0xC0047080.

Question

Hi All,
I'm getting two date fields from a flat file and i'm using a derived column to compute the difference between the dates and i'm using the following expression.
( [DtWarrantStart]  > 0 ? (( [DtWarrantStart] - [DtWarrantEnd] ) >= 0 ? ( [DtWarrantStart]  - [DtWarrantEnd]) : -1) : 0)
When i use the above expression i'm gettng them in RED letters and when i hover my mouse over it i'm seeing the following error message:
Error at Load Inactive Cases [Compute Inactive Days [34]]: The data types "DT_WSTR" and "DT_I4" are incompatible for binary operator ">". The operand types could not be implicitly cast into compatible types for the operation.
To perform this operation, one or both operands need to be explicitly cast with a cast operator.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Attempt to set the result type of binary operation "DtWarrantStart > 0" failed with error code 0xC0047080.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Computing the expression "( [DtWarrantStart] 
> 0 ? (( [DtWarrantStart] - [DtWarrantEnd] ) >= 0 ? ( [DtWarrantStart] 
- [DtWarrantEnd]) : -1) : 0)" failed with error code 0xC0047084. The expression may have errors, such as divide by zero, that cannot be detected at parse time, or there may be an out-of-memory error.
Error at Load Inactive Cases [Compute Inactive Days [34]]: The expression "( [DtWarrantStart] 
> 0 ? (( [DtWarrantStart] - [DtWarrantEnd] ) >= 0 ? ( [DtWarrantStart] 
- [DtWarrantEnd]) : -1) : 0)" on "output column "WarrantStartDate" (65)" is not valid.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Failed to set property "Expression" on "output column "WarrantStartDate" (65)".
Both the date fields are in the following format
"12072013","31129998",
Please need help.
Thanks

Answer 1

Thanks Mike for all the effort and help. I'm using the following expression and still ending with the error.
(DT_I4)DtWarrantStart > 0 ? ((DT_I4)DtWarrantEnd > 0 ? (DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4)
+ "-" + SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT_DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1, 2))) > 0 ? DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4)
+ "-" + SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT__DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1,2))) : -1) :-1) :0
Error:
TITLE: Microsoft Visual Studio
Error at Load Inactive Cases [Compute Inactive Days [34]]: Attempt to find the input column named "DT__DATE" failed with error code 0xC0010009. The input column specified was not found in the input column collection.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Attempt to parse the expression "(DT_I4)DtWarrantStart > 0 ? ((DT_I4)DtWarrantEnd > 0 ? (DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4)
+ "-" + SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT_DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1, 2))) > 0 ? DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4) +
"-" + SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT__DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1,2))) : -1) :-1) :0" failed and returned error code 0xC00470A2. The expression
cannot be parsed. It might contain invalid elements or it might not be well-formed. There may also be an out-of-memory error.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Cannot parse the expression "(DT_I4)DtWarrantStart > 0 ? ((DT_I4)DtWarrantEnd > 0 ? (DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4) + "-"
+ SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT_DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1, 2))) > 0 ? DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4) + "-" +
SUBSTRING(DtWarrantStart,3,2) + "-" + SUBSTRING(DtWarrantStart,1,2)),(DT__DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1,2))) : -1) :-1) :0". The expression was not valid, or there is an out-of-memory
error.
Error at Load Inactive Cases [Compute Inactive Days [34]]: The expression "(DT_I4)DtWarrantStart > 0 ? ((DT_I4)DtWarrantEnd > 0 ? (DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4) + "-" + SUBSTRING(DtWarrantStart,3,2)
+ "-" + SUBSTRING(DtWarrantStart,1,2)),(DT_DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1, 2))) > 0 ? DATEDIFF("DAY",(DT_DATE)(SUBSTRING(DtWarrantStart,5,4) + "-" + SUBSTRING(DtWarrantStart,3,2) +
"-" + SUBSTRING(DtWarrantStart,1,2)),(DT__DATE)(SUBSTRING(DtWarrantEnd,5,4) + "-" + SUBSTRING(DtWarrantEnd,3,2) + "-" + SUBSTRING(DtWarrantEnd,1,2))) : -1) :-1) :0" on "output column "Derived Column 1" (313)" is not valid.
Error at Load Inactive Cases [Compute Inactive Days [34]]: Failed to set property "Expression" on "output column "Derived Column 1" (313)".
ADDITIONAL INFORMATION:
Exception from HRESULT: 0xC0204006 (Microsoft.SqlServer.DTSPipelineWrap)
BUTTONS:
OK