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http://jira.codehaus.org/browse/GEOT-2683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrea Aime reopened GEOT-2683:
-------------------------------
Reopen after Ivan reporting issues with some one-byte charsets
> Speed up dbf reading when the target charset is not multibyte
> -------------------------------------------------------------
>
> Key: GEOT-2683
> URL: http://jira.codehaus.org/browse/GEOT-2683
> Project: GeoTools
> Issue Type: Improvement
> Components: data shapefile
> Affects Versions: 2.6-M2
> Reporter: Andrea Aime
> Assignee: Andrea Aime
> Fix For: 2.6-M2
>
> Attachments: GEOT-2683.patch, GEOT-2683.patch, ReadSpeedTest.java
>
>
> Decoding the bytes of the dbf row into chars is one of the most expensive
> operations the shapefile reader is doing (when the dbf is opened at all, that
> is).
> This is due to che usage of the Decoder class, which is pretty generic.
> A custom code path that just assumes the 1-1 byte-char correspondance is
> quite a bit faster (15-20% overall while reading statepop.shp)
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