static jint nativeGetDbLookaside(JNIEnv* env, jobject clazz, jlong connectionPtr) {
SQLiteConnection* connection = reinterpret_cast<SQLiteConnection*>(connectionPtr);
int cur = -1;
int unused;
sqlite3_db_status(connection->db, SQLITE_DBSTATUS_LOOKASIDE_USED, &cur, &unused, 0);
return cur;
}
/* native int native_getDbLookaside(); */
static jint native_getDbLookaside(JNIEnv* env, jobject object)
{
sqlite3 * handle = (sqlite3 *)env->GetIntField(object, offset_db_handle);
int pCur = -1;
int unused;
sqlite3_db_status(handle, SQLITE_DBSTATUS_LOOKASIDE_USED, &pCur, &unused, 0);
return pCur;
}
static void
pragha_database_print_stats (PraghaDatabase *database)
{
PraghaDatabasePrivate *priv = database->priv;
int current = 0, high = 0;
sqlite3_db_status (priv->sqlitedb, SQLITE_DBSTATUS_STMT_USED, ¤t, &high, 0);
gchar *formatted = g_format_size_full (current, G_FORMAT_SIZE_IEC_UNITS);
CDEBUG (DBG_DB, "statements in cache: %i, mem used: %s",
g_hash_table_size (priv->statements_cache),
formatted);
g_free (formatted);
}
/*
** Advance a memstat_cursor to its next row of output.
*/
static int memstatNext(sqlite3_vtab_cursor *cur){
memstat_cursor *pCur = (memstat_cursor*)cur;
int i;
assert( pCur->iRowid<=MSV_NROW );
while(1){
i = (int)pCur->iRowid - 1;
if( i<0 || (aMemstatColumn[i].mNull & 2)!=0 || (++pCur->iDb)>=pCur->nDb ){
pCur->iRowid++;
if( pCur->iRowid>MSV_NROW ) return SQLITE_OK; /* End of the table */
pCur->iDb = 0;
i++;
}
pCur->aVal[0] = 0;
pCur->aVal[1] = 0;
switch( aMemstatColumn[i].eType ){
case MSV_GSTAT: {
if( sqlite3_libversion_number()>=3010000 ){
sqlite3_status64(aMemstatColumn[i].eOp,
&pCur->aVal[0], &pCur->aVal[1],0);
}else{
int xCur, xHiwtr;
sqlite3_status(aMemstatColumn[i].eOp, &xCur, &xHiwtr, 0);
pCur->aVal[0] = xCur;
pCur->aVal[1] = xHiwtr;
}
break;
}
case MSV_DB: {
int xCur, xHiwtr;
sqlite3_db_status(pCur->db, aMemstatColumn[i].eOp, &xCur, &xHiwtr, 0);
pCur->aVal[0] = xCur;
pCur->aVal[1] = xHiwtr;
break;
}
case MSV_ZIPVFS: {
int rc;
rc = sqlite3_file_control(pCur->db, pCur->azDb[pCur->iDb],
aMemstatColumn[i].eOp, (void*)&pCur->aVal[0]);
if( rc!=SQLITE_OK ) continue;
break;
}
}
break;
}
return SQLITE_OK;
}
/**
@SYMTestCaseID PDS-SQLITE3-UT-4038
@SYMTestCaseDesc Database handle SQLITE3 tests.
List of called SQLITE3 functions:
- sqlite3_db_status;
- sqlite3_file_control;
- sqlite3_limit;
- sqlite3_next_stmt;
- sqlite3_randomness;
@SYMTestPriority High
@SYMTestActions Database handle SQLITE3 tests.
