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sqlite/ext/rtree/test_rtreedoc.c
drh 60f3657b4a Fix an undersized memory allocation in the test harness for RTREE. This 
error was in test logic only, not in the SQLite library itself.
[forum:/forumpost/35470a0a72a005e1|forum post 35470a0a72a005e1]

FossilOrigin-Name: 7e3c9594390ac8defaf9825e14b4c19ef8c123b747971dd3d4df16110f443d3b
2022-02-22 15:47:55 +00:00

349 lines
9.7 KiB
C
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/*
** 2010 August 28
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces. This code
** is not included in the SQLite library.
*/
#include "sqlite3.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
#endif
/* Solely for the UNUSED_PARAMETER() macro. */
#include "sqliteInt.h"
#ifdef SQLITE_ENABLE_RTREE
typedef struct BoxGeomCtx BoxGeomCtx;
struct BoxGeomCtx {
Tcl_Interp *interp;
Tcl_Obj *pScript;
};
typedef struct BoxQueryCtx BoxQueryCtx;
struct BoxQueryCtx {
Tcl_Interp *interp;
Tcl_Obj *pScript;
};
static void testDelUser(void *pCtx){
BoxGeomCtx *p = (BoxGeomCtx*)pCtx;
Tcl_EvalObjEx(p->interp, p->pScript, 0);
Tcl_DecrRefCount(p->pScript);
sqlite3_free(p);
}
static int invokeTclGeomCb(
const char *zName,
sqlite3_rtree_geometry *p,
int nCoord,
sqlite3_rtree_dbl *aCoord
){
int rc = SQLITE_OK;
if( p->pContext ){
char aPtr[64];
BoxGeomCtx *pCtx = (BoxGeomCtx*)p->pContext;
Tcl_Interp *interp = pCtx->interp;
Tcl_Obj *pScript = 0;
Tcl_Obj *pParam = 0;
Tcl_Obj *pCoord = 0;
int ii;
Tcl_Obj *pRes;
pScript = Tcl_DuplicateObj(pCtx->pScript);
Tcl_IncrRefCount(pScript);
Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj(zName,-1));
sqlite3_snprintf(sizeof(aPtr)-1, aPtr, "%p", (void*)p->pContext);
Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj(aPtr,-1));
pParam = Tcl_NewObj();
for(ii=0; ii<p->nParam; ii++){
Tcl_ListObjAppendElement(
interp, pParam, Tcl_NewDoubleObj(p->aParam[ii])
);
}
Tcl_ListObjAppendElement(interp, pScript, pParam);
pCoord = Tcl_NewObj();
for(ii=0; ii<nCoord; ii++){
Tcl_ListObjAppendElement(interp, pCoord, Tcl_NewDoubleObj(aCoord[ii]));
}
Tcl_ListObjAppendElement(interp, pScript, pCoord);
sqlite3_snprintf(sizeof(aPtr)-1, aPtr, "%p", (void*)p);
Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj(aPtr,-1));
rc = Tcl_EvalObjEx(interp, pScript, 0);
if( rc!=TCL_OK ){
rc = SQLITE_ERROR;
}else{
int nObj = 0;
Tcl_Obj **aObj = 0;
pRes = Tcl_GetObjResult(interp);
if( Tcl_ListObjGetElements(interp, pRes, &nObj, &aObj) ) return TCL_ERROR;
if( nObj>0 ){
const char *zCmd = Tcl_GetString(aObj[0]);
if( 0==sqlite3_stricmp(zCmd, "zero") ){
p->aParam[0] = 0.0;
p->nParam = 1;
}
else if( 0==sqlite3_stricmp(zCmd, "user") ){
if( p->pUser || p->xDelUser ){
rc = SQLITE_ERROR;
}else{
BoxGeomCtx *pBGCtx = sqlite3_malloc(sizeof(BoxGeomCtx));
if( pBGCtx==0 ){
rc = SQLITE_NOMEM;
}else{
pBGCtx->interp = interp;
pBGCtx->pScript = Tcl_DuplicateObj(pRes);
Tcl_IncrRefCount(pBGCtx->pScript);
Tcl_ListObjReplace(interp, pBGCtx->pScript, 0, 1, 0, 0);
p->pUser = (void*)pBGCtx;
p->xDelUser = testDelUser;
}
}
}
else if( 0==sqlite3_stricmp(zCmd, "user_is_zero") ){
if( p->pUser || p->xDelUser ) rc = SQLITE_ERROR;
}
}
}
}
return rc;
