[jira] [Work started] (HIVE-14021) When converting to CNF, fail if the expression exceeds a threshold
[ https://issues.apache.org/jira/browse/HIVE-14021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-14021 started by Jesus Camacho Rodriguez. -- > When converting to CNF, fail if the expression exceeds a threshold > -- > > Key: HIVE-14021 > URL: https://issues.apache.org/jira/browse/HIVE-14021 > Project: Hive > Issue Type: Improvement > Components: CBO >Affects Versions: 2.1.0, 2.2.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez >Priority: Minor > Attachments: HIVE-14021.1.patch, HIVE-14021.2.patch, HIVE-14021.patch > > > When converting to conjunctive normal form (CNF), fail if the expression > exceeds a threshold. CNF can explode exponentially in the size of the input > expression, but rarely does so in practice. Add a maxNodeCount parameter to > RexUtil.toCnf and throw or return null if it is exceeded. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-14021) When converting to CNF, fail if the expression exceeds a threshold
[ https://issues.apache.org/jira/browse/HIVE-14021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-14021 started by Jesus Camacho Rodriguez. -- > When converting to CNF, fail if the expression exceeds a threshold > -- > > Key: HIVE-14021 > URL: https://issues.apache.org/jira/browse/HIVE-14021 > Project: Hive > Issue Type: Improvement > Components: CBO >Affects Versions: 2.1.0, 2.2.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez >Priority: Minor > Attachments: HIVE-14021.1.patch, HIVE-14021.patch > > > When converting to conjunctive normal form (CNF), fail if the expression > exceeds a threshold. CNF can explode exponentially in the size of the input > expression, but rarely does so in practice. Add a maxNodeCount parameter to > RexUtil.toCnf and throw or return null if it is exceeded. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-14021) When converting to CNF, fail if the expression exceeds a threshold
[ https://issues.apache.org/jira/browse/HIVE-14021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-14021 started by Jesus Camacho Rodriguez. -- > When converting to CNF, fail if the expression exceeds a threshold > -- > > Key: HIVE-14021 > URL: https://issues.apache.org/jira/browse/HIVE-14021 > Project: Hive > Issue Type: Improvement > Components: CBO >Affects Versions: 2.1.0, 2.2.0 >Reporter: Jesus Camacho Rodriguez >Assignee: Jesus Camacho Rodriguez >Priority: Minor > Attachments: HIVE-14021.patch > > > When converting to conjunctive normal form (CNF), fail if the expression > exceeds a threshold. CNF can explode exponentially in the size of the input > expression, but rarely does so in practice. Add a maxNodeCount parameter to > RexUtil.toCnf and throw or return null if it is exceeded. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
