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Diffstat (limited to 'Docs/manual.texi')
| -rw-r--r-- | Docs/manual.texi | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi index da18aa1ca5c..e73ed09ef37 100644 --- a/Docs/manual.texi +++ b/Docs/manual.texi @@ -9958,6 +9958,13 @@ CC=fcc CFLAGS="-O -K fast -K lib -K omitfp -Kpreex -D_GNU_SOURCE -DCONST=const - MySQL needs at least Linux Version 2.0. +@strong{WARNING}: +We have have reports from some MySQL users that they have got serious +stability problems with MySQL with Linux kernel 2.2.14. If you are +using this kernel you should upgrade to 2.2.19 (or newer) or to a 2.4 +kernel. If you have a multi-cpu box, then you should seriously consider +using 2.4 as this will give you a significant speed boost. + The binary release is linked with @code{-static}, which means you do not normally need to worry about which version of the system libraries you have. You need not install LinuxThreads, either. A program linked with @@ -28091,6 +28098,9 @@ You can always store an exact integer value in a @code{BIGINT} column by storing it as a string, as there is in this case there will be no intermediate double representation. @item +In MySQL 4.0 you can use integers to store big unsigned values in a +@code{BIGINT} string. +@item @samp{-}, @samp{+}, and @samp{*} will use @code{BIGINT} arithmetic when both arguments are @code{INTEGER} values! This means that if you multiply two big integers (or results from functions that return @@ -29151,7 +29161,9 @@ certain circumstances: @item If you insert an invalid value into an @code{ENUM} (that is, a string not present in the list of allowed values), the empty string is inserted -instead as a special error value. +instead as a special error value. This string can be distinguished from a +'normal' empty string by the fact that this string has the numerical value +0. More about this later. @item If an @code{ENUM} is declared @code{NULL}, @code{NULL} is also a legal value @@ -46933,6 +46945,8 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}. @itemize @bullet @item +Fixed handling of big unsigned bigint constants. +@item New character set @code{latin_de} which provides correct German sorting. @item @code{TRUNCATE TABLE} and @code{DELETE FROM table_name} are now separate |