32 lines
773 B
Python
32 lines
773 B
Python
# This test is like sto_using_select, except that we test access via a
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# hash index.
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setup
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{
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CREATE TABLE sto1 (c int NOT NULL);
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INSERT INTO sto1 SELECT generate_series(1, 1000);
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CREATE INDEX idx_sto1 ON sto1 USING HASH (c);
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}
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setup
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{
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VACUUM ANALYZE sto1;
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}
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teardown
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{
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DROP TABLE sto1;
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}
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session "s1"
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setup { BEGIN ISOLATION LEVEL REPEATABLE READ; }
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step "noseq" { SET enable_seqscan = false; }
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step "s1f1" { SELECT c FROM sto1 where c = 1000; }
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step "s1f2" { SELECT c FROM sto1 where c = 1001; }
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teardown { ROLLBACK; }
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session "s2"
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step "s2sleep" { SELECT setting, pg_sleep(6) FROM pg_settings WHERE name = 'old_snapshot_threshold'; }
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step "s2u" { UPDATE sto1 SET c = 1001 WHERE c = 1000; }
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permutation "noseq" "s1f1" "s2sleep" "s2u" "s1f2"
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