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Fix SQLCancel not going through proxy #135

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merged 3 commits into from
Apr 12, 2023
Merged

Fix SQLCancel not going through proxy #135

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558dc9f
fix SQLCancel not going through proxy
yanw-bq Apr 12, 2023
7875e40
cleanup ds during dbc clone
yanw-bq Apr 12, 2023
f0fafe6
spacing
yanw-bq Apr 12, 2023
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15 changes: 7 additions & 8 deletions driver/execute.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1976,13 +1976,11 @@ SQLRETURN SQL_API SQLCancel(SQLHSTMT hstmt)
interfere with the existing one. Therefore, locking is not needed in
the following block.
*/
second= mysql_init(second);
auto host = std::make_shared<HOST_INFO>((const char*)dbc->ds->server8, dbc->ds->port);
CONNECTION_PROXY* proxy = dbc->connection_handler->connect(host, dbc->ds);

/** @todo need to preserve and use ssl params */

if (!mysql_real_connect(second, (const char*)dbc->ds->server8, (const char*)dbc->ds->uid8,
(const char*)dbc->ds->pwd8, NULL, dbc->ds->port,
(const char*)dbc->ds->socket8, 0))
if (!proxy)
{
/* We do not set the SQLSTATE here, per the ODBC spec. */
return SQL_ERROR;
Expand All @@ -1992,15 +1990,16 @@ SQLRETURN SQL_API SQLCancel(SQLHSTMT hstmt)
char buff[40];
/* buff is always big enough because max length of %lu is 15 */
snprintf(buff, sizeof(buff), "KILL /*!50000 QUERY */ %lu", dbc->connection_proxy->thread_id());
if (mysql_real_query(second, buff, strlen(buff)))
if (proxy->real_query(buff, strlen(buff)))
{
mysql_close(second);
proxy->close();
/* We do not set the SQLSTATE here, per the ODBC spec. */
return SQL_ERROR;
}
}

mysql_close(second);
proxy->delete_ds();
delete proxy;

return SQL_SUCCESS;
}