[jira] [Commented] (HIVE-11611) A bad performance regression issue with Parquet happens if Hive does not select any columns

[ https://issues.apache.org/jira/browse/HIVE-11611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14706312#comment-14706312 ] Cheng Lian commented on HIVE-11611: --- PARQUET-363 provided more background and details

[jira] [Updated] (HIVE-11625) Map instances with null keys are not properly handled for Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cheng Lian updated HIVE-11625: -- Description: Hive allows maps with null keys: {code:sql} hive select map(null, 'foo', 1, 'bar', null,

[jira] [Commented] (HIVE-11625) Map instances with null keys are not properly handled for Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14709076#comment-14709076 ] Cheng Lian commented on HIVE-11625: --- Sorry, according to the following statements in

[jira] [Commented] (HIVE-11625) Map instances with null keys are not properly handled for Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14709081#comment-14709081 ] Cheng Lian commented on HIVE-11625: --- Updated ticket description according to my comment

[jira] [Commented] (HIVE-11625) Map instances with null keys are not written to Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14708885#comment-14708885 ] Cheng Lian commented on HIVE-11625: --- I meant to open this issue as a Parquet bug, but it

[jira] [Updated] (HIVE-11625) Map instances with null keys are not properly handled for Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cheng Lian updated HIVE-11625: -- Summary: Map instances with null keys are not properly handled for Parquet tables (was: Map instances

[jira] [Updated] (HIVE-11625) Map instances with null keys are not written to Parquet tables

[ https://issues.apache.org/jira/browse/HIVE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cheng Lian updated HIVE-11625: -- Description: Hive allows maps with null keys: {code:sql} hive select map(null, 'foo', 1, 'bar', null,

[jira] [Commented] (HIVE-6394) Implement Timestmap in ParquetSerde

[ https://issues.apache.org/jira/browse/HIVE-6394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14711046#comment-14711046 ] Cheng Lian commented on HIVE-6394: -- While testing Spark SQL 1.5-SNAPSHOT for Parquet/Hive

[jira] [Commented] (HIVE-14294) HiveSchemaConverter for Parquet doesn't translate TINYINT and SMALLINT into proper Parquet types

[ https://issues.apache.org/jira/browse/HIVE-14294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15385452#comment-15385452 ] Cheng Lian commented on HIVE-14294: --- Hit this issue while investigating SPARK-16632. >

[jira] [Commented] (HIVE-11611) A bad performance regression issue with Parquet happens if Hive does not select any columns

[ https://issues.apache.org/jira/browse/HIVE-11611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15813452#comment-15813452 ] Cheng Lian commented on HIVE-11611: --- While trying to fix a similar issue without upgrading Parquet in