231 lines
23 KiB
Plaintext
231 lines
23 KiB
Plaintext
select /*+trace_log no_rewrite*/* from t1 where c1 = 1 limit 1 order by 1;
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select /*+trace_log no_rewrite*/ * from t1 where c1 = 1 limit 1 order by 1;
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select * from t1 where c1 = 1 limit 1 order by 1;
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select /*+*/* from t1 where c1 = 1 limit 1 order by 1;
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select /*+sss*/* from t1 where c1 = 1 limit 1 order by 1;
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select /*+trace_log no_rewrite*/* from t1 where c1 = 1 limit 1 order by 1;
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select /*+trace_log no_rewrite ssss*/* from t1 where c1 = 1 limit 1 order by 1;
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select /*+ssss no_rewrite*/* from t1 where c1 = 1 limit 1 order by 1;
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select */*+trace_log no_rewrite*/ from t1 where c1 = 1 limit 1 order by 1;
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select /*+trace_log no_rewrite*/* from t1 where c1 = 1 limit 1 order by 1;
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select * from (select /*+SSSSSS*/ * from t1) as tt where c1 = 1 limit 1 order by 1;
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select * from /*+sssssss*/ from t1 where c1 = 1 limit 1 order by 1;
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update /*+sssss*/ t1 set c1 = 1 where c1 = 100;
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update /*+no_rewrite sssss*/ t1 set c1 = 1 where c1 = 100;
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update /*+sssss*/ t1 set c1 = 1 where /*+sssss*/ c1 = 100;
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delete /*+sssss*/ from t1 where c=1;
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delete /*+no_rewrite sssss*/ from t1 where c=1;
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select /*+ BEGIN_OUTLINE_DATA FULL(@"SEL$1" "t1"@"SEL$1") READ_CONSISTENCY("WEAK") HOTSPOT TOPK(1 100) QUERY_TIMEOUT(100) FROZEN_VERSION(1) USE_PLAN_CACHE("EXACT") ACTIVATE_BURIED_POINT(1, FIX_MODE, 1, 1) NO_REWRITE TRACE_LOG LOG_LEVEL('info') END_OUTLINE_DATA */* from t1;
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select /*+INDEX(@"SEL$2" "opt.t4"@"SEL$2" "idx_t4_c3")*/* from t1 where c1 in (select c1 from t4);
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select /*+ BEGIN_OUTLINE_DATA INDEX(@"SEL$1" "opt.t4"@"SEL$1" "idx_t4_c3") END_OUTLINE_DATA */ * from t4 where c1 = 1;
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select /*+ BEGIN_OUTLINE_DATA FULL(@"SEL$1" "opt.t4"@"SEL$1") END_OUTLINE_DATA */ * from t4 where c2 = 1;
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select /*+ BEGIN_OUTLINE_DATA USE_MERGE(@"SEL$1" "opt.t2"@"SEL$1") LEADING(@"SEL$1" "opt.t1"@"SEL$1" "opt.t2"@"SEL$1") FULL(@"SEL$1" "opt.t1"@"SEL$1") FULL(@"SEL$1" "opt.t2"@"SEL$1") END_OUTLINE_DATA */* from t1,t2 where t1.c1=t2.c1;
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select /*+log_level('info')*/* from t1;
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select /*+log_level('info')*/t1.c1,t2.c1 from t1,t2 group by t1.c1,t2.c1 having c1 =1;
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select /*+log_level('info')*/* from t1 for update;
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select * from /*+sssssss*/ from t1 where c1 in (select /*+fdsafasfa*/ c1 from t2) limit 1 order by 1;
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select * from /*sssssss*/ from t1 where c1 in (select /*fdsafasfa*/ c1 from t2) limit 1 order by 1;
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update /*+sssssss*/t1 set c1 = 1 where c2 ;
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update /*+sssssss*/t1 set c1 = 1 where c2 > any(select /*+index(t3 c1) trace_log*/c1 from t3 where c2 not in (select c1 from t4 order by c1 limit 2));
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update/*+index(t2 i2)*/ t2 vt2 set vt2.c1=2*vt2.c2,c1=c1+1,vt2.c2=10,c3=2 where c1>0 and vt2.c2<2 order by vt2.c1 asc, vt2.c2 desc limit 2 offset 10;
