Hover over nodes in the tree below to see which spatial region they correspond to:
But, range queries are not supported by the GIN index; asking for all products with the SIZE variations having value in a certain number range will not utilize the index. In cases like this, it is necessary to move some fields out of JSON documents to separate columns/tables and index them traditionally, using old and proven B-trees. In these instances, Mongo is more forgiving and flexible. It allows for strategies of the kind:
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全年净亏损却同比扩大 302.3%，达到 18.71 亿美元。，这一点在safew官方下载中也有详细论述