剩下的任务是验证键生成器和范围生成器函数是否能正常地运行。
The remaining task is to verify the proper functioning of the key generator and range producer functions.
用于在INSERT和UPDATE操作中构造索引键的键生成器函数。
Key generator function to construct index key during INSERT and UPDATE operations.
用于定义在查询执行期间空间索引的搜索范围的范围生成器函数。
Range producer function to define the search ranges for the spatial index during query execution.
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