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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/test/isolation/specs/timeouts.spec | |
parent | Initial commit. (diff) | |
download | postgresql-14-upstream.tar.xz postgresql-14-upstream.zip |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/isolation/specs/timeouts.spec')
-rw-r--r-- | src/test/isolation/specs/timeouts.spec | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/test/isolation/specs/timeouts.spec b/src/test/isolation/specs/timeouts.spec new file mode 100644 index 0000000..c747b4a --- /dev/null +++ b/src/test/isolation/specs/timeouts.spec @@ -0,0 +1,49 @@ +# Simple tests for statement_timeout and lock_timeout features + +setup +{ + CREATE TABLE accounts (accountid text PRIMARY KEY, balance numeric not null); + INSERT INTO accounts VALUES ('checking', 600), ('savings', 600); +} + +teardown +{ + DROP TABLE accounts; +} + +session s1 +setup { BEGIN ISOLATION LEVEL READ COMMITTED; } +step rdtbl { SELECT * FROM accounts; } +step wrtbl { UPDATE accounts SET balance = balance + 100; } +teardown { ABORT; } + +session s2 +setup { BEGIN ISOLATION LEVEL READ COMMITTED; } +step sto { SET statement_timeout = '10ms'; } +step lto { SET lock_timeout = '10ms'; } +step lsto { SET lock_timeout = '10ms'; SET statement_timeout = '10s'; } +step slto { SET lock_timeout = '10s'; SET statement_timeout = '10ms'; } +step locktbl { LOCK TABLE accounts; } +step update { DELETE FROM accounts WHERE accountid = 'checking'; } +teardown { ABORT; } + +# It's possible that the isolation tester will not observe the final +# steps as "waiting", thanks to the relatively short timeouts we use. +# We can ensure consistent test output by marking those steps with (*). + +# statement timeout, table-level lock +permutation rdtbl sto locktbl(*) +# lock timeout, table-level lock +permutation rdtbl lto locktbl(*) +# lock timeout expires first, table-level lock +permutation rdtbl lsto locktbl(*) +# statement timeout expires first, table-level lock +permutation rdtbl slto locktbl(*) +# statement timeout, row-level lock +permutation wrtbl sto update(*) +# lock timeout, row-level lock +permutation wrtbl lto update(*) +# lock timeout expires first, row-level lock +permutation wrtbl lsto update(*) +# statement timeout expires first, row-level lock +permutation wrtbl slto update(*) |