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Teodor Sigaev acdf2a8b37 Introduce SP-GiST operator class over box. ... Patch implements quad-tree over boxes, naive approach of 2D quad tree will not work for any non-point objects because splitting space on node is not efficient. The idea of pathc is treating 2D boxes as 4D points, so, object will not overlap (in 4D space). The performance tests reveal that this technique especially beneficial with too much overlapping objects, so called "spaghetti data". Author: Alexander Lebedev with editorization by Emre Hasegeli and me		10 years ago
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sgml	Introduce SP-GiST operator class over box.	10 years ago
Makefile	Remove maintainer-check target, fold into normal build	12 years ago