Fix PredicateMoveAround and PredicateDecude bugs
This commit is contained in:
obdev
@ -3781,5 +3781,506 @@ Outputs & filters:
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drop table if exists t1, t2, t3;
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drop table if exists tt1, tt2, tt3;
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drop table if exists cghldinf, puzdjypf, pujydypf;
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drop table if exists v0;
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CREATE TABLE v0 ( v1 varchar(127));
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EXPLAIN select * from v0 where v1 in (select -127 minus select _BINARY 'x');
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Query Plan
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==============================================
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|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
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----------------------------------------------
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|0 |MERGE JOIN | |1 |2 |
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|1 | SUBPLAN SCAN|VIEW1|1 |1 |
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|2 | EXPRESSION | |1 |1 |
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|3 | SORT | |1 |2 |
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|4 | TABLE SCAN |v0 |1 |2 |
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==============================================
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Outputs & filters:
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-------------------------------------
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0 - output([v0.v1]), filter(nil), rowset=256
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equal_conds([v0.v1 = VIEW1.-127]), other_conds(nil)
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merge_directions([ASC])
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1 - output([VIEW1.-127]), filter(nil), rowset=256
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access([VIEW1.-127])
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2 - output([cast(-127, VARCHAR(20))]), filter(nil)
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values({cast(-127, VARCHAR(20))})
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3 - output([v0.v1]), filter(nil), rowset=256
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sort_keys([v0.v1, ASC])
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4 - output([v0.v1]), filter(nil), rowset=256
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access([v0.v1]), partitions(p0)
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is_index_back=false, is_global_index=false,
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range_key([v0.__pk_increment]), range(MIN ; MAX)always true
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select * from v0 where v1 in (select -127 minus select _BINARY 'x');
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ERROR HY000: Internal error
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explain select * from v0 where v1 in (select -127 minus select _BINARY 'x');
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Query Plan
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==============================================
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|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
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----------------------------------------------
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|0 |MERGE JOIN | |1 |2 |
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|1 | SUBPLAN SCAN|VIEW1|1 |1 |
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|2 | EXPRESSION | |1 |1 |
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|3 | SORT | |1 |2 |
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|4 | TABLE SCAN |v0 |1 |2 |
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==============================================
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Outputs & filters:
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-------------------------------------
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0 - output([v0.v1]), filter(nil), rowset=256
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equal_conds([v0.v1 = VIEW1.-127]), other_conds(nil)
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merge_directions([ASC])
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1 - output([VIEW1.-127]), filter(nil), rowset=256
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access([VIEW1.-127])
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2 - output([cast(-127, VARCHAR(20))]), filter(nil)
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values({cast(-127, VARCHAR(20))})
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3 - output([v0.v1]), filter(nil), rowset=256
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sort_keys([v0.v1, ASC])
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4 - output([v0.v1]), filter(nil), rowset=256
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access([v0.v1]), partitions(p0)
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is_index_back=false, is_global_index=false,
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range_key([v0.__pk_increment]), range(MIN ; MAX)always true