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update/*+index(t2 i2),query_timeout(2000)*/ t2 vt2 set vt2.c1=2*vt2.c2,c1=c1+1,vt2.c2=10,c3=10 where c1>0 and vt2.c2<10 order by vt2.c1 asc,c2 desc limit 10,10
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UPDATE t1 SET c1=c1+(SELECT MAX(C1) FROM (SELECT 1) t) WHERE c1=(SELECT /*+index(t2 i2),query_timeout(2000)*/ MAX(c1));
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update t1 set c2 = 6 where c1 = (select /*+index(t2 i2),query_timeout(2000)*/max(c1) from t1);
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insert /*+index(t2 i2)*/into ta select * from t3 on duplicate key update c1 = c1 + 2, c2 = values(c2);
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insert into t1 values (1,2),(3,4) on duplicate key update c1=values(c2)+values(c1), c2= values(c1)+values(c1);
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insert into t4 (c1,c2,c3) values(11, 2, default), (13,3, default) on duplicate key update c2 = 5, c3=4;
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insert /*+index(t2 i2)*/into ta(c1,c2) values (3,NULL), (4, NULL);
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insert into ta(c1,c2) values (3,NULL), (4, NULL);
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insert /*+index(t2 i2)*/into ta(c1,c2) values (3,NULL), (4, NULL);
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insert into ta select /*+index(t2 i2)*/* from t3 on duplicate key update c1 = c1 + 2, c2 = values(c2);
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delete from t1 where c2 > 10 order by c1 limit 0, 1;
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delete /*+ INDEX(t1 idx1)*/ from t1 where c1 =1;
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delete /*+ INDEX(t1 idx1)*/ from t1 where c1 in (select /*trace_log*/c2 from t2);
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delete /*dfasdasf*/ from test where c1 = 1;
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select /*+no_rewrite*/* from t1 where c1 = 4 and c2 = 6 order by 2;
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select * from t1 where c1 = 4 and c2 = 6 order by 2;
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## test for FP_NO_PARAMERIZE_AND_FILTER_HINT_MODE
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select * from t1 where c1 = 'aaaaa';
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select * from t1 where c1 = "aaaaa";
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select * from t1 where c1 = '''';
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select * from t1 where c1 = '"';
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select * from t1 where c1 = "''";
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select * from t1 where c1 = '\\';
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select * from t1 where c1 = "\t";
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select * from t1 where c1 = '\n';
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select * from t1 where c1 = "\n";
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select * from t1 where c1 = ' ';
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select * from t1 where c1 = " ";
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select * from t1 where c1 = `aaaaa`;
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select * from t1 where c1 = ````;
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#cross database hint effective
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select /*+ leading(ta, tb) use_nl(tb)*/ * from hint.t1 as tb, opt.t1 as ta where tb.a = ta.c1;
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select /*+ leading(ta, tb) use_bnl(tb)*/ * from hint.t1 as tb, opt.t1 as ta where tb.a = ta.c1;
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#cross database hint ineffective, leading table duplicated
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select /*+ leading(t1) use_nl(hint.t1)*/ * from hint.t2, hint.t1, opt.t1 where hint.t2.a = opt.t1.c1;
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select /*+ leading(t1) use_bnl(hint.t1)*/ * from hint.t2, hint.t1, opt.t1 where hint.t2.a = opt.t1.c1;
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#cross database hint effective. table no duplicated
