HowTo validate a date/timestamp column
Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 9.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 26-03-2012***
Goal of this document is to validate all date/timestamp values of a specific column in specific table
(check will be done on partial content of timestamp: up till the second part of the timestamp value (a timestamp value will always contain a value up till the second part but can be longer))
Problem in question was hitting an ora-1877 while no information was shown which row/column was the cause of the error. Using an event on the error(errorstack on 1877) did not write a useful tracefile from which the row could be identified (only trace header information).
Further checking made clear that a timestamp column was the cause of the ora-1877, but it was impossible to find the exact rowid (next rowid after last rowid as shown at failure was not the row causing the ora-1877: SQL> select rowid,<column_name> from <table_name>).
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