We memorize all internal and empty leaf pages in the 1st vacuum stage for gist indexes. They are used in the 2nd stage, to delete all the empty pages. There was a memory context page_set_context for this purpose, but we never used it. Reported-by: Amit Kapila Author: Dilip Kumar Reviewed-by: Amit Kapila Backpatch-through: 12, where it got introduced Discussion: https://postgr.es/m/CAA4eK1LGr+MN0xHZpJ2dfS8QNQ1a_aROKowZB+MPNep8FVtwAA@mail.gmail.com |
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.. | ||
brin | ||
common | ||
gin | ||
gist | ||
hash | ||
heap | ||
index | ||
nbtree | ||
rmgrdesc | ||
spgist | ||
table | ||
tablesample | ||
transam | ||
Makefile |