[ 
https://issues.apache.org/jira/browse/ASTERIXDB-3139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vijay Sarathy updated ASTERIXDB-3139:
-------------------------------------
    Description: 
explain SELECT COUNT(DISTINCT r.destinationairport) FROM airport a JOIN route r 
ON r.sourceairport = a.faa WHERE a.city = 'San Francisco' AND a.country = 
'United States';

 

{
  "operator": "distribute-result",
  "expressions": [
    "$$53"
  ],
  "operatorId": "1.1",
  "physical-operator": "DISTRIBUTE_RESULT",
  "execution-mode": "UNPARTITIONED",
  "optimizer-estimates":

{     "cardinality": 2.4,   ---> CARDINALITY SHOULD NOT SHOW FRACTIONAL VALUE   
 

       "op-cost": 0,     "total-cost": 18379.44   }

,

  was:
explain SELECT COUNT(DISTINCT r.destinationairport) FROM airport a JOIN route r 
ON r.sourceairport = a.faa WHERE a.city = 'San Francisco' AND a.country = 
'United States';

 

{
  "operator": "distribute-result",
  "expressions": [
    "$$53"
  ],
  "operatorId": "1.1",
  "physical-operator": "DISTRIBUTE_RESULT",
  "execution-mode": "UNPARTITIONED",
  "optimizer-estimates": {
    "cardinality": 2.4,   ---> CARDINALITY SHOULD NOT SHOW FRACTIONAL VALUE
    "op-cost": 0,
    "total-cost": 18379.44
  },


> cardinality in explain should not be in decimal format
> ------------------------------------------------------
>
>                 Key: ASTERIXDB-3139
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3139
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: COMP - Compiler
>            Reporter: Vijay Sarathy
>            Assignee: Vijay Sarathy
>            Priority: Major
>
> explain SELECT COUNT(DISTINCT r.destinationairport) FROM airport a JOIN route 
> r ON r.sourceairport = a.faa WHERE a.city = 'San Francisco' AND a.country = 
> 'United States';
>  
> {
>   "operator": "distribute-result",
>   "expressions": [
>     "$$53"
>   ],
>   "operatorId": "1.1",
>   "physical-operator": "DISTRIBUTE_RESULT",
>   "execution-mode": "UNPARTITIONED",
>   "optimizer-estimates":
> {     "cardinality": 2.4,   ---> CARDINALITY SHOULD NOT SHOW FRACTIONAL VALUE 
>    
>        "op-cost": 0,     "total-cost": 18379.44   }
> ,



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