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From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3006) Skip execution of queries with always false WHERE clauses
Date Sun, 06 May 2012 06:28:08 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269139#comment-13269139
] 

Carl Steinbach commented on HIVE-3006:
--------------------------------------

It's not a partitioned table:

{noformat}
hive> DESCRIBE FORMATTED src;
DESCRIBE FORMATTED src;
OK
# col_name            	data_type           	comment             
	 	 
key                 	string              	None                
value               	string              	None                
	 	 
# Detailed Table Information	 	 
Database:           	default             	 
Owner:              	carl                	 
CreateTime:         	Sat May 05 18:19:09 PDT 2012	 
LastAccessTime:     	UNKNOWN             	 
Protect Mode:       	None                	 
Retention:          	0                   	 
Location:           	file:/user/hive/warehouse/src	 
Table Type:         	MANAGED_TABLE       	 
Table Parameters:	 	 
	transient_lastDdlTime	1336267149          
	 	 
# Storage Information	 	 
SerDe Library:      	org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe	 
InputFormat:        	org.apache.hadoop.mapred.TextInputFormat	 
OutputFormat:       	org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat	 
Compressed:         	No                  	 
Num Buckets:        	-1                  	 
Bucket Columns:     	[]                  	 
Sort Columns:       	[]                  	 
Storage Desc Params:	 	 
	serialization.format	1                   
Time taken: 0.346 seconds
{noformat}

                
> Skip execution of queries with always false WHERE clauses
> ---------------------------------------------------------
>
>                 Key: HIVE-3006
>                 URL: https://issues.apache.org/jira/browse/HIVE-3006
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Carl Steinbach
>            Assignee: Shreepadma Venugopalan
>


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