Date: Sun, 18 Oct 2020 13:08:47 -0700 (MST)
From: pinker <pinker@onet.eu>
To: pgsql-bugs@postgresql.org
Message-ID: <1603051727502-0.post@n3.nabble.com>
In-Reply-To: <1603051414438-0.post@n3.nabble.com>
References: <1603050466566-0.post@n3.nabble.com>
 <1603050580276-0.post@n3.nabble.com> <235509.1603051243@sss.pgh.pa.us>
 <1603051414438-0.post@n3.nabble.com>
Subject: Re: Postgres 13 signal 11: Segmentation fault tested on 2
 independent machines
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DDL:

CREATE FUNCTION public.abs(interval) RETURNS interval
    LANGUAGE sql IMMUTABLE
    AS $_$ select case when ($1<interval '0') then -$1 else $1 end; $_$;

CREATE FUNCTION public.vacuum_dead_size(i_now timestamp with time zone, OUT
schemaname text, OUT relname text, OUT total_bytes numeric, OUT
dead_tup_size nume
ric) RETURNS SETOF record
    LANGUAGE sql
    AS $_$

    WITH closest_metric_stat_user_tables AS (
        SELECT now FROM stat_user_tables ORDER BY abs(now-$1) LIMIT 1
    ), closest_metric_table_sizes AS (
        SELECT now FROM table_sizes ORDER BY abs(now - $1) LIMIT 1
    )
SELECT sut.schemaname, sut.relname, ts.total_bytes, 1::numeric
FROM stat_user_tables sut
         LEFT JOIN table_sizes ts ON ts.table_name = sut.relname AND
ts.table_schema = sut.schemaname
    WHERE ts.now = (SELECT now FROM closest_metric_table_sizes) AND sut.now
= (SELECT now FROM closest_metric_stat_user_tables)
ORDER BY 1;
$_$;

CREATE TABLE public.stat_user_tables (
    now timestamp with time zone,
    relid oid,
    schemaname name,
    relname name,
    seq_scan bigint,
    seq_tup_read bigint,
    idx_scan bigint,
    idx_tup_fetch bigint,
    n_tup_ins bigint,
    n_tup_upd bigint,
    n_tup_del bigint,
    n_tup_hot_upd bigint,
    n_live_tup bigint,
    n_dead_tup bigint,
    n_mod_since_analyze bigint,
    last_vacuum timestamp with time zone,
    last_autovacuum timestamp with time zone,
    last_analyze timestamp with time zone,
    last_autoanalyze timestamp with time zone,
    vacuum_count bigint,
    autovacuum_count bigint,
    analyze_count bigint,
    autoanalyze_count bigint
);

CREATE TABLE public.table_sizes (
    now timestamp with time zone,
    oid oid,
    table_schema name,
    table_name name,
    row_estimate real,
    total_bytes bigint,
    index_bytes bigint,
    toast_bytes bigint,
    table_bytes bigint,
    total text,
    index text,
    toast text,
    "table" text
);


--
Sent from: https://www.postgresql-archive.org/PostgreSQL-bugs-f2117394.html