Limitation To The Number Of Nested IIf Statements Within A Calculated Field.
Jan 22, 2008
Hello all
I was wondering if there is limitation to the number of IIf statements that can be nested in a calculated field.
Basically I need to assign a particular ‘label code’ to a record that will be derived from data with in several fields within the query. The data from the table (that the query is derived from) will be completely deleted and recreated on occasions, meaning I can not write data back to the table as it would be lost when the re-creation happens.
There is a possibility of many derivations for the ‘label code’ (maybe up to 100) so the nested IIf code will be substantial.
If there is a better way to do what I want I am all ears however I am not a VB programmer so would rather stick to doing within the query design grid, or SQL at a stretch.
Anyway the main focus to the question is there a limitation to the number of nested IIF statements.
Example preliminary test code:
Thanks in advance for any help provided regards.
Daryl
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Mar 25, 2013
I am trying to get the output of several nested IIF expressions to show in only one filed in the table created. The output needs to be captured in a table. I am staring with create table to get it to work before I go ahead and use the sql to update the original table (the table the data is from)
I can get each to run fine independently and the whole thing runs too, the issue is it wants to put each expression in a new column, thus it is forcing me to label the expression.
Can I change this to only output in one column or add some more sql to do so?
Here is the SQL (table and filed names have been changed to protect the innocent)
BTW, I cannot change the Table the data comes from, I am stuck with the single table structure (BOO).
************************************************** *************
SELECT TABLE1.ID,
IIf([TABLE1]![STAGE]="D",
IIf([TABLE1]![PROJ_ACTUAL_D_DATE] Is Not Null,"Tier 1",
IIf([TABLE1]![APPROVAL_D]="Y","Tier 2",
[Code] .....
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Code:
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I get an error something like "wrong number of arguments or expression on comma.
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FROM tblNewTrans
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qry1000_006_01-Base4 syntax:
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=IIf([t_Days]<=2 And [Urgency Level]="Expedite (1-2 days)","Yes","No")_
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I've seen many times when using VBA people set up an initial foundation for writing code. For example when needing to put something in quotes, they do "" then enter the text in between, so they don't get errors on running (A very simple, crude example I know, but is there a similar basis for nested IFs).
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1) A Type field from my table
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My query has the following fields:
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I want to create a calculated field for [Projected Action 2] that says:
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if [Action 1] is NotNull, [Action 1] + 10 workdays
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[Code] ....
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Joe
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Dave
Dave
Dave
Dave
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Joe #3
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Henry #1
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Dave #4
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[Code] ....
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:confused:
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