Add the sqlite3_next_stmt() interface, including test cases. (CVS 5243)

FossilOrigin-Name: 565a530896b40790287eeaad709edd51980fbddf

1 files changed, 19 insertions, 1 deletions

diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index 8fc3987c6..fea540f43 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -13,7 +13,7 @@
 ** This file contains code use to implement APIs that are part of the
 ** VDBE.
 **
-** $Id: vdbeapi.c,v 1.133 2008/06/18 17:09:10 danielk1977 Exp $
+** $Id: vdbeapi.c,v 1.134 2008/06/19 02:52:25 drh Exp $
 */
 #include "sqliteInt.h"
 #include "vdbeInt.h"
@@ -1256,3 +1256,21 @@ int sqlite3_transfer_bindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){
 sqlite3 *sqlite3_db_handle(sqlite3_stmt *pStmt){
   return pStmt ? ((Vdbe*)pStmt)->db : 0;
 }
+
+/*
+** Return a pointer to the next prepared statement after pStmt associated
+** with database connection pDb.  If pStmt is NULL, return the first
+** prepared statement for the database connection.  Return NULL if there
+** are no more.
+*/
+sqlite3_stmt *sqlite3_next_stmt(sqlite3 *pDb, sqlite3_stmt *pStmt){
+  sqlite3_stmt *pNext;
+  sqlite3_mutex_enter(pDb->mutex);
+  if( pStmt==0 ){
+    pNext = (sqlite3_stmt*)pDb->pVdbe;
+  }else{
+    pNext = (sqlite3_stmt*)((Vdbe*)pStmt)->pNext;
+  }
+  sqlite3_mutex_leave(pDb->mutex);
+  return pNext;
+}