Update Function SFP_GET_HOURLY_DOWNTIME
This commit is contained in:
@@ -1 +1,437 @@
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牄禗袬蒨@\蚕謨@^@
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SET PATH *LIBL ;
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CREATE OR REPLACE FUNCTION RESTAPI.SFP_GET_HOURLY_DOWNTIME (
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IN_PARM CLOB(2147483647) )
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RETURNS CLOB(2147483647)
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LANGUAGE SQL
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SPECIFIC RESTAPI.SFP_GET_HOURLY_DOWNTIME
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NOT DETERMINISTIC
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MODIFIES SQL DATA
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CALLED ON NULL INPUT
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SET OPTION ALWBLK = *ALLREAD ,
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ALWCPYDTA = *OPTIMIZE ,
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COMMIT = *NONE ,
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DECRESULT = (31, 31, 00) ,
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DLYPRP = *NO ,
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DYNDFTCOL = *NO ,
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DYNUSRPRF = *USER ,
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SRTSEQ = *HEX
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BEGIN
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DECLARE ENV VARCHAR ( 20 ) DEFAULT '' ;
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DECLARE V_DATE DATE ;
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DECLARE V_DATE_STR VARCHAR ( 10 ) DEFAULT '' ;
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DECLARE V_WC VARCHAR ( 5 ) DEFAULT '' ;
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DECLARE V_SITE VARCHAR ( 3 ) DEFAULT '' ;
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DECLARE V_DATE_CY DECIMAL ( 7 , 0 ) DEFAULT 0 ;
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DECLARE V_DATE_PRIOR_CY DECIMAL ( 7 , 0 ) DEFAULT 0 ;
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DECLARE LL VARCHAR ( 1024 ) DEFAULT '' ;
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DECLARE V_IN_PARM CLOB ( 2 G ) DEFAULT '' ;
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-- Error handling variables
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DECLARE V_SQLSTATE CHAR ( 5 ) DEFAULT '00000' ;
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DECLARE V_SQLCODE INTEGER DEFAULT 0 ;
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DECLARE V_ERRMSG VARCHAR ( 500 ) DEFAULT '' ;
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DECLARE V_HTTP_STATUS INTEGER DEFAULT 200 ;
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DECLARE V_HAS_ERROR INTEGER DEFAULT 0 ;
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-- Continue handlers for error capture
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DECLARE CONTINUE HANDLER FOR SQLSTATE '22007' -- Invalid datetime
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BEGIN
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SET V_SQLSTATE = '22007' ;
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GET DIAGNOSTICS CONDITION 1 V_ERRMSG = MESSAGE_TEXT ;
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SET V_HTTP_STATUS = 400 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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DECLARE CONTINUE HANDLER FOR SQLSTATE '22003' -- Numeric out of range
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BEGIN
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SET V_SQLSTATE = '22003' ;
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GET DIAGNOSTICS CONDITION 1 V_ERRMSG = MESSAGE_TEXT ;
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SET V_HTTP_STATUS = 400 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' -- No data found
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BEGIN
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SET V_SQLSTATE = '02000' ;
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SET V_ERRMSG = 'No data found for the specified criteria' ;
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SET V_HTTP_STATUS = 404 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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DECLARE CONTINUE HANDLER FOR SQLSTATE '42501' -- Not authorized
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BEGIN
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SET V_SQLSTATE = '42501' ;
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GET DIAGNOSTICS CONDITION 1 V_ERRMSG = MESSAGE_TEXT ;
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SET V_HTTP_STATUS = 403 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' -- Object not found
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BEGIN
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SET V_SQLSTATE = '42704' ;
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GET DIAGNOSTICS CONDITION 1 V_ERRMSG = MESSAGE_TEXT ;
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SET V_HTTP_STATUS = 404 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION
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BEGIN
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GET DIAGNOSTICS CONDITION 1
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V_SQLSTATE = RETURNED_SQLSTATE ,
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V_SQLCODE = DB2_RETURNED_SQLCODE , V_ERRMSG = MESSAGE_TEXT ;
