RE: SQL query fails, confused over leading character of 6 digit field

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of dale janus


We want to select by year, so all we need are the last 2
characters of
the field. This works ok for months 10, 11 and 12 when the field is
full. For the other 9 months, when there is a zero in the first
position, it gives fetch failure errors.

SQL is performing default numeric to character conversion. That appears to be CHAR() conversion, which drops leading zeros from the numeric input. Thus your substring specification starting position is off by one; the digits to compare are shifted one position left. Using DIGITS() instead of the default conversion helps as that function does not drop leading zeros.

You might want to specify a character value for comparison to avoid another under-the-covers conversion:

select where digits() = '10' ....

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