@SYMTestExpectedResults Test must not fail
@SYMREQ REQ10424
*/
static void TestSqliteApi2()
{
int used = 0;
int high = 0;
int lock = -1;
int limit = 0;
sqlite3_stmt* next = 0;
int err;
unsigned char buf[10];
TEST(TheDb != 0);
err = sqlite3_db_status(TheDb, SQLITE_DBSTATUS_LOOKASIDE_USED, &used, &high, 0);
TEST2(err, SQLITE_OK);
PrintI("Lookaside slots: %d\r\n", used);
PrintI("Max used lookaside slots: %d\r\n", high);
err = sqlite3_file_control(TheDb, "main", SQLITE_FCNTL_LOCKSTATE, &lock);
TEST2(err, SQLITE_OK);
TEST2(lock, SQLITE_LOCK_NONE);
limit = sqlite3_limit(TheDb, SQLITE_LIMIT_LENGTH, -1);
TEST(limit > 0);
next = sqlite3_next_stmt(TheDb, 0);
TEST(!next);
memset(buf, 0, sizeof(buf));
sqlite3_randomness(8, buf);
memset(buf, 0, sizeof(buf));
sqlite3_randomness(7, buf);
memset(buf, 0, sizeof(buf));
sqlite3_randomness(3, buf);
}
int SqliteDatabase::getKBUsedDB ()
{
int cur = 0, hiw = 0;
sqlite3_db_status (mConnection, SQLITE_DBSTATUS_CACHE_USED, &cur, &hiw, 0);
return cur / 1024;
}
int main(int argc, char **argv){
const char *zFileToRead = 0; /* Input file. NULL for stdin */
const char *zDbName = 0; /* Name of the database file to create */
int useWithoutRowid = 0; /* True for --without-rowid */
int iMode = MODE_INSERT; /* One of MODE_xxxxx */
int useNocase = 0; /* True for --nocase */
int doTrace = 0; /* True for --trace */
int showStats = 0; /* True for --stats */
int showSummary = 0; /* True for --summary */
int showTimer = 0; /* True for --timer */
int cacheSize = 0; /* Desired cache size. 0 means default */
int pageSize = 0; /* Desired page size. 0 means default */
int commitInterval = 0; /* How often to commit. 0 means never */
int noSync = 0; /* True for --nosync */
const char *zJMode = 0; /* Journal mode */
int nOp = 0; /* Operation counter */
int i, j; /* Loop counters */
sqlite3 *db; /* The SQLite database connection */
char *zSql; /* Constructed SQL statement */
sqlite3_stmt *pInsert = 0; /* The INSERT statement */
sqlite3_stmt *pUpdate = 0; /* The UPDATE statement */
sqlite3_stmt *pSelect = 0; /* The SELECT statement */
sqlite3_stmt *pDelete = 0; /* The DELETE statement */
FILE *in; /* The open input file */
int rc; /* Return code from an SQLite interface */
int iCur, iHiwtr; /* Statistics values, current and "highwater" */
sqlite3_int64 sumCnt = 0; /* Sum in QUERY mode */
sqlite3_int64 startTime;
char zInput[2000]; /* A single line of input */
/* Process command-line arguments */
for(i=1; i<argc; i++){
const char *z = argv[i];
if( z[0]=='-' ){
do{ z++; }while( z[0]=='-' );
if( strcmp(z,"without-rowid")==0 ){
useWithoutRowid = 1;
}else if( strcmp(z,"replace")==0 ){
iMode = MODE_REPLACE;
}else if( strcmp(z,"select")==0 ){
iMode = MODE_SELECT;
}else if( strcmp(z,"insert")==0 ){
iMode = MODE_INSERT;
}else if( strcmp(z,"update")==0 ){
iMode = MODE_UPDATE;
}else if( strcmp(z,"delete")==0 ){
iMode = MODE_DELETE;
}else if( strcmp(z,"query")==0 ){
iMode = MODE_QUERY;
}else if( strcmp(z,"nocase")==0 ){
useNocase = 1;
}else if( strcmp(z,"trace")==0 ){
doTrace = 1;
}else if( strcmp(z,"nosync")==0 ){
noSync = 1;
}else if( strcmp(z,"stats")==0 ){
showStats = 1;
}else if( strcmp(z,"summary")==0 ){
showSummary = 1;
}else if( strcmp(z,"timer")==0 ){
showTimer = i;
}else if( strcmp(z,"cachesize")==0 && i<argc-1 ){
i++;
cacheSize = atoi(argv[i]);
}else if( strcmp(z,"pagesize")==0 && i<argc-1 ){
i++;
pageSize = atoi(argv[i]);
}else if( strcmp(z,"commit")==0 && i<argc-1 ){
i++;
commitInterval = atoi(argv[i]);
}else if( strcmp(z,"journal")==0 && i<argc-1 ){
zJMode = argv[++i];
}else{
