Improve handling of NUMERIC and DECIMAL types
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Key: GEOT-2362
URL: http://jira.codehaus.org/browse/GEOT-2362
Project: GeoTools
Issue Type: Improvement
Components: data jdbc-ng
Affects Versions: 2.5.3
Reporter: Andrea Aime
Assignee: Andrea Aime
Fix For: 2.5.4
At the moment both of those types are mapped to BigDecimal, but there is room
for more accurate type mapping.
Databases such as Oracle do not have a real "integer" type and compensate the
lack using NUMBER(x,0), which we should try to map to some integral type.
Now, the issue is that int and long require something like 11 and 19 digits
respectively, but cannot represent any number with that many digits.
So the issue would be that we can recognize NUMBER(18,0) as Long, but when we
go and use createSchema, we'd have to generate NUMBER(19,0) to allow every Long
to be mapped, and then map it back to BigInteger because we cannot really
represent any 19digits number with Long. Meh...
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