mirror of
https://github.com/ClickHouse/ClickHouse.git
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b7ef5a699c
* Get rid of non-existent vectorclass * Move FastMemcpy to contribs * Restore comments * Disable FastMemcpy on non-Linux * Fix cmake file * Don't build FastMemcpy for ARM64 * Replace FastMemcpy submodule with its contents * Fix cmake file * Move widechar_width to contrib/ * Move sumbur to contrib/ * Move consistent-hashing to contrib/ * Fix UBSan tests
105 lines
2.0 KiB
C++
105 lines
2.0 KiB
C++
#if __has_include(<mysql.h>)
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#include <mysql.h>
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#else
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#include <mysql/mysql.h>
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#endif
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#include <mysqlxx/Connection.h>
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#include <mysqlxx/Query.h>
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namespace mysqlxx
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{
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Query::Query(Connection * conn_, const std::string & query_string) : std::ostream(nullptr), conn(conn_)
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{
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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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init(&query_buf);
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if (!query_string.empty())
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{
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query_buf.str(query_string);
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seekp(0, std::ios::end);
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}
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imbue(std::locale::classic());
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}
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Query::Query(const Query & other) : std::ostream(nullptr), conn(other.conn)
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{
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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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init(&query_buf);
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imbue(std::locale::classic());
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*this << other.str();
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}
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Query & Query::operator= (const Query & other)
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{
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if (this == &other)
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return *this;
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conn = other.conn;
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seekp(0);
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clear();
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*this << other.str();
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return *this;
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}
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Query::~Query()
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{
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mysql_thread_end();
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}
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void Query::reset()
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{
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seekp(0);
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clear();
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query_buf.str("");
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}
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void Query::executeImpl()
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{
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std::string query_string = query_buf.str();
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if (mysql_real_query(conn->getDriver(), query_string.data(), query_string.size()))
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throw BadQuery(errorMessage(conn->getDriver()), mysql_errno(conn->getDriver()));
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}
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UseQueryResult Query::use()
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{
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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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return UseQueryResult(res, conn, this);
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}
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StoreQueryResult Query::store()
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{
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executeImpl();
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MYSQL_RES * res = mysql_store_result(conn->getDriver());
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if (!res)
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checkError(conn->getDriver());
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return StoreQueryResult(res, conn, this);
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}
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void Query::execute()
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{
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executeImpl();
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}
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UInt64 Query::insertID()
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{
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return mysql_insert_id(conn->getDriver());
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}
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}
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