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#include "mysqlConn.h"
#include "mysqlBindings.h"
#include "mysqlStmt.h"
#include <cstddef>
#include <cstring>
#include <dbConn.h>
#include <helpers.h>
#include <memory>
#include <mysql.h>
#include <stdexcept>
#include <vector>
namespace MyGrate::Input {
MySQLErr::MySQLErr(const std::string & when, MYSQL * c) : std::runtime_error(when + ": " + mysql_error(c)) { }
MySQLConn::MySQLConn(const char * const host, const char * const user, const char * const pass, unsigned short port,
const char * const db) :
st_mysql {}
{
mysql_init(this);
if (!mysql_real_connect(this, host, user, pass, db, port, nullptr, 0)) {
mysql_close(this);
throw MySQLErr("Connecting", this);
}
verify<MySQLErr>(!mysql_set_character_set(this, "utf8"), "Setting char set", this);
}
MySQLConn::~MySQLConn()
{
mysql_close(this);
}
void
MySQLConn::query(const char * const q)
{
verify<MySQLErr>(!mysql_query(this, q), q, this);
}
void
MySQLConn::query(const char * const q, const std::initializer_list<DbValue> & vs)
{
StmtPtr stmt {mysql_stmt_init(this), &mysql_stmt_close};
verify<MySQLErr>(!mysql_stmt_prepare(stmt.get(), q, strlen(q)), q, this);
verify<std::logic_error>(mysql_stmt_param_count(stmt.get()) == vs.size(), "Param count mismatch");
Bindings b {vs};
verify<std::logic_error>(!mysql_stmt_bind_param(stmt.get(), b.binds.data()), "Param count mismatch");
verify<MySQLErr>(!mysql_stmt_execute(stmt.get()), q, this);
}
DbPrepStmtPtr
MySQLConn::prepare(const char * const q, std::size_t)
{
return std::make_unique<MySQLPrepStmt>(q, this);
}
void
MySQLConn::beginTx()
{
verify<MySQLErr>(!mysql_autocommit(this, false), "Auto commit off", this);
}
void
MySQLConn::commitTx()
{
verify<MySQLErr>(!mysql_commit(this), "Commit", this);
verify<MySQLErr>(!mysql_autocommit(this, true), "Auto commit on", this);
}
void
MySQLConn::rollbackTx()
{
verify<MySQLErr>(!mysql_rollback(this), "Rollback", this);
verify<MySQLErr>(!mysql_autocommit(this, true), "Auto commit on", this);
}
}
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