Finally there is a new version of patch (in attachments).It provides multicolumn index-only scan for GiST indexes.- Memory leak is fixed.- little code cleanup- example of performance test in attachmens- function OIDs have debugging values (1111*) just to avoid merge conflicts while testing patchWiki page of the project ishttps://wiki.postgresql.org/wiki/Support_for_Index-only_scans_for_GIST_GSoC_2014Waiting for feedback.
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Соглашаюсь с условиями обработки персональных данных