![]() ![]() Product and division operators can introduce a data type conversion for the result. The result should be 1E15, but because it is a number that cannot be represented in a currency data type, the outcome of the expression is a negative number: -844,674,407,370,955.1616 Currency (aka Fixed Decimal Number)Īs long as you use sum and subtraction operators between currency and integer or other currency values, the result is still a currency data type subject to the behavior of integers in case of overflow – because the underlying representation of a currency is an integer data type.įor example, consider the following expression:ĬONVERT ( 5E14, CURRENCY ) + CONVERT ( 5E14, CURRENCY ) The integer result should be 1E19, but because it is a number that cannot be represented in a 64-bit integer, the outcome of the expression is a negative number: -8,446,744,073,709,551,616Ī division between two integers cannot produce an overflow: its result is a floating point value, so an aggregation over that data type is subject to the rules described later. For example, consider the following expression:ĬONVERT ( 5E18, INTEGER ) + CONVERT ( 5E18, INTEGER ) If the result is outside of the range of values supported (from -9,223,372,036,854,775,808 or -2^63 to 9,223,372,036,854,775,807 or 2^63-1), there is an overflow condition, but there is no overflow error and the result is the least significant representable digits. Sum, subtraction, and multiplication between two integer values always return an integer value. In this article, we discuss the typical rounding behavior for each data type and how to avoid possible issues in your DAX formulas because of any differences from the results you may have expected. Therefore, the result of one same sequence of operations can produce different results depending on the data type and the order of execution. However, the result of a mathematical operation may produce a number that cannot be represented in the chosen data type, which requires a rounding operation. ![]() The first reason to choose a data type is the range of numbers supported and the precision.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |