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Integrate the temporary tables into the router session

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Removed the temporary table router property and moved the set of tables
into the router session.
This commit is contained in:
Markus Mäkelä
2017-06-13 12:46:32 +03:00
parent dfc1d0a413
commit 1ffe04571c
3 changed files with 9 additions and 22 deletions
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10
server/modules/routing/readwritesplit/readwritesplit.cc
View File

@ -237,10 +237,6 @@ void rses_property_done(rses_property_t *prop)
mysql_sescmd_done(&prop->rses_prop_data.sescmd);
break;
case RSES_PROP_TYPE_TMPTABLES:
// Nothing to do
break;
default:
MXS_DEBUG("%lu [rses_property_done] Unknown property type %d "
"in property %p", pthread_self(), prop->rses_prop_type, prop);
@ -1019,21 +1015,17 @@ static MXS_ROUTER_SESSION *newSession(MXS_ROUTER *router_inst, MXS_SESSION *sess
{
ROUTER_INSTANCE* router = (ROUTER_INSTANCE*)router_inst;
ROUTER_CLIENT_SES* client_rses = new (std::nothrow) ROUTER_CLIENT_SES;
rses_property_t* prop = rses_property_init(RSES_PROP_TYPE_TMPTABLES);
if (client_rses == NULL || prop == NULL)
if (client_rses == NULL)
{
delete client_rses;
delete prop;
return NULL;
}
prop->rses_prop_rsession = client_rses;
client_rses->rses_chk_top = CHK_NUM_ROUTER_SES;
client_rses->rses_chk_tail = CHK_NUM_ROUTER_SES;
client_rses->rses_closed = false;
client_rses->rses_properties[RSES_PROP_TYPE_SESCMD] = NULL;
client_rses->rses_properties[RSES_PROP_TYPE_TMPTABLES] = prop;
client_rses->router = router;
client_rses->client_dcb = session->client_dcb;
client_rses->have_tmp_tables = false;

9
server/modules/routing/readwritesplit/readwritesplit.hh
View File

@ -61,8 +61,7 @@ enum rses_property_type_t
RSES_PROP_TYPE_UNDEFINED = -1,
RSES_PROP_TYPE_SESCMD = 0,
RSES_PROP_TYPE_FIRST = RSES_PROP_TYPE_SESCMD,
RSES_PROP_TYPE_TMPTABLES,
RSES_PROP_TYPE_LAST = RSES_PROP_TYPE_TMPTABLES,
RSES_PROP_TYPE_LAST = RSES_PROP_TYPE_SESCMD,
RSES_PROP_TYPE_COUNT = RSES_PROP_TYPE_LAST + 1
};
@ -156,8 +155,6 @@ struct mysql_sescmd_t
skygw_chk_t my_sescmd_chk_tail;
};
typedef std::tr1::unordered_set<std::string> TableSet;
/**
* Property structure
*/
@ -171,7 +168,6 @@ struct rses_property_t
struct rses_prop_data // TODO: Remove the properties and integrate them into the session object
{
mysql_sescmd_t sescmd;
TableSet temp_tables;
} rses_prop_data;
rses_property_t* rses_prop_next; /**< next property of same type */
skygw_chk_t rses_prop_chk_tail;
@ -238,6 +234,8 @@ struct rwsplit_config_t
* been idle for too long */
};
typedef std::tr1::unordered_set<std::string> TableSet;
/**
* The client session structure used within this router.
*/
@ -261,6 +259,7 @@ struct ROUTER_CLIENT_SES
GWBUF* query_queue; /**< Queued commands waiting to be executed */
struct ROUTER_INSTANCE *router; /**< The router instance */
struct ROUTER_CLIENT_SES *next;
TableSet temp_tables; /**< Set of temporary tables */
skygw_chk_t rses_chk_tail;
};

12
server/modules/routing/readwritesplit/rwsplit_tmp_table_multi.cc
View File

@ -63,8 +63,7 @@ void check_drop_tmp_table(ROUTER_CLIENT_SES *router_cli_ses, GWBUF *querybuf)
table += info[i].table;
}
rses_property_t* prop = router_cli_ses->rses_properties[RSES_PROP_TYPE_TMPTABLES];
prop->rses_prop_data.temp_tables.erase(table);
router_cli_ses->temp_tables.erase(table);
}
}
}
@ -104,10 +103,8 @@ bool is_read_tmp_table(ROUTER_CLIENT_SES *router_cli_ses,
table += info[i].table;
}
rses_property_t* prop = router_cli_ses->rses_properties[RSES_PROP_TYPE_TMPTABLES];
if (prop->rses_prop_data.temp_tables.find(table) !=
prop->rses_prop_data.temp_tables.end())
if (router_cli_ses->temp_tables.find(table) !=
router_cli_ses->temp_tables.end())
{
rval = true;
MXS_INFO("Query targets a temporary table: %s", table.c_str());
@ -149,8 +146,7 @@ void check_create_tmp_table(ROUTER_CLIENT_SES *router_cli_ses,
}
/** Add the table to the set of temporary tables */
rses_property_t* prop = router_cli_ses->rses_properties[RSES_PROP_TYPE_TMPTABLES];
prop->rses_prop_data.temp_tables.insert(table);
router_cli_ses->temp_tables.insert(table);
MXS_FREE(tblname);
}