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Extend the Rowset object to contain all the capabilities of Rowhash in

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addition to its legacy capabilities.  Use Rowset to replace Rowhash.
In addition to requiring less code, This removes the 2^32 result row
limitation, uses less memory, and gives better bounds on worst-case
performance.  The Rowhash implementation has yet to be removed. (CVS 6534)

FossilOrigin-Name: b101cf70b75c9772aaf50e0eadd0cfa37c84d193
This commit is contained in:
drh
2009-04-22 00:47:00 +00:00
parent dcc1f44020
commit 733bf1b1e2
6 changed files with 271 additions and 78 deletions
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3
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.856 2009/04/21 16:15:15 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.857 2009/04/22 00:47:01 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -2400,6 +2400,7 @@ int sqlite3BitvecBuiltinTest(int,int*);
RowSet *sqlite3RowSetInit(sqlite3*, void*, unsigned int);
void sqlite3RowSetClear(RowSet*);
void sqlite3RowSetInsert(RowSet*, i64);
int sqlite3RowSetTest(RowSet*, u8 iBatch, i64);
int sqlite3RowSetNext(RowSet*, i64*);
int sqlite3RowhashInsert(sqlite3*, RowHash **pp, i64 iVal);