MSCEWI1023

PERFORMANCE REVIEW - THIS LOOP CONTAINS AN INSERT, DELETE OR UPDATE STATEMENT

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Severity

Low.

Description

This warning indicates a possible consideration that the user should have in terms of performance.

Example Code

Input Code:

REPLACE PROCEDURE Database1.Proc1()
BEGIN
    DECLARE lNumber INTEGER DEFAULT 1;
    FOR class1 AS class2 CURSOR FOR 
      SELECT COL0,
      TRIM(COL1) AS COL1ALIAS,
      TRIM(COL2),
      COL3
      FROM someDb.prefixCol
    DO
      INSERT INTO TempDB.Table1 (:lgNumber, :lNumber, (',' || :class1.ClassCD || '_Ind CHAR(1) NOT NULL'));
      SET lNumber = lNumber + 1;
    END FOR;
END;

Output Code:

CREATE OR REPLACE PROCEDURE Database1.PUBLIC.Proc1 ()
RETURNS STRING
LANGUAGE JAVASCRIPT
EXECUTE AS CALLER
AS
$$
    // REGION SnowConvert Helpers Code
		
    var LNUMBER = 1;
        //** MSC-WARNING - MSCEWI1023 - PERFORMANCE REVIEW - THIS LOOP CONTAINS AN INSERT, DELETE OR UPDATE STATEMENT **
	for(var CLASS2 = new CURSOR(`SELECT
	COL0,
	TRIM(COL1) AS COL1ALIAS,
	TRIM(COL2),
	COL3
	FROM someDb.PUBLIC.prefixCol`,[],false).OPEN();CLASS2.NEXT();) {
	   let CLASS1 = CLASS2.CURRENT;
	   EXEC(`INSERT INTO TempDB.PUBLIC.Table1 VALUES (:lgNumber, :1, (',' || :/*** MSC-WARNING - MSCEWI1026 - THE  VARIABLE class1.ClassCD MAY REQUIRE A CAST TO DATE, TIME OR TIMESTAMP ***/
	:2 || '_Ind CHAR(1) NOT NULL'))`,[LNUMBER,CLASS1.CLASSCD]);
	   LNUMBER = LNUMBER + 1;
	}
	CLASS2.CLOSE();
 
$$;

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