Hi Shankar, On Thu, Oct 1, 2015 at 9:54 PM, Selvaratnam Uthaiyashankar <shan...@wso2.com > wrote:
> Is this support (fraction of second) there in other RDBMS (Oracle, MSSQL, > etc?). If it is only Mysql 5.6.4 +, then we shouldn't use IMO. If this > support is there in all other RDBMS, then it should be ok. > > I checked with Oracle, MSSQL, PostgreSQL, Informix and DB2. All support for fraction of seconds. Thanks, Ishara [1] http://docs.oracle.com/cd/B19306_01/server.102/b14200/sql_elements001.htm#i54330 [2] https://msdn.microsoft.com/en-us/library/ms187819.aspx [3] http://www.postgresql.org/docs/9.1/static/datatype-datetime.html [4] https://www-01.ibm.com/support/knowledgecenter/SSGU8G_12.1.0/com.ibm.sqlr.doc/ids_sqr_110.htm [5] https://www-304.ibm.com/support/knowledgecenter/SSEPEK_10.0.0/com.ibm.db2z10.doc.intro/src/tpc/db2z_datetimetimestamp.dita > On Thu, Oct 1, 2015 at 9:40 PM, Ishara Karunarathna <isha...@wso2.com> > wrote: > >> Hi Shankar, >> >> On Thu, Oct 1, 2015 at 7:45 PM, Selvaratnam Uthaiyashankar < >> shan...@wso2.com> wrote: >> >>> Normally, we should keep the compatibility with older versions. >>> >>> Is there any specific reason why you need upto microsecond precision for >>> the timestamp? >>> >> by default mysql support for seconds. >> In Identity server we started to persist session date with its updated >> timestamp. And retrieve the latest data object related to >> given session. >> If it's only supported for seconds we get duplicate entries. In that case >> we have to go for fractional seconds in timestamp >> or will have to store it in another data type. >> >> Thanks, >> Ishara >> >>> >>> On Wed, Sep 30, 2015 at 10:35 PM, Ishara Karunarathna <isha...@wso2.com> >>> wrote: >>> >>>> Hi all, >>>> >>>> For example In mysql version 5.6.4 (released on February 5, 2013 ) >>>> onwards [1] it support for >>>> fractional seconds for TIMESTAMP values, with up to microseconds (6 >>>> digits) >>>> >>>> But if we write scripts to get that features it won't work with older >>>> versions. >>>> So can we write scripts to work only with mysql version 5.6.4 and >>>> latest or should we support for old versions ?. >>>> >>>> Thanks, >>>> Ishara >>>> >>>> [1] >>>> http://dev.mysql.com/doc/refman/5.6/en/mysql-nutshell.html#mysql-nutshell-additions >>>> -- >>>> Ishara Karunarathna >>>> Senior Software Engineer >>>> WSO2 Inc. - lean . enterprise . middleware | wso2.com >>>> >>>> email: isha...@wso2.com, blog: isharaaruna.blogspot.com, mobile: >>>> +94717996791 >>>> >>> >>> >>> >>> -- >>> S.Uthaiyashankar >>> VP Engineering >>> WSO2 Inc. >>> http://wso2.com/ - "lean . enterprise . middleware" >>> >>> Phone: +94 714897591 >>> >> >> >> >> -- >> Ishara Karunarathna >> Senior Software Engineer >> WSO2 Inc. - lean . enterprise . middleware | wso2.com >> >> email: isha...@wso2.com, blog: isharaaruna.blogspot.com, mobile: >> +94717996791 >> > > > > -- > S.Uthaiyashankar > VP Engineering > WSO2 Inc. > http://wso2.com/ - "lean . enterprise . middleware" > > Phone: +94 714897591 > -- Ishara Karunarathna Senior Software Engineer WSO2 Inc. - lean . enterprise . middleware | wso2.com email: isha...@wso2.com, blog: isharaaruna.blogspot.com, mobile: +94717996791
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