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select /*+ leading(t2, t1) use_merge(t1)*/ * from hint.t2, opt.t1 where t1.c1 = t2.a;
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#index int
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select /*+ index(hint.t1 idx_t1_a)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c1;
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#full hint
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select /*+ full(opt.t1)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c2;
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#ordered hint
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select /*+ ordered use_nl(hint.t2 opt.t1)*/ * from (select * from t2) as tb, hint.t2, opt.t1;
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select /*+ ordered use_bnl(hint.t2 opt.t1)*/ * from (select * from t2) as tb, hint.t2, opt.t1;
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#as tb not exist after rewrite, leading hint ineffective
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select /*+ leading(tb, opt.t1) use_nl(hint.t2 opt.t1)*/ * from (select * from t2) as tb, hint.t2, opt.t1;
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select /*+ leading(tb, opt.t1) use_bnl(hint.t2, opt.t1)*/ * from (select * from t2) as tb, hint.t2, opt.t1;
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#index hint
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select * from opt.t1,opt.t2 use index (idx_t1_c2) where opt.t1.c1 = opt.t2.c2;
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select /*+ index(t1 idx_t1_c2)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c2;
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select /*+ index(opt.t1 idx_t1_c2)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c2;
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select /*+ index(opt.t1 idx_t1_c2) use_merge(hint.t2, hint.t1)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c2;
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select /*+ index(opt.t1 idx_t1_c2) use_merge(test hint.t2) use_nl(hint.t1)*/ * from opt.t1, hint.t1 where hint.t1.a = opt.t1.c2;
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select /*+ index(ta idx_t1_c2) use_merge(test) use_nl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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select /*+ index(ta idx_t1_c2) use_merge(test) use_bnl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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select /*+ index(opt.t1 idx_t1_c2) use_merge(opt.t2) use_nl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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select /*+ index(opt.t1 idx_t1_c2) use_merge(opt.t2) use_bnl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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select /*+ index(opt.t1 idx_test) use_merge(opt.t2) use_nl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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select /*+ index(opt.t1 idx_test) use_merge(opt.t2) use_bnl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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#table tb both in use_merge, use_nl; when tb is right table both MERGE-JON and NL-JOIN path generated.
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select /*+ index(opt.t1 idx_test) use_merge(ta tb) use_nl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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#table tb both in use_merge, use_bnl; when tb is right table both MERGE-JON and BNL-JOIN path generated.
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select /*+ index(opt.t1 idx_test) use_merge(ta tb) use_bnl(tb)*/ * from opt.t1 as ta, hint.t1 as tb where ta.c1 = tb.a;
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#use index more than one, only the first is effective
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select * from opt.t1,hint.t1 use index (idx_t1_c2, idx_t1_a) where opt.t1.c1 = hint.t1.a;
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select * from opt.t1,hint.t1 use index (idx_t1_a, idx_t1_c2) where opt.t1.c1 = hint.t1.a;
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#force index
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select * from opt.t1,hint.t1 force index (idx_t1_a, idx_t1_c2) where opt.t1.c1 = hint.t1.a;
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select * from opt.t4 force index (idx_t4_c2,idx_t4_c3,idx_t4_c2_c3) where opt.t4.c1 = opt.t4.c2;
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#ignore index, all is effective
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select * from opt.t4 ignore index (idx_t4_c2,idx_t4_c3,idx_t4_c2_c3) where opt.t4.c1 = opt.t4.c2;
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select * from opt.t4 ignore index (idx_t4_c2,idx_t4_c3) where opt.t4.c1 = opt.t4.c2;
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select * from opt.t4, hint.t1 ignore index (idx_t4_c2,idx_t4_c3, idx_t1_a) where opt.t4.c1 = hint.t1.a;
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select * from opt.t4 as ta, hint.t1 as tb ignore index (idx_t4_c2,idx_t4_c3, idx_t1_a) where ta.c1 = tb.a;
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#index not exist, leading hint ineffective @TODO yangze.yz selectivity error
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select * from opt.t1 use index(idx_yeti, idx_t1_c2) where opt.t1.c1 = opt.t1.c1;
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select * from opt.t4 as ta, hint.t1 as tb ignore index (idx_test, idx_t1_a) where ta.c1 = tb.a;
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#subquery
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select * from opt.t1 use index(index_t1_c2) where opt.t1.c2 = (select hint.t1.a from hint.t1,opt.t2 use index(idx_t1_a) where opt.t2.c1 = hint.t1.b);
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select /*+ idex(yeti idx_t1_c2)*/ * from (select /*+ idex(opt.t4 idx_t4_c2))*/ * from hint.t1, opt.t4 where hint.t1.a = opt.t4.c2) as yeti, opt.t1 where yeti.a = opt.t1.c2;
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select /*+ idex(ta idx_t1_c2)*/ * from (select /*+ idex(opt.t4 idx_t4_c2))*/ * from hint.t1, opt.t4 where hint.t1.a = opt.t4.c2) as yeti, opt.t1 as ta where yeti.a = ta.c2;
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select /*+ idex(opt.t1 idx_t1_c2)*/ * from (select /*+ idex(opt.t4 idx_t4_c2))*/ * from hint.t1, opt.t4 where hint.t1.a = opt.t4.c2) as yeti, opt.t1 as ta where yeti.a = ta.c2;
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#full hint
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select /*+ full(opt.t1)*/ * from opt.t1 as ta , opt.t2 as tb where ta.c1 = tb.c1;
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select /*+ full(opt.t1 opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c2;
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select /*+ full(opt.t1 hint.t2)*/ * from opt.t1, hint.t2 where opt.t1.c1 = hint.t2.b;
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select /*+ full(opt.t1) use_merge(ta)*/ * from opt.t1 as ta , opt.t2 as tb where ta.c1 = tb.c1;
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select /*+ full(opt.ta) use_merge(ta)*/ * from opt.t1 as ta , opt.t2 as tb where ta.c1 = tb.c1;
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select /*+ full(opt.t1 opt.t2) use_merge(opt.t1), use_nl(opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c2;
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select /*+ full(opt.t1 opt.t2) use_merge(opt.t1), use_bnl(opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c2;
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select /*+ full(opt.t1 hint.t2) use_merge(test), use_nl(opt.t1)*/ * from opt.t1, hint.t2 where opt.t1.c1 = hint.t2.b;
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select /*+ full(opt.t1 hint.t2) use_merge(test), use_bnl(opt.t1)*/ * from opt.t1, hint.t2 where opt.t1.c1 = hint.t2.b;
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#ordered hint
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select /*+ ordered use_merge(ta,tb,tc,td)*/ * from opt.t1 as ta, opt.t2 as tb , hint.t1 as tc, hint.t2 as td where ta.c1 = tc.a and ta.c2 = tb.c1 and tb.c1 = td.b;
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select /*+ ordered use_nl(ta tb tc td)*/ * from opt.t1 as ta, opt.t2 as tb , hint.t1 as tc, hint.t2 as td where ta.c1 = tc.a and ta.c2 = tb.c1 and tb.c1 = td.b;
