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Floating point and 64-bit integer constants store in the virtual

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machine opcodes in binary, not as text.  Performance improvement.
Ticket #2733. (CVS 4507)

FossilOrigin-Name: 7e30fd6a09899842c922b044714dc66796e545d4
This commit is contained in:
drh
2007-10-23 15:39:45 +00:00
parent 55bfeb10cb
commit 598f134020
10 changed files with 96 additions and 59 deletions
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4
src/vdbe.h
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@@ -15,7 +15,7 @@
** or VDBE. The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
** $Id: vdbe.h,v 1.113 2007/08/30 01:19:59 drh Exp $
** $Id: vdbe.h,v 1.114 2007/10/23 15:39:45 drh Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
@@ -72,6 +72,8 @@ typedef struct VdbeOpList VdbeOpList;
#define P3_TRANSIENT (-9) /* P3 is a pointer to a transient string */
#define P3_VTAB (-10) /* P3 is a pointer to an sqlite3_vtab structure */
#define P3_MPRINTF (-11) /* P3 is a string obtained from sqlite3_mprintf() */
#define P3_REAL (-12) /* P3 is a 64-bit floating point value */
#define P3_INT64 (-13) /* P3 is a 64-bit signed integer */
/* When adding a P3 argument using P3_KEYINFO, a copy of the KeyInfo structure
** is made. That copy is freed when the Vdbe is finalized. But if the