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Fix for bug #15: Add the sqlite_changes() API function for retrieving the

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number of rows that changed in the previous operation. (CVS 526)

FossilOrigin-Name: 6e71493b9dc77d508c3ce90562766789e87e6d80
This commit is contained in:
drh
2002-04-12 10:08:59 +00:00
parent b04a5d8768
commit c8d30ac109
15 changed files with 172 additions and 59 deletions
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27
src/tclsqlite.c
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@@ -11,7 +11,7 @@
*************************************************************************
** A TCL Interface to SQLite
**
** $Id: tclsqlite.c,v 1.30 2002/03/11 02:06:13 drh Exp $
** $Id: tclsqlite.c,v 1.31 2002/04/12 10:08:59 drh Exp $
*/
#ifndef NO_TCL /* Omit this whole file if TCL is unavailable */
@@ -268,10 +268,12 @@ static int DbObjCmd(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
SqliteDb *pDb = (SqliteDb*)cd;
int choice;
static char *DB_optStrs[] = {
"busy", "close", "complete", "eval", "last_insert_rowid", "timeout", 0
"busy", "changes", "close", "complete",
"eval", "last_insert_rowid", "timeout", 0
};
enum DB_opts {
DB_BUSY, DB_CLOSE, DB_COMPLETE, DB_EVAL, DB_LAST_INSERT_ROWID, DB_TIMEOUT
DB_BUSY, DB_CHANGES, DB_CLOSE, DB_COMPLETE,
DB_EVAL, DB_LAST_INSERT_ROWID, DB_TIMEOUT
};
if( objc<2 ){
@@ -320,6 +322,25 @@ static int DbObjCmd(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
break;
}
/*
** $db changes
**
** Return the number of rows that were modified, inserted, or deleted by
** the most recent "eval".
*/
case DB_CHANGES: {
Tcl_Obj *pResult;
int nChange;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 2, objv, "");
return TCL_ERROR;
}
nChange = sqlite_changes(pDb->db);
pResult = Tcl_GetObjResult(interp);
Tcl_SetIntObj(pResult, nChange);
break;
}
/* $db close
**
** Shutdown the database