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SET V_HTTP_STATUS = 500 ;
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SET V_HAS_ERROR = 1 ;
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END ;
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-- Parse input parameters first (before env extraction modifies In_Parm)
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SET V_DATE_STR = COALESCE ( JSON_VALUE ( IN_PARM , '$.date' ) , '' ) ;
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SET V_WC = COALESCE ( JSON_VALUE ( IN_PARM , '$.workcenter' ) , '' ) ;
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SET V_SITE = COALESCE ( JSON_VALUE ( IN_PARM , '$.site' ) , '' ) ;
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-- Parse date - set to Current_Date if not provided
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IF V_DATE_STR <> '' THEN
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SET V_DATE = DATE ( V_DATE_STR ) ;
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ELSE
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SET V_DATE = CURRENT_DATE ;
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END IF ;
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-- Extract env handling all input formats (object, array, string)
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SET V_IN_PARM = IN_PARM ;
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WHILE CISTOOLS . JSON_TYPE ( V_IN_PARM ) IN ( 'object' , 'array' , 'string' )
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DO
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SET V_IN_PARM =
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CASE CISTOOLS . JSON_TYPE ( V_IN_PARM )
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WHEN 'object' THEN JSON_VALUE ( V_IN_PARM , '$.env' )
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WHEN 'array' THEN JSON_VALUE ( V_IN_PARM , '$[0]' )
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WHEN 'string' THEN REPLACE ( V_IN_PARM , '"' , '' )
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ELSE TRIM ( V_IN_PARM )
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END ;
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END WHILE ;
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SET ENV = V_IN_PARM ;
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SET LL = CISTOOLS . SET_LIBRARY_LIST ( ENV ) ;
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-- Validate environment was set
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IF ENV = ''
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OR ENV IS NULL THEN
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RETURN
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JSON_OBJECT (
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'error' : JSON_OBJECT (
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'http_status' : 400 , 'sqlstate' : '22001' ,
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'message' : 'Environment parameter is required'
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)
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) ;
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END IF ;
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-- Check for errors from library list setup
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IF V_HAS_ERROR = 1 THEN
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RETURN
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JSON_OBJECT (
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'error' : JSON_OBJECT (
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'http_status' : V_HTTP_STATUS , 'sqlstate' : V_SQLSTATE ,
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'message' : V_ERRMSG
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)
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) ;
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END IF ;
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-- Calculate CYYMMDD dates
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SET V_DATE_CY = ZONED ( V_DATE ) - 19000000 ;
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SET V_DATE_PRIOR_CY = ZONED ( V_DATE - 1 DAY ) - 19000000 ;
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RETURN
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WITH
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-- Get Down Begin transactions
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DOWN_BEGIN AS (
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SELECT T . ORDNO , T . CLDT , T . OPSEQ , T . EMPNO , T . BADGE , T . WKCTR ,
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T . TDATE AS DB_DATE , T . TTIME AS DB_TIME ,
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CAST (
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CAST ( T . RECD AS VARCHAR ( 6 ) CCSID 37 ) AS VARCHAR ( 6 )
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CCSID 1208 ) AS REASON_CODE , T . ITNBR ,
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COALESCE ( T . EMPNO , T . BADGE ) AS EMP_KEY , M . STID ,
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TO_DATE (
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ZONED ( CISTOOLS . CYMD2DATE ( T . TDATE ) ) ||
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LPAD ( T . TTIME , 6 , '0' ) , 'YYYYMMDDHH24MISS' )
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AS DB_TS ,
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ROW_NUMBER ( ) OVER (
