Commit 01bfcfd2 authored by arjen@fred.bitbike.com's avatar arjen@fred.bitbike.com
Browse files

Documented server behaviour for out-of-range dates.

parent 3a83499e

Docs/manual.texi

+9 −0
Original line number Diff line number Diff line
@@ -29339,6 +29339,15 @@ interpreted as the year @code{'2010-11-12'}. The value @code{'10:45:15'} 
will be converted to @code{'0000-00-00'} because @code{'45'} is not a legal

month.













@item













The MySQL server only performs basic checking on the validity of a date:













days @code{00-31}, months @code{00-12}, years @code{1000-9999}.













Any date not within this range will revert to @code{0000-00-00}.













Please note that this still allows you to store invalid dates such as













@code{2002-04-31}. It allows web applications to store data from a form













without further checking. To ensure a date is valid, perform a check in













your application.



























@item















Year values specified as two digits are ambiguous, because the century is















unknown.  MySQL interprets 2-digit year values using the following