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#include "../../include/odhtdb/sql/SqlExec.hpp"
#include <sqlite3.h>
namespace odhtdb
{
SqlExec::SqlExec(sqlite3 *_db, const char *sql) :
db(_db),
stmt(nullptr)
{
int rc = sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr);
if(rc != SQLITE_OK)
{
std::string errMsg = "Failed to prepare sqlite statement, error: ";
errMsg += sqlite3_errmsg(db);
sqlite3_exec(db, "ROLLBACK", 0, 0, 0);
throw SqlExecException(errMsg);
}
}
SqlExec::~SqlExec()
{
sqlite3_finalize(stmt);
}
void SqlExec::execWithArgs(std::initializer_list<SqlArg> args)
{
std::lock_guard<std::mutex> lock(mutex);
sqlite3_reset(stmt);
sqlite3_clear_bindings(stmt);
int numParams = sqlite3_bind_parameter_count(stmt);
if(args.size() != numParams)
{
std::string errMsg = "Failed to prepare sqlite statement, error: Sql has ";
errMsg += std::to_string(numParams);
errMsg += " parameters, got ";
errMsg += std::to_string(args.size());
errMsg += " arguments";
sqlite3_exec(db, "ROLLBACK", 0, 0, 0);
throw SqlExecException(errMsg);
}
int paramIndex = 1;
for(const SqlArg &arg : args)
{
int rc = arg.bind(stmt, paramIndex);
if(rc != SQLITE_OK)
{
std::string errMsg = "Failed to bind param, error code: ";
errMsg += std::to_string(rc);
sqlite3_exec(db, "ROLLBACK", 0, 0, 0);
throw SqlExecException(errMsg);
}
++paramIndex;
}
int rc = sqlite3_step(stmt);
if(rc != SQLITE_DONE)
{
std::string errMsg = "Failed to perform sql exec, error: ";
errMsg += sqlite3_errmsg(db);
sqlite3_exec(db, "ROLLBACK", 0, 0, 0);
throw SqlExecException(errMsg);
}
}
void SqlExec::exec()
{
execWithArgs({});
}
}
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