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PARTITION BY T . ORDNO , T . OPSEQ , COALESCE (
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T . EMPNO , T . BADGE )
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ORDER BY T . TDATE , T . TTIME
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) AS SEQ
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FROM MOTRAN T
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JOIN MOMAST M
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ON T . ORDNO = M . ORDNO
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WHERE T . TCODE = 'DB'
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AND T . WKCTR = COALESCE ( NULLIF ( V_WC , '' ) , T . WKCTR )
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AND M . STID = COALESCE ( NULLIF ( V_SITE , '' ) , M . STID )
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AND T . ACREC = 'A'
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AND T . TDATE BETWEEN V_DATE_PRIOR_CY AND V_DATE_CY
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) ,
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-- Get Down End transactions
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DOWN_END AS (
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SELECT T . ORDNO , T . CLDT , T . OPSEQ , T . EMPNO , T . BADGE ,
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T . TDATE AS DE_DATE , T . TTIME AS DE_TIME , T . WKCTR ,
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COALESCE ( T . EMPNO , T . BADGE ) AS EMP_KEY , M . STID ,
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TO_DATE (
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ZONED ( CISTOOLS . CYMD2DATE ( T . TDATE ) ) ||
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LPAD ( T . TTIME , 6 , '0' ) , 'YYYYMMDDHH24MISS' )
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AS DE_TS ,
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ROW_NUMBER ( ) OVER (
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PARTITION BY T . ORDNO , T . OPSEQ , COALESCE (
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T . EMPNO , T . BADGE )
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ORDER BY T . TDATE , T . TTIME
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) AS SEQ
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FROM MOTRAN T
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JOIN MOMAST M
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ON T . ORDNO = M . ORDNO
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WHERE T . TCODE = 'DE'
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AND T . WKCTR = COALESCE ( NULLIF ( V_WC , '' ) , T . WKCTR )
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AND M . STID = COALESCE ( NULLIF ( V_SITE , '' ) , M . STID )
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AND T . ACREC = 'A'
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AND T . TDATE = V_DATE_CY
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) ,
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-- Current time as default end time
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CURRENT_END AS (
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SELECT
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CASE
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WHEN V_DATE = CURRENT_DATE THEN CURRENT_TIMESTAMP
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ELSE
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TO_DATE (
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ZONED ( V_DATE ) || '235959' , 'YYYYMMDDHH24MISS' )
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END AS DEFAULT_END_TS
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FROM SYSIBM . SYSDUMMY1
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) ,
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-- Match DB with DE
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MATCHED_DOWN AS (
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SELECT DB . ORDNO , DB . ITNBR , DB . REASON_CODE , DB . WKCTR , DB . STID ,
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DB . DB_DATE , DB . DB_TIME , DB . DB_TS AS START_TS ,
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COALESCE ( DE . DE_TS , CE . DEFAULT_END_TS ) AS END_TS ,
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COALESCE ( DE . DE_DATE , V_DATE_CY ) AS DE_DATE ,
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COALESCE (
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DE . DE_TIME ,
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CASE
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WHEN
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V_DATE = CURRENT_DATE
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THEN ZONED ( CURRENT_TIME )
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ELSE 235959
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END ) AS DE_TIME ,
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COALESCE ( R . KDSCHED , 'N' ) AS IS_SCHEDULED ,
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COALESCE ( R . KDRDESC , 'Unknown' ) AS REASON_DESC
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FROM DOWN_BEGIN DB
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CROSS JOIN CURRENT_END CE
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LEFT JOIN DOWN_END DE
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ON DB . ORDNO = DE . ORDNO
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AND DB . OPSEQ = DE . OPSEQ
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AND DB . EMP_KEY = DE . EMP_KEY
