77 lines
1.5 KiB
Plaintext
77 lines
1.5 KiB
Plaintext
# Test requires: sp-protocol/ps-protocol/view-protocol/cursor-protocol disabled
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--source include/no_protocol.inc
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--echo #
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--echo # Bug #21286261: QUERY DIGEST DOES NOT REFLECT NEW OPTIMIZER HINTS
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--echo #
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CREATE TABLE t1(i INT);
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CREATE TABLE t2(i INT);
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let $check=SELECT digest, digest_text FROM performance_schema.events_statements_history ORDER BY timer_start DESC LIMIT 2;
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--echo # Digests should be same (empty hint comment):
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--disable_result_log
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SELECT * FROM t1;
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SELECT /*+ */ * FROM t1;
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--enable_result_log
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eval $check;
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--echo # Digests should be different:
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--disable_result_log
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SELECT * FROM t1, t2;
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SELECT /*+
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BKA(t1@qb1)
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BNL(@qb1 t1)
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DUPSWEEDOUT
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FIRSTMATCH
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INTOEXISTS
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LOOSESCAN
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MATERIALIZATION
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MRR(t1)
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NO_BKA(t2)
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NO_BNL(t2)
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NO_ICP(t2)
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NO_MRR(t2)
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NO_RANGE_OPTIMIZATION(t2)
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NO_SEMIJOIN(t2)
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QB_NAME(qb1)
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SEMIJOIN(t1)
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SUBQUERY(t1)
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*/ * FROM t1, t2;
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--enable_result_log
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eval $check;
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--disable_result_log
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SELECT * FROM t2, t1;
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SELECT /*+ MAX_EXECUTION_TIME(4294967295) */ * FROM t2, t1;
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--enable_result_log
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eval $check;
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--disable_result_log
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SELECT 1;
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SELECT /*+ bad_hint_also_goes_to_digest */ 1;
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--enable_result_log
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eval $check;
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DROP TABLE t1, t2;
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--echo #
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--echo # WL#681: Hint to temporarily set session variable for current statement
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--echo #
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--disable_result_log
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SELECT 1;
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SELECT /*+ SET_VAR(foo = 1K) */ 1;
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--enable_result_log
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eval $check;
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--disable_result_log
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SELECT 1;
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SELECT /*+ SET_VAR(bar = 'baz') */ 1;
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--enable_result_log
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eval $check;
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