (location_code, location_name, store_zone, region, area, opening_date, closing_date, isactive, dc_code,
            city,dc_city,location_type,catchment,emailid,circle,business_zone,cluster_name,store_cluster,ofine_code,
            region,new_date,rollout_Phase,createdDate,createdBy)

            SELECT  location_code, store_name, zone_name, region, area, opening_date, closing_date, isactive, dc_code,
            city,dc_city,location_type,catchment,emailid,circle,business_zone,cluster_name,store_cluster,ofine_code,
            region,P4_RolloutDate AS new_date,P5_Phase AS rollout_Phase,CURRENT_DATE AS createdDate,1 AS createdBy
            FROM    dim_location
             WHERE location_code = P3_Location_code; 

            SET O1_InsertStatus =  'Store included to  Store...!!!';
        END IF;
    END IF;
END;

Answer 1

只需为缺少的参数传递NULL：

CALL proc_store_import( 'foo', 'bar', 42 , NULL ,NULL)

您也可以将其包装在宏中（使用可选的DEFAULT），然后您可以使用命名参数：

REPLACE MACRO mac_store_import
 (
   P1_PROC_TYPE VARCHAR(20),
   P2_zone_name VARCHAR(20),
   P3_Location_code INT,
   P4_RolloutDate VARCHAR(20),
   -- P4_RolloutDate VARCHAR(20) DEFAULT '',
   P5_Phase INT
 ) 
AS 
(
  CALL proc_store_import( 
     :P1_PROC_TYPE, 
     :P2_zone_name,
     :P3_Location_code,
     :P4_RolloutDate,
     :P5_Phase);
);

EXEC mac_store_import 
 ( P1_PROC_TYPE = 'foo',
   P3_Location_code = 42,
   P2_zone_name = 'bar'
 );

顺便说一下，你当前的SQL也可以直接写成宏。

如何在TeraData中执行存储过程

1 个答案: