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#include "connection.h"
#include "error.h"
#include "selectcommand.h"
#include "modifycommand.h"
SQLite::Connection::Connection(const std::string & str) :
txDepth(0),
rolledback(false)
{
if (sqlite3_open(str.c_str(), &db) != SQLITE_OK) {
if (db) {
std::string err(sqlite3_errmsg(db));
sqlite3_close(db);
throw Error(err.c_str());
}
throw Error("Unknown error opening database");
}
}
SQLite::Connection::~Connection()
{
sqlite3_close(db);
}
void
SQLite::Connection::finish() const
{
if (txDepth != 0) {
rollbackTx();
throw Error("Transaction still open");
}
}
int
SQLite::Connection::beginTx() const
{
if (txDepth == 0) {
if (sqlite3_exec(db, "BEGIN TRANSACTION", NULL, NULL, NULL) != SQLITE_OK) {
throw Error(sqlite3_errmsg(db));
}
rolledback = false;
}
return ++txDepth;
}
int
SQLite::Connection::commitTx() const
{
if (rolledback) {
return rollbackTx();
}
if (--txDepth == 0) {
if (sqlite3_exec(db, "COMMIT TRANSACTION", NULL, NULL, NULL) != SQLITE_OK) {
throw Error(sqlite3_errmsg(db));
}
}
return txDepth;
}
int
SQLite::Connection::rollbackTx() const
{
if (--txDepth == 0) {
if (sqlite3_exec(db, "ROLLBACK TRANSACTION", NULL, NULL, NULL) != SQLITE_OK) {
throw Error(sqlite3_errmsg(db));
}
}
else {
rolledback = true;
}
return txDepth;
}
bool
SQLite::Connection::inTx() const
{
return txDepth;
}
DB::BulkDeleteStyle
SQLite::Connection::bulkDeleteStyle() const
{
return DB::BulkDeleteUsingUsingAlias;
}
DB::BulkUpdateStyle
SQLite::Connection::bulkUpdateStyle() const
{
return DB::BulkUpdateUsingJoin;
}
void
SQLite::Connection::ping() const
{
// Can this fail?
}
DB::SelectCommand *
SQLite::Connection::newSelectCommand(const std::string & sql) const
{
return new SelectCommand(this, sql);
}
DB::ModifyCommand *
SQLite::Connection::newModifyCommand(const std::string & sql) const
{
return new ModifyCommand(this, sql);
}
void
SQLite::Connection::beginBulkUpload(const char *, const char *) const
{
throw Error("Not implemented");
}
void
SQLite::Connection::endBulkUpload(const char *) const
{
throw Error("Not implemented");
}
size_t
SQLite::Connection::bulkUploadData(const char *, size_t) const
{
throw Error("Not implemented");
}
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