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MXS-852: Track COM_STMT_EXECUTE by statement ID

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The COM_STMT_EXECUTE targets are now tracked per statement ID. This should
theoretically allow parallel execution of COM_STMT_EXECUTE commands that
use cursors but the current implementation of the reply state processing
does not yet allow it.
This commit is contained in:
Markus Mäkelä
2017-06-23 12:47:33 +03:00
parent 40120264e7
commit 296c1001a2
4 changed files with 30 additions and 14 deletions
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6
server/modules/routing/readwritesplit/readwritesplit.cc
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@ -933,9 +933,9 @@ static int routeQuery(MXS_ROUTER *instance, MXS_ROUTER_SESSION *router_session,
ss_dassert(rses->expected_responses || rses->query_queue);
/** We are already processing a request from the client. Store the
* new query and wait for the previous one to complete. */
MXS_DEBUG("Storing query (len: %d cmd: %0x), expecting %d replies",
gwbuf_length(querybuf), GWBUF_DATA(querybuf)[4],
rses->expected_responses);
MXS_INFO("Storing query (len: %d cmd: %0x), expecting %d replies to current command",
gwbuf_length(querybuf), GWBUF_DATA(querybuf)[4],
rses->expected_responses);
rses->query_queue = gwbuf_append(rses->query_queue, querybuf);
querybuf = NULL;
rval = 1;