2019-09-24 22:28:59 +00:00
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#if __has_include(<mysql.h>)
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2021-02-27 08:18:28 +00:00
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#include <errmsg.h>
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2019-09-24 22:28:59 +00:00
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#include <mysql.h>
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2018-07-25 11:29:26 +00:00
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#else
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2021-06-21 19:23:13 +00:00
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#include <mysql/errmsg.h> //Y_IGNORE
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2017-01-24 21:07:08 +00:00
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#include <mysql/mysql.h>
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2018-07-25 11:29:26 +00:00
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#endif
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2017-04-19 00:25:57 +00:00
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2021-02-27 08:18:28 +00:00
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#include <Poco/Logger.h>
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2011-03-03 19:57:34 +00:00
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#include <mysqlxx/Connection.h>
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#include <mysqlxx/Query.h>
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2021-02-27 08:18:28 +00:00
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#include <mysqlxx/Types.h>
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2011-03-03 19:57:34 +00:00
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namespace mysqlxx
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{
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2020-05-09 23:31:44 +00:00
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Query::Query(Connection * conn_, const std::string & query_string) : conn(conn_)
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2011-03-03 19:57:34 +00:00
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{
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2017-04-01 07:20:54 +00:00
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/// Важно в случае, если Query используется не из того же потока, что Connection.
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mysql_thread_init();
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2016-12-12 06:45:46 +00:00
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2017-04-01 07:20:54 +00:00
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if (!query_string.empty())
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2020-05-09 23:31:44 +00:00
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query_buf << query_string;
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2011-03-10 20:31:02 +00:00
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2020-05-09 23:31:44 +00:00
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query_buf.imbue(std::locale::classic());
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2011-03-03 19:57:34 +00:00
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}
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2020-05-09 23:31:44 +00:00
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Query::Query(const Query & other) : conn(other.conn)
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2011-03-03 19:57:34 +00:00
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{
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2017-04-01 07:20:54 +00:00
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/// Важно в случае, если Query используется не из того же потока, что Connection.
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mysql_thread_init();
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2016-12-12 06:45:46 +00:00
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2020-05-09 23:31:44 +00:00
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query_buf.imbue(std::locale::classic());
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2011-03-16 20:33:39 +00:00
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2017-04-01 07:20:54 +00:00
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*this << other.str();
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2011-03-03 19:57:34 +00:00
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}
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2011-03-05 20:47:46 +00:00
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Query & Query::operator= (const Query & other)
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{
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2019-04-22 16:07:09 +00:00
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if (this == &other)
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return *this;
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2017-04-01 07:20:54 +00:00
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conn = other.conn;
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2011-03-10 20:31:02 +00:00
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2020-05-09 23:31:44 +00:00
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query_buf.str(other.str());
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2016-12-12 06:45:46 +00:00
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2017-04-01 07:20:54 +00:00
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return *this;
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2011-03-05 20:47:46 +00:00
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}
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2011-11-30 19:14:06 +00:00
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Query::~Query()
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{
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2017-04-01 07:20:54 +00:00
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mysql_thread_end();
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2011-11-30 19:14:06 +00:00
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}
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2011-03-03 19:57:34 +00:00
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void Query::reset()
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{
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2020-05-09 23:31:44 +00:00
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query_buf.str({});
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2011-03-03 19:57:34 +00:00
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}
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2011-03-15 20:56:42 +00:00
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void Query::executeImpl()
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2011-03-03 19:57:34 +00:00
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{
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2017-04-01 07:20:54 +00:00
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std::string query_string = query_buf.str();
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2021-02-27 08:18:28 +00:00
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MYSQL* mysql_driver = conn->getDriver();
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auto & logger = Poco::Logger::get("mysqlxx::Query");
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logger.trace("Running MySQL query using connection %lu", mysql_thread_id(mysql_driver));
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if (mysql_real_query(mysql_driver, query_string.data(), query_string.size()))
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{
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const auto err_no = mysql_errno(mysql_driver);
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switch (err_no)
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{
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case CR_SERVER_GONE_ERROR:
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[[fallthrough]];
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case CR_SERVER_LOST:
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throw ConnectionLost(errorMessage(mysql_driver), err_no);
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default:
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2021-09-28 22:17:26 +00:00
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throw BadQuery(errorMessage(mysql_driver), err_no);
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2021-02-27 08:18:28 +00:00
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}
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}
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2011-03-03 19:57:34 +00:00
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}
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UseQueryResult Query::use()
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{
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2017-04-01 07:20:54 +00:00
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executeImpl();
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MYSQL_RES * res = mysql_use_result(conn->getDriver());
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if (!res)
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onError(conn->getDriver());
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2011-03-03 19:57:34 +00:00
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2017-04-01 07:20:54 +00:00
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return UseQueryResult(res, conn, this);
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2011-03-03 19:57:34 +00:00
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}
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2011-03-15 20:56:42 +00:00
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void Query::execute()
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{
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2017-04-01 07:20:54 +00:00
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executeImpl();
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2011-03-15 20:56:42 +00:00
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}
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2011-03-05 16:56:30 +00:00
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UInt64 Query::insertID()
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{
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2017-04-01 07:20:54 +00:00
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return mysql_insert_id(conn->getDriver());
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2011-03-05 16:56:30 +00:00
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}
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2011-03-03 19:57:34 +00:00
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}
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