addBindVarIfThenElse method
Adds one condition-depended pair of name-value binded to query Sample:
.addBindVarIfThenElse(
user_name!=null, 'user_name', user_name, 'max_user_age', 30 )
Implementation
QueryWithClient addBindVarIfThenElse(bool cond, String nameIfTrue,
valueIfTrue, nameIfFalse, valuesIfFalse) =>
addBindNameValuePair(BindVarIfThenElse(
cond, nameIfTrue, valueIfTrue, nameIfFalse, valuesIfFalse));