Mike G <mike@thegodshalls.com> writes:
> If a column, data type text, with 22 characters of data, is then CAST(column_name as varchar(20)) shouldn't a warning or error be generated?
No. This is per SQL spec.
You will get a warning if you assign the value to a varchar(20) table
column *without* any explicit cast. This is also per SQL spec.
regards, tom lane
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