PostgreSQL and days that don't exist?












1















While updating data in my table i am getting below error.



 date/time field value out of range: "2017-2-29"


I want to skip this error and want update statement to continue further.



How can we do this with update statement.










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  • 5





    By not trying to store an invalid date?

    – a_horse_with_no_name
    Oct 30 '17 at 14:48











  • Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

    – RDFozz
    Oct 30 '17 at 17:12






  • 1





    Feb 29 is the date version of 1/0.

    – Evan Carroll
    Oct 30 '17 at 18:23






  • 1





    A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

    – Scott Marlowe
    Oct 30 '17 at 18:57
















1















While updating data in my table i am getting below error.



 date/time field value out of range: "2017-2-29"


I want to skip this error and want update statement to continue further.



How can we do this with update statement.










share|improve this question
















bumped to the homepage by Community 8 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.











  • 5





    By not trying to store an invalid date?

    – a_horse_with_no_name
    Oct 30 '17 at 14:48











  • Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

    – RDFozz
    Oct 30 '17 at 17:12






  • 1





    Feb 29 is the date version of 1/0.

    – Evan Carroll
    Oct 30 '17 at 18:23






  • 1





    A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

    – Scott Marlowe
    Oct 30 '17 at 18:57














1












1








1








While updating data in my table i am getting below error.



 date/time field value out of range: "2017-2-29"


I want to skip this error and want update statement to continue further.



How can we do this with update statement.










share|improve this question
















While updating data in my table i am getting below error.



 date/time field value out of range: "2017-2-29"


I want to skip this error and want update statement to continue further.



How can we do this with update statement.







postgresql update






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Oct 30 '17 at 18:21









Evan Carroll

32.9k1072225




32.9k1072225










asked Oct 30 '17 at 14:26









user2274074user2274074

15319




15319





bumped to the homepage by Community 8 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







bumped to the homepage by Community 8 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.










  • 5





    By not trying to store an invalid date?

    – a_horse_with_no_name
    Oct 30 '17 at 14:48











  • Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

    – RDFozz
    Oct 30 '17 at 17:12






  • 1





    Feb 29 is the date version of 1/0.

    – Evan Carroll
    Oct 30 '17 at 18:23






  • 1





    A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

    – Scott Marlowe
    Oct 30 '17 at 18:57














  • 5





    By not trying to store an invalid date?

    – a_horse_with_no_name
    Oct 30 '17 at 14:48











  • Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

    – RDFozz
    Oct 30 '17 at 17:12






  • 1





    Feb 29 is the date version of 1/0.

    – Evan Carroll
    Oct 30 '17 at 18:23






  • 1





    A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

    – Scott Marlowe
    Oct 30 '17 at 18:57








5




5





By not trying to store an invalid date?

– a_horse_with_no_name
Oct 30 '17 at 14:48





By not trying to store an invalid date?

– a_horse_with_no_name
Oct 30 '17 at 14:48













Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

– RDFozz
Oct 30 '17 at 17:12





Are you trying to find out if the UPDATE statement would generate other errors? In a dev/test environment, change the date to something valid (or NULL, if all else fails), or modify the statement not to update that column. However, the simplest solution is to figure out how to fix that bad data (either in the data you're bringing in, or in the update statement itself).

– RDFozz
Oct 30 '17 at 17:12




1




1





Feb 29 is the date version of 1/0.

– Evan Carroll
Oct 30 '17 at 18:23





Feb 29 is the date version of 1/0.

– Evan Carroll
Oct 30 '17 at 18:23




1




1





A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

– Scott Marlowe
Oct 30 '17 at 18:57





A general method here to clean data is to load it all into a generic load table with a bunch of text columns, and then find and fix / remove the bad rows. Then insert into the real table from the load table and drop the load table.

– Scott Marlowe
Oct 30 '17 at 18:57










1 Answer
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February has 28 days.



February in 2017 doesn't have 29 days. It has 28. End of story. If you need to store a 29th day, then your definition of date is different than PostgreSQL's and it will not be able to do date math or use date functions with your definition.



What is '2017-02-29'::date + interval '1 day' in your system though? February 30, March 1, or March 2? And, what would '2017-02-29'::date + interval '1 day' - interval '1 day' be?






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    0














    February has 28 days.



    February in 2017 doesn't have 29 days. It has 28. End of story. If you need to store a 29th day, then your definition of date is different than PostgreSQL's and it will not be able to do date math or use date functions with your definition.



    What is '2017-02-29'::date + interval '1 day' in your system though? February 30, March 1, or March 2? And, what would '2017-02-29'::date + interval '1 day' - interval '1 day' be?






    share|improve this answer




























      0














      February has 28 days.



      February in 2017 doesn't have 29 days. It has 28. End of story. If you need to store a 29th day, then your definition of date is different than PostgreSQL's and it will not be able to do date math or use date functions with your definition.



      What is '2017-02-29'::date + interval '1 day' in your system though? February 30, March 1, or March 2? And, what would '2017-02-29'::date + interval '1 day' - interval '1 day' be?






      share|improve this answer


























        0












        0








        0







        February has 28 days.



        February in 2017 doesn't have 29 days. It has 28. End of story. If you need to store a 29th day, then your definition of date is different than PostgreSQL's and it will not be able to do date math or use date functions with your definition.



        What is '2017-02-29'::date + interval '1 day' in your system though? February 30, March 1, or March 2? And, what would '2017-02-29'::date + interval '1 day' - interval '1 day' be?






        share|improve this answer













        February has 28 days.



        February in 2017 doesn't have 29 days. It has 28. End of story. If you need to store a 29th day, then your definition of date is different than PostgreSQL's and it will not be able to do date math or use date functions with your definition.



        What is '2017-02-29'::date + interval '1 day' in your system though? February 30, March 1, or March 2? And, what would '2017-02-29'::date + interval '1 day' - interval '1 day' be?







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Oct 30 '17 at 18:18









        Evan CarrollEvan Carroll

        32.9k1072225




        32.9k1072225






























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