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Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305)

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FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4
This commit is contained in:
danielk1977
2009-02-19 14:39:25 +00:00
parent 076d4661a6
commit 6ab3a2ec8a
27 changed files with 664 additions and 366 deletions
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9
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.202 2009/01/20 16:53:41 danielk1977 Exp $
** $Id: pragma.c,v 1.203 2009/02/19 14:39:25 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -831,7 +831,6 @@ void sqlite3Pragma(
sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", SQLITE_STATIC);
sqlite3ViewGetColumnNames(pParse, pTab);
for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
const Token *pDflt;
if( IsHiddenColumn(pCol) ){
nHidden++;
continue;
@@ -842,9 +841,9 @@ void sqlite3Pragma(
pCol->zType ? pCol->zType : "", 0);
sqlite3VdbeAddOp2(v, OP_Integer, (pCol->notNull ? 1 : 0), 4);
if( pCol->pDflt ){
pDflt = &pCol->pDflt->span;
assert( pDflt->z );
sqlite3VdbeAddOp4(v, OP_String8, 0, 5, 0, (char*)pDflt->z, pDflt->n);
const Token *p = &pCol->pDflt->span;
assert( p->z );
sqlite3VdbeAddOp4(v, OP_String8, 0, 5, 0, (char*)p->z, p->n);
}else{
sqlite3VdbeAddOp2(v, OP_Null, 0, 5);
}