Mark Grover created HIVE-3820:
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Summary: Consider creating a literal like "D" or "BD" for
representing Decimal type constants
Key: HIVE-3820
URL: https://issues.apache.org/jira/browse/HIVE-3820
Project: Hive
Issue Type: Bug
Reporter: Mark Grover
When the HIVE-2693 gets committed, users are going to see this behavior:
{code}
hive> select cast(3.14 as decimal) from decimal_3 limit 1;
3.140000000000000124344978758017532527446746826171875
{code}
That's intuitively incorrect but is the case because 3.14 (double) is being
converted to BigDecimal because of which there is a precision mismatch.
We should consider creating a new literal for expressing constants of Decimal
type as Gunther suggested in HIVE-2693.
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