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e415b469b3
vacuum()'s static variable handling makes it non-reentrant; an ensuing null pointer deference crashed the backend. Back-patch to 9.0 (all supported versions).
65 lines
1.9 KiB
SQL
65 lines
1.9 KiB
SQL
--
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-- VACUUM
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--
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CREATE TABLE vactst (i INT);
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INSERT INTO vactst VALUES (1);
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst VALUES (0);
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SELECT count(*) FROM vactst;
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DELETE FROM vactst WHERE i != 0;
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SELECT * FROM vactst;
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VACUUM FULL vactst;
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UPDATE vactst SET i = i + 1;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst SELECT * FROM vactst;
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INSERT INTO vactst VALUES (0);
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SELECT count(*) FROM vactst;
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DELETE FROM vactst WHERE i != 0;
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VACUUM (FULL) vactst;
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DELETE FROM vactst;
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SELECT * FROM vactst;
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VACUUM (FULL, FREEZE) vactst;
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VACUUM (ANALYZE, FULL) vactst;
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CREATE TABLE vaccluster (i INT PRIMARY KEY);
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ALTER TABLE vaccluster CLUSTER ON vaccluster_pkey;
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CLUSTER vaccluster;
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CREATE FUNCTION do_analyze() RETURNS VOID VOLATILE LANGUAGE SQL
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AS 'ANALYZE pg_am';
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CREATE FUNCTION wrap_do_analyze(c INT) RETURNS INT IMMUTABLE LANGUAGE SQL
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AS 'SELECT $1 FROM do_analyze()';
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CREATE INDEX ON vactst(wrap_do_analyze(i));
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INSERT INTO vactst VALUES (1), (2);
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ANALYZE vactst;
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VACUUM FULL pg_am;
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VACUUM FULL pg_class;
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VACUUM FULL pg_database;
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VACUUM FULL vaccluster;
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VACUUM FULL vactst;
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DROP TABLE vaccluster;
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DROP TABLE vactst;
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