SAP EXPRESSIONS



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Expressions
The following expressions can be specified in expression positions:
Write positions
Declaration expressions
Certain constructor expressions
Certain table expressions
Read positions
Logical expressions
Constructor expressions
Table expressions and mesh path expressions
Arithmetic expressions
String expressions
Bit expressions
An expression in a write position has a result that is assigned a value.
An expression in a read position has a result that is used as an operand in the statement. Logical expressions can contain calculation expressions, that is, arithmetic expressions, string expressions, and bit expressions as operands of relational expressions. The three different calculation expression types cannot currently be mixed within a calculation expression.



Latest notes:

Although the calculation expression types cannot be mixed directly, a different type of expression can be used as an argument of a allowed function in another expression. In the same way, logical expressions can occur as arguments of Boolean functions in calculation expressions.
In AB_SQL , three other kinds of expressions are possible:
SQL expressions
Aggregate expressions
SQL path expressions The ABAP expressions above can be used as host expressions in AB_SQL .
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