[jira] [Work started] (HIVE-13287) Add logic to estimate stats for IN operator
[ https://issues.apache.org/jira/browse/HIVE-13287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-13287 started by Jesus Camacho Rodriguez. -- > Add logic to estimate stats for IN operator > --- > > Key: HIVE-13287 > URL: https://issues.apache.org/jira/browse/HIVE-13287 > Project: Hive > Issue Type: Bug > Components: Statistics >Affects Versions: 2.1.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-13287.01.patch, HIVE-13287.02.patch, > HIVE-13287.patch > > > Currently, IN operator is considered in the default case: reduces the input > rows to the half. This may lead to wrong estimates for the number of rows > produced by Filter operators. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-13287) Add logic to estimate stats for IN operator
[ https://issues.apache.org/jira/browse/HIVE-13287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-13287 started by Jesus Camacho Rodriguez. -- > Add logic to estimate stats for IN operator > --- > > Key: HIVE-13287 > URL: https://issues.apache.org/jira/browse/HIVE-13287 > Project: Hive > Issue Type: Bug > Components: Statistics >Affects Versions: 2.1.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-13287.01.patch, HIVE-13287.patch > > > Currently, IN operator is considered in the default case: reduces the input > rows to the half. This may lead to wrong estimates for the number of rows > produced by Filter operators. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-13287) Add logic to estimate stats for IN operator
[ https://issues.apache.org/jira/browse/HIVE-13287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-13287 started by Jesus Camacho Rodriguez. -- > Add logic to estimate stats for IN operator > --- > > Key: HIVE-13287 > URL: https://issues.apache.org/jira/browse/HIVE-13287 > Project: Hive > Issue Type: Bug > Components: Statistics >Affects Versions: 2.1.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-13287.patch > > > Currently, IN operator is considered in the default case: reduces the input > rows to the half. This may lead to wrong estimates for the number of rows > produced by Filter operators. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-13287) Add logic to estimate stats for IN operator
[ https://issues.apache.org/jira/browse/HIVE-13287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-13287 started by Jesus Camacho Rodriguez. -- > Add logic to estimate stats for IN operator > --- > > Key: HIVE-13287 > URL: https://issues.apache.org/jira/browse/HIVE-13287 > Project: Hive > Issue Type: Bug > Components: Statistics >Affects Versions: 2.1.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-13287.patch > > > Currently, IN operator is considered in the default case: reduces the input > rows to the half. This may lead to wrong estimates for the number of rows > produced by Filter operators. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
