Re: Support logical replication of DDLs

From: shveta malik <shveta(dot)malik(at)gmail(dot)com>
To: vignesh C <vignesh21(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Ajin Cherian <itsajin(at)gmail(dot)com>, "Wei Wang (Fujitsu)" <wangw(dot)fnst(at)fujitsu(dot)com>, Runqi Tian <runqidev(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, li jie <ggysxcq(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Japin Li <japinli(at)hotmail(dot)com>, rajesh singarapu <rajesh(dot)rs0541(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Zheng Li <zhengli10(at)gmail(dot)com>, shveta malik <shveta(dot)malik(at)gmail(dot)com>
Subject: Re: Support logical replication of DDLs
Date: 2023-05-30 02:53:37
Message-ID: CAJpy0uBktY2benA4bgresKdskgM8=Hy+aP=cJ9MAVotU9HfRFA@mail.gmail.com
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On Mon, May 29, 2023 at 6:16 PM vignesh C <vignesh21(at)gmail(dot)com> wrote:
>

> >
> > I found few comments while making some changes to the patch:
> > 1) Now that objtree is removed, these comments should be modified:
> > * Deparse object tree is created by using:
> > * a) new_objtree("know contents") where the complete tree content is known or
> > * the initial tree content is known.
> > * b) new_objtree("") for the syntax where the object tree will be derived
> > * based on some conditional checks.
> > * c) new_objtree_VA where the complete tree can be derived using some fixed
> > * content or by using the initial tree content along with some variable
> > * arguments.
> > *
>
> Modified
>
> > 2) isgrant can be removed as it is not used anymore:
> > +/*
> > + * Return the given object type as a string.
> > + *
> > + * If isgrant is true, then this function is called while deparsing GRANT
> > + * statement and some object names are replaced.
> > + */
> > +const char *
> > +stringify_objtype(ObjectType objtype, bool isgrant)
> > +{
> > + switch (objtype)
> > + {
> > + case OBJECT_TABLE:
> > + return "TABLE";
> > + default:
> > + elog(ERROR, "unsupported object type %d", objtype);
> > + }
> > +
> > + return "???"; /* keep compiler quiet */
> > +}
>
> Modified
>
> > 3) This statement is not being handled currently, it should be implemented:
> > "alter table all in tablespace tbs1 set tablespace"
>
> Modified
>

With the above fix, are the below commented tests in alter_table.sql
supposed to work? If so, shall these be uncommented?
-- ALTER TABLE ALL IN TABLESPACE pg_default SET TABLESPACE pg_default;
-- ALTER TABLE ALL IN TABLESPACE pg_default OWNED BY ddl_testing_role
SET TABLESPACE pg_default;

thanks
Shveta

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