T-SQL嵌套子查询

Question

我想将此工作代码置于SQL语句中，或者是否需要执行UDF。

结果集是单行连接，我希望它被放置在每个总体结果集行中。

---- 

MAIN QUERY 

SELECT 
    H.CONNECTION_ID, 
    H.SEQUENTIAL_NO, 
    H.INVOICE_NUMBER, 
    H.INVOICE_DATE, 
    H.LAST_INVOICE_NUMBER, 
    H.LAST_INVOICE_DATE, 
    CAST(CASE 
     WHEN H.COLLECT_DEPOSIT = 1 THEN '-' 
     ELSE CAST(H.PAYMENT_DUE_DATE AS NVARCHAR(20)) 
    END AS SMALLDATETIME) AS PAYMENT_DUE, 
    H.JOB_NUMBER, 
    H.CUST_JOB_NUMBER, 
    HDR.SALES_PERSON, 
    H.INSIDE_SALES_PERSON, 
    H.IS_LAST_INVOICE, 
    CASE 
     WHEN H.COLLECT_DEPOSIT = 1 THEN 'CASH' 
     ELSE H.PAYMENT_TERMS_DESCRIPTION 
    END AS PAYMENT_TERMS, 
    H.PRINTED, 
    H.NOTES, 
    CUR.ID, 
    CUR.CODE, 
    CASE CUR.CODE 
     WHEN 'USD' THEN '001-106624-211' 
     WHEN 'EUR' THEN '001-106624-101' 
     WHEN 'GBP' THEN '001-106624-100' 
     ELSE '001-106624-001' 
    END AS BANK_ACCT, 
    CUR.EXCHANGE_RATE, 
    H.BILL_CONTACT, 
    H.CUST_ACCOUNT, 
    H.CUST_NAME, 
    H.CUST_ADDR1, 
    H.CUST_ADDR2, 
    H.CUST_CITY, 
    H.CUST_STATE, 
    H.CUST_ZIP, 
    H.CONTACT_PHONE_NUMBER, 
    H.CONTACT_PHONE_NUMBER2, 
    H.ORDERED_BY_CONTACT, 
    H.SHIP_TO_NAME, 
    H.SHIP_TO_ADDR1, 
    H.SHIP_TO_ADDR2, 
    H.SHIP_TO_CITY, 
    H.SHIP_TO_STATE, 
    H.SHIP_TO_ZIP, 
    H.SITE_PHONE_NUMBER, 
    H.SITE_PHONE_NUMBER2, 
    H.OFFICE_NAME, 
    H.OFFICE_ADDR1, 
    H.OFFICE_ADDR2, 
    H.OFFICE_CITY, 
    H.OFFICE_STATE, 
    H.OFFICE_ZIP, 
    H.OFFICE_PHONE_NUMBER, 
    H.OFFICE_FAX_NUMBER, 
    H.DELIVERY_TICKET_NUMBER, 
    H.PO_NUMBER, 
    H.DUMMY_INVOICE_TEXT, 
    (SELECT MESSAGE FROM REPORT_MESSAGES WHERE CODE = 'INVOICE') ADVERT_MESSAGE, 
    (SELECT MAX(DISCOUNT_PERCENTAGE) FROM PRTINVITEM I2 WHERE I2.CONNECTION_ID = H.CONNECTION_ID AND I2.INVOICE_NUMBER = H.INVOICE_NUMBER) AS MAX_DISCOUNT, 
    I.ITEM, 
    I.DESCRIPTION, 
    I.QUANTITY, 
    I.UNIT_OF_MEASURE, 
    I.MINIMUM_CHARGE, 
    I.WEEKLY_CHARGE, 
    I.MONTHLY_CHARGE, 
    I.START_OF_BILLING_PERIOD, 
    I.END_OF_BILLING_PERIOD, 
    I.DAYS_USED, 
    I.WEEKS_USED, 
    I.DISCOUNT_PERCENTAGE, 
    I.TAX_CODE_FOR_ITEM, 
    I.INVENTORY_TYPE, 
    I.BILLING_LOGIC_TYPE, 
    I.ACTUAL_WEEKLY_CHARGE_USED, 
    I.DAYS_IN_ACTUAL_WEEKLY_CHARGE, 
    II.CHARGEABLE_DAYS, 
     II.CHARGEABLE_WEEKS, 
    II.CHARGEABLE_MONTHS, 
    II.FREE_DAYS_THIS_INVOICE, 
    CNV.TOTAL_NET_VALUE, 
    CNV.TOTAL_TAX_VALUE, 
    CNV.TOTAL_GROSS_VALUE, 
    CNV.TOTAL_GROSS_VALUE_NS, 
    CNV.NET_LINE_VALUE, 
    CMP.EMAIL_ADDRESS 
FROM (PRTINVHDR H INNER JOIN PRTINVITEM I ON H.CONNECTION_ID = I.CONNECTION_ID AND H.INVOICE_NUMBER = I.INVOICE_NUMBER) 
INNER JOIN INVOICEHDR HDR ON I.INVOICE_NUMBER = HDR.INVNO 
INNER JOIN CUSTOMERS CST ON H.CUST_ACCOUNT = CST.CUSTNUM 
INNER JOIN JOB JOB ON H.JOB_NUMBER = JOB.JOBNUM 
INNER JOIN CURRENCY CUR ON HDR.CURRENCY_ID = CUR.ID 
INNER JOIN VWCURRENCYCONVERSION CNV ON I.CONNECTION_ID = CNV.CONNECTION_ID AND I.INVC_UCOUNTER = CNV.INVC_UCOUNTER 
INNER JOIN COMPANY CMP ON H.OFFICE_CODE = CMP.OFFICE 
INNER JOIN INVOICEITEM II ON I.INVOICE_NUMBER = II.INVNO AND I.INVC_UCOUNTER = II.INVC_UCOUNTER 
ORDER BY 
    H.SEQUENTIAL_NO, 
    I.PRINT_SEQUENCE 
ASC 

---- 

COALESCE QUERY 

DECLARE 
    @DTICKET NVARCHAR(20), 
    @PUMPCATEGORYNAME NVARCHAR(3999) 

    SET @DTICKET = '' 
    SET @PUMPCATEGORYNAME = NULL 

(SELECT 
    @DTICKET = DTICKET, 
    @PUMPCATEGORYNAME = COALESCE(@PUMPCATEGORYNAME + ', ', '') + PUMPCATEGORYNAME 
FROM (SELECT 
     BHDR.DTICKET, 
     SCD.PUMPCATEGORYNAME 
    FROM PRTTICKHDR PHDR 
    INNER JOIN BIDHDR BHDR ON PHDR.DELIV_TICKET_NUMBER = BHDR.DTICKET 
    INNER JOIN PRTTICKITEM PITM ON PHDR.CONNECTION_ID = PITM.CONNECTION_ID AND PHDR.DELIV_TICKET_NUMBER = PITM.DELIV_TICKET_NUMBER 
    LEFT JOIN SUBCATEGORYDESCRIPTION SCD ON PITM.ITEM = SCD.PUMPCATEGORY 
    WHERE SCD.PUMPCATEGORYNAME IS NOT NULL) 
SUBCATEGORYDESCRIPTION) 

SELECT @DTICKET, @PUMPCATEGORYNAME 

Answer 1

不能确定你所要求的，但你可以做沿

Select col1 + ', ' + col2 + ', ' + col3 etc....