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Fix for ticket #107: Fix a design defect in indices that was causing queries

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to fail when using an index on a column containing an empty string.  This
fix is an incompatible file-format change. (CVS 681)

FossilOrigin-Name: 20d152fcddb4fa53556a9c93c7a869600a7c5183
This commit is contained in:
drh
2002-07-18 00:34:09 +00:00
parent 53e3fc70bf
commit 491791a827
12 changed files with 206 additions and 71 deletions
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5
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.138 2002/07/13 17:23:21 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.139 2002/07/18 00:34:12 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -187,7 +187,8 @@ typedef struct TriggerStack TriggerStack;
**
** file_format==1 Version 2.1.0.
** file_format==2 Version 2.2.0. Add support for INTEGER PRIMARY KEY.
** file_format==3 Version 2.6.0. Add support for separate numeric and
** file_format==3 Version 2.6.0. Fix empty-string index bug.
** file_format==4 Version 2.7.0. Add support for separate numeric and
** text datatypes.
*/
struct sqlite {