}
/*
# EVIDENCE-OF: R-00693-36727 The legacy xGeom callback is invoked with
# four arguments.
# EVIDENCE-OF: R-50437-53270 The first argument is a pointer to an
# sqlite3_rtree_geometry structure which provides information about how
# the SQL function was invoked.
# EVIDENCE-OF: R-00090-24248 The third argument, aCoord[], is an array
# of nCoord coordinates that defines a bounding box to be tested.
# EVIDENCE-OF: R-28207-40885 The last argument is a pointer into which
# the callback result should be written.
*/
static int box_geom(
sqlite3_rtree_geometry *p, /* R-50437-53270 */
int nCoord, /* R-02424-24769 */
sqlite3_rtree_dbl *aCoord, /* R-00090-24248 */
int *pRes /* R-28207-40885 */
){
int ii;
if( p->nParam!=nCoord ){
invokeTclGeomCb("box", p, nCoord, aCoord);
return SQLITE_ERROR;
}
if( invokeTclGeomCb("box", p, nCoord, aCoord) ) return SQLITE_ERROR;
for(ii=0; ii<nCoord; ii+=2){
if( aCoord[ii]>p->aParam[ii+1] || aCoord[ii+1]<p->aParam[ii] ){
/* R-28207-40885 */
*pRes = 0;
return SQLITE_OK;
}
}
/* R-28207-40885 */
*pRes = 1;
return SQLITE_OK;
}
static int SQLITE_TCLAPI register_box_geom(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
extern const char *sqlite3ErrName(int);
sqlite3 *db;
BoxGeomCtx *pCtx;
char aPtr[64];
if( objc!=3 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB SCRIPT");
return TCL_ERROR;
}
if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
pCtx = (BoxGeomCtx*)ckalloc(sizeof(BoxGeomCtx*));
pCtx->interp = interp;
pCtx->pScript = Tcl_DuplicateObj(objv[2]);
Tcl_IncrRefCount(pCtx->pScript);
sqlite3_rtree_geometry_callback(db, "box", box_geom, (void*)pCtx);
sqlite3_snprintf(64, aPtr, "%p", (void*)pCtx);
Tcl_SetObjResult(interp, Tcl_NewStringObj(aPtr, -1));
return TCL_OK;
}
static int box_query(sqlite3_rtree_query_info *pInfo){
const char *azParentWithin[] = {"not", "partly", "fully", 0};
BoxQueryCtx *pCtx = (BoxQueryCtx*)pInfo->pContext;
Tcl_Interp *interp = pCtx->interp;
Tcl_Obj *pEval;
Tcl_Obj *pArg;
Tcl_Obj *pTmp = 0;
int rc;
int ii;
pEval = Tcl_DuplicateObj(pCtx->pScript);
Tcl_IncrRefCount(pEval);
pArg = Tcl_NewObj();
Tcl_IncrRefCount(pArg);
/* aParam[] */
pTmp = Tcl_NewObj();
Tcl_IncrRefCount(pTmp);
for(ii=0; ii<pInfo->nParam; ii++){
Tcl_Obj *p = Tcl_NewDoubleObj(pInfo->aParam[ii]);
Tcl_ListObjAppendElement(interp, pTmp, p);
}
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("aParam", -1));
Tcl_ListObjAppendElement(interp, pArg, pTmp);
Tcl_DecrRefCount(pTmp);
/* aCoord[] */
pTmp = Tcl_NewObj();
Tcl_IncrRefCount(pTmp);
for(ii=0; ii<pInfo->nCoord; ii++){
Tcl_Obj *p = Tcl_NewDoubleObj(pInfo->aCoord[ii]);
Tcl_ListObjAppendElement(interp, pTmp, p);
}
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("aCoord", -1));
Tcl_ListObjAppendElement(interp, pArg, pTmp);
Tcl_DecrRefCount(pTmp);
/* anQueue[] */
pTmp = Tcl_NewObj();
Tcl_IncrRefCount(pTmp);
for(ii=0; ii<=pInfo->mxLevel; ii++){
