Re: Assert triggered during RE_compile_and_cache

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Mark Dilger <mark.dilger@enterprisedb.com>

Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>

Date: 2021-08-08T17:29:36Z

Lists: pgsql-hackers

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

Commits

Check the size in COPY_POINTER_FIELD
- c1132aae336c 15.0 cited
Rethink regexp engine's backref-related compilation state.
- 5227d9989672 14.0 landed
- 00116dee5ad4 15.0 landed
Fix use-after-free issue in regexp engine.
- f42ea8350db2 14.0 landed
- cc1868799c83 15.0 landed
Make regexp engine's backref-related compilation state more bulletproof.
- cb76fbd7ec87 15.0 landed
- 5e6ad63c6db7 14.0 landed
Really fix the ambiguity in REFRESH MATERIALIZED VIEW CONCURRENTLY.
- ba9f665a4413 13.4 cited
Avoid generating extra subre tree nodes for capturing parentheses.
- ea1268f6301c 14.0 cited