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91f1fe90c7
The page_num was defined as integer, which should be sufficient for the
near future (with 4K pages it's 8TB). But it's virtually free to return
bigint, and get a wider range. This was agreed on the thread, but I
forgot to tweak this in ba2a3c2302.
While at it, make the data types in CREATE VIEW a bit more consistent.
Discussion: https://postgr.es/m/CAKZiRmxh6KWo0aqRqvmcoaX2jUxZYb4kGp3N%3Dq1w%2BDiH-696Xw%40mail.gmail.co
47 lines
1.5 KiB
SQL
47 lines
1.5 KiB
SQL
/* contrib/pg_buffercache/pg_buffercache--1.5--1.6.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "ALTER EXTENSION pg_buffercache UPDATE TO '1.6'" to load this file. \quit
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-- Register the new functions.
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CREATE OR REPLACE FUNCTION pg_buffercache_numa_pages()
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RETURNS SETOF RECORD
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AS 'MODULE_PATHNAME', 'pg_buffercache_numa_pages'
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LANGUAGE C PARALLEL SAFE;
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-- Create a view for convenient access.
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CREATE VIEW pg_buffercache_numa AS
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SELECT P.* FROM pg_buffercache_numa_pages() AS P
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(bufferid integer, os_page_num bigint, numa_node integer);
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-- Don't want these to be available to public.
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REVOKE ALL ON FUNCTION pg_buffercache_numa_pages() FROM PUBLIC;
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REVOKE ALL ON pg_buffercache_numa FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_buffercache_numa_pages() TO pg_monitor;
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GRANT SELECT ON pg_buffercache_numa TO pg_monitor;
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DROP FUNCTION pg_buffercache_evict(integer);
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CREATE FUNCTION pg_buffercache_evict(
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IN int,
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OUT buffer_evicted boolean,
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OUT buffer_flushed boolean)
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AS 'MODULE_PATHNAME', 'pg_buffercache_evict'
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LANGUAGE C PARALLEL SAFE VOLATILE STRICT;
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CREATE FUNCTION pg_buffercache_evict_relation(
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IN regclass,
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OUT buffers_evicted int4,
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OUT buffers_flushed int4,
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OUT buffers_skipped int4)
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AS 'MODULE_PATHNAME', 'pg_buffercache_evict_relation'
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LANGUAGE C PARALLEL SAFE VOLATILE STRICT;
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CREATE FUNCTION pg_buffercache_evict_all(
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OUT buffers_evicted int4,
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OUT buffers_flushed int4,
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OUT buffers_skipped int4)
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AS 'MODULE_PATHNAME', 'pg_buffercache_evict_all'
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LANGUAGE C PARALLEL SAFE VOLATILE;
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