HANA SQL Script瀛︿範锛?锛夛細Orchestration Logic

Posted 2020-12-21

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4.SAP HANA SQL Script

4.1 Orchestration Logic

1.Orchestration Logic

绀轰緥锛歰rchestrationProc

CREATE PROCEDURE orchestrationProc
 LANGUAGE SQLSCRIPT
 READS SQL DATA AS
 BEGIN       
       DECLARE v_id BIGINT;       
       DECLARE v_name VARCHAR(30);       
       DECLARE v_pmnt BIGINT;       
       DECLARE v_msg VARCHAR(200);    
   
       DECLARE CURSOR c_cursor1 (p_payment BIGINT) FOR                        
       SELECT id, name, payment FROM control_tab                            
              WHERE payment > :p_payment                            
              ORDER BY id ASC;   
          
       OPEN c_cursor1(250000);        
       FETCH c_cursor1 INTO v_id, v_name, v_pmnt;        
       v_msg = :v_name || 鈥?/span> (id 鈥?/span> || :v_id || 鈥?/span>) earns 鈥?/span> || :v_pmnt || 鈥?/span> $.鈥?/span>;        
       CALL ins_msg_proc(:v_msg);       
       CLOSE c_cursor1;
 END

procedure :ins_msg_proc

--鍒涘缓message琛?/span>
CREATE TABLE message_box (p_msg VARCHAR(200), tstamp TIMESTAMP);

--鍒涘姙procedure
CREATE PROCEDURE ins_msg_proc (p_msg VARCHAR(200))
 LANGUAGE SQLSCRIPT AS
 BEGIN   
       INSERT INTO message_box VALUES (:p_msg, CURRENT_TIMESTAMP);
 END;