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drop table if exists v0;
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explain_protocol: 0
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drop table if exists t1;
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drop table if exists t2;
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drop table if exists t3;
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create table t1(c1 decimal(10), c2 varchar(10), c3 varbinary(20));
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insert into t1(c1,c2) values(10,'a'),(20,'ab'),(50,'ad'),(100,'b'),(150,'c');
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create table t2(c1 decimal(20), c2 double, c3 varchar(20));
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insert into t2(c1,c2,c3) values(10,10,'a'),(20,20,'b'),(50,50,NULL),(100,100,NULL),(150,150,NULL);
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create table t3(c1 decimal(16), c2 float);
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insert into t3(c1,c2) values(10,10),(20,20),(50,50),(100,100),(150,150);
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explain_protocol: 2
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test IN pred
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### different accuracy
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EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 in (10,20,40);
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Query Plan
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===========================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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-------------------------------------------
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|0 |HASH JOIN | |4 |5 |
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|1 | TABLE SCAN|t1 |4 |2 |
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|2 | TABLE SCAN|t2 |4 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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1 - output([t1.c1]), filter([t1.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t1.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t2.c1]), filter([t2.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t2.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 in (10,20,40);
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+------+------+
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| c1 | c1 |
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+------+------+
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| 10 | 10 |
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| 20 | 20 |
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+------+------+
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EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 in (10,20,40);
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Query Plan
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===========================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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-------------------------------------------
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|0 |HASH JOIN | |4 |5 |
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|1 | TABLE SCAN|t1 |4 |2 |
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|2 | TABLE SCAN|t2 |4 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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1 - output([t1.c1]), filter([t1.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t1.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t2.c1]), filter([t2.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t2.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 in (10,20,40);
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+------+------+
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| c1 | c1 |
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+------+------+
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| 10 | 10 |
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| 20 | 20 |
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+------+------+
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EXPLAIN select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 in (10,20,40);
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Query Plan
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============================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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--------------------------------------------
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|0 |HASH JOIN | |4 |8 |
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|1 | TABLE SCAN |t3 |4 |2 |
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|2 | HASH JOIN | |4 |5 |
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|3 | TABLE SCAN|t1 |4 |2 |
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|4 | TABLE SCAN|t2 |4 |2 |
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============================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
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equal_conds([t1.c1 = t3.c1]), other_conds(nil)