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AND DB . SEQ = DE . SEQ
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AND DB . WKCTR = DE . WKCTR
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AND DB . STID = DE . STID
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LEFT JOIN SFCDWR R
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ON DB . REASON_CODE = R . KDREASN
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) ,
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-- Get distinct workcenter/site combinations
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WC_SITE_LIST AS (
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SELECT DISTINCT WKCTR , STID
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FROM MATCHED_DOWN
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) ,
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-- Generate hours for the date (0-23) with proper timestamps
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ALL_HOURS AS (
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SELECT HR AS HOUR_NUM ,
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TO_DATE (
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ZONED ( V_DATE ) || LPAD ( HR * 10000 , 6 , '0' ) ,
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'YYYYMMDDHH24MISS' ) AS HR_START_TS ,
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CASE
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WHEN
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HR = 23
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THEN
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TO_DATE (
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ZONED ( V_DATE + 1 DAY ) || '000000' ,
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'YYYYMMDDHH24MISS' )
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ELSE
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TO_DATE (
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ZONED ( V_DATE ) ||
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LPAD ( ( HR + 1 ) * 10000 , 6 , '0' ) ,
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'YYYYMMDDHH24MISS' )
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END AS HR_END_TS
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FROM (
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VALUES ( 0 ) , ( 1 ) , ( 2 ) , ( 3 ) , ( 4 ) , ( 5 ) , ( 6 ) , ( 7 ) , ( 8 ) ,( 9 ) , ( 10 ) , ( 11 ) , ( 12 ) , ( 13 ) , ( 14 ) , ( 15 ) ,
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( 16 ) , ( 17 ) , ( 18 ) , ( 19 ) , ( 20 ) , ( 21 ) , ( 22 ) ,
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( 23 )
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) T ( HR )
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) ,
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-- Break down by hour
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HOURLY_DOWN AS (
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SELECT D . REASON_CODE , D . REASON_DESC , D . IS_SCHEDULED , D . ORDNO ,
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D . ITNBR , D . WKCTR , D . STID , H . HOUR_NUM ,
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GREATEST (
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0 , TIMESTAMPDIFF (
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2 , CHAR (
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LEAST ( D . END_TS , H . HR_END_TS ) -
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GREATEST ( D . START_TS , H . HR_START_TS ) ) ) )
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AS SECONDS_IN_HR
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FROM MATCHED_DOWN D , ALL_HOURS H
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WHERE D . START_TS < H . HR_END_TS
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AND D . END_TS > H . HR_START_TS
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) ,
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-- Aggregate by hour, workcenter, site
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HOURLY_AGG AS (
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SELECT HOUR_NUM , WKCTR , STID , SUM (
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CASE
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WHEN IS_SCHEDULED = 'Y' THEN SECONDS_IN_HR
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ELSE 0
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END ) AS SCHED_DOWN_SEC , SUM (
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CASE
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WHEN IS_SCHEDULED <> 'Y' THEN SECONDS_IN_HR
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ELSE 0
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END ) AS UNSCHED_DOWN_SEC ,
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SUM ( SECONDS_IN_HR ) AS TOTAL_DOWN_SEC ,
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COUNT ( DISTINCT REASON_CODE ) AS REASON_COUNT
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FROM HOURLY_DOWN
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WHERE SECONDS_IN_HR > 0
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GROUP BY HOUR_NUM , WKCTR , STID
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) ,
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-- Get distinct reasons per hour/wkctr/stid
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HOURLY_REASONS AS (
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SELECT DISTINCT HOUR_NUM , WKCTR , STID , REASON_CODE ,
