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Slightly faster INSERTs from a SELECT by avoiding an intermediate table.

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But it didn't make nearly as much difference as I had hoped. (CVS 732)

FossilOrigin-Name: 723362e74f79c784314d042e3a8c8a9bf07cbd5e
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drh
2002-08-28 03:00:58 +00:00
parent 66105a8ea0
commit 142e30df99
8 changed files with 184 additions and 46 deletions
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src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.143 2002/08/24 18:24:55 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.144 2002/08/28 03:00:59 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -610,6 +610,7 @@ struct Select {
#define SRT_TempTable 8 /* Store result in a trasient table */
#define SRT_Discard 9 /* Do not save the results anywhere */
#define SRT_Sorter 10 /* Store results in the sorter */
#define SRT_Subroutine 11 /* Call a subroutine to handle results */
/*
** When a SELECT uses aggregate functions (like "count(*)" or "avg(f1)")