Difference between revisions of "DCS evaluateWhereExpression"
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number | number | ||
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=== Example === | === Example === | ||
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print(DCS_evaluateWhereExpression(expression1)); | print(DCS_evaluateWhereExpression(expression1)); | ||
− | print(DCS_evaluateWhereExpression(expression2)); | + | print(DCS_evaluateWhereExpression(expression2)); |
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Revision as of 09:09, 20 December 2011
DCS_evaluateWhereExpression
Evaluate a WHERE expression
Syntax
DCS_evaluateWhereExpression(whereExpression)
Arguments
- whereExpression: is string. ex: "selectColumn(Id) where true;"
Return value
Execute the where expression and return an object depending on where expression:
WhereExpression |
Return type |
average |
empty |
count |
number |
max |
number |
median |
number |
min |
number |
percentile |
number |
quantile |
number |
select |
empty |
selectColumn |
array |
stdev |
number |
sterr |
number |
sum |
number |
variance |
number |
Example
number dcsResourceId1 = DCS_getCurrentDcsResourceId();
number dcsResourceId2 = 123456;
string expression1 = "average(Single2) where true;";
string expression2 = "min(Single2) where true;";
DCS_use(dcsResourceId2);
print(DCS_evaluateWhereExpression(expression1));
print(DCS_evaluateWhereExpression(expression2));