static void testOomScan(
OomTest *pOom,
lsm_db *pDb,
int bReverse,
const void *pKey, int nKey,
int nScan,
int *pRc
){
if( *pRc==0 ){
int rc;
int iScan = 0;
lsm_cursor *pCsr;
int (*xAdvance)(lsm_cursor *);
rc = lsm_csr_open(pDb, &pCsr);
testOomAssertRc(pOom, rc);
if( rc==LSM_OK ){
if( bReverse ){
rc = lsm_csr_seek(pCsr, pKey, nKey, LSM_SEEK_LE);
xAdvance = lsm_csr_prev;
}else{
rc = lsm_csr_seek(pCsr, pKey, nKey, LSM_SEEK_GE);
xAdvance = lsm_csr_next;
}
}
testOomAssertRc(pOom, rc);
while( rc==LSM_OK && lsm_csr_valid(pCsr) && iScan<nScan ){
const void *p; int n;
rc = lsm_csr_key(pCsr, &p, &n);
testOomAssertRc(pOom, rc);
if( rc==LSM_OK ){
rc = lsm_csr_value(pCsr, &p, &n);
testOomAssertRc(pOom, rc);
}
if( rc==LSM_OK ){
rc = xAdvance(pCsr);
testOomAssertRc(pOom, rc);
}
iScan++;
}
lsm_csr_close(pCsr);
*pRc = rc;
}
}
void TestLsmMainWindow::on_actionTest1_triggered()
{
int rc;
lsm_db *db;
/* Allocate a new database handle */
rc = lsm_new(0, &db);
if( rc!=LSM_OK ) return;
// rc = lsm_config(db, LSM_CONFIG_PAGE_SIZE,);
// rc = lsm_config(db, LSM_CONFIG_BLOCK_SIZE, 1024);
/* Connect the database handle to database "test.db" */
rc = lsm_open(db, "d:\\test.db");
if( rc!=LSM_OK ) return;
lsm_insert(db, "testkey", 7, "testval", 7);
lsm_insert(db, "testkey", 7, "testval", 7);
lsm_insert(db, "testkey", 7, "testval", 7);
lsm_insert(db, "testkey", 7, "testval", 7);
lsm_cursor* csr;
rc = lsm_csr_open(db, &csr);
rc = lsm_csr_seek(csr, "testkey", 7, LSM_SEEK_EQ);
if( lsm_csr_valid(csr) ) {
const char *pVal;
int nVal;
rc = lsm_csr_value(csr, (const void **)&pVal, &nVal);
if( rc==LSM_OK ) {
QString test = QString::fromLatin1(pVal, nVal);
qDebug(test.toLatin1().constData());
/* pVal now points to a buffer nVal bytes in size containing the
** value associated with database key "b". */
}
}
lsm_csr_close(csr);
rc = lsm_close(db);
}
static void testOomFetch(
OomTest *pOom,
lsm_db *pDb,
void *pKey, int nKey,
void *pVal, int nVal,
int *pRc
){
testOomAssertRc(pOom, *pRc);
if( *pRc==LSM_OK ){
lsm_cursor *pCsr;
int rc;
rc = lsm_csr_open(pDb, &pCsr);
if( rc==LSM_OK ) rc = lsm_csr_seek(pCsr, pKey, nKey, 0);
testOomAssertRc(pOom, rc);
if( rc==LSM_OK ){
const void *p; int n;
testOomAssert(pOom, lsm_csr_valid(pCsr));
rc = lsm_csr_key(pCsr, &p, &n);
testOomAssertRc(pOom, rc);
testOomAssert(pOom, rc!=LSM_OK || (n==nKey && memcmp(pKey, p, nKey)==0) );
}
if( rc==LSM_OK ){
const void *p; int n;
testOomAssert(pOom, lsm_csr_valid(pCsr));
rc = lsm_csr_value(pCsr, &p, &n);
testOomAssertRc(pOom, rc);
testOomAssert(pOom, rc!=LSM_OK || (n==nVal && memcmp(pVal, p, nVal)==0) );
}
lsm_csr_close(pCsr);
*pRc = rc;
}
}