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select /*+ ordered use_bnl(ta tb tc td)*/ * from opt.t1 as ta, opt.t2 as tb , hint.t1 as tc, hint.t2 as td where ta.c1 = tc.a and ta.c2 = tb.c1 and tb.c1 = td.b;
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#select /*+ ordered use_hash(ta,tb tc td)*/ * from opt.t1 as ta, opt.t2 as tb , hint.t1 as tc, hint.t2 as td where ta.c1 = tc.a and ta.c2 = tb.c1 and tb.c1 = td.b;
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select /*+ ordered*/ * from opt.t1 as ta, opt.t2 as tb , hint.t1 as tc, hint.t2 as td where ta.c1 = tc.a and ta.c2 = tb.c1 and tb.c1 = td.b;
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#leading hint
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select /*+ leading(test, opt.t1 opt.t2) */ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t1 opt.t2) use_merge(opt.t1), use_nl(opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t1 opt.t2) use_merge(opt.t1), use_bnl(opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t2) */ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t2 ha hb) */ * from opt.t1, opt.t2, hint.t1 as ha, hint.t2 as hb where opt.t1.c1 = opt.t2.c1 and opt.t1.c1 = ha.a and opt.t2.c2 = hb.b;
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select /*+ leading(opt.t1 opt.t2 ha hb) use_merge(opt.t1 ha) use_nl(opt.t1 hb)*/ * from opt.t1, opt.t2, hint.t1 as ha, hint.t2 as hb where opt.t1.c1 = opt.t2.c1 and opt.t1.c1 = ha.a and opt.t2.c2 = hb.b;
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select /*+ leading(opt.t1 opt.t2 ha hb) use_merge(opt.t1 ha) use_bnl(opt.t1 hb)*/ * from opt.t1, opt.t2, hint.t1 as ha, hint.t2 as hb where opt.t1.c1 = opt.t2.c1 and opt.t1.c1 = ha.a and opt.t2.c2 = hb.b;
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select /*+ leading(test, opt.t1 opt.t2) use_merge(test opt.t1 opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(test, opt.t1 opt.t2) use_merge(test opt.t1) use_nl(test opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(test, opt.t1 opt.t2) use_merge(test opt.t1) use_bnl(test opt.t2)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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# duplicate table name, leading hint ineffective
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select /*+ leading(opt.t1 opt.t1 opt.t2) use_nl(opt.t1 opt.t3 opt.t5)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t1 opt.t2) use_bnl(opt.t1 opt.t3 opt.t5)*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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# use_nl():hint syntax error , failed when parser
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select /*+ leading(opt.t1 opt.t2) use_nl()*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t2) use_bnl()*/ * from opt.t1, opt.t2 where opt.t1.c1 = opt.t2.c1;
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select /*+ leading(opt.t1 opt.t2 ha hb) use_nl(ta hint.t1 hint.t2 tb)*/ * from opt.t1, opt.t2, hint.t1 as ha, hint.t2 as hb where opt.t1.c1 = opt.t2.c1 and opt.t1.c1 = ha.a and opt.t2.c2 = hb.b;
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select /*+ leading(opt.t1 opt.t2 ha hb) use_bnl(ta hint.t1 hint.t2 tb)*/ * from opt.t1, opt.t2, hint.t1 as ha, hint.t2 as hb where opt.t1.c1 = opt.t2.c1 and opt.t1.c1 = ha.a and opt.t2.c2 = hb.b;
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#hint with sub-query
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select t1.c1, v.c1 from t1, (select t2.c1 from t2, t4) v;
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select t1.c1, v.c1 from t1, (select/*+index(t4 primary)*/ t2.c1 from t2, t4) v;
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#no rewrite should not influence whether check_and_convert_hint bug:8378105
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select/*+no_rewrite*/ t1.c1, v.c1 from t1, (select/*+index(t4 primary)*/ t2.c1 from t2, t4) v;
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select t1.c1, v.c1 from t1, (select/*+leading(t2)*/ t2.c1 from t2, t4) v;
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select t1.c1, v.c1 from t1, (select/*+read_consistency(weak)*/ t2.c1 from t2, t4) v;
