[FEAT MERGE] ENHANCE CARDINALITY ESTIMATION AND OPTIMIZER STATS MANAGEMENT
Co-authored-by: ChangerR <dingjinchengyx@163.com> Co-authored-by: wangt1xiuyi <13547954130@163.com>
This commit is contained in:
@ -110,12 +110,12 @@ 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 |PX COORDINATOR | |9 |66 |
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|1 |└─EXCHANGE OUT DISTR |:EX10001|9 |57 |
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|2 | └─HASH GROUP BY | |9 |48 |
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|3 | └─EXCHANGE IN DISTR | |16 |45 |
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|4 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|16 |37 |
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|5 | └─HASH GROUP BY | |16 |20 |
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|0 |PX COORDINATOR | |12 |79 |
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|1 |└─EXCHANGE OUT DISTR |:EX10001|12 |68 |
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|2 | └─HASH GROUP BY | |12 |55 |
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|3 | └─EXCHANGE IN DISTR | |19 |51 |
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|4 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|19 |42 |
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|5 | └─HASH GROUP BY | |19 |21 |
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|6 | └─PX PARTITION ITERATOR| |28 |16 |
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|7 | └─MERGE JOIN | |28 |16 |
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|8 | ├─TABLE FULL SCAN |score |28 |8 |
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@ -8,7 +8,7 @@ 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 |TEMP TABLE TRANSFORMATION | |1 |4 |
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|0 |TEMP TABLE TRANSFORMATION | |1 |6 |
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|1 |├─PX COORDINATOR | |0 |3 |
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|2 |│ └─EXCHANGE OUT DISTR |:EX10001 |0 |3 |
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|3 |│ └─TEMP TABLE INSERT |TEMP1 |0 |3 |
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@ -18,10 +18,10 @@ Query Plan
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|7 |│ └─HASH GROUP BY | |1 |2 |
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|8 |│ └─PX BLOCK ITERATOR | |1 |2 |
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|9 |│ └─TABLE FULL SCAN |t1 |1 |2 |
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|10|└─PX COORDINATOR | |1 |2 |
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|11| └─EXCHANGE OUT DISTR |:EX20002 |1 |2 |
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|12| └─SHARED HASH JOIN | |1 |1 |
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|13| ├─EXCHANGE IN DISTR | |1 |1 |
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|10|└─PX COORDINATOR | |1 |3 |
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|11| └─EXCHANGE OUT DISTR |:EX20002 |1 |3 |
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|12| └─SHARED HASH JOIN | |1 |2 |
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|13| ├─EXCHANGE IN DISTR | |1 |2 |
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|14| │ └─EXCHANGE OUT DISTR (BC2HOST) |:EX20001 |1 |1 |
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|15| │ └─SHARED HASH JOIN | |1 |1 |
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|16| │ ├─EXCHANGE IN DISTR | |1 |1 |
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@ -73,11 +73,11 @@ 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 |PX COORDINATOR | |1 |5 |
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|0 |PX COORDINATOR | |1 |6 |
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|1 |└─EXCHANGE OUT DISTR |:EX10003|1 |5 |
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|2 | └─HASH GROUP BY | |1 |5 |
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|3 | └─EXCHANGE IN DISTR | |1 |5 |
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|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002|1 |4 |
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|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002|1 |5 |
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|5 | └─HASH GROUP BY | |1 |4 |
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|6 | └─SUBPLAN SCAN |VIEW1 |1 |4 |
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|7 | └─MERGE GROUP BY | |1 |4 |
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@ -140,7 +140,7 @@ 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 |PX COORDINATOR | |1 |5 |
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|0 |PX COORDINATOR | |1 |6 |
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|1 |└─EXCHANGE OUT DISTR |:EX10002|1 |5 |
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|2 | └─MERGE GROUP BY | |1 |4 |
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|3 | └─PARTITION SORT | |1 |4 |
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