74 lines
1.4 KiB
PL/PgSQL
74 lines
1.4 KiB
PL/PgSQL
--
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-- Hot Standby tests
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--
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-- hs_primary_extremes.sql
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--
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drop table if exists hs_extreme;
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create table hs_extreme (col1 integer);
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CREATE OR REPLACE FUNCTION hs_subxids (n integer)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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BEGIN
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IF n <= 0 THEN RETURN; END IF;
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INSERT INTO hs_extreme VALUES (n);
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PERFORM hs_subxids(n - 1);
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RETURN;
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EXCEPTION WHEN raise_exception THEN NULL; END;
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$$;
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BEGIN;
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SELECT hs_subxids(257);
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ROLLBACK;
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BEGIN;
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SELECT hs_subxids(257);
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COMMIT;
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set client_min_messages = 'warning';
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CREATE OR REPLACE FUNCTION hs_locks_create (n integer)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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BEGIN
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IF n <= 0 THEN
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CHECKPOINT;
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RETURN;
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END IF;
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EXECUTE 'CREATE TABLE hs_locks_' || n::text || ' ()';
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PERFORM hs_locks_create(n - 1);
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RETURN;
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EXCEPTION WHEN raise_exception THEN NULL; END;
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$$;
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CREATE OR REPLACE FUNCTION hs_locks_drop (n integer)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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BEGIN
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IF n <= 0 THEN
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CHECKPOINT;
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RETURN;
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END IF;
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EXECUTE 'DROP TABLE IF EXISTS hs_locks_' || n::text;
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PERFORM hs_locks_drop(n - 1);
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RETURN;
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EXCEPTION WHEN raise_exception THEN NULL; END;
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$$;
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BEGIN;
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SELECT hs_locks_drop(257);
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SELECT hs_locks_create(257);
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SELECT count(*) > 257 FROM pg_locks;
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ROLLBACK;
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BEGIN;
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SELECT hs_locks_drop(257);
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SELECT hs_locks_create(257);
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SELECT count(*) > 257 FROM pg_locks;
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COMMIT;
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SELECT hs_locks_drop(257);
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SELECT pg_switch_xlog();
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