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MXS-1776: Fix utility functions

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The COM_STMT_FETCH command will create a response. This was a
readwritesplit-specific interpretation of the command and it was wrong.

Also record the currently executed command event for session commands.
This commit is contained in:
Markus Mäkelä 2018-04-12 09:44:28 +03:00
parent ad5458f0e7
commit fab8477c05
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GPG Key ID: 72D48FCE664F7B19
3 changed files with 4 additions and 3 deletions
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3
server/modules/protocol/MySQL/mysql_common.cc
View File

@ -1657,8 +1657,7 @@ bool mxs_mysql_command_will_respond(uint8_t cmd)
{
return cmd != MXS_COM_STMT_SEND_LONG_DATA &&
cmd != MXS_COM_QUIT &&
cmd != MXS_COM_STMT_CLOSE &&
cmd != MXS_COM_STMT_FETCH;
cmd != MXS_COM_STMT_CLOSE;
}
typedef std::vector< std::pair<SERVER*, uint64_t> > TargetList;

1
server/modules/routing/readwritesplit/readwritesplit.cc
View File

@ -527,6 +527,7 @@ bool reply_is_complete(SRWBackend& backend, GWBUF *buffer)
int n_eof = modutil_count_signal_packets(buffer, 0, &more, &state);
backend->set_large_packet(state.state);
// If the server responded with an error, n_eof > 0
if (n_eof > 0 || backend->consume_fetched_rows(buffer))
{
LOG_RS(backend, REPLY_STATE_DONE);

3
server/modules/routing/readwritesplit/rwsplitsession.cc
View File

@ -30,7 +30,8 @@ RWBackend::~RWBackend()
bool RWBackend::execute_session_command()
{
bool expect_response = mxs_mysql_command_will_respond(next_session_command()->get_command());
m_command = next_session_command()->get_command();
bool expect_response = mxs_mysql_command_will_respond(m_command);
bool rval = mxs::Backend::execute_session_command();
if (rval && expect_response)