troubleshooting Question

Pervasive SQL (PSQL): Expression evaluation error

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PerfishentFlag for United States of America asked on
Databases
8 Comments1 Solution1269 ViewsLast Modified:
Why does this code cause an expression evaluation error?

SELECT SUM(pay_amt)
FROM pr_wcomp
WHERE YEAR(pay_date) = 2013

But this code does not:

SELECT pay_amt
FROM pr_wcomp
WHERE YEAR(pay_date) = 2013

The pay_amt column is a double, and the pay_date column is a date.
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