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Limitations
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- The current implementation of
GiST within
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PostgreSQL has some major limitations:
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GiST index access is not concurrent, and the
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GiST interface doesn't allow the development of certain
- data types, such as digital trees (see papers by Aoki et al).
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- Solutions to the concurrency problems appear in Marcel Kornacker's
- thesis; however these ideas have not yet been put into practice in the
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PostgreSQL implementation.
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Examples