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Alexey Botchkov authored
Points and lines should disappear if we got negative D. To make it work properly inside the GEOMETRYCOLLECTION, we add the empty operation there. bug #986977 Assertion `!cur_p->event' failed in Gcalc_scan_iterator::arrange_event(int, int). The double->inernal coord conversion produced -0 (minus zero) on some data. That minus-zero produces invalid comparison results when compared agains plus-zero. So we fixed the gcalc_set_double() to avoid it. per-file comments: mysql-test/r/gis-precise.result result updated. mysql-test/t/gis-precise.test tests for #977021 and #986977 added. sql/gcalc_slicescan.cc bug #986977. The gcalc_set_double fixed to not produce minus-zero. sql/item_geofunc.cc bug #977021. Add the NOOP for the disappearing features.
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