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select t1.c1, v.c1 from t1, (select/*+use_nl(t2, t4)*/ t2.c1 from t2, t4 where t2.c1 = t4.c1) v;
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(select /*+read_consistency(weak)*/ c1 from t1) union (select c1 from t2);
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(select /*+read_consistency(weak)*/ c1 from t1) union (select /*+read_consistency(strong)*/ c1 from t2);
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select * from opt.t1 ignore index (primary);
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#hint with query-block, for outline generated
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#hint qb_name/index
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select /*+ index(@a0123456789012345678 t4@a0123456789012345678 idx_t4_c3)*/ * from t1 where c1 in (select/*+qb_name(a0123456789012345678)*/ c1 from t4);
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#hint qb_name length larger than MAX_QB_NAME_LENGTH
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select /*+ index(@a01234567890123456789 t4@a01234567890123456789 idx_t4_c3)*/ * from t1 where c1 in (select/*+qb_name(a01234567890123456789)*/ c1 from t4);
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select /*+ index(@SEL$1 t4 idx_t4_c3)*/ * from t1 where c1 in (select/*+qb_name(yz)*/ c1 from t4);
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#hint qb_name/leading
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select /*+ leading(@SEL$1 t4 t1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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select /*+ leading(@SEL$1 t1 t4)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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select /*+ leading(@SEL$1 t1@SEL$1 t4@YZ)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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select /*+ leading(@SEL$1 t4@YZ t1@SEL$1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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#hint qb_name/leading/alias name table_name in hint should be alias name
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select /*+ leading(@SEL$1 t_a@YZ t1@SEL$1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4 t_a) t where t.c1 = t1.c1;
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select /*+ leading(@SEL$1 t4@YZ t1@SEL$1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4 t_a) t where t.c1 = t1.c1;
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#hint qb_name/leading/use_nl
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select /*+ leading(@SEL$1 t4@YZ t1@SEL$1) use_nl(@SEL$1 t1@SEL$1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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#hint qb_name/leading/use_bnl
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select /*+ leading(@SEL$1 t4@YZ t1@SEL$1) use_bnl(@SEL$1 t1@SEL$1)*/ * from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1;
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#hint qb_name/leading/use_merge
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select /*+ leading(@SEL$1 t4@YZ t1@SEL$1) */ * from t1 , (select/*+qb_name(yz) use_merge(@SEL$1 t1@SEL$1)*/ c1 from t4) t where t.c1 = t1.c1;
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#hint with set op
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select c1 from t1 union select /*+index(@SEL$1 t1 idx_t1_c2)*/ c1 from t2;
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select t1.c1 from t1, t2 where t1.c1 = t2.c1 union select/*+leading(@SEL$1 t1 t2) use_merge(@SEL1 t2@SEL$1)*/ c1 from t2;
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#hint with set op 对同一个sub_query指定多个leading失效
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select/*+leading(@SEL$1 t2 t1)*/ t1.c1 from t1, t2 where t1.c1 = t2.c1 union select/*+leading(@SEL$1 t1 t2) use_merge(@SEL1 t2@SEL$1)*/ c1 from t2;
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(select /*+ leading(@SEL$1 t4@YZ t1@SEL$1) */ t1.c1 from t1 , (select/*+qb_name(yz) use_merge(@SEL$1 t1@SEL$1)*/ c1 from t4) t where t.c1 = t1.c1) union select c1 from t3;
