Help Center/
GaussDB(DWS)/
More Documents/
Tool Guide (ME-Abu Dhabi Region) /
DSC: SQL Syntax Migration Tool/
Netezza Syntax Migration/
System Functions
Updated on 2022-06-13 GMT+08:00
System Functions
ISNULL()
Netezza Syntax |
Syntax After Migration |
---|---|
SELECT A.ETL_DATE, A.BRANCH_CODE, A.CUST_NO , ISNULL ( B.RES_STOCK,0) AS RES_STOCK , ISNULL ( B.ZY_VOL ,0 ) AS ZY_VOL , ISNULL ( B.ZJ_VOL,0 ) AS ZJ_VOL FROM tab123; |
SELECT A.ETL_DATE, A.BRANCH_CODE, A.CUST_NO , NVL ( B.RES_STOCK,0) AS RES_STOCK , NVL ( B.ZY_VOL ,0 ) AS ZY_VOL , NVL ( B.ZJ_VOL,0 ) AS ZJ_VOL FROM tab123; |
NVL
Second parameter is missing.
Netezza Syntax |
Syntax After Migration |
---|---|
SELECT NVL( SUM(A3.DA_CPTL_BAL_YEAR) / NULLIF(V_YEAR_DAYS, 0) ) AS CPTL_BAL_AVE_YR , NVL( NVL(SUM (CASE WHEN A3.OPENACT_DT >= V_YEAR_START THEN A3.DA_CPTL_BAL_YEAR END) / NULLIF(V_YEAR_DAYS, 0) ), 0) AS CPTL_BAL_AVE_YR_OP , NVL( SUM(A3.DA_CPTL_BAL) / NULLIF(V_YEAR_DAYS, 0) ) AS CPTL_BAL_AVE FROM tab1 A3; |
ELECT NVL( SUM(A3.DA_CPTL_BAL_YEAR) / NULLIF(V_YEAR_DAYS, 0), NULL ) AS CPTL_BAL_AVE_YR , NVL( NVL(SUM (CASE WHEN A3.OPENACT_DT >= V_YEAR_START THEN A3.DA_CPTL_BAL_YEAR END) / NULLIF(V_YEAR_DAYS, 0), NULL), 0) AS CPTL_BAL_AVE_YR_OP , NVL( SUM(A3.DA_CPTL_BAL) / NULLIF(V_YEAR_DAYS, 0), NULL ) AS CPTL_BAL_AVE FROM tab1 A3; |
DATE
Casting the data type.
Netezza Syntax |
Syntax After Migration |
---|---|
SELECT A1.ETL_DATE, A1.MARKET_CODE , A1.DECLARATION_DT , ROW_NUMBER() OVER(PARTITION BY A1.MARKET_CODE, A1.STOCK_CODE, DATE_PART('YEAR', DATE(A1.DECLARATION_DT)) ORDER BY A1.DECLARATION_DT DESC) AS RN FROM tb_date_type_casting A1; SELECT A1.ETL_DATE, A1.MARKET_CODE , A1.DECLARATION_DT , ROW_NUMBER() OVER(PARTITION BY A1.MARKET_CODE, A1.STOCK_CODE, DATE_PART('YEAR', DATE(A1.DECLARATION_DT)) ORDER BY A1.DECLARATION_DT DESC) AS RN FROM tb_date_type_casting A1; |
SELECT A1.ETL_DATE, A1.MARKET_CODE , A1.DECLARATION_DT , ROW_NUMBER() OVER(PARTITION BY A1.MARKET_CODE, A1.STOCK_CODE, DATE_PART('YEAR', CAST(A1.DECLARATION_DT AS DATE)) ORDER BY A1.DECLARATION_DT DESC) AS RN FROM tb_date_type_casting A1; |
analytic_function
Netezza Syntax |
Syntax After Migration |
---|---|
SELECT COALESCE(NULLIF(GROUP_CONCAT(a.column_name),''),'*') FROM (SELECT a.column_name FROM tb_ntz_group_concat a WHERE UPPER(a.table_name) = 'EMP' ORDER BY a.column_pos) a; ------------- SELECT admin.group_concat('"top'||lpad(a.table_name,2,'0')||'":{'||a.column_name||'}') topofund_data FROM (SELECT a.table_name, a.column_name FROM tb_ntz_group_concat a WHERE UPPER(a.table_name) = 'EMP' ORDER BY a.column_pos) a; |
SELECT COALESCE(NULLIF(STRING_AGG(a.column_name, ','),''),'*') FROM (SELECT a.column_name FROM tb_ntz_group_concat a WHERE UPPER(a.table_name) = 'EMP' ORDER BY a.column_pos) a; ------------- SELECT STRING_AGG('"top'||lpad(a.table_name,3,'0')||'":{'||a.column_name||'}', ',') topofund_data FROM (SELECT a.table_name, a.column_name FROM tb_ntz_group_concat a WHERE UPPER(a.table_name) = 'EMP' ORDER BY a.column_pos) a; |
Stored Procedure
Netezza Syntax |
Syntax After Migration |
---|---|
CREATE OR REPLACE PROCEDURE sp_ntz_proc_call ( CHARACTER VARYING(8) ) RETURNS INTEGER LANGUAGE NZPLSQL AS BEGIN_PROC DECLARE V_PAR_DAY ALIAS for $1; V_PRCNAME NVARCHAR(50):= 'SP_O_HXYW_LNSACCTINFO_H'; D_TIME_START TIMESTAMP:= CURRENT_TIMESTAMP; O_RETURN INTEGER; BEGIN O_RETURN := 0; CALL SP_LOG_EXEC(V_PRCNAME,V_PAR_DAY,D_TIME_START,0,0); RETURN O_RETURN; END; END_PROC; |
CREATE OR REPLACE FUNCTION sp_ntz_proc_call ( CHARACTER VARYING(8) ) RETURN INTEGER AS V_PAR_DAY ALIAS for $1; V_PRCNAME NCHAR VARYING(50):= 'SP_O_HXYW_LNSACCTINFO_H'; D_TIME_START TIMESTAMP:= CURRENT_TIMESTAMP; O_RETURN INTEGER; BEGIN O_RETURN := 0; SP_LOG_EXEC(V_PRCNAME,V_PAR_DAY,D_TIME_START,0,0); RETURN O_RETURN; END; / |
Parent topic: Netezza Syntax Migration
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
The system is busy. Please try again later.
For any further questions, feel free to contact us through the chatbot.
Chatbot