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1 - output([t3.c1]), filter([t3.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t3.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t3.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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3 - output([t1.c1]), filter([t1.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t1.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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4 - output([t2.c1]), filter([t2.c1 IN (cast(10, DECIMAL(2, 0)), cast(20, DECIMAL(2, 0)), cast(40, DECIMAL(2, 0)))]), rowset=256
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access([t2.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 in (10,20,40);
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+------+------+
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| c1 | c1 |
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+------+------+
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| 10 | 10 |
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| 20 | 20 |
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+------+------+
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### different types
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####preds are 'cast(t1.c1,double) = cast(t3.c2,double)' and 'cast(t3.c2,double) in (10,20,40)'. cast(t3.c2,double) is not column ref, so 't1.c1 in (10,20,40)' won't be deduced.
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EXPLAIN select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 in (10,20,40);
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Query Plan
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===========================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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-------------------------------------------
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|0 |HASH JOIN | |5 |5 |
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|1 | TABLE SCAN|t3 |4 |3 |
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|2 | TABLE SCAN|t1 |5 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t1.c2], [t1.c3], [t3.c1], [t3.c2]), filter(nil), rowset=256
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equal_conds([cast(t1.c1, DOUBLE(-1, -1)) = cast(t3.c2, DOUBLE(-1, -1))]), other_conds(nil)
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1 - output([t3.c2], [t3.c1], [cast(t3.c2, DOUBLE(-1, -1))]), filter([cast(t3.c2, DOUBLE(-1, -1)) IN (cast(10, DOUBLE(-1, -1)), cast(20, DOUBLE(-1, -1)),
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cast(40, DOUBLE(-1, -1)))]), rowset=256
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access([t3.c2], [t3.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t3.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
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access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
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is_index_back=false, is_global_index=false,
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 in (10,20,40);
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+------+------+------+------+------+
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| c1 | c2 | c3 | c1 | c2 |
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+------+------+------+------+------+
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| 10 | a | NULL | 10 | 10 |
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| 20 | ab | NULL | 20 | 20 |
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+------+------+------+------+------+
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####different collection type
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EXPLAIN select * from t1,t2 where t1.c3 = t2.c3 and t2.c3 in ('a','b','c');
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Query Plan
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===========================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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-------------------------------------------
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|0 |HASH JOIN | |4 |7 |
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|1 | TABLE SCAN|t2 |4 |2 |
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|2 | TABLE SCAN|t1 |5 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t1.c2], [t1.c3], [t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256
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equal_conds([t1.c3 = cast(t2.c3, VARCHAR(1048576))]), other_conds(nil)
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1 - output([t2.c3], [t2.c1], [t2.c2]), filter([t2.c3 IN ('a', 'b', 'c')]), rowset=256
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access([t2.c3], [t2.c1], [t2.c2]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t1.c3], [t1.c1], [t1.c2]), filter(nil), rowset=256
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access([t1.c3], [t1.c1], [t1.c2]), partitions(p0)
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is_index_back=false, is_global_index=false,
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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select * from t1,t2 where t1.c3 = t2.c3 and t2.c3 in ('a','b','c');
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+------+------+------+------+------+------+
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| c1 | c2 | c3 | c1 | c2 | c3 |
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+------+------+------+------+------+------+
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+------+------+------+------+------+------+
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EXPLAIN select * from t1,t2 where t1.c3 = t2.c3 and t1.c3 in ('a','b','c');
