30 lines
691 B
MySQL
30 lines
691 B
MySQL
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--
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-- PARALLEL
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--
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-- Serializable isolation would disable parallel query, so explicitly use an
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-- arbitrary other level.
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begin isolation level repeatable read;
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-- setup parallel test
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set parallel_setup_cost=0;
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set parallel_tuple_cost=0;
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explain (costs off)
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select count(*) from a_star;
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select count(*) from a_star;
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set force_parallel_mode=1;
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explain (costs off)
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select stringu1::int2 from tenk1 where unique1 = 1;
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do $$begin
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-- Provoke error in worker. The original message CONTEXT contains a worker
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-- PID that must be hidden in the test output. PL/pgSQL conveniently
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-- substitutes its own CONTEXT.
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select stringu1::int2 from tenk1 where unique1 = 1;
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end$$;
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rollback;
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