From: xianliang.ji@esgyn.cn
To: pgsql-bugs@lists.postgresql.org
Cc: Wang Xiao-Zhong <xiaozhong.wang@esgyn.cn>
Cc: Guo Heng <heng.guo@esgyn.cn>
Subject: Optimizer failed to generate plan
Date: Mon, 13 Feb 2023 18:24:45 +0800
Message-ID: <3ce0a99e71d27c47a9d5e5589002da8c@esgyn.cn> (raw)
Hi PostgreSQL community,
Hello guys，I am a DBA and found the flowing issue when doing test on
postgresql. is there any plan to fix this issue？Thanks and feedback are
welcome.
xianliang.ji
Company: esgyn
Email: xianliang.ji@esgyn.cn
[postgres@mdw postgresql]$ /home/postgres/postgresql/install/bin/psql
psql (15.2)
Type "help" for help.
postgres=# select version();
version
---------------------------------------------------------------------------------------------------------
PostgreSQL 15.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5
20150623 (Red Hat 4.8.5-44), 64-bit
(1 row)
postgres=# CREATE TABLE dept(
postgres(# deptno int,
postgres(# dname VARCHAR(14),
postgres(# loc VARCHAR(13)
postgres(# );
CREATE TABLE
postgres=# CREATE TABLE emp(
postgres(# empno int,
postgres(# ename VARCHAR(10),
postgres(# job VARCHAR(9),
postgres(# mgr int,
postgres(# hiredate DATE,
postgres(# sal double precision,
postgres(# comm double precision,
postgres(# deptno int,
postgres(# jobno int
postgres(# );
CREATE TABLE
postgres=# select a.*,b.* from EMP a FULL JOIN DEPT b on
a.deptno=b.deptno OR upper(ename)='BLAKE' where a.job='MANAGER' OR
b.dname='SALES';
ERROR: FULL JOIN is only supported with merge-joinable or hash-joinable
join conditions
postgres=#
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To: pgsql-bugs@postgresql.org
Cc: xianliang.ji@esgyn.cn, pgsql-bugs@lists.postgresql.org, xiaozhong.wang@esgyn.cn, heng.guo@esgyn.cn
Subject: Re: Optimizer failed to generate plan
In-Reply-To: <3ce0a99e71d27c47a9d5e5589002da8c@esgyn.cn>
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