Casting to a shorter string type does not warn about truncation
---------------------------------------------------------------
Key: DERBY-5537
URL: https://issues.apache.org/jira/browse/DERBY-5537
Project: Derby
Issue Type: Bug
Components: SQL
Affects Versions: 10.8.2.2
Reporter: Knut Anders Hatlen
SQL:2003, part 2, 6.12 <cast specification> specifies that a truncation warning
should be raised when casting from one (character or binary) string data type
to another. Derby does truncate, but it doesn't raise a warning:
ij> values cast('abc' as char(2));
1
--
ab
1 row selected
ij> values cast(x'cafebabe' as char(2) for bit data);
1
----
cafe
1 row selected
We should generate a warning in order to be compliant.
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