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1 /*
2 ** 2007 May 05
3 **
4 ** The author disclaims copyright to this source code. In place of
5 ** a legal notice, here is a blessing:
6 **
7 ** May you do good and not evil.
8 ** May you find forgiveness for yourself and forgive others.
9 ** May you share freely, never taking more than you give.
11 *************************************************************************
12 ** Code for testing the btree.c module in SQLite. This code
13 ** is not included in the SQLite library. It is used for automated
14 ** testing of the SQLite library.
16 #include "btreeInt.h"
17 #include <tcl.h>
20 ** Usage: sqlite3_shared_cache_report
22 ** Return a list of file that are shared and the number of
23 ** references to each file.
25 int sqlite3BtreeSharedCacheReport(
26 void * clientData,
27 Tcl_Interp *interp,
28 int objc,
29 Tcl_Obj *CONST objv[]
31 #ifndef SQLITE_OMIT_SHARED_CACHE
32 extern BtShared *sqlite3SharedCacheList;
33 BtShared *pBt;
34 Tcl_Obj *pRet = Tcl_NewObj();
35 for(pBt=GLOBAL(BtShared*,sqlite3SharedCacheList); pBt; pBt=pBt->pNext){
36 const char *zFile = sqlite3PagerFilename(pBt->pPager, 1);
37 Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(zFile, -1));
38 Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(pBt->nRef));
40 Tcl_SetObjResult(interp, pRet);
41 #endif
42 return TCL_OK;
46 ** Print debugging information about all cursors to standard output.
48 void sqlite3BtreeCursorList(Btree *p){
49 #ifdef SQLITE_DEBUG
50 BtCursor *pCur;
51 BtShared *pBt = p->pBt;
52 for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
53 MemPage *pPage = pCur->apPage[pCur->iPage];
54 char *zMode = (pCur->curFlags & BTCF_WriteFlag) ? "rw" : "ro";
55 sqlite3DebugPrintf("CURSOR %p rooted at %4d(%s) currently at %d.%d%s\n",
56 pCur, pCur->pgnoRoot, zMode,
57 pPage ? pPage->pgno : 0, pCur->aiIdx[pCur->iPage],
58 (pCur->eState==CURSOR_VALID) ? "" : " eof"
61 #endif