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56 lines
2.0 KiB
56 lines
2.0 KiB
/* contrib/pg_buffercache/pg_buffercache--1.6--1.7.sql */
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-- complain if script is sourced in psql, rather than via ALTER EXTENSION
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\echo Use "ALTER EXTENSION pg_buffercache UPDATE TO '1.7'" to load this file. \quit
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-- Function to retrieve information about OS pages, with optional NUMA
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-- information.
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CREATE FUNCTION pg_buffercache_os_pages(IN include_numa boolean,
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OUT bufferid integer,
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OUT os_page_num bigint,
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OUT numa_node integer)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_buffercache_os_pages'
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LANGUAGE C PARALLEL SAFE;
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-- View for OS page information, without NUMA.
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CREATE VIEW pg_buffercache_os_pages AS
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SELECT bufferid, os_page_num
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FROM pg_buffercache_os_pages(false);
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-- Re-create view for OS page information, with NUMA.
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DROP VIEW pg_buffercache_numa;
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CREATE VIEW pg_buffercache_numa AS
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SELECT bufferid, os_page_num, numa_node
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FROM pg_buffercache_os_pages(true);
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REVOKE ALL ON FUNCTION pg_buffercache_os_pages(boolean) FROM PUBLIC;
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REVOKE ALL ON pg_buffercache_os_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_os_pages(boolean) TO pg_monitor;
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GRANT SELECT ON pg_buffercache_os_pages TO pg_monitor;
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GRANT SELECT ON pg_buffercache_numa TO pg_monitor;
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-- Functions to mark buffers as dirty.
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CREATE FUNCTION pg_buffercache_mark_dirty(
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IN int,
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OUT buffer_dirtied boolean,
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OUT buffer_already_dirty boolean)
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AS 'MODULE_PATHNAME', 'pg_buffercache_mark_dirty'
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LANGUAGE C PARALLEL SAFE VOLATILE STRICT;
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CREATE FUNCTION pg_buffercache_mark_dirty_relation(
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IN regclass,
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OUT buffers_dirtied int4,
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OUT buffers_already_dirty int4,
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OUT buffers_skipped int4)
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AS 'MODULE_PATHNAME', 'pg_buffercache_mark_dirty_relation'
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LANGUAGE C PARALLEL SAFE VOLATILE STRICT;
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CREATE FUNCTION pg_buffercache_mark_dirty_all(
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OUT buffers_dirtied int4,
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OUT buffers_already_dirty int4,
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OUT buffers_skipped int4)
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AS 'MODULE_PATHNAME', 'pg_buffercache_mark_dirty_all'
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LANGUAGE C PARALLEL SAFE VOLATILE;
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