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Query Plan
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===========================================
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|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
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-------------------------------------------
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|0 |HASH JOIN | |1 |5 |
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|1 | TABLE SCAN|t2 |1 |2 |
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|2 | TABLE SCAN|t1 |4 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t1.c2], [t1.c3], [t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256
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equal_conds([t1.c3 = cast(t2.c3, VARCHAR(1048576))]), other_conds(nil)
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1 - output([t2.c3], [t2.c1], [t2.c2], [cast(t2.c3, VARCHAR(1048576))]), filter([cast(t2.c3, VARCHAR(1048576)) IN (cast('a', VARCHAR(1048576)), cast('b',
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VARCHAR(1048576)), cast('c', VARCHAR(1048576)))]), rowset=256
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access([t2.c3], [t2.c1], [t2.c2]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t1.c3], [t1.c1], [t1.c2]), filter([t1.c3 IN (cast('a', VARCHAR(1048576)), cast('b', VARCHAR(1048576)), cast('c', VARCHAR(1048576)))]), rowset=256
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access([t1.c3], [t1.c1], [t1.c2]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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select * from t1,t2 where t1.c3 = t2.c3 and t1.c3 in ('a','b','c');
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+------+------+------+------+------+------+
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| c1 | c2 | c3 | c1 | c2 | c3 |
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+------+------+------+------+------+------+
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+------+------+------+------+------+------+
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test NOT EQUAL
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EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 <> 20;
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Query Plan
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===========================================
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||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
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-------------------------------------------
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|0 |HASH JOIN | |4 |5 |
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|1 | TABLE SCAN|t1 |4 |2 |
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|2 | TABLE SCAN|t2 |4 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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1 - output([t1.c1]), filter([t1.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
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access([t1.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t2.c1]), filter([t2.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
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access([t2.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 <> 20;
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+------+------+
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| c1 | c1 |
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+------+------+
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| 10 | 10 |
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| 50 | 50 |
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| 100 | 100 |
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| 150 | 150 |
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+------+------+
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EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 <> 20;
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Query Plan
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||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
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|0 |HASH JOIN | |4 |5 |
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||||
|1 | TABLE SCAN|t1 |4 |2 |
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||||
|2 | TABLE SCAN|t2 |4 |2 |
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===========================================
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Outputs & filters:
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-------------------------------------
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0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
|
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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1 - output([t1.c1]), filter([t1.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
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access([t1.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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2 - output([t2.c1]), filter([t2.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
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access([t2.c1]), partitions(p0)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 <> 20;
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+------+------+
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| c1 | c1 |