Tcl_Obj *p = Tcl_NewIntObj((int)pInfo->anQueue[ii]);
Tcl_ListObjAppendElement(interp, pTmp, p);
}
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("anQueue", -1));
Tcl_ListObjAppendElement(interp, pArg, pTmp);
Tcl_DecrRefCount(pTmp);
/* iLevel */
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("iLevel", -1));
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewIntObj(pInfo->iLevel));
/* mxLevel */
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("mxLevel", -1));
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewIntObj(pInfo->mxLevel));
/* iRowid */
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("iRowid", -1));
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewWideIntObj(pInfo->iRowid));
/* rParentScore */
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("rParentScore", -1));
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewDoubleObj(pInfo->rParentScore));
/* eParentWithin */
assert( pInfo->eParentWithin==0
|| pInfo->eParentWithin==1
|| pInfo->eParentWithin==2
);
Tcl_ListObjAppendElement(interp, pArg, Tcl_NewStringObj("eParentWithin", -1));
Tcl_ListObjAppendElement(interp, pArg,
Tcl_NewStringObj(azParentWithin[pInfo->eParentWithin], -1)
);
Tcl_ListObjAppendElement(interp, pEval, pArg);
rc = Tcl_EvalObjEx(interp, pEval, 0) ? SQLITE_ERROR : SQLITE_OK;
if( rc==SQLITE_OK ){
double rScore = 0.0;
int nObj = 0;
int eP = 0;
Tcl_Obj **aObj = 0;
Tcl_Obj *pRes = Tcl_GetObjResult(interp);
if( Tcl_ListObjGetElements(interp, pRes, &nObj, &aObj)
|| nObj!=2
|| Tcl_GetDoubleFromObj(interp, aObj[1], &rScore)
|| Tcl_GetIndexFromObj(interp, aObj[0], azParentWithin, "value", 0, &eP)
){
rc = SQLITE_ERROR;
}else{
pInfo->rScore = rScore;
pInfo->eParentWithin = eP;
}
}
Tcl_DecrRefCount(pArg);
Tcl_DecrRefCount(pEval);
return rc;
}
static void box_query_destroy(void *p){
BoxQueryCtx *pCtx = (BoxQueryCtx*)p;
Tcl_DecrRefCount(pCtx->pScript);
ckfree((char*)pCtx);
}
static int SQLITE_TCLAPI register_box_query(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
extern const char *sqlite3ErrName(int);
sqlite3 *db;
BoxQueryCtx *pCtx;
if( objc!=3 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB SCRIPT");
return TCL_ERROR;
}
if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
pCtx = (BoxQueryCtx*)ckalloc(sizeof(BoxQueryCtx));
pCtx->interp = interp;
pCtx->pScript = Tcl_DuplicateObj(objv[2]);
Tcl_IncrRefCount(pCtx->pScript);
sqlite3_rtree_query_callback(
db, "qbox", box_query, (void*)pCtx, box_query_destroy
);
Tcl_ResetResult(interp);
return TCL_OK;
}
#endif /* SQLITE_ENABLE_RTREE */
int Sqlitetestrtreedoc_Init(Tcl_Interp *interp){
#ifdef SQLITE_ENABLE_RTREE
Tcl_CreateObjCommand(interp, "register_box_geom", register_box_geom, 0, 0);
Tcl_CreateObjCommand(interp, "register_box_query", register_box_query, 0, 0);
#endif /* SQLITE_ENABLE_RTREE */
return TCL_OK;
}
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