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MXS-1203: Better handling of batch queries

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When batched queries are done through readwritesplit, it will now handle
them one by one. This allows batched queries to be used with
readwritesplit but it does impose a performance penalty when compared to
direct execution on the backend.
This commit is contained in:
Markus Mäkelä
2017-03-31 14:00:20 +03:00
parent a8b42d24b7
commit 66cf571412
9 changed files with 266 additions and 108 deletions
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2
server/modules/protocol/MySQL/MySQLBackend/mysql_backend.c
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@ -756,7 +756,7 @@ gw_read_and_write(DCB *dcb)
* If protocol has session command set, concatenate whole
* response into one buffer.
*/
if (protocol_get_srv_command((MySQLProtocol *)dcb->protocol, false) != MYSQL_COM_UNDEFINED)
if (protocol_get_srv_command((MySQLProtocol *)dcb->protocol, true) != MYSQL_COM_UNDEFINED)
{
stmt = process_response_data(dcb, &read_buffer, gwbuf_length(read_buffer));
/**