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(select t1.c1 from t1 , (select/*+qb_name(yz)*/ c1 from t4) t where t.c1 = t1.c1) union select/*+leading(@SEL$1 t4@YZ t1@SEL$1) use_merge(@SEL$1 t1@SEL$1)*/ c1 from t3;
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#hint subquery in subquery with no rewrite
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#no rewrite, can not find t4 in SEL$1
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select/*+index(@SEL$1 t4 idx_t4_c2) */t1.c1 from t1 where t1.c1 in (select t4.c1 from t4 group by t4.c2);
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select/*+index(@SEL$2 t4 idx_t4_c2) */t1.c1 from t1 where t1.c1 in (select t4.c1 from t4 group by t4.c2);
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select/*+index(@SEL$2 t4 idx_t4_c2) */t1.c1 from t1 where t1.c1 in (select/*+index(t4 idx_t4_c3)*/ t4.c1 from t4, (select t5.c1 from t5) t_a where t4.c2 > 1 and t4.c2 < 3 and t_a.c1 = t4.c1 group by t4.c2);
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select/*+index(@SEL$2 t4 idx_t4_c2) */t1.c1 from t1 where t1.c1 in (select/*+index(t4 idx_t4_c3)*/ t4.c1 from t4, (select t5.c1 from t5) t_a where t4.c3 > 1 and t4.c3 < 3 and t_a.c1 = t4.c1 group by t4.c2);
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select/*+index(@SEL$2 t4 idx_t4_c2) leading(@SEL$2 t5@SEL$3 t4@SEL$2)*/t1.c1 from t1 where t1.c1 in (select t4.c1 from t4, (select t5.c1 from t5) t_a where t_a.c1 = t4.c1 group by t4.c2);
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select * from hint.t1 where a in (select * from (select max(t1.a) from hint.t1, hint.t2) as tt);
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select /*+ BEGIN_OUTLINE_DATA USE_NL(@"SEL$3" "hint.t2"@"SEL$3") LEADING(@"SEL$3" "hint.t2"@"SEL$3" "hint.t1"@"SEL$3") END_OUTLINE_DATA */* from hint.t1 where a in (select * from (select max(t1.a) from hint.t1, hint.t2) as tt);
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#subquery in subquery
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select t1.c1 from t1, (select t2.c1 from t2, (select t3.c1 from t3) t_a where t_a.c1 = t2.c1) t_a1 where t_a1.c1 = t1.c1 and t1.c1 in (select t4.c1 from t4);
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select /*+ leading(@SEL$1 t1 t4 t3 t2) index(@SEL$4 t4 idx_t4_c3)*/ t1.c1 from t1, (select t2.c1 from t2, (select t3.c1 from t3) t_a where t_a.c1 = t2.c1) t_a1 where t_a1.c1 = t1.c1 and t1.c1 in (select t4.c1 from t4);
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#wrong qb name SEL1 should be SEL$1
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select /*+ leading(@SEL1 t1 t4 t3 t2) index(@SEL$4 t4 idx_t4_c3)*/ t1.c1 from t1, (select t2.c1 from t2, (select t3.c1 from t3) t_a where t_a.c1 = t2.c1) t_a1 where t_a1.c1 = t1.c1 and t1.c1 in (select t4.c1 from t4);
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select /*+index(@SEL$3 t5@SEL$3 idx_t5_c2) index(@SEL$4 t4 idx_t4_c3)*/ t1.c1 from t1, (select t2.c1 from t2, (select t5.c1 from t5 group by t5.c2) t_a where t_a.c1 = t2.c1) t_a1 where t_a1.c1 = t1.c1 and t1.c1 in (select t4.c1 from t4);
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#test index hint
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select c2 from t_idx use index(t_c2);
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select c120 from t_idx use index (idx_t_idx_c2, idx_t_idx_c3, idx_t_idx_c4, idx_t_idx_c5, idx_t_idx_c6, idx_t_idx_c7, idx_t_idx_c8, idx_t_idx_c9, idx_t_idx_c10, idx_t_idx_c11, idx_t_idx_c12, idx_t_idx_c13, idx_t_idx_c14, idx_t_idx_c15, idx_t_idx_c16, idx_t_idx_c17, idx_t_idx_c18, idx_t_idx_c19, idx_t_idx_c20, idx_t_idx_c21, idx_t_idx_c22, idx_t_idx_c23, idx_t_idx_c24, idx_t_idx_c25, idx_t_idx_c26, idx_t_idx_c27, idx_t_idx_c28, idx_t_idx_c29, idx_t_idx_c30, idx_t_idx_c31, idx_t_idx_c32, idx_t_idx_c33, idx_t_idx_c34, idx_t_idx_c35, idx_t_idx_c36, idx_t_idx_c37, idx_t_idx_c38, idx_t_idx_c39, idx_t_idx_c40, idx_t_idx_c41, idx_t_idx_c42, idx_t_idx_c43, idx_t_idx_c44, idx_t_idx_c45, idx_t_idx_c46, idx_t_idx_c47, idx_t_idx_c48, idx_t_idx_c49, idx_t_idx_c50, idx_t_idx_c51, idx_t_idx_c52, idx_t_idx_c53, idx_t_idx_c54, idx_t_idx_c55, idx_t_idx_c56, idx_t_idx_c57, idx_t_idx_c58, idx_t_idx_c59, idx_t_idx_c60, idx_t_idx_c61, idx_t_idx_c62, idx_t_idx_c63, idx_t_idx_c64, idx_t_idx_c65, idx_t_idx_c66, idx_t_idx_c67, idx_t_idx_c68