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PostgreSQL 11 and Just in Time Compilation of Queries

213 点作者 ScottWRobinson超过 6 年前

4 条评论

minxomat超过 6 年前
HPE did an excellent technical, no marketing BS writeup on PG11[0]. I highly recommend everyone interested in the new features read this.<p>[0] <a href="https:&#x2F;&#x2F;h50146.www5.hpe.com&#x2F;products&#x2F;software&#x2F;oe&#x2F;linux&#x2F;mainstream&#x2F;support&#x2F;lcc&#x2F;pdf&#x2F;PostgreSQL_11_New_Features_beta1_en_20180525-1.pdf" rel="nofollow">https:&#x2F;&#x2F;h50146.www5.hpe.com&#x2F;products&#x2F;software&#x2F;oe&#x2F;linux&#x2F;mains...</a>
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citilife超过 6 年前
I&#x27;m curious if we will see similar improvements for full-text search. If PostgreSQL continues to improve at this rate, there will be little reason to use many of alternatives...<p>Personally, I already view PostgreSQL comparable (for many use cases) to paid options[1].<p>Interesting, for queries such as:<p><pre><code> EXPLAIN ANALYZE SELECT * FROM (SELECT * FROM sort1 ORDER BY 1) AS a LIMIT 5 ; </code></pre> You&#x27;ll see an order of magnitude speed improvement (page 47 of [2]).<p>[1] <a href="https:&#x2F;&#x2F;austingwalters.com&#x2F;fast-full-text-search-in-postgresql&#x2F;" rel="nofollow">https:&#x2F;&#x2F;austingwalters.com&#x2F;fast-full-text-search-in-postgres...</a><p>[2] <a href="https:&#x2F;&#x2F;h50146.www5.hpe.com&#x2F;products&#x2F;software&#x2F;oe&#x2F;linux&#x2F;mainstream&#x2F;support&#x2F;lcc&#x2F;pdf&#x2F;PostgreSQL_11_New_Features_beta1_en_20180525-1.pdf" rel="nofollow">https:&#x2F;&#x2F;h50146.www5.hpe.com&#x2F;products&#x2F;software&#x2F;oe&#x2F;linux&#x2F;mains...</a>
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jarym超过 6 年前
Very exciting stuff happening in the PG world. One of the items I&#x27;m watching is support for foreign keys in arrays - <a href="https:&#x2F;&#x2F;commitfest.postgresql.org&#x2F;17&#x2F;1252&#x2F;" rel="nofollow">https:&#x2F;&#x2F;commitfest.postgresql.org&#x2F;17&#x2F;1252&#x2F;</a><p>Author is currently stuck and I hope someone with the right knowledge can help him out so he can continue the work.
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munk-a超过 6 年前
It looks like (reading through the release notes and some not very recent mailing list threads) that CTE optimization fences will not be removed in PostgreSQL 11.<p>This makes me very sad.
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