Hi Aishwarya,
Is the date coming from Oracle coming out with a timezone?  It sounds to me 
like the issue is a case of mismatched timezones and we just have to sort that 
out.
— C

> On May 27, 2021, at 9:43 AM, luoc <l...@apache.org> wrote:
> 
> 
> Hi Aishwarya,
>  Could you please post the query text for your 6th attempt?
> 
>> 在 2021年5月27日,11:59,arul....@wipro.com.invalid 写道:
>> 
>> Hello,
>> 
>> Problem Statement:
>> I have a requirement where I need to compare data from oracle and snowflake 
>> tables. I am using Apache Drill 1.17.0 for this.
>> My tables have DATE column and the value from snowflake table is showing 
>> previous day’s date. For example, if my actual value is ‘2021-05-20’, Apache 
>> Drill returns ‘2021-05-19’ from snowflake.
>> 
>> Fixes tried:
>> ·       CONVERT_TO(date_column,’UTF8’) – Gives previous date
>> ·       CAST(date_column AS VARCHAR(10)) - Gives previous date
>> ·       TO_CHAR(date_column) - Gives previous date
>> ·       Converting to different timezone or UTC format doesn’t work in 
>> Apache Drill. Workaround given in Apache Drill documentation for this 
>> timezone limitation did not make difference. Reference - 
>> http://drill.apache.org/docs/data-type-conversion/#time-zone-limitation
>> ·       Altered timezone of snowflake and then inserted data into table, 
>> still Apache Drill gives previous date
>> ·       CAST(date_column AS TIMESTAMP) – Gives correct date when queried 
>> separately on snowflake table, but gives previous date when I join this 
>> table to my corresponding oracle table for validation
>> 
>> Please help me out with solution for this issue and revert if any more 
>> details required. Thanks in advance!
>> 
>> 
>> 
>> Regards,
>> Aishwarya
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