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Add Comma If Next Field Is Not Null


Add Comma If Next Field Is Not Null

By : user2953153
Date : November 20 2020, 01:01 AM
hope this fix your issue In Access, what you have will result in null if any of the fields are null. The following should provide what you specified. [LastName] & ", " + [FirstName] & ", " + [Salutation]
code :


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reporting services expression avoid comma if the field value is null

reporting services expression avoid comma if the field value is null


By : Polymorphic00
Date : March 29 2020, 07:55 AM
Any of those help I have the following expression and displays the comma after each column. I do not want show the comma(,) after each field value, if the field value is null. I would appreciate any help. thank you. , Use a stored procedure. Then you can say:
code :
SELECT COALESCE(address + ',', '') + COALESCE(city + ',', '') + ...
Regular expression to validate currency field which can have comma and null

Regular expression to validate currency field which can have comma and null


By : dwt
Date : March 29 2020, 07:55 AM
it fixes the issue It is always better not to use regex for matching integer range. But incase if you really need it try below regex.
Regex for matching date
code :
^\d{4}-((?=0)(0[1-9])|(?=1)(1[012]))-((?=[0])(0[1-9])|(?=[12])(\d{2})|(?=[3])(3[01]))\s+([01]\d|(?=2)(2[0-3])):([012345]\d)$
^(:?(?=[^0])(\d{1,3},?){1,3}|0)(\.\d{1,2})?$
To read a field with comma and quotes in csv where comma is delimiter - pyspark

To read a field with comma and quotes in csv where comma is delimiter - pyspark


By : Michael
Date : March 29 2020, 07:55 AM
To fix this issue you can use sparkContext to read the files and split with multiple characters as "," and then convert the rdd to dataframe as below
code :
rdd = sc.textFile("file.csv")

def replaceFunc(words):
    result = []
    for word in words.split("\",\""):
        result.append(word.replace("\"", ""))
    return result

rdd.map(replaceFunc).toDF().show(1, False)
+----------+----------+----------+-------+---+---+---+------------------------------------------------------------------------------+----+---------------+
|_1        |_2        |_3        |_4     |_5 |_6 |_7 |_8                                                                            |_9  |_10            |
+----------+----------+----------+-------+---+---+---+------------------------------------------------------------------------------+----+---------------+
|2017-11-01|2017-10-29|2017-11-04|4532491|   |   |   |Natural States: The Environmental Imagination in Maine, Oregon, and the Nation|1000|Richard W. Judd|
+----------+----------+----------+-------+---+---+---+------------------------------------------------------------------------------+----+---------------+
How to parse a comma delimited string when comma and parenthesis exists in field

How to parse a comma delimited string when comma and parenthesis exists in field


By : Suresh Meka
Date : March 29 2020, 07:55 AM
wish helps you I have this string in C#
MySQL CONCAT: Add a comma/separator only when field is NOT NULL

MySQL CONCAT: Add a comma/separator only when field is NOT NULL


By : Jane Mest
Date : March 29 2020, 07:55 AM
it should still fix some issue The documentation for Concat_WS tell us that it will skip any Null field but not an empty string. You must therefore remove the call to IfNull(sfo.coupon_code, "") that convert the Null value into an empty string.
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