Re: fix cost subqueryscan wrong parallel cost

From:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To:	"David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc:	Robert Haas <robertmhaas(at)gmail(dot)com>, Richard Guo <guofenglinux(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: fix cost subqueryscan wrong parallel cost
Date:	2022-04-29 19:38:03
Message-ID:	440376.1651261083@sss.pgh.pa.us
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Thread:	2022-04-12 06:57:16 from "bucoo(at)sohu(dot)com" <bucoo(at)sohu(dot)com> 📎  2022-04-14 16:49:55 from Robert Haas <robertmhaas(at)gmail(dot)com>   2022-04-15 09:16:44 from Richard Guo <guofenglinux(at)gmail(dot)com>    2022-04-15 10:06:25 from "bucoo(at)sohu(dot)com" <bucoo(at)sohu(dot)com>     2022-04-18 13:44:49 from Robert Haas <robertmhaas(at)gmail(dot)com>      2022-04-20 14:00:46 from "bucoo(at)sohu(dot)com" <bucoo(at)sohu(dot)com>       2022-04-20 14:13:53 from Robert Haas <robertmhaas(at)gmail(dot)com>        2022-04-21 06:38:22 from "bucoo(at)sohu(dot)com" <bucoo(at)sohu(dot)com>         2022-04-21 12:00:30 from Robert Haas <robertmhaas(at)gmail(dot)com>          2022-04-22 03:35:43 from "bucoo" <bucoo(at)sohu(dot)com>         2022-04-22 15:55:10 from "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>          2022-04-28 16:53:39 from Robert Haas <robertmhaas(at)gmail(dot)com>           2022-04-29 01:30:34 from "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> 📎           2022-04-29 08:35:59 from Richard Guo <guofenglinux(at)gmail(dot)com>            2022-04-29 14:02:18 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>             2022-04-29 14:39:39 from "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>             2022-04-29 14:54:16 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>              2022-04-29 15:53:15 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 📎               2022-04-29 18:09:51 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                2022-04-29 19:06:58 from "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>                 2022-04-29 19:31:50 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                  2022-04-29 19:38:03 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 📎                   2022-05-02 20:54:39 from Robert Haas <robertmhaas(at)gmail(dot)com>                    2022-05-02 21:24:51 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                     2022-05-03 13:07:47 from Robert Haas <robertmhaas(at)gmail(dot)com>                      2022-05-03 18:13:54 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                       2022-05-03 18:37:22 from Robert Haas <robertmhaas(at)gmail(dot)com>                        2022-05-04 18:48:38 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                  2022-04-29 20:29:20 from "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>    2022-04-15 10:10:59 from Justin Pryzby <pryzby(at)telsasoft(dot)com>
Lists:	pgsql-hackers

Attachment	Content-Type	Size
change-cost_subqueryscan-rowcount-estimate-2.patch	text/x-diff	2.4 KB

In response to

• Re: fix cost subqueryscan wrong parallel cost at 2022-04-29 19:31:50 from Tom Lane

Responses

• Re: fix cost subqueryscan wrong parallel cost at 2022-05-02 20:54:39 from Robert Haas

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