[jira] [Updated] (SPARK-26354) Ability to return schema prefix before dataframe column names
[ https://issues.apache.org/jira/browse/SPARK-26354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dongjoon Hyun updated SPARK-26354: -- Affects Version/s: (was: 3.0.0) 3.1.0 > Ability to return schema prefix before dataframe column names > - > > Key: SPARK-26354 > URL: https://issues.apache.org/jira/browse/SPARK-26354 > Project: Spark > Issue Type: New Feature > Components: SQL >Affects Versions: 3.1.0 >Reporter: t oo >Priority: Major > > This query returns dataframe with prdct, prdct, addr, pho : > select a.prdct, b.prdct, a.addr, b.pho from ac a > full outer join baa b on a.prdct = b.prdct > > This feature Jira is about having a new config flag (defaulted to false) that > would be show.schema.prefix. When true it should return dataframe for above > example of a.prdct, b.prdct, a.addr, b.pho. This would help to clearly > distinguish origin of the columns with same name in >=2 tables without having > to rewrite query to put specific alias ie as a_prdct or as b_prdct. My > current use case is loading dataframe into List of Maps in java but it is > only taking the first prdct column rather than both prdct columns > -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-26354) Ability to return schema prefix before dataframe column names
[ https://issues.apache.org/jira/browse/SPARK-26354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dongjoon Hyun updated SPARK-26354: -- Affects Version/s: (was: 2.4.0) 3.0.0 > Ability to return schema prefix before dataframe column names > - > > Key: SPARK-26354 > URL: https://issues.apache.org/jira/browse/SPARK-26354 > Project: Spark > Issue Type: New Feature > Components: SQL >Affects Versions: 3.0.0 >Reporter: t oo >Priority: Major > > This query returns dataframe with prdct, prdct, addr, pho : > select a.prdct, b.prdct, a.addr, b.pho from ac a > full outer join baa b on a.prdct = b.prdct > > This feature Jira is about having a new config flag (defaulted to false) that > would be show.schema.prefix. When true it should return dataframe for above > example of a.prdct, b.prdct, a.addr, b.pho. This would help to clearly > distinguish origin of the columns with same name in >=2 tables without having > to rewrite query to put specific alias ie as a_prdct or as b_prdct. My > current use case is loading dataframe into List of Maps in java but it is > only taking the first prdct column rather than both prdct columns > -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
