From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Peter Smith <smithpb2250(at)gmail(dot)com> |
Cc: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Ajin Cherian <itsajin(at)gmail(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Rahila Syed <rahilasyed90(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
Subject: | Re: Added schema level support for publication. |
Date: | 2021-08-16 13:31:18 |
Message-ID: | 877603.1629120678@sss.pgh.pa.us |
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Peter Smith <smithpb2250(at)gmail(dot)com> writes:
> Then the question from Peter E. [2] "Why can't I have a publication
> that publishes tables t1, t2, t3, *and* schemas s1, s2, s3." would
> have an intuitive solution like:
> CREATE PUBLICATION pub1
> FOR TABLE t1,t2,t3 AND
> FOR ALL TABLES IN SCHEMA s1,s2,s3;
That seems a bit awkward, since the existing precedent is
to use commas. We shouldn't need more than one FOR noise-word,
either. So I was imagining syntax more like, say,
CREATE PUBLICATION pub1 FOR
TABLE t1,t2,t3, ALL TABLES IN SCHEMA s1,s2,
SEQUENCE seq1,seq2, ALL SEQUENCES IN SCHEMA s3,s4;
Abstractly it'd be
createpub := CREATE PUBLICATION pubname FOR cpitem [, ... ] [ WITH ... ]
cpitem := ALL TABLES |
TABLE name |
ALL TABLES IN SCHEMA name |
ALL SEQUENCES |
SEQUENCE name |
ALL SEQUENCES IN SCHEMA name |
name
The grammar output would need some post-analysis to attribute the
right type to bare "name" items, but that doesn't seem difficult.
regards, tom lane
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