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AI and Rules
Is there a way to convert a String to evaluable SAIL expression ? I
Raj Yadla
over 9 years ago
Is there a way to convert a String to evaluable SAIL expression ?
I have a comparative expression saved in a database field, I need to retrieve it from the database and evaluate it within a condition in SAIL.
OriginalPostID-137948
OriginalPostID-137948
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jackm829
over 9 years ago
+1
A Score Level 3
You could try eval(). My understanding is that this is an undocumented function. You will have to test to make sure that it works with your Appian version. Example: eval("count({1,2,3})") returns 3. In…
Raj Yadla
over 9 years ago
+1
Thanks all ,eval() did the trick for me.
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radhaa
over 9 years ago
Hi rajendray,
According to your comments, you need a decision table (which contains set of dynamic rules like nested if conditions/multiple conditional constraints, which might be handled by end user also). So to achieve this you stored those rules in DB and try to evaluate it.
But AFAIK, you can't able to do that in Appian.
If you have fixed set of operators, comparing values also be quantifiable numbers and only one operator is used for each expression like 10>20, then you may try by splitting the expression by operator.
As your comments ,I think you don't want this.
So my suggestion is consider your requirement once and design it in Appian supported way.
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radhaa
over 9 years ago
Hi rajendray,
According to your comments, you need a decision table (which contains set of dynamic rules like nested if conditions/multiple conditional constraints, which might be handled by end user also). So to achieve this you stored those rules in DB and try to evaluate it.
But AFAIK, you can't able to do that in Appian.
If you have fixed set of operators, comparing values also be quantifiable numbers and only one operator is used for each expression like 10>20, then you may try by splitting the expression by operator.
As your comments ,I think you don't want this.
So my suggestion is consider your requirement once and design it in Appian supported way.
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