Reduce exponential cost of pulling up deeply nested views

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Title Reduce exponential cost of pulling up deeply nested views
Topic Performance
Created 2021-04-18 20:18:57
Last modified 2021-04-18 20:19:18 (2 weeks, 6 days ago)
Latest email 2021-04-18 20:42:11 (2 weeks, 6 days ago)
Status
2021-07: Needs review
Target version
Authors Tom Lane (tgl)
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Planning time grows exponentially with levels of nested views
First at 2021-04-18 18:58:53 by "Joel Jacobson" <joel at compiler.org>
Latest at 2021-04-18 20:42:11 by "Joel Jacobson" <joel at compiler.org>
Latest attachment (save-cycles-in-repeated-subquery-pullup-1.patch) at 2021-04-18 20:14:07 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (save-cycles-in-repeated-subquery-pullup-1.patch) at 2021-04-18 20:14:07 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
History
When Who What
2021-04-18 20:19:18 Tom Lane (tgl) Changed authors to Tom Lane (tgl)
2021-04-18 20:18:58 Tom Lane (tgl) Attached mail thread 797aff54-b49b-4914-9ff9-aa42564a4d7d@www.fastmail.com
2021-04-18 20:18:57 Tom Lane (tgl) Created patch record
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