rcpp_framework/database/sqlite/sqlite3_query_result.cpp

45 lines
1.2 KiB
C++

#include "sqlite3_query_result.h"
#include <cstdio>
bool Sqlite3QueryResult::next_row() {
return ++current_row < rows.size();
}
const char* Sqlite3QueryResult::get_cell(const int index) {
return rows[current_row]->cells[index].c_str();
}
void Sqlite3QueryResult::query(const std::string &query, sqlite3 *conn) {
if (sqlite3_exec(conn, query.c_str(), Sqlite3QueryResult::run_query_finished, this, &err_msg) != SQLITE_OK) {
printf("SQLite3Database::query error: \nQuery: %s \n Error:\n %s\n", query.c_str(), err_msg);
sqlite3_free(err_msg);
}
}
int Sqlite3QueryResult::run_query_finished(void *data, int argc, char **argv, char **col_names) {
Sqlite3QueryResult *res = reinterpret_cast<Sqlite3QueryResult*>(data);
//res->col_names = col_names;
Sqlite3QueryResultRow *r = new Sqlite3QueryResultRow();
for (int i = 0; i < argc; ++i) {
r->cells.push_back(argv[i]);
}
res->rows.push_back(r);
return 0;
}
Sqlite3QueryResult::Sqlite3QueryResult() : QueryResult() {
err_msg = nullptr;
current_row = -1;
}
Sqlite3QueryResult::~Sqlite3QueryResult() {
for (int i = 0; i < rows.size(); ++i) {
delete rows[i];
}
}