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REASON_DESC , IS_SCHEDULED
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FROM HOURLY_DOWN
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WHERE SECONDS_IN_HR > 0
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) ,
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-- Aggregate reasons into JSON array
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HOURLY_REASONS_AGG AS (
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SELECT HOUR_NUM , WKCTR , STID ,
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JSON_ARRAYAGG (
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JSON_OBJECT (
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'reasonCode' : TRIM ( REASON_CODE ) ,
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'description' : TRIM ( REASON_DESC ) , 'isScheduled' :
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CASE
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WHEN IS_SCHEDULED = 'Y' THEN 'true'
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ELSE 'false'
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END FORMAT JSON
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) FORMAT JSON
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) AS REASONS
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FROM HOURLY_REASONS
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GROUP BY HOUR_NUM , WKCTR , STID
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) ,
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-- Cross join hours with workcenter/site list, then left join aggregated data
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HOURLY_FULL AS (
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SELECT A . HOUR_NUM , W . WKCTR , W . STID ,
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COALESCE ( H . SCHED_DOWN_SEC , 0 ) AS SCHED_DOWN_SEC ,
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COALESCE ( H . UNSCHED_DOWN_SEC , 0 ) AS UNSCHED_DOWN_SEC ,
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COALESCE ( H . TOTAL_DOWN_SEC , 0 ) AS TOTAL_DOWN_SEC ,
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COALESCE ( H . REASON_COUNT , 0 ) AS REASON_COUNT ,
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R . REASONS AS REASONS ,
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SUM ( COALESCE ( H . SCHED_DOWN_SEC , 0 ) ) OVER (
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PARTITION BY W . WKCTR , W . STID
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ORDER BY A . HOUR_NUM ROWS UNBOUNDED PRECEDING
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) AS CUM_SCHED ,
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SUM ( COALESCE ( H . UNSCHED_DOWN_SEC , 0 ) ) OVER (
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PARTITION BY W . WKCTR , W . STID
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ORDER BY A . HOUR_NUM ROWS UNBOUNDED PRECEDING
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) AS CUM_UNSCHED
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FROM ALL_HOURS A
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CROSS JOIN WC_SITE_LIST W
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LEFT JOIN HOURLY_AGG H
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ON A . HOUR_NUM = H . HOUR_NUM
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AND W . WKCTR = H . WKCTR
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AND W . STID = H . STID
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LEFT JOIN HOURLY_REASONS_AGG R
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ON A . HOUR_NUM = R . HOUR_NUM
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AND W . WKCTR = R . WKCTR
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AND W . STID = R . STID
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) ,
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-- Reason summary per workcenter/site
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REASON_SUMMARY AS (
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SELECT WKCTR , STID , REASON_CODE , REASON_DESC , IS_SCHEDULED ,
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SUM ( SECONDS_IN_HR ) AS TOTAL_SECONDS ,
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INT ( SUM ( SECONDS_IN_HR ) / 60 ) AS TOTAL_MINUTES
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FROM HOURLY_DOWN
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WHERE SECONDS_IN_HR > 0
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GROUP BY WKCTR , STID , REASON_CODE , REASON_DESC ,
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IS_SCHEDULED
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) ,
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-- Aggregate reason summary into JSON
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REASON_SUMMARY_AGG AS (
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SELECT WKCTR , STID ,
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JSON_ARRAYAGG (
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JSON_OBJECT (
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'reasonCode' : TRIM ( REASON_CODE ) ,
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'description' : TRIM ( REASON_DESC ) , 'isScheduled' :
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CASE
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WHEN IS_SCHEDULED = 'Y' THEN 'true'
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ELSE 'false'
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END FORMAT JSON , 'totalMinutes' : TOTAL_MINUTES
