[jira] [Updated] (HIVE-3236) allow column names to be prefixed by table alias in select all queries
[ https://issues.apache.org/jira/browse/HIVE-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Namit Jain updated HIVE-3236: - Status: Open (was: Patch Available) can you create a phabricator entry ? allow column names to be prefixed by table alias in select all queries -- Key: HIVE-3236 URL: https://issues.apache.org/jira/browse/HIVE-3236 Project: Hive Issue Type: Improvement Components: Query Processor Affects Versions: 0.10.0, 0.9.1 Reporter: Keegan Mosley Priority: Minor Attachments: HIVE-3236.1.patch.txt When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.\*, two.\* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HIVE-3236) allow column names to be prefixed by table alias in select all queries
[ https://issues.apache.org/jira/browse/HIVE-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ashutosh Chauhan updated HIVE-3236: --- Fix Version/s: (was: 0.10.0) allow column names to be prefixed by table alias in select all queries -- Key: HIVE-3236 URL: https://issues.apache.org/jira/browse/HIVE-3236 Project: Hive Issue Type: Improvement Components: Query Processor Affects Versions: 0.10.0, 0.9.1 Reporter: Keegan Mosley Priority: Minor Attachments: HIVE-3236.1.patch.txt When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.\*, two.\* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HIVE-3236) allow column names to be prefixed by table alias in select all queries
[ https://issues.apache.org/jira/browse/HIVE-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Keegan Mosley updated HIVE-3236: Description: When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.\*, two.\* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. was: When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.#42, two.#42 from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. allow column names to be prefixed by table alias in select all queries -- Key: HIVE-3236 URL: https://issues.apache.org/jira/browse/HIVE-3236 Project: Hive Issue Type: Improvement Components: Query Processor Affects Versions: 0.10.0, 0.9.1 Reporter: Keegan Mosley Priority: Minor Fix For: 0.10.0 Attachments: HIVE-3236.1.patch.txt When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.\*, two.\* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HIVE-3236) allow column names to be prefixed by table alias in select all queries
[ https://issues.apache.org/jira/browse/HIVE-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Keegan Mosley updated HIVE-3236: Attachment: HIVE-3236.1.patch.txt allow column names to be prefixed by table alias in select all queries -- Key: HIVE-3236 URL: https://issues.apache.org/jira/browse/HIVE-3236 Project: Hive Issue Type: Improvement Components: Query Processor Affects Versions: 0.10.0, 0.9.1 Reporter: Keegan Mosley Priority: Minor Fix For: 0.10.0 Attachments: HIVE-3236.1.patch.txt When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.*, two.* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HIVE-3236) allow column names to be prefixed by table alias in select all queries
[ https://issues.apache.org/jira/browse/HIVE-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Keegan Mosley updated HIVE-3236: Fix Version/s: 0.10.0 Status: Patch Available (was: Open) allow column names to be prefixed by table alias in select all queries -- Key: HIVE-3236 URL: https://issues.apache.org/jira/browse/HIVE-3236 Project: Hive Issue Type: Improvement Components: Query Processor Affects Versions: 0.10.0, 0.9.1 Reporter: Keegan Mosley Priority: Minor Fix For: 0.10.0 Attachments: HIVE-3236.1.patch.txt When using CREATE TABLE x AS SELECT ... where the select joins tables with hundreds of columns it is not a simple task to resolve duplicate column name exceptions (particularly with self-joins). The user must either manually specify aliases for all duplicate columns (potentially hundreds) or write a script to generate the data set in a separate select query, then create the table and load the data in. There should be some conf flag that would allow queries like create table joined as select one.*, two.* from mytable one join mytable two on (one.duplicate_field = two.duplicate_field1); to create a table with columns one_duplicate_field and two_duplicate_field. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