, idx_t_idx_c69, idx_t_idx_c70, idx_t_idx_c71, idx_t_idx_c72, idx_t_idx_c73, idx_t_idx_c74, idx_t_idx_c75, idx_t_idx_c76, idx_t_idx_c77, idx_t_idx_c78, idx_t_idx_c79, idx_t_idx_c80, idx_t_idx_c81, idx_t_idx_c82, idx_t_idx_c83, idx_t_idx_c84, idx_t_idx_c85, idx_t_idx_c86, idx_t_idx_c87, idx_t_idx_c88, idx_t_idx_c89, idx_t_idx_c90, idx_t_idx_c91, idx_t_idx_c92, idx_t_idx_c93, idx_t_idx_c94, idx_t_idx_c95, idx_t_idx_c96, idx_t_idx_c97, idx_t_idx_c98, idx_t_idx_c99, idx_t_idx_c100, idx_t_idx_c101, idx_t_idx_c102, idx_t_idx_c103, idx_t_idx_c104, idx_t_idx_c105, idx_t_idx_c106, idx_t_idx_c107, idx_t_idx_c108, idx_t_idx_c109, idx_t_idx_c110, idx_t_idx_c111, idx_t_idx_c112, idx_t_idx_c113, idx_t_idx_c114, idx_t_idx_c115, idx_t_idx_c116, idx_t_idx_c117, idx_t_idx_c118, idx_t_idx_c119, idx_t_idx_c120, idx_t_idx_c121, idx_t_idx_c122, idx_t_idx_c123, idx_t_idx_c124, idx_t_idx_c125, idx_t_idx_c126, idx_t_idx_c127, idx_t_idx_c128, idx_t_idx_c129) where c120 = 1;
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select c120 from t_idx use index (idx_t_idx_c2, idx_t_idx_c2, idx_t_idx_c3, idx_t_idx_c4, idx_t_idx_c5, idx_t_idx_c6, idx_t_idx_c7, idx_t_idx_c8, idx_t_idx_c9, idx_t_idx_c10, idx_t_idx_c11, idx_t_idx_c12, idx_t_idx_c13, idx_t_idx_c14, idx_t_idx_c15, idx_t_idx_c16, idx_t_idx_c17, idx_t_idx_c18, idx_t_idx_c19, idx_t_idx_c20, idx_t_idx_c21, idx_t_idx_c22, idx_t_idx_c23, idx_t_idx_c24, idx_t_idx_c25, idx_t_idx_c26, idx_t_idx_c27, idx_t_idx_c28, idx_t_idx_c29, idx_t_idx_c30, idx_t_idx_c31, idx_t_idx_c32, idx_t_idx_c33, idx_t_idx_c34, idx_t_idx_c35, idx_t_idx_c36, idx_t_idx_c37, idx_t_idx_c38, idx_t_idx_c39, idx_t_idx_c40, idx_t_idx_c41, idx_t_idx_c42, idx_t_idx_c43, idx_t_idx_c44, idx_t_idx_c45, idx_t_idx_c46, idx_t_idx_c47, idx_t_idx_c48, idx_t_idx_c49, idx_t_idx_c50, idx_t_idx_c51, idx_t_idx_c52, idx_t_idx_c53, idx_t_idx_c54, idx_t_idx_c55, idx_t_idx_c56, idx_t_idx_c57, idx_t_idx_c58, idx_t_idx_c59, idx_t_idx_c60, idx_t_idx_c61, idx_t_idx_c62, idx_t_idx_c63, idx_t_idx_c64, idx_t_idx_c65, idx_t_idx_c66, idx_t_idx_c67, idx_t_idx_c68, idx_t_idx_c69, idx_t_idx_c70, idx_t_idx_c71, idx_t_idx_c72, idx_t_idx_c73, idx_t_idx_c74, idx_t_idx_c75, idx_t_idx_c76, idx_t_idx_c77, idx_t_idx_c78, idx_t_idx_c79, idx_t_idx_c80, idx_t_idx_c81, idx_t_idx_c82, idx_t_idx_c83, idx_t_idx_c84, idx_t_idx_c85, idx_t_idx_c86, idx_t_idx_c87, idx_t_idx_c88, idx_t_idx_c89, idx_t_idx_c90, idx_t_idx_c91, idx_t_idx_c92, idx_t_idx_c93, idx_t_idx_c94, idx_t_idx_c95, idx_t_idx_c96, idx_t_idx_c97, idx_t_idx_c98, idx_t_idx_c99, idx_t_idx_c100, idx_t_idx_c101, idx_t_idx_c102, idx_t_idx_c103, idx_t_idx_c104, idx_t_idx_c105, idx_t_idx_c106, idx_t_idx_c107, idx_t_idx_c108, idx_t_idx_c109, idx_t_idx_c110, idx_t_idx_c111, idx_t_idx_c112, idx_t_idx_c113, idx_t_idx_c114, idx_t_idx_c115, idx_t_idx_c116, idx_t_idx_c117, idx_t_idx_c118, idx_t_idx_c119, idx_t_idx_c120, idx_t_idx_c121, idx_t_idx_c122, idx_t_idx_c123, idx_t_idx_c124, idx_t_idx_c125, idx_t_idx_c126, idx_t_idx_c127, idx_t_idx_c128, idx_t_idx_c129) where c120 = 1;
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#use_plan_cache hint not used now,but should not produce error
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select /*+use_plan_cache(none)*/ * from hint.t1;
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select /*+use_plan_cache(meaningless)*/ * from hint.t1;
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select /*+ index(t1 primary) */ * from hint.t1 order by a desc;
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#bug 8477262
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select min(a) from z1 za where za.a in (select a from z1);
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select /*+ INDEX(@SEL$3 opt.z1@SEL$2 z1_b)*/ min(a) from z1 za where za.a in (select a from z1);
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#bug 8408303(ignore key influence index hint);
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#repair: /*+index(t i)*/ hint will ignore IGNORE HINT
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select /*+index(z1 z1_b)*/ * from z1 ignore key(a);
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select /*+index(z1 z1_b)*/ * from z1 ignore key(z1_b);
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