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+------+------+
|
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| 10 | 10 |
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| 50 | 50 |
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| 100 | 100 |
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| 150 | 150 |
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+------+------+
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EXPLAIN select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 <>20;
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Query Plan
|
||||
============================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------
|
||||
|0 |HASH JOIN | |4 |8 |
|
||||
|1 | TABLE SCAN |t3 |4 |2 |
|
||||
|2 | HASH JOIN | |4 |5 |
|
||||
|3 | TABLE SCAN|t1 |4 |2 |
|
||||
|4 | TABLE SCAN|t2 |4 |2 |
|
||||
============================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([t1.c1 = t3.c1]), other_conds(nil)
|
||||
1 - output([t3.c1]), filter([t3.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
|
||||
access([t3.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t3.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([t1.c1 = t2.c1]), other_conds(nil)
|
||||
3 - output([t1.c1]), filter([t1.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
|
||||
access([t1.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t1.__pk_increment]), range(MIN ; MAX)always true
|
||||
4 - output([t2.c1]), filter([t2.c1 != cast(20, DECIMAL(2, 0))]), rowset=256
|
||||
access([t2.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t2.__pk_increment]), range(MIN ; MAX)always true
|
||||
select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 <>20;
|
||||
+------+------+
|
||||
| c1 | c1 |
|
||||
+------+------+
|
||||
| 10 | 10 |
|
||||
| 50 | 50 |
|
||||
| 100 | 100 |
|
||||
| 150 | 150 |
|
||||
+------+------+
|
||||
EXPLAIN select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 <> 20;
|
||||
Query Plan
|
||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
|
||||
|0 |HASH JOIN | |5 |6 |
|
||||
|1 | TABLE SCAN|t3 |4 |3 |
|
||||
|2 | TABLE SCAN|t1 |5 |2 |
|
||||
===========================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t1.c2], [t1.c3], [t3.c1], [t3.c2]), filter(nil), rowset=256
|
||||
equal_conds([cast(t1.c1, DOUBLE(-1, -1)) = cast(t3.c2, DOUBLE(-1, -1))]), other_conds(nil)
|
||||
1 - output([t3.c2], [t3.c1], [cast(t3.c2, DOUBLE(-1, -1))]), filter([cast(t3.c2, DOUBLE(-1, -1)) != cast(20, DOUBLE(-1, -1))]), rowset=256
|
||||
access([t3.c2], [t3.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t3.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.__pk_increment]), range(MIN ; MAX)always true
|
||||
select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 <> 20;
|
||||
+------+------+------+------+------+
|
||||
| c1 | c2 | c3 | c1 | c2 |
|
||||
+------+------+------+------+------+
|
||||
| 10 | a | NULL | 10 | 10 |
|
||||
| 50 | ad | NULL | 50 | 50 |
|
||||
| 100 | b | NULL | 100 | 100 |
|
||||
| 150 | c | NULL | 150 | 150 |
|
||||
+------+------+------+------+------+
|
||||
|
||||
test BETWEEN
|
||||
### differnt types
|
||||
EXPLAIN select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t2.c2 between 10 and cast(100 as float);
|
||||
Query Plan
|
||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
|
||||
|0 |HASH JOIN | |1 |4 |
|
||||
|1 | TABLE SCAN|t3 |1 |2 |
|
||||
|2 | TABLE SCAN|t2 |1 |2 |
|
||||
===========================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t3.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([cast(t3.c2, DOUBLE(-1, -1)) = t2.c2]), other_conds(nil)
|
||||
1 - output([t3.c1], [cast(t3.c2, DOUBLE(-1, -1))]), filter([(T_OP_BTW, cast(t3.c2, DOUBLE(-1, -1)), cast(10, DOUBLE(-1, -1)), cast(cast(100, FLOAT(0,
|
||||
-1)), DOUBLE(-1, -1)))]), rowset=256
|
||||
access([t3.c2], [t3.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t3.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t2.c2], [t2.c1]), filter([(T_OP_BTW, t2.c2, cast(10, DOUBLE(-1, -1)), cast(cast(100, FLOAT(0, -1)), DOUBLE(-1, -1)))]), rowset=256
|
||||
access([t2.c2], [t2.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t2.__pk_increment]), range(MIN ; MAX)always true
|
||||
select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t2.c2 between 10 and cast(100 as float);
|
||||
+------+------+
|
||||
| c1 | c1 |
|
||||
+------+------+
|
||||
| 10 | 10 |
|
||||
| 20 | 20 |
|
||||
| 50 | 50 |
|
||||
| 100 | 100 |
|
||||
+------+------+
|
||||
EXPLAIN select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t3.c2 between 10 and cast(100 as float);
|
||||
Query Plan
|
||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
|
||||
|0 |HASH JOIN | |1 |5 |
|
||||
|1 | TABLE SCAN|t3 |1 |2 |
|
||||
|2 | TABLE SCAN|t2 |5 |2 |
|
||||
===========================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t3.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([cast(t3.c2, DOUBLE(-1, -1)) = t2.c2]), other_conds(nil)
|
||||
1 - output([t3.c1], [cast(t3.c2, DOUBLE(-1, -1))]), filter([(T_OP_BTW, cast(t3.c2, DOUBLE(-1, -1)), cast(10, DOUBLE(-1, -1)), cast(cast(100, FLOAT(0,
|
||||
-1)), DOUBLE(-1, -1)))]), rowset=256
|
||||
access([t3.c2], [t3.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t3.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t2.c2], [t2.c1]), filter(nil), rowset=256
|
||||
access([t2.c2], [t2.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.__pk_increment]), range(MIN ; MAX)always true
