jdbc - Oracle to_timestamp produces error -


i trying value of time-stamp column using jdbc driver. following query works charm :

to_char(update_date,'yyyy-mm-dd hh24:mi:ss.ff9 tzr') update_date

however, instead of to_char, need timestamp values , if use following query in select statemnt, gives

ota-01821-date format not recognized

error. please can help?

to_timestamp(update_date,'yyyy-mm-dd hh24:mi:ss.ff9 tzr') update_date

the immediate cause of error tzr part of format mask, isn't valid plain timestamp. either convert timestamp with time zone with different function:

to_timestamp_tz(update_date,'yyyy-mm-dd hh24:mi:ss.ff9 tzr')

or omit time zone:

to_timestamp(update_date,'yyyy-mm-dd hh24:mi:ss.ff9')

but uodate_date timestamp (with [local] time zone), implicitly converting string using your session's nls_timestamp_tz_format setting, before explicitly converting string timestamp (with or without time zone).

at best pointless, if nls setting doesn't match explicit format use give different error or incorrect results.

if want timestamp value java don't conversion - select original update_date column, , use jdbc gettimestamp() retrieve it.


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