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) FORMAT JSON
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) AS REASONS
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FROM REASON_SUMMARY
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GROUP BY WKCTR , STID
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) ,
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-- Build hour JSON objects
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JSON_HOURS AS (
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SELECT WKCTR , STID ,
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JSON_OBJECT (
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'hour' : HOUR_NUM , 'hourLabel' :
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CASE
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WHEN HOUR_NUM = 0 THEN '12AM'
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WHEN
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HOUR_NUM < 12 THEN VARCHAR ( HOUR_NUM ) || 'AM'
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WHEN HOUR_NUM = 12 THEN '12PM'
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ELSE VARCHAR ( HOUR_NUM - 12 ) || 'PM'
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END , 'scheduledDownMinutes' : INT (
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SCHED_DOWN_SEC / 60 ) ,
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'unscheduledDownMinutes' : INT (
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UNSCHED_DOWN_SEC / 60 ) , 'totalDownMinutes' : INT (
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TOTAL_DOWN_SEC / 60 ) ,
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'cumulativeScheduledMinutes' : INT ( CUM_SCHED / 60 ) ,
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'cumulativeUnscheduledMinutes' : INT (
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CUM_UNSCHED / 60 ) , 'reasonCount' : REASON_COUNT ,
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'reasons' : COALESCE ( REASONS , JSON_ARRAY ( ) ) FORMAT
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JSON
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) AS HOUR_OBJ , HOUR_NUM
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FROM HOURLY_FULL
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) ,
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-- Calculate totals per workcenter/site
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WC_TOTALS AS (
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SELECT WKCTR , STID , MAX ( CUM_SCHED ) AS TOTAL_SCHED_SEC ,
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MAX ( CUM_UNSCHED ) AS TOTAL_UNSCHED_SEC ,
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MAX ( CUM_SCHED ) + MAX ( CUM_UNSCHED ) AS TOTAL_DOWN_SEC
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FROM HOURLY_FULL
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GROUP BY WKCTR , STID
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) ,
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-- Build workcenter JSON objects with nested hours array
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JSON_WORKCENTERS AS (
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SELECT
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JSON_OBJECT (
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||||
'workcenter' : CAST (
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||||
CAST ( T . WKCTR AS VARCHAR ( 5 ) CCSID 37 ) AS VARCHAR (
|
||||
5 ) CCSID 1208 ) , 'site' : CAST (
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||||
CAST ( T . STID AS VARCHAR ( 3 ) CCSID 37 ) AS VARCHAR ( 3 )
|
||||
CCSID 1208 ) , 'hours' : ( SELECT JSON_ARRAYAGG (
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||||
H . HOUR_OBJ FORMAT JSON
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||||
ORDER BY H . HOUR_NUM
|
||||
)
|
||||
FROM JSON_HOURS H
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||||
WHERE H . WKCTR = T . WKCTR
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||||
AND H . STID = T . STID ) FORMAT JSON ,
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||||
'reasons' : COALESCE ( ( SELECT RS . REASONS
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||||
FROM REASON_SUMMARY_AGG RS
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||||
WHERE RS . WKCTR = T . WKCTR
|
||||
AND RS . STID = T . STID ) , JSON_ARRAY ( ) )
|
||||
FORMAT JSON , 'totals' : JSON_OBJECT (
|
||||
'scheduledDownMinutes' : INT (
|
||||
COALESCE ( T . TOTAL_SCHED_SEC , 0 ) / 60 ) ,
|
||||
'unscheduledDownMinutes' : INT (
|
||||
COALESCE ( T . TOTAL_UNSCHED_SEC , 0 ) / 60 ) ,
|
||||
'totalDownMinutes' : INT (
|
||||
COALESCE ( T . TOTAL_DOWN_SEC , 0 ) / 60 ) ,
|
||||
'availableMinutes' : 1440 -
|
||||
INT ( COALESCE ( T . TOTAL_DOWN_SEC , 0 ) / 60 )
|
||||
)
|
||||
) AS WC_OBJ
|
||||
FROM WC_TOTALS T
|
||||
ORDER BY T . WKCTR , T . STID ) SELECT JSON_ARRAY (
|
||||
JSON_OBJECT (
|
||||
'date' : TO_CHAR ( V_DATE , 'YYYY-MM-DD' ) , 'workcenters' : (
|
||||
SELECT JSON_ARRAYAGG (
|
||||
WC_OBJ FORMAT JSON
|
||||
)
|
||||
FROM JSON_WORKCENTERS ) FORMAT JSON ,
|
||||
'dataSource' : 'MOTRAN (Live)' , 'generatedAt' : TO_CHAR (
|
||||
CURRENT_TIMESTAMP , 'YYYY-MM-DD HH24:MI:SS' )
|
||||
) )
|
||||
FROM SYSIBM . SYSDUMMY1 ;
|
||||
END ;
|
||||
|
||||
GRANT ALTER , EXECUTE
|
||||
ON SPECIFIC FUNCTION RESTAPI.SFP_GET_HOURLY_DOWNTIME
|
||||
TO AMAPICS WITH GRANT OPTION ;
|
||||
|
||||
GRANT EXECUTE
|
||||
ON SPECIFIC FUNCTION RESTAPI.SFP_GET_HOURLY_DOWNTIME
|
||||
TO PUBLIC ;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user