JDBCDataStore should fetch data in batches
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Key: GEOT-2004
URL: http://jira.codehaus.org/browse/GEOT-2004
Project: GeoTools
Issue Type: Improvement
Components: data h2
Affects Versions: 2.5.0, 2.6-M0
Reporter: Andrea Aime
Fix For: 2.5.0, 2.6-M0
The current code does not set a fetch size on reads, on most database this will
open a client side cursor that will slurp all the results in memory on query
execution, making the code memory bound. Adding setFetchSize(200) or so
prevents this.
We may also want to expose the fetch size to the user for better control (the
user might know that 200 is inappropriate because the single geometry is huge
or the feature has big clob/blob fields, or something like that).
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