Horton

Re: Assert triggered during RE_compile_and_cache

Mark Dilger <mark.dilger@enterprisedb.com>

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From: Mark Dilger <mark.dilger@enterprisedb.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2021-08-08T17:32:56Z
Lists: pgsql-hackers 

> On Aug 8, 2021, at 10:29 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
> Mark Dilger <mark.dilger@enterprisedb.com> writes:
>> Applying your <alternate-backref-corner-case-fix-1.patch> to master changes the outcome of some regular expression queries, but I *think* it changes them for the better.
> 
> [ squint... ] You sure you applied the patch properly?  All these examples
> give me the same results in HEAD (with said patches as-committed) and v13.
> 
> 			regards, tom lane

I'm not sure what you mean by "as-committed".  Did you commit one of these recently?

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Check the size in COPY_POINTER_FIELD

  2. Rethink regexp engine's backref-related compilation state.

  3. Fix use-after-free issue in regexp engine.

  4. Make regexp engine's backref-related compilation state more bulletproof.

  5. Really fix the ambiguity in REFRESH MATERIALIZED VIEW CONCURRENTLY.

  6. Avoid generating extra subre tree nodes for capturing parentheses.