Files
neon/pgxn/neon_test_utils/neon_test_utils--1.3.sql
Alexander Bayandin c9fd8d7693 SELECT 💣(); (#8270)
## Problem
We want to be able to test how our infrastructure reacts on segfaults in
Postgres (for example, we collect cores, and get some required
logs/metrics, etc)

## Summary of changes
- Add `trigger_segfauls` function to `neon_test_utils` to trigger a
segfault in Postgres
- Add `trigger_panic` function to `neon_test_utils` to trigger SIGABRT
(by using `elog(PANIC, ...))
- Fix cleanup logic in regression tests in endpoint crashed
2024-07-05 15:12:01 +01:00

66 lines
1.8 KiB
PL/PgSQL

-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION neon_test_utils" to load this file. \quit
CREATE FUNCTION test_consume_xids(nxids int)
RETURNS VOID
AS 'MODULE_PATHNAME', 'test_consume_xids'
LANGUAGE C STRICT
PARALLEL UNSAFE;
CREATE FUNCTION test_consume_cpu(seconds int)
RETURNS VOID
AS 'MODULE_PATHNAME', 'test_consume_cpu'
LANGUAGE C STRICT
PARALLEL UNSAFE;
CREATE FUNCTION test_consume_memory(megabytes int)
RETURNS VOID
AS 'MODULE_PATHNAME', 'test_consume_memory'
LANGUAGE C STRICT
PARALLEL UNSAFE;
CREATE FUNCTION test_release_memory(megabytes int DEFAULT NULL)
RETURNS VOID
AS 'MODULE_PATHNAME', 'test_release_memory'
LANGUAGE C
PARALLEL UNSAFE;
CREATE FUNCTION clear_buffer_cache()
RETURNS VOID
AS 'MODULE_PATHNAME', 'clear_buffer_cache'
LANGUAGE C STRICT
PARALLEL UNSAFE;
CREATE FUNCTION get_raw_page_at_lsn(relname text, forkname text, blocknum int8, request_lsn pg_lsn, not_modified_since pg_lsn)
RETURNS bytea
AS 'MODULE_PATHNAME', 'get_raw_page_at_lsn'
LANGUAGE C PARALLEL UNSAFE;
CREATE FUNCTION get_raw_page_at_lsn(tbspc oid, db oid, relfilenode oid, forknum int8, blocknum int8, request_lsn pg_lsn, not_modified_since pg_lsn)
RETURNS bytea
AS 'MODULE_PATHNAME', 'get_raw_page_at_lsn_ex'
LANGUAGE C PARALLEL UNSAFE;
CREATE FUNCTION neon_xlogflush(lsn pg_lsn DEFAULT NULL)
RETURNS VOID
AS 'MODULE_PATHNAME', 'neon_xlogflush'
LANGUAGE C PARALLEL UNSAFE;
CREATE FUNCTION trigger_panic()
RETURNS VOID
AS 'MODULE_PATHNAME', 'trigger_panic'
LANGUAGE C PARALLEL UNSAFE;
CREATE FUNCTION trigger_segfault()
RETURNS VOID
AS 'MODULE_PATHNAME', 'trigger_segfault'
LANGUAGE C PARALLEL UNSAFE;
-- Alias for `trigger_segfault`, just because `SELECT 💣()` looks fun
CREATE OR REPLACE FUNCTION 💣() RETURNS void
LANGUAGE plpgsql AS $$
BEGIN
PERFORM trigger_segfault();
END;
$$;