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[SPARK-21784] Add ALTER TABLE ADD CONSTRANT DDL to support defining primary key and foreign keys - Spark - [issue]
...Currently Spark SQL does not have  DDL support to define primary key , and foreign key constraints. This Jira is to add DDL support to define primary key and foreign key informational c...
http://issues.apache.org/jira/browse/SPARK-21784    Author: Suresh Thalamati , 2020-07-28, 12:47
[SPARK-21824] DROP TABLE should  automatically  drop any dependent referential constraints or raise error. - Spark - [issue]
...DROP TABLE should  raise error if there are any  dependent referential constraints  unless user specifies CASCADE CONSTRAINTSSyntax :DROP TABLE <name> [CASCADE CONSTRAIN...
http://issues.apache.org/jira/browse/SPARK-21824    Author: Suresh Thalamati , 2020-03-29, 02:36
[SPARK-21823] ALTER TABLE table statements  such as RENAME and CHANGE columns should  raise  error if there are any dependent constraints. - Spark - [issue]
...Following ALTER TABLE DDL statements will impact  the  informational constraints defined on a table:ALTER TABLE name RENAME TO new_nameALTER TABLE name CHANGE column_name new_name ...
http://issues.apache.org/jira/browse/SPARK-21823    Author: Suresh Thalamati , 2020-03-29, 02:36
[SPARK-10849] Allow user to specify database column type for data frame fields when writing data to jdbc data sources. - Spark - [issue]
...Mapping data frame field type to database column type is addressed to large  extent by  adding dialects, and Adding  maxlength option in SPARK-10101 to set the  VARCHAR l...
http://issues.apache.org/jira/browse/SPARK-10849    Author: Suresh Thalamati , 2019-11-18, 08:43
welcome a new batch of committers - Spark - [mail # dev]
...Congratulations to all!-sureshOn Wed, Oct 3, 2018 at 1:59 AM Reynold Xin  wrote:> Hi all,>> The Apache Spark PMC has recently voted to add several new committers to> the pro...
   Author: Suresh Thalamati , 2018-10-05, 21:37
[SPARK-15125] CSV data source recognizes empty quoted strings in the input as null. - Spark - [issue]
...CSV data source does not differentiate between empty quoted strings and empty fields  as null. In some scenarios user would want  to differentiate between these values,  espec...
http://issues.apache.org/jira/browse/SPARK-15125    Author: Suresh Thalamati , 2018-05-25, 19:51
Welcoming Tejas Patil as a Spark committer - Spark - [mail # dev]
...Congratulations , Tejas!-suresh> On Sep 29, 2017, at 12:58 PM, Matei Zaharia  wrote:> > Hi all,> > The Spark PMC recently added Tejas Patil as a committer on the> proj...
   Author: Suresh Thalamati , 2017-10-03, 19:01
Continue reading dataframe from file despite errors - Spark - [mail # user]
...Try the CSV   Option(“mode”,  "dropmalformed”), that might skip the error records. > On Sep 12, 2017, at 2:33 PM, jeff saremi  wrote:> > should have added some of the...
   Author: Suresh Thalamati , 2017-09-12, 21:59
[VOTE] [SPIP] SPARK-15689: Data Source API V2 read path - Spark - [mail # dev]
...+1 (non-binding)> On Sep 6, 2017, at 7:29 PM, Wenchen Fan  wrote:> > Hi all,> > In the previous discussion, we decided to split the read and write path of data source v2 ...
   Author: Suresh Thalamati , 2017-09-07, 05:57
Welcoming Saisai (Jerry) Shao as a committer - Spark - [mail # dev]
...Congratulations, Jerry> On Aug 28, 2017, at 6:28 PM, Matei Zaharia  wrote:> > Hi everyone,> > The PMC recently voted to add Saisai (Jerry) Shao as a committer. Saisai has...
   Author: Suresh Thalamati , 2017-08-29, 05:14