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​​​​​​​BPErrorTableFieldNotDefinedUsingType: Field must be defined using a type.

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Posted on by CU04051814-0 118
Hi,

i created a str computed column method, that returns literal
SysComputedColumn::returnLiteral(1), SysComputedColumn::returnLiteral(0)

And i got this BP warning: BPErrorTableFieldNotDefinedUsingType: Field must be defined using a type.

1. What EDT can i use for this one to remove the BP warning, as there is no str with 1 single character -- or shall i create a new EDT?

2. if i switch the method to NoYes instead of str (as i can create enum unmapped field)-- what shall i use instead of returnLiteral(1)?
 
3. if i switch the method to boolean instead of str -- what shall i use instead of returnLiteral(1)? also there is no /boolean un mapped field to choose in the first place
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Integrations
  • Suggested answer
    Martin Dráb Profile Picture
    Martin Dráb 223,308 Super User on at
    ​​​​​​​BPErrorTableFieldNotDefinedUsingType: Field must be defined using a type.
    1) 10 isn't the minimum string length. You can use 1 if you want.
    2) Yes, the return value of the method must be string, because it's actually a piece of SQL code.
    3) You can use enums; you're just doing it wrong. If you look at your own screenshot, you'll see Enum Unmapped Field, which is what you need to use. The method will still return a string, as discussed in the previous point. You can find many examples in the standard application, e.g. SalesOrderLineCDSV2Entity::areTotalsComputedColumnDefinition().
  • CU04051814-0 Profile Picture
    CU04051814-0 118 on at
    ​​​​​​​BPErrorTableFieldNotDefinedUsingType: Field must be defined using a type.
    Hi


    1. When you  say "Create a new one when no suitable one exists." As i said, returnLiteral(1) is only 1 single character, so shall i create a new EDT with extended dataType string10? as this is the minimum?
    or since i'm not going to use it other than here, then there is no need to create a new EDT, i can just amend the edt on the computed column to string10, then add the label to both the entity field and staging table field?
     
    2. You mean i can leave my method return type as str, but use returnLiteral(NoYes::Yes) instead of returnLiteral(NoYes::1)?
    as enums as stored as integers, and returnLiteral will convert the result to str which would still result in 0 or 1?
     
    3. I don't think I can use enums as computed columns, maybe it's a bug from microsoft, which means i can't also use booleans
  • Suggested answer
    Martin Dráb Profile Picture
    Martin Dráb 223,308 Super User on at
    ​​​​​​​BPErrorTableFieldNotDefinedUsingType: Field must be defined using a type.
    1. Use a data type that correctly describes the purpose of field (Name, Label, HelpText). Create a new one when no suitable one exists.
    2. You could technically use what you already have, because NoYes is stored as 0 or 1. But returnLiteral(NoYes::Yes) and returnLiteral(NoYes::No) will be better. But make sure you use an EDT with a specific label etc., as discussed above.
    3. boolean is an enum type, therefore it's the same situation as in the previous point.

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