diff options
| author | Igor Babaev <igor@askmonty.org> | 2009-10-16 15:57:48 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2009-10-16 15:57:48 -0700 |
| commit | f7a75b999b4b0e51c647fa19df35db517e0b6721 (patch) | |
| tree | 0852514919a2ab6af19814df4842b52a7ecd3b57 /sql/unireg.h | |
| parent | 8ea19fa73e86a3c27917a92affd6a9e43763c7ce (diff) | |
| download | mariadb-git-f7a75b999b4b0e51c647fa19df35db517e0b6721.tar.gz | |
The main commit of Andrey Zhakov's patch introducing vurtual(computed) columns.
The original patch has been ameliorated by Sanja and Igor.
Diffstat (limited to 'sql/unireg.h')
| -rw-r--r-- | sql/unireg.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/unireg.h b/sql/unireg.h index 4fbde3b8631..ec4ecf6a10f 100644 --- a/sql/unireg.h +++ b/sql/unireg.h @@ -212,6 +212,13 @@ #define DEFAULT_KEY_CACHE_NAME "default" +/* The length of the header part for each virtual column in the .frm file */ +#define FRM_VCOL_HEADER_SIZE 3 + +/* Maximum length of the defining expression for a virtual columns */ +#define VIRTUAL_COLUMN_EXPRESSION_MAXLEN 255 - FRM_VCOL_HEADER_SIZE + + /* Include prototypes for unireg */ #include "mysqld_error.h" |