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5374541210554523

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5374541210554523 Commented on

PostgreSQL: How to Optimize Spatial Index-based Query Performance for Multipolygon Data

In this article, the author discusses optimizing spatial index-based query performance for multipolygon data in PostgreSQL.

请问第一张图是怎么做出来的?GiST R树索引就一层树吗?
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