fatal_error("unknown option: %s\n", argv[i]);
}
}else if( zDbName==0 ){
zDbName = argv[i];
}else if( zFileToRead==0 ){
zFileToRead = argv[i];
}else{
fatal_error("surplus argument: %s\n", argv[i]);
}
}
if( zDbName==0 ){
fatal_error("Usage: %s [--options] DATABASE [INPUTFILE]\n", argv[0]);
}
startTime = realTime();
/* Open the database and the input file */
if( sqlite3_open(zDbName, &db) ){
fatal_error("Cannot open database file: %s\n", zDbName);
}
if( zFileToRead ){
in = fopen(zFileToRead, "rb");
if( in==0 ){
fatal_error("Could not open input file \"%s\"\n", zFileToRead);
}
}else{
in = stdin;
}
/* Set database connection options */
if( doTrace ) sqlite3_trace(db, traceCallback, 0);
if( pageSize ){
zSql = sqlite3_mprintf("PRAGMA page_size=%d", pageSize);
sqlite3_exec(db, zSql, 0, 0, 0);
sqlite3_free(zSql);
}
if( cacheSize ){
zSql = sqlite3_mprintf("PRAGMA cache_size=%d", cacheSize);
sqlite3_exec(db, zSql, 0, 0, 0);
sqlite3_free(zSql);
}
if( noSync ) sqlite3_exec(db, "PRAGMA synchronous=OFF", 0, 0, 0);
if( zJMode ){
zSql = sqlite3_mprintf("PRAGMA journal_mode=%s", zJMode);
sqlite3_exec(db, zSql, 0, 0, 0);
sqlite3_free(zSql);
}
/* Construct the "wordcount" table into which to put the words */
if( sqlite3_exec(db, "BEGIN IMMEDIATE", 0, 0, 0) ){
fatal_error("Could not start a transaction\n");
}
zSql = sqlite3_mprintf(
"CREATE TABLE IF NOT EXISTS wordcount(\n"
" word TEXT PRIMARY KEY COLLATE %s,\n"
" cnt INTEGER\n"
")%s",
useNocase ? "nocase" : "binary",
useWithoutRowid ? " WITHOUT ROWID" : ""
);
if( zSql==0 ) fatal_error("out of memory\n");
rc = sqlite3_exec(db, zSql, 0, 0, 0);
if( rc ) fatal_error("Could not create the wordcount table: %s.\n",
sqlite3_errmsg(db));
sqlite3_free(zSql);
/* Prepare SQL statements that will be needed */
if( iMode==MODE_QUERY ){
rc = sqlite3_prepare_v2(db,
"SELECT cnt FROM wordcount WHERE word=?1",
-1, &pSelect, 0);
if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_SELECT ){
rc = sqlite3_prepare_v2(db,
"SELECT 1 FROM wordcount WHERE word=?1",
-1, &pSelect, 0);
if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n",
sqlite3_errmsg(db));
rc = sqlite3_prepare_v2(db,
"INSERT INTO wordcount(word,cnt) VALUES(?1,1)",
-1, &pInsert, 0);
if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_SELECT || iMode==MODE_UPDATE || iMode==MODE_INSERT ){
rc = sqlite3_prepare_v2(db,
"UPDATE wordcount SET cnt=cnt+1 WHERE word=?1",
-1, &pUpdate, 0);
if( rc ) fatal_error("Could not prepare the UPDATE statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_INSERT ){
rc = sqlite3_prepare_v2(db,
"INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,1)",
-1, &pInsert, 0);
if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_UPDATE ){
rc = sqlite3_prepare_v2(db,
"INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,0)",
-1, &pInsert, 0);
if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_REPLACE ){
rc = sqlite3_prepare_v2(db,
"REPLACE INTO wordcount(word,cnt)"
"VALUES(?1,coalesce((SELECT cnt FROM wordcount WHERE word=?1),0)+1)",
-1, &pInsert, 0);
if( rc ) fatal_error("Could not prepare the REPLACE statement: %s\n",
sqlite3_errmsg(db));
}
if( iMode==MODE_DELETE ){
rc = sqlite3_prepare_v2(db,
"DELETE FROM wordcount WHERE word=?1",
-1, &pDelete, 0);
if( rc ) fatal_error("Could not prepare the DELETE statement: %s\n",
sqlite3_errmsg(db));
}
/* Process the input file */
while( fgets(zInput, sizeof(zInput), in) ){
for(i=0; zInput[i]; i++){
if( !isalpha(zInput[i]) ) continue;
for(j=i+1; isalpha(zInput[j]); j++){}
/* Found a new word at zInput[i] that is j-i bytes long.
