If you are using a IBM® DB2® data source, the subtract operator
is invalid if you combine the datatypes timestamp2 and packed
decimal.
When creating an expression that for use in a double-byte environment, such as Japanese, the
only special characters that work are ASCII-7 and ~ -- || - $ ¢ £ ¬.
Procedure
- From the Toolbox tab , drag Query
Calculation to the report.
- In the Name box, type a meaningful
name for your expression.
For example, if you are calculating
the difference between 2007 revenue and 2006 revenue, you could name
your expression 2007 - 2006 Revenue.
- Click the type of calculation that you want to create,
and select the hierarchy or dimension that contains the data that
is the focus of your calculation.
- In the Available Components pane,
define the calculation:
- Specify how you want to view the available data items in your
data package by clicking the view member tree button or
the view package tree button .
- To add data items that are not shown in the report, on the source
tab ,
double-click the data items.
- To add data items that are in the report but not necessarily in
the model, such as calculations, double-click the data items on the
data items tab .
- To add functions, summaries, and operators, on the functions tab ,
double-click elements.
Tip: To filter the visible functions,
summaries, and operators in the
Available Components pane,
click the filter button
and filter by the function type, what the function
returns, or what the function acts on.
Tip: You can also type the calculation directly
in the Expression Definition box. When typing
date values, ensure that the date format is correct for your database
type.
- Click the validate button .
Any validation errors
appear on the Errors tab of the Information pane.
Tip: - To show or hide the Available Components pane,
click the blue arrow to the right of the pane.
- To show or hide the Information pane, click
the blue arrow above the pane.
- To copy and paste expression components in the Expression
Definition pane, use the copy button and the paste
button .