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https://issues.apache.org/jira/browse/HIVE-14282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385098#comment-15385098
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Thejas M Nair commented on HIVE-14282:
--------------------------------------
+1
> HCatLoader ToDate() exception with hive partition table ,partitioned by
> column of DATE datatype
> -----------------------------------------------------------------------------------------------
>
> Key: HIVE-14282
> URL: https://issues.apache.org/jira/browse/HIVE-14282
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Affects Versions: 1.2.1
> Environment: PIG Version : (0.15.0)
> HIVE : 1.2.1
> OS Version : CentOS release 6.7 (Final)
> OS Kernel : 2.6.32-573.18.1.el6.x86_64
> Reporter: Raghavender Rao Guruvannagari
> Assignee: Daniel Dai
> Fix For: 1.3.0, 2.2.0, 2.1.1
>
> Attachments: HIVE-14282.1.patch
>
>
> ToDate() function doesnt work with a partitioned table, partitioned by the
> column of DATE Datatype.
> Below are the steps I followed to recreate the problem.
> -->Sample input file to hive table :
> hdfs@testhost ~$ cat test.log
> 2012-06-13,16:11:17,574,140.134.127.109,SearchPage,Google.com,Win8,5,HTC
> 2012-06-13,16:11:17,466,43.176.108.158,Electronics,Google.com,Win8,3,iPhone
> 2012-06-13,16:11:17,501,97.73.102.79,Appliances,Google.com,Android,4,iPhone
> 2012-06-13,16:11:17,469,166.98.157.122,Recommendations,Google.com,Win8,5,HTC
> 2012-06-13,16:11:17,557,36.159.147.50,Sporting,Google.com,Win8,3,Samsung
> 2012-06-13,16:11:17,449,128.215.122.234,ShoppingCart,Google.com,Win8,5,HTC
> 2012-06-13,16:11:17,502,46.81.131.92,Electronics,Google.com,Android,5,Samsung
> 2012-06-13,16:11:17,554,120.187.105.127,Automotive,Google.com,Win8,5,HTC
> 2012-06-13,16:11:17,447,127.94.64.59,DetailPage,Google.com,Win8,3,Samsung
> 2012-06-13,16:11:17,490,132.54.25.75,ShoppingCart,Google.com,Win8,3,iPhone
> 2012-06-13,16:11:17,578,79.201.53.179,Automotive,Google.com,Win8,5,Samsung
> 2012-06-13,16:11:17,435,158.106.164.38,HomePage,Google.com,Web,5,Chrome
> 2012-06-13,16:11:17,523,17.131.82.171,Recommendations,Google.com,Web,3,IE9
> 2012-06-13,16:11:17,575,178.95.126.105,Appliances,Google.com,iOS,3,iPhone
> 2012-06-13,16:11:17,468,225.143.39.176,SearchPage,Google.com,iOS,5,HTC
> 2012-06-13,16:11:17,511,43.103.102.147,ShoppingCart,Google.com,iOS,5,Samsung
> --> Copied to hdfs directory:
> hdfs@testhost ~$ hdfs dfs -put -f test.log /user/hdfs/
> -->Create partitoned table (partitioned with date data type column) in hive:
> 0: jdbc:hive2://hdp2.raghav.com:10000/default> create table mytable(Dt
> DATE,Time STRING,Number INT,IPAddr STRING,Type STRING,Site STRING,OSType
> STRING,Visit INT,PhModel STRING) row format delimited fields terminated by
> ',' stored as textfile;
> 0: jdbc:hive2://testhost.com:10000/default> load data inpath
> '/user/hdfs/test.log' overwrite into table mytable;
> 0: jdbc:hive2://testhost..com:10000/default> SET hive.exec.dynamic.partition
> = true;
> 0: jdbc:hive2://testhost.com:10000/default> SET
> hive.exec.dynamic.partition.mode = nonstrict;
> 0: jdbc:hive2://testhost.com:10000/default> create table partmytable(Number
> INT,IPAddr STRING,Type STRING,Site STRING,OSType STRING,Visit INT,PhModel
> STRING) partitioned by (Dt DATE,Time STRING) row format delimited fields
> terminated by ',' stored as textfile;
> 0: jdbc:hive2://testhost.com:10000/default> insert overwrite table
> partmytable partition(Dt,Time) select
> Number,IPAddr,Type,Site,OSType,Visit,PhModel,Dt,Time from mytable;
> 0: jdbc:hive2://hdp2.raghav.com:10000/default> describe partmytable;
> --> Try to filter with ToDate function which fails with error:
> hdfs@testhost ~$ pig -useHCatalog
> grunt>
> grunt> temp = LOAD 'partmytable' using
> org.apache.hive.hcatalog.pig.HCatLoader();
> grunt> temp1 = FILTER temp by dt == ToDate('2012-06-13','yyyy-MM-dd');
> grunt> dump temp1;
> -->Try to filter the normal table with same statement works;
> grunt>
> grunt> temp = LOAD 'mytable' using org.apache.hive.hcatalog.pig.HCatLoader();
> grunt> temp1 = FILTER temp by dt == ToDate('2012-06-13','yyyy-MM-dd');
> grunt> dump temp1;
> Workaround :
> Use below statement instead of direct ToDate();
> grunt>temp1 = FILTER temp5 by DaysBetween(dt,(datetime)ToDate('2012-06-13',
> 'yyyy-MM-dd')) >=(long)0 AND DaysBetween(dt,(datetime)ToDate('2012-06-13',
> 'yyyy-MM-dd')) <=(long)0;
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