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View File Name : opt_hints_pfs.result

#
# Bug #21286261: QUERY DIGEST DOES NOT REFLECT NEW OPTIMIZER HINTS
#
CREATE TABLE t1(i INT);
CREATE TABLE t2(i INT);
# Digests should be same (empty hint comment):
SELECT        * FROM t1;
SELECT /*+ */ * FROM t1;
SELECT digest, digest_text FROM performance_schema.events_statements_history ORDER BY timer_start DESC LIMIT 2;
digest	digest_text
23a2bd5d5f00f61920a837cbec0340c8	SELECT * FROM `t1` 
23a2bd5d5f00f61920a837cbec0340c8	SELECT * FROM `t1` 
# Digests should be different:
SELECT * FROM t1, t2;
SELECT /*+
BKA(t1@qb1)
BNL(@qb1 t1)
DUPSWEEDOUT
FIRSTMATCH
INTOEXISTS
LOOSESCAN
MATERIALIZATION
MRR(t1)
NO_BKA(t2)
NO_BNL(t2)
NO_ICP(t2)
NO_MRR(t2)
NO_RANGE_OPTIMIZATION(t2)
NO_SEMIJOIN(t2)
QB_NAME(qb1)
SEMIJOIN(t1)
SUBQUERY(t1)
*/ * FROM t1, t2;
SELECT digest, digest_text FROM performance_schema.events_statements_history ORDER BY timer_start DESC LIMIT 2;
digest	digest_text
b5dcadc964d9c74aeaafbc7422843058	SELECT /*+ BKA ( `t1`@`qb1` ) BNL ( @`qb1` `t1` ) DUPSWEEDOUT FIRSTMATCH INTOEXISTS LOOSESCAN MATERIALIZATION MRR ( `t1` ) NO_BKA ( `t2` ) NO_BNL ( `t2` ) NO_ICP ( `t2` ) NO_MRR ( `t2` ) NO_RANGE_OPTIMIZATION ( `t2` ) NO_SEMIJOIN ( `t2` ) QB_NAME ( `qb1` ) SEMIJOIN ( `t1` ) SUBQUERY ( `t1` ) */ * FROM `t1` , `t2` 
b52b5a0d94d733e8e605cd1152080d8a	SELECT * FROM `t1` , `t2` 
SELECT * FROM t2, t1;
SELECT /*+ MAX_EXECUTION_TIME(10) */ * FROM t2, t1;
SELECT digest, digest_text FROM performance_schema.events_statements_history ORDER BY timer_start DESC LIMIT 2;
digest	digest_text
def05dbaf5e5ab9af48b70c27c603de2	SELECT /*+ MAX_EXECUTION_TIME (?) */ * FROM `t2` , `t1` 
1613448fc70feba2d3302a92ea1cc139	SELECT * FROM `t2` , `t1` 
SELECT 1;
SELECT /*+ bad_hint_also_goes_to_digest */ 1;
SELECT digest, digest_text FROM performance_schema.events_statements_history ORDER BY timer_start DESC LIMIT 2;
digest	digest_text
7936911d8f35e950c5c3bbc98eee3c4f	SELECT /*+ `bad_hint_also_goes_to_digest` */ ? 
3d4fc22e33e10d7235eced3c75a84c2c	SELECT ? 
DROP TABLE t1, t2;
#