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Fix a bug in the KEYINFO handling within select.c. Change the OP_Move

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opcode to take a count and to move multiple registers.  Initial code for
the compound-select merge optimization is added but is incomplete
and is commented out. (CVS 5272)

FossilOrigin-Name: 663a590e3086145a57af7569d8f798b6b6a8b76c
This commit is contained in:
drh
2008-06-22 12:37:57 +00:00
parent 04bcc00788
commit b21e7c70f7
10 changed files with 424 additions and 73 deletions
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4
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.721 2008/06/20 15:24:02 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.722 2008/06/22 12:37:58 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -1911,7 +1911,7 @@ void sqlite3Update(Parse*, SrcList*, ExprList*, Expr*, int);
WhereInfo *sqlite3WhereBegin(Parse*, SrcList*, Expr*, ExprList**, u8);
void sqlite3WhereEnd(WhereInfo*);
int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, int);
void sqlite3ExprCodeMove(Parse*, int, int);
void sqlite3ExprCodeMove(Parse*, int, int, int);
void sqlite3ExprClearColumnCache(Parse*, int);
void sqlite3ExprCacheAffinityChange(Parse*, int, int);
int sqlite3ExprWritableRegister(Parse*,int,int);