How to use IFNULL function in hive?












0















As we all know ,we can use ifnull function in mysql,but there is no ifnull function in hive ,so how can we use some other function to substitute it










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  • 4





    Possible duplicate of What is the replacement of NULLIF in Hive?

    – Wayne Phipps
    Nov 23 '18 at 9:38
















0















As we all know ,we can use ifnull function in mysql,but there is no ifnull function in hive ,so how can we use some other function to substitute it










share|improve this question


















  • 4





    Possible duplicate of What is the replacement of NULLIF in Hive?

    – Wayne Phipps
    Nov 23 '18 at 9:38














0












0








0








As we all know ,we can use ifnull function in mysql,but there is no ifnull function in hive ,so how can we use some other function to substitute it










share|improve this question














As we all know ,we can use ifnull function in mysql,but there is no ifnull function in hive ,so how can we use some other function to substitute it







hiveql






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asked Nov 23 '18 at 9:34









RoyTaoRoyTao

162




162








  • 4





    Possible duplicate of What is the replacement of NULLIF in Hive?

    – Wayne Phipps
    Nov 23 '18 at 9:38














  • 4





    Possible duplicate of What is the replacement of NULLIF in Hive?

    – Wayne Phipps
    Nov 23 '18 at 9:38








4




4





Possible duplicate of What is the replacement of NULLIF in Hive?

– Wayne Phipps
Nov 23 '18 at 9:38





Possible duplicate of What is the replacement of NULLIF in Hive?

– Wayne Phipps
Nov 23 '18 at 9:38












2 Answers
2






active

oldest

votes


















0














NULLIF is available in Hive(2.3.0) version on wards.



Search NULLIF in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF link.






share|improve this answer
























  • OK thank you, I will try

    – RoyTao
    Nov 26 '18 at 2:08











  • If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

    – saravanatn
    Nov 26 '18 at 2:12



















0














You can use the COALESCE or nvl function.



Source -> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.



Search for "Conditional Functions" and you will find all of the function definitions in that section.






share|improve this answer
























  • OK,thanks for your help ,I will try

    – RoyTao
    Nov 26 '18 at 2:09











  • Can you upvote my answer if it helped you? Thanks.

    – mrbobjrsrv
    Dec 2 '18 at 3:09











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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









0














NULLIF is available in Hive(2.3.0) version on wards.



Search NULLIF in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF link.






share|improve this answer
























  • OK thank you, I will try

    – RoyTao
    Nov 26 '18 at 2:08











  • If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

    – saravanatn
    Nov 26 '18 at 2:12
















0














NULLIF is available in Hive(2.3.0) version on wards.



Search NULLIF in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF link.






share|improve this answer
























  • OK thank you, I will try

    – RoyTao
    Nov 26 '18 at 2:08











  • If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

    – saravanatn
    Nov 26 '18 at 2:12














0












0








0







NULLIF is available in Hive(2.3.0) version on wards.



Search NULLIF in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF link.






share|improve this answer













NULLIF is available in Hive(2.3.0) version on wards.



Search NULLIF in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF link.







share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 23 '18 at 9:50









saravanatnsaravanatn

43627




43627













  • OK thank you, I will try

    – RoyTao
    Nov 26 '18 at 2:08











  • If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

    – saravanatn
    Nov 26 '18 at 2:12



















  • OK thank you, I will try

    – RoyTao
    Nov 26 '18 at 2:08











  • If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

    – saravanatn
    Nov 26 '18 at 2:12

















OK thank you, I will try

– RoyTao
Nov 26 '18 at 2:08





OK thank you, I will try

– RoyTao
Nov 26 '18 at 2:08













If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

– saravanatn
Nov 26 '18 at 2:12





If you find it useful.Kindly Mark it as answer. I am not saying about my solution but any solution which is useful so that others benefit from it.

– saravanatn
Nov 26 '18 at 2:12













0














You can use the COALESCE or nvl function.



Source -> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.



Search for "Conditional Functions" and you will find all of the function definitions in that section.






share|improve this answer
























  • OK,thanks for your help ,I will try

    – RoyTao
    Nov 26 '18 at 2:09











  • Can you upvote my answer if it helped you? Thanks.

    – mrbobjrsrv
    Dec 2 '18 at 3:09
















0














You can use the COALESCE or nvl function.



Source -> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.



Search for "Conditional Functions" and you will find all of the function definitions in that section.






share|improve this answer
























  • OK,thanks for your help ,I will try

    – RoyTao
    Nov 26 '18 at 2:09











  • Can you upvote my answer if it helped you? Thanks.

    – mrbobjrsrv
    Dec 2 '18 at 3:09














0












0








0







You can use the COALESCE or nvl function.



Source -> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.



Search for "Conditional Functions" and you will find all of the function definitions in that section.






share|improve this answer













You can use the COALESCE or nvl function.



Source -> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.



Search for "Conditional Functions" and you will find all of the function definitions in that section.







share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 25 '18 at 20:48









mrbobjrsrvmrbobjrsrv

56111




56111













  • OK,thanks for your help ,I will try

    – RoyTao
    Nov 26 '18 at 2:09











  • Can you upvote my answer if it helped you? Thanks.

    – mrbobjrsrv
    Dec 2 '18 at 3:09



















  • OK,thanks for your help ,I will try

    – RoyTao
    Nov 26 '18 at 2:09











  • Can you upvote my answer if it helped you? Thanks.

    – mrbobjrsrv
    Dec 2 '18 at 3:09

















OK,thanks for your help ,I will try

– RoyTao
Nov 26 '18 at 2:09





OK,thanks for your help ,I will try

– RoyTao
Nov 26 '18 at 2:09













Can you upvote my answer if it helped you? Thanks.

– mrbobjrsrv
Dec 2 '18 at 3:09





Can you upvote my answer if it helped you? Thanks.

– mrbobjrsrv
Dec 2 '18 at 3:09


















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