Appian Community
Site
Search
Sign In/Register
Site
Search
User
DISCUSS
LEARN
SUCCESS
SUPPORT
Documentation
AppMarket
More
Cancel
I'm looking for ...
State
Not Answered
+1
person also asked this
people also asked this
Replies
18 replies
Subscribers
7 subscribers
Views
8604 views
Users
0 members are here
Share
More
Cancel
Related Discussions
Home
»
Discussions
»
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
Discussion posts and replies are publicly visible
Top Replies
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.
Parents
0
Mike Schmitt
Certified Lead Developer
over 9 years ago
Per what others have said - if it absolutely has to be done this way, other than designing some new plugin to interpret the text commands, all I can think of personally would be to break up the text expressions into separate pieces and evaluate them via conditional statements (which would be difficult). You'd have to have a well-defined business rule regarding what format the expressions could have (i.e. the operators they could handle, the length, etc), but the plus side is that the evaluation rule could always be expanded in the future to handle more things.
Cancel
Vote Up
0
Vote Down
Sign in to reply
Verify Answer
Cancel
Reply
0
Mike Schmitt
Certified Lead Developer
over 9 years ago
Per what others have said - if it absolutely has to be done this way, other than designing some new plugin to interpret the text commands, all I can think of personally would be to break up the text expressions into separate pieces and evaluate them via conditional statements (which would be difficult). You'd have to have a well-defined business rule regarding what format the expressions could have (i.e. the operators they could handle, the length, etc), but the plus side is that the evaluation rule could always be expanded in the future to handle more things.
Cancel
Vote Up
0
Vote Down
Sign in to reply
Verify Answer
Cancel
Children
No Data