For the following script, DolphinDB reports the error: The function [nullFill] expects 2 argument(s), but the actual number of arguments is: 1 .
sqlCol(zfill_col, nullFill(0), zfill_col))
How to address this error?
How to address the DolphinDB error: The function [nullFill] expects 2 argument(s), but the actual number of arguments is: 1?
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In DolphinDB, the func parameter of
sqlCol(colName, [func], [alias], [qualifier])accepts a unary function with no arguments, but the functionnullFillis binary. You can use a partial application to fix the value of the second argument ofnullFillas 0. My script is listed as follows: