[ https://issues.apache.org/jira/browse/HIVE-15229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simanchal Das updated HIVE-15229: --------------------------------- Status: Patch Available (was: Open) > 'like any' and 'like all' operators in hive > ------------------------------------------- > > Key: HIVE-15229 > URL: https://issues.apache.org/jira/browse/HIVE-15229 > Project: Hive > Issue Type: New Feature > Components: Operators > Reporter: Simanchal Das > Assignee: Simanchal Das > Priority: Minor > Attachments: HIVE-15229.1.patch, HIVE-15229.2.patch > > > In Teradata 'like any' and 'like all' operators are mostly used when we are > matching a text field with numbers of patterns. > 'like any' and 'like all' operator are equivalents of multiple like operator > like example below. > {noformat} > --like any > select col1 from table1 where col2 like any ('%accountant%', '%accounting%', > '%retail%', '%bank%', '%insurance%'); > --Can be written using multiple like condition > select col1 from table1 where col2 like '%accountant%' or col2 like > '%accounting%' or col2 like '%retail%' or col2 like '%bank%' or col2 like > '%insurance%' ; > --like all > select col1 from table1 where col2 like all ('%accountant%', '%accounting%', > '%retail%', '%bank%', '%insurance%'); > --Can be written using multiple like operator > select col1 from table1 where col2 like '%accountant%' and col2 like > '%accounting%' and col2 like '%retail%' and col2 like '%bank%' and col2 like > '%insurance%' ; > {noformat} > Problem statement: > Now a days so many data warehouse projects are being migrated from Teradata > to Hive. > Always Data engineer and Business analyst are searching for these two > operator. > If we introduce these two operator in hive then so many scripts will be > migrated smoothly instead of converting these operators to multiple like > operators. -- This message was sent by Atlassian JIRA (v6.3.4#6332)