Re: [PATCH] Allow multiple recursive self-references

From: Denis Hirn <denis(dot)hirn(at)uni-tuebingen(dot)de>
To: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>
Cc: vignesh C <vignesh21(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pantelis Theodosiou <ypercube(at)gmail(dot)com>, David Fetter <david(at)fetter(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Zhihong Yu <zyu(at)yugabyte(dot)com>
Subject: Re: [PATCH] Allow multiple recursive self-references
Date: 2021-08-31 08:16:47
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> I am not sure if this patch should introduce such a rewriting.

I have thought about this again. I think it is reasonable that this patch introduces
such a rewriting.

> This well-formedness check apparently needs to be enhanced to allow for more than two branches in the union.

The new version of this patch contains the necessary rewriting. The example from the SQLite documentation
can now be executed without explicit parentheses.

–– Denis

Attachment Content-Type Size
0007-Allow-multiple-recursive-self-references.patch application/octet-stream 12.4 KB

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