By default finders and selects should retrieve all CMP fields not mapped to LOB
columns
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Key: GERONIMO-1052
URL: http://issues.apache.org/jira/browse/GERONIMO-1052
Project: Geronimo
Type: Improvement
Versions: 1.0-M5, 1.0-M4, 1.0-M3, 1.0-M2, 1.0-M1
Reporter: Gianny Damour
Assigned to: Gianny Damour
Fix For: 1.0
By default, finders and selects return the primary key fields of the queried
CMP. This default behaviour is problematic in the following scenario, which
seems to be rather common (e.g. dayTrader):
1. start a transaction;
2. execute a finder or select;
3. read CMP fields; and
4. commit transaction.
At step 2, returned entities are associated to the transactional context.
However, only their primary key fields are loaded. At step 3, each accessed CMP
field needs to be initialized. In other words, a SQL query is executed for each
CMP field.
I think that by default, all the CMP fields, which are not mapped to LOB
columns should be loaded.
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