[teiid-issues] [JBoss JIRA] (TEIID-5036) Couchbase EXCEPT returns more values than expected

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on TEIID-5036 started by Steven Hawkins.
---------------------------------------------
> Couchbase EXCEPT returns more values than expected
> --------------------------------------------------
>
>                 Key: TEIID-5036
>                 URL: https://issues.jboss.org/browse/TEIID-5036
>             Project: Teiid
>          Issue Type: Bug
>          Components: Misc. Connectors
>    Affects Versions: 8.12.x-6.4
>            Reporter: Jan Stastny
>            Assignee: Steven Hawkins
>
> Except doesn't work as expected, it returns all the results from the first table, it does not remove entries which are present in the second table. Might be connected to TEIID-5035.
> {code:sql|title=query_small_a}
> SELECT IntKey FROM BQT1.SmallA
> {code}
> || IntKey ||
> || 0 ||
> || 1 ||
> || 10 ||
> || 11 ||
> || 12 ||
> || 13 ||
> || 14 ||
> || 15 ||
> || 16 ||
> || 17 ||
> || 18 ||
> || 19 ||
> || 2 ||
> || 20 ||
> || 21 ||
> || 22 ||
> || 23 ||
> || 24 ||
> || 25 ||
> || 26 ||
> || 27 ||
> || 28 ||
> || 29 ||
> || 3 ||
> || 30 ||
> || 31 ||
> || 32 ||
> || 33 ||
> || 34 ||
> || 35 ||
> || 36 ||
> || 37 ||
> || 38 ||
> || 39 ||
> || 4 ||
> || 40 ||
> || 41 ||
> || 42 ||
> || 43 ||
> || 44 ||
> || 45 ||
> || 46 ||
> || 47 ||
> || 48 ||
> || 49 ||
> || 5 ||
> || 6 ||
> || 7 ||
> || 8 ||
> || 9 ||
> {code:sql|title=query_small_b}
> SELECT IntNum FROM BQT1.SmallB
> {code}
> || IntNum ||
> || <null> ||
> || -23 ||
> || -14 ||
> || -13 ||
> || -12 ||
> || -11 ||
> || -10 ||
> || -9 ||
> || <null> ||
> || -7 ||
> || -6 ||
> || -5 ||
> || -22 ||
> || -4 ||
> || -3 ||
> || -2 ||
> || -1 ||
> || 0 ||
> || 1 ||
> || 2 ||
> || 3 ||
> || 4 ||
> || 5 ||
> || -21 ||
> || 6 ||
> || 7 ||
> || <null> ||
> || 9 ||
> || 10 ||
> || 11 ||
> || 12 ||
> || 13 ||
> || 14 ||
> || 15 ||
> || -20 ||
> || 16 ||
> || 17 ||
> || 18 ||
> || 19 ||
> || 20 ||
> || 21 ||
> || 22 ||
> || 23 ||
> || <null> ||
> || 25 ||
> || -19 ||
> || -18 ||
> || -17 ||
> || -16 ||
> || -15 ||
> {code:sql|title=query_smalla_except_smallb}
> SELECT IntKey FROM BQT1.SmallA EXCEPT SELECT IntNum FROM BQT1.SmallB
> {code}
> || IntKey ||
> || 13 ||
> || 32 ||
> || 30 ||
> || 17 ||
> || 8 ||
> || 36 ||
> || 11 ||
> || 34 ||
> || 4 ||
> || 15 ||
> || 38 ||
> || 0 ||
> || 19 ||
> || 6 ||
> || 2 ||
> || 47 ||
> || 45 ||
> || 43 ||
> || 41 ||
> || 49 ||
> || 26 ||
> || 28 ||
> || 22 ||
> || 24 ||
> || 20 ||
> || 31 ||
> || 10 ||
> || 12 ||
> || 35 ||
> || 14 ||
> || 33 ||
> || 16 ||
> || 9 ||
> || 39 ||
> || 18 ||
> || 7 ||
> || 37 ||
> || 5 ||
> || 3 ||
> || 1 ||
> || 44 ||
> || 40 ||
> || 46 ||
> || 42 ||
> || 48 ||
> || 29 ||
> || 25 ||
> || 27 ||
> || 21 ||
> || 23 ||
> {code:title=teiid-command.log}
> 10:08:57,788 INFO  [org.teiid.COMMAND_LOG] (New I/O worker #2) QE2ZpDa/Btt5     START USER COMMAND: startTime=2017-08-25 10:08:57.788       requestID=QE2ZpDa/Btt5.153    txID=null sessionID=QE2ZpDa/Btt5        applicationName=JDBC          principal=user at teiid-security vdbName=couchbase   vdbVersion=1        sql=SELECT IntKey FROM BQT1.SmallA EXCEPT SELECT IntNum FROM BQT1.SmallB
> 10:08:57,795 DEBUG [org.teiid.COMMAND_LOG] (Worker52_QueryProcessorQueue466) QE2ZpDa/Btt5           START DATA SRC COMMAND:       startTime=2017-08-25 10:08:57.795       requestID=QE2ZpDa/Btt5.153    sourceCommandID=0   executionID=113     txID=null modelName=Couchbase_small     translatorName=couchbase      sessionID=QE2ZpDa/Btt5        principal=user at teiid-security sql=SELECT Couchbase_small.SmallA.IntKey AS c_0 FROM Couchbase_small.SmallA EXCEPT SELECT Couchbase_small.SmallB.IntNum AS c_0 FROM Couchbase_small.SmallB
> 10:08:57,795 DEBUG [org.teiid.COMMAND_LOG] (Worker52_QueryProcessorQueue466) QE2ZpDa/Btt5           SOURCE SRC COMMAND: endTime=2017-08-25 10:08:57.795         requestID=QE2ZpDa/Btt5.153    sourceCommandID=0   executionID=113     txID=null modelName=Couchbase_small     translatorName=couchbase      sessionID=QE2ZpDa/Btt5        principal=user at teiid-security sourceCommand=[SELECT `$cb_c1_IntKey` FROM `dvqe_small` `$cb_t1` LET `$cb_c1_IntKey` = `$cb_t1`.`IntKey` WHERE `$cb_t1`.`type` = 'SmallA' EXCEPT SELECT `$cb_c2_IntNum` FROM `dvqe_small` `$cb_t2` LET `$cb_c1_IntKey` = `$cb_t2`.`IntKey`, `$cb_c2_IntNum` = `$cb_t2`.`IntNum` WHERE `$cb_t2`.`type` = 'SmallA']
> 10:08:58,061 DEBUG [org.teiid.COMMAND_LOG] (Worker51_QueryProcessorQueue467) QE2ZpDa/Btt5           END SRC COMMAND:    endTime=2017-08-25 10:08:58.061         requestID=QE2ZpDa/Btt5.153    sourceCommandID=0   executionID=113     txID=null modelName=Couchbase_small     translatorName=couchbase      sessionID=QE2ZpDa/Btt5        principal=user at teiid-security finalRowCount=50    cpuTime(ns)=1088787
> 10:08:58,069 INFO  [org.teiid.COMMAND_LOG] (Worker51_QueryProcessorQueue468) QE2ZpDa/Btt5           END USER COMMAND:   endTime=2017-08-25 10:08:58.069         requestID=QE2ZpDa/Btt5.153    txID=null sessionID=QE2ZpDa/Btt5        principal=user at teiid-security vdbName=couchbase   vdbVersion=1        finalRowCount=50
> {code}



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