|
||||
select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t3.c2 between 10 and cast(100 as float);
|
||||
+------+------+
|
||||
| c1 | c1 |
|
||||
+------+------+
|
||||
| 10 | 10 |
|
||||
| 20 | 20 |
|
||||
| 50 | 50 |
|
||||
| 100 | 100 |
|
||||
+------+------+
|
||||
|
||||
test LIKE
|
||||
EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t2.c3 like 'a_';
|
||||
Query Plan
|
||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
|
||||
|0 |HASH JOIN | |1 |5 |
|
||||
|1 | TABLE SCAN|t1 |1 |2 |
|
||||
|2 | TABLE SCAN|t2 |1 |2 |
|
||||
===========================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([t1.c2 = t2.c3]), other_conds(nil)
|
||||
1 - output([t1.c2], [t1.c1]), filter([(T_OP_LIKE, t1.c2, 'a_', '\\')]), rowset=256
|
||||
access([t1.c2], [t1.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t1.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t2.c3], [t2.c1]), filter([(T_OP_LIKE, t2.c3, 'a_', '\\')]), rowset=256
|
||||
access([t2.c3], [t2.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t2.__pk_increment]), range(MIN ; MAX)always true
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t2.c3 like 'a_';
|
||||
+------+------+
|
||||
| c1 | c1 |
|
||||
+------+------+
|
||||
+------+------+
|
||||
EXPLAIN select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t1.c2 like 'a_';
|
||||
Query Plan
|
||||
===========================================
|
||||
|ID|OPERATOR |NAME|EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------
|
||||
|0 |HASH JOIN | |1 |5 |
|
||||
|1 | TABLE SCAN|t1 |1 |2 |
|
||||
|2 | TABLE SCAN|t2 |1 |2 |
|
||||
===========================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t2.c1]), filter(nil), rowset=256
|
||||
equal_conds([t1.c2 = t2.c3]), other_conds(nil)
|
||||
1 - output([t1.c2], [t1.c1]), filter([(T_OP_LIKE, t1.c2, 'a_', '\\')]), rowset=256
|
||||
access([t1.c2], [t1.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t1.__pk_increment]), range(MIN ; MAX)always true
|
||||
2 - output([t2.c3], [t2.c1]), filter([(T_OP_LIKE, t2.c3, 'a_', '\\')]), rowset=256
|
||||
access([t2.c3], [t2.c1]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t2.__pk_increment]), range(MIN ; MAX)always true
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t1.c2 like 'a_';
|
||||
+------+------+
|
||||
| c1 | c1 |
|
||||
+------+------+
|
||||
+------+------+
|
||||
|
||||
drop table t1;
|
||||
drop table t2;
|
||||
drop table t3;
|
||||
|
||||
USE DB_PREDICATE_DEDUCE;
|
||||
drop database DB_PREDICATE_DEDUCE;
|
||||
|
||||
@ -432,5 +432,59 @@ drop table if exists tt1, tt2, tt3;
|
||||
drop table if exists cghldinf, puzdjypf, pujydypf;
|
||||
--enable_warnings
|
||||
|
||||
#Bugfix:https://work.aone.alibaba-inc.com/issue/47217185
|
||||
--disable_warnings
|
||||
drop table if exists v0;
|
||||
--enable_warnings
|
||||
CREATE TABLE v0 ( v1 varchar(127));
|
||||
select * from v0 where v1 in (select -127 minus select _BINARY 'x');
|
||||
explain select * from v0 where v1 in (select -127 minus select _BINARY 'x');
|
||||
drop table if exists v0;
|
||||
|
||||
|
||||
#Bugfix:https://work.aone.alibaba-inc.com/issue/47186369
|
||||
--explain_protocol 0
|
||||
--disable_warnings
|
||||
drop table if exists t1;
|
||||
drop table if exists t2;
|
||||
drop table if exists t3;
|
||||
--enable_warnings
|
||||
create table t1(c1 decimal(10), c2 varchar(10), c3 varbinary(20));
|
||||
insert into t1(c1,c2) values(10,'a'),(20,'ab'),(50,'ad'),(100,'b'),(150,'c');
|
||||
create table t2(c1 decimal(20), c2 double, c3 varchar(20));
|
||||
insert into t2(c1,c2,c3) values(10,10,'a'),(20,20,'b'),(50,50,NULL),(100,100,NULL),(150,150,NULL);
|
||||
create table t3(c1 decimal(16), c2 float);
|
||||
insert into t3(c1,c2) values(10,10),(20,20),(50,50),(100,100),(150,150);
|
||||
--explain_protocol 2
|
||||
--echo test IN pred
|
||||
### different accuracy
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 in (10,20,40);
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 in (10,20,40);
|
||||
select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 in (10,20,40);
|
||||
### different types
|
||||
####preds are 'cast(t1.c1,double) = cast(t3.c2,double)' and 'cast(t3.c2,double) in (10,20,40)'. cast(t3.c2,double) is not column ref, so 't1.c1 in (10,20,40)' won't be deduced.
|
||||
select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 in (10,20,40);
|
||||
####different collection type
|
||||
select * from t1,t2 where t1.c3 = t2.c3 and t2.c3 in ('a','b','c');
|
||||
select * from t1,t2 where t1.c3 = t2.c3 and t1.c3 in ('a','b','c');
|
||||
--echo test NOT EQUAL
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t2.c1 <> 20;
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c1 <> 20;
|
||||
select t1.c1,t2.c1 from t1,t2,t3 where t1.c1 = t3.c1 and t2.c1 = t3.c1 and t1.c1 <>20;
|
||||
select * from t1,t3 where t1.c1 = t3.c2 and t3.c2 <> 20;
|
||||
|
||||
--echo test BETWEEN
|
||||
### differnt types
|
||||
select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t2.c2 between 10 and cast(100 as float);
|
||||
select t3.c1,t2.c1 from t3,t2 where t3.c2 = t2.c2 and t3.c2 between 10 and cast(100 as float);
|
||||
|
||||
--echo test LIKE
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t2.c3 like 'a_';
|
||||
select t1.c1,t2.c1 from t1,t2 where t1.c2 = t2.c3 and t1.c2 like 'a_';
|
||||
|
||||
drop table t1;
|
||||
drop table t2;
|
||||
drop table t3;
|
||||
|
||||
USE DB_PREDICATE_DEDUCE;
|
||||
drop database DB_PREDICATE_DEDUCE;
|
||||
|
||||
Reference in New Issue
Block a user