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Basic functionality for descending indices is in place. Lots more testing

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needed. (CVS 2840)

FossilOrigin-Name: 7064433e5b06a4f858f39ce57650fba99fd72ffd
This commit is contained in:
drh
2005-12-21 14:43:11 +00:00
parent 85eeb692f3
commit d28bcb305b
6 changed files with 209 additions and 39 deletions
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20
src/alter.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.12 2005/12/16 01:06:17 drh Exp $
** $Id: alter.c,v 1.13 2005/12/21 14:43:12 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -385,7 +385,6 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
char *zCol; /* Null-terminated column definition */
Column *pCol; /* The new column */
Expr *pDflt; /* Default value for the new column */
Vdbe *v;
if( pParse->nErr ) return;
pNew = pParse->pNewTable;
@@ -468,23 +467,6 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
reloadTableSchema(pParse, pTab, pTab->zName);
}
/*
** Generate code to make sure the file format number is at least minFormat.
** The generated code will increase the file format number if necessary.
*/
void sqlite3MinimumFileFormat(Parse *pParse, int iDb, int minFormat){
Vdbe *v;
v = sqlite3GetVdbe(pParse);
if( v ){
sqlite3VdbeAddOp(v, OP_ReadCookie, iDb, 1);
sqlite3VdbeAddOp(v, OP_Integer, minFormat, 0);
sqlite3VdbeAddOp(v, OP_Ge, 0, sqlite3VdbeCurrentAddr(v)+3);
sqlite3VdbeAddOp(v, OP_Integer, minFormat, 0);
sqlite3VdbeAddOp(v, OP_SetCookie, iDb, 1);
}
}
/*
** This function is called by the parser after the table-name in
** an "ALTER TABLE <table-name> ADD" statement is parsed. Argument