** Process it into the wordcount table. */
if( iMode==MODE_DELETE ){
sqlite3_bind_text(pDelete, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pDelete)!=SQLITE_DONE ){
fatal_error("DELETE failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_reset(pDelete);
}else if( iMode==MODE_SELECT ){
sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC);
rc = sqlite3_step(pSelect);
sqlite3_reset(pSelect);
if( rc==SQLITE_ROW ){
sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pUpdate)!=SQLITE_DONE ){
fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_reset(pUpdate);
}else if( rc==SQLITE_DONE ){
sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pInsert)!=SQLITE_DONE ){
fatal_error("Insert failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_reset(pInsert);
}else{
fatal_error("SELECT failed: %s\n", sqlite3_errmsg(db));
}
}else if( iMode==MODE_QUERY ){
sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pSelect)==SQLITE_ROW ){
sumCnt += sqlite3_column_int64(pSelect, 0);
}
sqlite3_reset(pSelect);
}else{
sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pInsert)!=SQLITE_DONE ){
fatal_error("INSERT failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_reset(pInsert);
if( iMode==MODE_UPDATE
|| (iMode==MODE_INSERT && sqlite3_changes(db)==0)
){
sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC);
if( sqlite3_step(pUpdate)!=SQLITE_DONE ){
fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_reset(pUpdate);
}
}
i = j-1;
/* Increment the operation counter. Do a COMMIT if it is time. */
nOp++;
if( commitInterval>0 && (nOp%commitInterval)==0 ){
sqlite3_exec(db, "COMMIT; BEGIN IMMEDIATE", 0, 0, 0);
}
}
}
sqlite3_exec(db, "COMMIT", 0, 0, 0);
if( zFileToRead ) fclose(in);
sqlite3_finalize(pInsert);
sqlite3_finalize(pUpdate);
sqlite3_finalize(pSelect);
sqlite3_finalize(pDelete);
if( iMode==MODE_QUERY ){
printf("sum of cnt: %lld\n", sumCnt);
rc = sqlite3_prepare_v2(db,"SELECT sum(cnt*cnt) FROM wordcount", -1,
&pSelect, 0);
if( rc==SQLITE_OK && sqlite3_step(pSelect)==SQLITE_ROW ){
printf("double-check: %lld\n", sqlite3_column_int64(pSelect, 0));
}
sqlite3_finalize(pSelect);
}
if( showTimer ){
sqlite3_int64 elapseTime = realTime() - startTime;
fprintf(stderr, "%3d.%03d wordcount", (int)(elapseTime/1000),
(int)(elapseTime%1000));
for(i=1; i<argc; i++) if( i!=showTimer ) fprintf(stderr, " %s", argv[i]);
fprintf(stderr, "\n");
}
if( showSummary ){
sqlite3_create_function(db, "checksum", -1, SQLITE_UTF8, 0,
0, checksumStep, checksumFinalize);
sqlite3_exec(db,
"SELECT 'count(*): ', count(*) FROM wordcount;\n"
"SELECT 'sum(cnt): ', sum(cnt) FROM wordcount;\n"
"SELECT 'max(cnt): ', max(cnt) FROM wordcount;\n"
"SELECT 'avg(cnt): ', avg(cnt) FROM wordcount;\n"
"SELECT 'sum(cnt=1):', sum(cnt=1) FROM wordcount;\n"
"SELECT 'top 10: ', group_concat(word, ', ') FROM "
"(SELECT word FROM wordcount ORDER BY cnt DESC, word LIMIT 10);\n"
"SELECT 'checksum: ', checksum(word, cnt) FROM "
"(SELECT word, cnt FROM wordcount ORDER BY word);\n"
"PRAGMA integrity_check;\n",
printResult, 0, 0);
}
/* Database connection statistics printed after both prepared statements
** have been finalized */
if( showStats ){
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, 0);
printf("-- Lookaside Slots Used: %d (max %d)\n", iCur,iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, 0);
printf("-- Successful lookasides: %d\n", iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur,&iHiwtr,0);
printf("-- Lookaside size faults: %d\n", iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur,&iHiwtr,0);
printf("-- Lookaside OOM faults: %d\n", iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, 0);
printf("-- Pager Heap Usage: %d bytes\n", iCur);
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1);
printf("-- Page cache hits: %d\n", iCur);
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1);
printf("-- Page cache misses: %d\n", iCur);
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1);
printf("-- Page cache writes: %d\n", iCur);
sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, 0);
printf("-- Schema Heap Usage: %d bytes\n", iCur);
sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, 0);
printf("-- Statement Heap Usage: %d bytes\n", iCur);
}
sqlite3_close(db);
/* Global memory usage statistics printed after the database connection
** has closed. Memory usage should be zero at this point. */
if( showStats ){
sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, 0);
printf("-- Memory Used (bytes): %d (max %d)\n", iCur,iHiwtr);
sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, 0);
printf("-- Outstanding Allocations: %d (max %d)\n", iCur,iHiwtr);
sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, 0);
printf("-- Pcache Overflow Bytes: %d (max %d)\n", iCur,iHiwtr);
sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, 0);
printf("-- Scratch Overflow Bytes: %d (max %d)\n", iCur,iHiwtr);
sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, 0);
printf("-- Largest Allocation: %d bytes\n",iHiwtr);
sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, 0);
printf("-- Largest Pcache Allocation: %d bytes\n",iHiwtr);
sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, 0);
printf("-- Largest Scratch Allocation: %d bytes\n", iHiwtr);
}
return 0;
}
