[jira] [Assigned] (HIVE-13204) Vectorization: Add ChainedCheckerFactory for LIKE
[ https://issues.apache.org/jira/browse/HIVE-13204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gopal V reassigned HIVE-13204: -- Assignee: Gopal V > Vectorization: Add ChainedCheckerFactory for LIKE > -- > > Key: HIVE-13204 > URL: https://issues.apache.org/jira/browse/HIVE-13204 > Project: Hive > Issue Type: Improvement > Components: Vectorization >Affects Versions: 2.1.0 >Reporter: Gopal V >Assignee: Gopal V > Attachments: regex-cpu-like.png > > > Currently, Vectorization runs through a UTF-8 decode to produce a String & > then check for mildly complex patterns like "http://%.exe; using a Regex. > Since this pattern doesn't need any backtracking patterns, using a full > fledged Regex is too expensive. > !regex-cpu-like.png! -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Assigned] (HIVE-13204) Vectorization: Add ChainedCheckerFactory for LIKE
[ https://issues.apache.org/jira/browse/HIVE-13204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] VISHNU S NAIR reassigned HIVE-13204: Assignee: VISHNU S NAIR (was: Gopal V) > Vectorization: Add ChainedCheckerFactory for LIKE > -- > > Key: HIVE-13204 > URL: https://issues.apache.org/jira/browse/HIVE-13204 > Project: Hive > Issue Type: Improvement > Components: Vectorization >Affects Versions: 2.1.0 >Reporter: Gopal V >Assignee: VISHNU S NAIR > Attachments: regex-cpu-like.png > > > Currently, Vectorization runs through a UTF-8 decode to produce a String & > then check for mildly complex patterns like "http://%.exe; using a Regex. > Since this pattern doesn't need any backtracking patterns, using a full > fledged Regex is too expensive. > !regex-cpu-like.png! -- This message was sent by Atlassian JIRA (v6.3.4#6332)
