Help - With Script -- sql server (alternate)

sql server (alternate) : Help - With Script

David M Loraine
1/13/2004 11:11:01 PM

I am a sql novice and would appreciate any help with the following problem.

In a table I have property addresses stored in 6 fields. Field6 always hold
the Post Code. However, fields 4 and 5 are sometime NULL. Using the
desktop integration package we have which interfaces with MS Word when
printing an address in a letter the end results often end up looking like
this.

1 Any Street
AnyTown
AnyCounty
"Null"
"Null"
PostCode

It is not a normal Mail merge so it is not possible to use the functionality
available within MS Word to not print empty fields. Therefore I need to do
a check within SQL on the null field so that when I pass the values which
are printed as fields within MS Word the variables created by the SELECT
statement are passed over like this

1 Any Street
AnyTown
Anycounty
PostCode
"Null"
"Null"

So in brief I guess what I am after is a script which as it passes the
values in fields 1-6 to variable 1-6 it always ensures that the field
containing values end up in the first variables and the remaining variable
are left as Null.

I hope this explanation is not too confusing.

Thanks

David
--

David M Loraine

life is a holiday from eternity - eternity is a long time - so enjoy your
life !!

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Muhd
1/14/2004 12:42:12 AM

Do you have access to the SQL that generates your return results?

If so you could use the ISNULL() function (not sure if this is DB specific,
I know it works with MS SQL).

So you could do something like this:

SELECT
ISNULL ( Street, '' ),
ISNULL ( Town, '' ),
ISNULL ( County, ''),
ISNULL ( PostalCode, '' ),
ISNULL ( FieldX, '' )
ISNULL ( FieldY, '' )
FROM User_Addresses

Basically the server checks each value as it comes out of the database to
see if its Null, if it is it replaces the null value with whatever is in the
quotes. In my example the null value is simply replaced with an empty
string.

Hope this help.
</Muhd>

[quoted text, click to view]

Martin Feuersteiner
1/14/2004 1:16:21 PM

Hi David

You can use something like the following. I had created a table called
'Address' with fields 'Address1', 'Address2', 'City', 'Postcode'. You can
remove the PRINTs. I let them stay in, in case you want to run it in Query
Analyzer for debugging.

DECLARE
@Address1 varchar(50),
@Address2 varchar(50),
@City varchar(50),
@Postcode varchar(50)

DECLARE Address_Cursor CURSOR
FOR SELECT Address1, Address2, City, Postcode FROM Address

OPEN Address_Cursor
FETCH NEXT FROM Address_Cursor
INTO @Address1, @Address2, @City, @Postcode

WHILE @@FETCH_STATUS = 0
BEGIN
IF (@Address1 IS NULL) OR (@Address1 = '')
BEGIN
SET @Address1 = @Address2
SET @Address2 = @City
SET @City = @Postcode
SET @Postcode = ''
END

IF (@Address2 IS NULL) OR (@Address2 = '')
BEGIN
SET @Address2 = @City
SET @City = @Postcode
SET @Postcode = ''
END

IF (@City IS NULL) OR (@City = '')
BEGIN
SET @City = @Postcode
SET @Postcode = ''
END

PRINT @Address1
PRINT @Address2
PRINT @City
PRINT @Postcode
PRINT '-----------------------------'

FETCH NEXT FROM Address_Cursor
INTO @Address1, @Address2, @City, @Postcode
END

CLOSE Address_Cursor
DEALLOCATE Address_Cursor

[quoted text, click to view]

David M Loraine
1/14/2004 10:45:15 PM

Here is script in question, although it is really just the select part that
needs the work on it I believe.

The variables par_adr_line1 etc are passed to MS Word to form the address
which is printed in the letters, field 6 always holds the the post code and
as you can see it is always formatted to be in uppercase.

Frequently though fields 4 and 5 are null and consequently when the address
is printed it looks a little untidy as there is a large gap between the last
address line and the post code. What I need to happen is that when a blank
field is found in the dbase the next value down is moved up so that for
example if ad.adr_line_4 and 5 are empty the value in ad,adr_line_6 ends up
being in field par_adr_line4 or if only ad.adr_line_5 is empty then the
value in ad.adr_line_6 ends up in par_adr_line5.

I hope this clarifies my enquiry

Select initcap(ad.adr_line_1) par_adr_line1,

initcap(ad.adr_line_2) par_adr_line2,

initcap(ad.adr_line_3) par_adr_line3,

initcap(ad.adr_line_4) par_adr_line4,

initcap(ad.adr_line_5) par_adr_line5,

upper(ad.adr_line_6) par_adr_line6

from tenancy_instances ti,

household_persons ho,

address_usages au,

addresses ad

where ti.tin_tcy_refno = '$tenancy_ref'

and ad.adr_refno = au.aus_adr_refno

and au.aus_aut_fao_code = 'PAR'

and au.aus_aut_far_code = (select max(au2.aus_aut_far_code)

from

address_usages au2

where

au2.aus_par_refno = au.aus_par_refno

and

au2.aus_aut_fao_code = 'PAR'

and sysdate

between au2.aus_start_date and nvl(au2.aus_end_date, sysdate)

and

au2.aus_aut_far_code in ('CONTACT', 'CORRESPOND'))

and ti.tin_main_tenant_ind = 'Y'

and ti.tin_hop_refno = ho.hop_refno

and ho.hop_par_refno = au.aus_par_refno

and sysdate between au.aus_start_date and nvl(au.aus_end_date, sysdate+1)

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David M Loraine
1/14/2004 10:48:43 PM

Muhd
1/15/2004 3:22:40 AM

By no means am i an expert and god i hope im not stearing you wrong but im
pretty sure you can simply do what i suggested above, to help you out i
changed the first six lines of your script to reflect what i was talking
about in my earlier post. You shouldn't need to change any other parts of
your script. Note that if the value is null in the database intead of
returning "null" your script should now just return blank data (i.e. an
empty string).

Select isnull(initcap(ad.adr_line_1),'')
par_adr_line1,
isnull(initcap(ad.adr_line_2),'') par_adr_line2,
isnull(initcap(ad.adr_line_3),'') par_adr_line3,
isnull(initcap(ad.adr_line_4),'') par_adr_line4,
isnull(initcap(ad.adr_line_5),'') par_adr_line5,
isnull(upper(ad.adr_line_6),'') par_adr_line6

It might not be the "best" way but its "a" way and it should work.
Best,
Muhd.

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