Topic complex |
Selecting |
Function |
testsel() |
Short |
Returns the error code of a selection |
Syntax |
TESTSEL(selection : STRING) : INTEGER |
Parameter |
selection : logical expression as a STRING |
Return |
error code of the expression |
See also: |
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Description |
Returns 0, if the argument is a valid selection, otherwise the tdbengine error code.
This function is usefull, if a selection input for the user is startet.
Example:
see dmk.mod.
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