25 lines
481 B
MySQL
25 lines
481 B
MySQL
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-- Cause CBC latch contention
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-- CREATE TABLE lookup AS SELECT * FROM dba_objects
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-- WHERE object_id IS NOT NULL
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-- AND rownum <= 50;
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--
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-- CREATE INDEX idx_lookup ON lookup(object_id);
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-- ALTER TABLE lookup ADD CONSTRAINT pk_lookup PRIMARY KEY (object_id);
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--
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-- @gts lookup
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ALTER SESSION SET plsql_optimize_level = 0;
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VAR x NUMBER
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BEGIN
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LOOP
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SELECT data_object_id INTO :x
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FROM lookup
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WHERE object_id IN (10,-1,-2,-3,-4,-5,-6,-7,-8,-9);
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END LOOP;
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END;
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/
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