/*
** Set up a database file with the following properties:
**
** * Page size is 1024 bytes.
** * Block size is 64 KB.
** * Contains 5000 key-value pairs starting at 0 from the
** datasource returned getDatasource().
*/
static void setup_populate_db2(){
Datasource *pData;
int ii;
int rc;
int nBlocksize = 64*1024;
int nPagesize = 1024;
int nWritebuffer = 4*1024;
lsm_db *pDb;
testDeleteLsmdb(LSMTEST6_TESTDB);
rc = lsm_new(tdb_lsm_env(), &pDb);
if( rc==LSM_OK ) rc = lsm_open(pDb, LSMTEST6_TESTDB);
lsm_config(pDb, LSM_CONFIG_BLOCK_SIZE, &nBlocksize);
lsm_config(pDb, LSM_CONFIG_PAGE_SIZE, &nPagesize);
lsm_config(pDb, LSM_CONFIG_AUTOFLUSH, &nWritebuffer);
pData = getDatasource();
for(ii=0; rc==LSM_OK && ii<5000; ii++){
void *pKey; int nKey;
void *pVal; int nVal;
testDatasourceEntry(pData, ii, &pKey, &nKey, &pVal, &nVal);
lsm_insert(pDb, pKey, nKey, pVal, nVal);
}
testDatasourceFree(pData);
lsm_close(pDb);
testSaveDb(LSMTEST6_TESTDB, "log");
assert( rc==LSM_OK );
}
/*
** Create a small database. With the following content:
**
** "one" -> "one"
** "two" -> "four"
** "three" -> "nine"
** "four" -> "sixteen"
** "five" -> "twentyfive"
** "six" -> "thirtysix"
** "seven" -> "fourtynine"
** "eight" -> "sixtyfour"
*/
static void setup_populate_db(){
const char *azStr[] = {
"one", "one",
"two", "four",
"three", "nine",
"four", "sixteen",
"five", "twentyfive",
"six", "thirtysix",
"seven", "fourtynine",
"eight", "sixtyfour",
};
int rc;
int ii;
lsm_db *pDb;
testDeleteLsmdb(LSMTEST6_TESTDB);
rc = lsm_new(tdb_lsm_env(), &pDb);
if( rc==LSM_OK ) rc = lsm_open(pDb, LSMTEST6_TESTDB);
for(ii=0; rc==LSM_OK && ii<ArraySize(azStr); ii+=2){
rc = lsmWriteStr(pDb, azStr[ii], azStr[ii+1]);
}
lsm_close(pDb);
testSaveDb(LSMTEST6_TESTDB, "log");
assert( rc==LSM_OK );
}
/*
** Test the results of OOM conditions in lsm_new().
*/
static void simple_oom_1(OomTest *pOom){
int rc;
lsm_db *pDb;
rc = lsm_new(tdb_lsm_env(), &pDb);
testOomAssertRc(pOom, rc);
lsm_close(pDb);
}
/*
** Test the results of OOM conditions in lsm_open().
*/
static void simple_oom_2(OomTest *pOom){
int rc;
lsm_db *pDb;
rc = lsm_new(tdb_lsm_env(), &pDb);
if( rc==LSM_OK ){
rc = lsm_open(pDb, "testdb.lsm");
}
testOomAssertRc(pOom, rc);
lsm_close(pDb);
}
static void testOomOpen(
OomTest *pOom,
const char *zName,
lsm_db **ppDb,
int *pRc
){
if( *pRc==LSM_OK ){
int rc;
rc = lsm_new(tdb_lsm_env(), ppDb);
if( rc==LSM_OK ) rc = lsm_open(*ppDb, zName);
testOomAssertRc(pOom, rc);
*pRc = rc;
}
}
static lsm_db *newLsmConnection(
const char *zDb,
int nPgsz,
int nBlksz,
int *pRc
){
lsm_db *db = 0;
if( *pRc==0 ){
int n1 = nPgsz;
int n2 = nBlksz;
*pRc = lsm_new(tdb_lsm_env(), &db);
if( *pRc==0 ){
if( n1 ) lsm_config(db, LSM_CONFIG_PAGE_SIZE, &n1);
if( n2 ) lsm_config(db, LSM_CONFIG_BLOCK_SIZE, &n2);
*pRc = lsm_open(db, "testdb.lsm");
}
}
return db;
}
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);
}
/*
** The lsm1Connect() method is invoked to create a new
** lsm1_vtab that describes the virtual table.
*/
static int lsm1Connect(
sqlite3 *db,
void *pAux,
int argc, const char *const*argv,
sqlite3_vtab **ppVtab,
char **pzErr
){
lsm1_vtab *pNew;
int rc;
char *zFilename;
if( argc!=4 || argv[3]==0 || argv[3][0]==0 ){
*pzErr = sqlite3_mprintf("filename argument missing");
return SQLITE_ERROR;
}
*ppVtab = sqlite3_malloc( sizeof(*pNew) );
pNew = (lsm1_vtab*)*ppVtab;
if( pNew==0 ){
return SQLITE_NOMEM;
}
memset(pNew, 0, sizeof(*pNew));
rc = lsm_new(0, &pNew->pDb);
if( rc ){
*pzErr = sqlite3_mprintf("lsm_new failed with error code %d", rc);
rc = SQLITE_ERROR;
goto connect_failed;
}
zFilename = sqlite3_mprintf("%s", argv[3]);
lsm1Dequote(zFilename);
rc = lsm_open(pNew->pDb, zFilename);
sqlite3_free(zFilename);
if( rc ){
*pzErr = sqlite3_mprintf("lsm_open failed with %d", rc);
rc = SQLITE_ERROR;
goto connect_failed;
}
/* Column numbers */
#define LSM1_COLUMN_KEY 0
#define LSM1_COLUMN_BLOBKEY 1
#define LSM1_COLUMN_VALUE 2
#define LSM1_COLUMN_BLOBVALUE 3
#define LSM1_COLUMN_COMMAND 4
rc = sqlite3_declare_vtab(db,
"CREATE TABLE x("
" key," /* The primary key. Any non-NULL */
" blobkey," /* Pure BLOB primary key */
" value," /* The value associated with key. Any non-NULL */
" blobvalue," /* Pure BLOB value */
" command hidden" /* Insert here for control operations */
");"
);
connect_failed:
if( rc!=SQLITE_OK ){
if( pNew ){
if( pNew->pDb ) lsm_close(pNew->pDb);
sqlite3_free(pNew);
}
*ppVtab = 0;
}
return rc;
}
