diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index e124031eb..cd831f07d 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -11,7 +11,7 @@ ************************************************************************* ** Internal interface definitions for SQLite. ** -** @(#) $Id: sqliteInt.h,v 1.689 2008/04/05 18:41:43 drh Exp $ +** @(#) $Id: sqliteInt.h,v 1.690 2008/04/10 13:33:18 drh Exp $ */ #ifndef _SQLITEINT_H_ #define _SQLITEINT_H_ @@ -1311,9 +1311,13 @@ struct WhereLevel { sqlite3_index_info *pIdxInfo; /* Index info for n-th source table */ }; -#define ORDERBY_NORMAL 0 -#define ORDERBY_MIN 1 -#define ORDERBY_MAX 2 +/* +** Flags appropriate for the wflags parameter of sqlite3WhereBegin(). +*/ +#define WHERE_ORDERBY_NORMAL 0 /* No-op */ +#define WHERE_ORDERBY_MIN 1 /* ORDER BY processing for min() func */ +#define WHERE_ORDERBY_MAX 2 /* ORDER BY processing for max() func */ +#define WHERE_ONEPASS_DESIRED 4 /* Want to do one-pass UPDATE/DELETE */ /* ** The WHERE clause processing routine has two halves. The @@ -1323,7 +1327,8 @@ struct WhereLevel { ** into the second half to give some continuity. */ struct WhereInfo { - Parse *pParse; + Parse *pParse; /* Parsing and code generating context */ + u8 okOnePass; /* Ok to use one-pass algorithm for UPDATE or DELETE */ SrcList *pTabList; /* List of tables in the join */ int iTop; /* The very beginning of the WHERE loop */ int iContinue; /* Jump here to continue with next record */ |