hypopg/hypopg--1.3.1--1.4.0.sql
2024-04-28 09:19:06 +08:00

50 lines
1.6 KiB
SQL

-- This program is open source, licensed under the PostgreSQL License.
-- For license terms, see the LICENSE file.
--
-- Copyright (C) 2015-2024: Julien Rouhaud
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "ALTER EXTENSION hypopg" to load this file. \quit
CREATE FUNCTION
hypopg_hide_index(IN indexid oid)
RETURNS bool
LANGUAGE C STRICT VOLATILE COST 100
AS '$libdir/hypopg', 'hypopg_hide_index';
CREATE FUNCTION
hypopg_unhide_index(IN indexid oid)
RETURNS bool
LANGUAGE C STRICT VOLATILE COST 100
AS '$libdir/hypopg', 'hypopg_unhide_index';
CREATE FUNCTION
hypopg_unhide_all_indexes()
RETURNS void
LANGUAGE C VOLATILE COST 100
AS '$libdir/hypopg', 'hypopg_unhide_all_indexes';
CREATE FUNCTION hypopg_hidden_indexes()
RETURNS TABLE (indexid oid)
LANGUAGE C STRICT VOLATILE
AS '$libdir/hypopg', 'hypopg_hidden_indexes';
CREATE VIEW hypopg_hidden_indexes
AS
SELECT h.indexid AS indexrelid,
i.relname AS index_name,
n.nspname AS schema_name,
t.relname AS table_name,
m.amname AS am_name,
false AS is_hypo
FROM hypopg_hidden_indexes() h
JOIN pg_index x ON x.indexrelid = h.indexid
JOIN pg_class i ON i.oid = h.indexid
JOIN pg_namespace n ON n.oid = i.relnamespace
JOIN pg_class t ON t.oid = x.indrelid
JOIN pg_am m ON m.oid = i.relam
UNION ALL
SELECT hl.*, true AS is_hypo
FROM hypopg_hidden_indexes() hi
JOIN hypopg_list_indexes hl on hl.indexrelid = hi.indexid
ORDER BY index_name;