Merge branch '2.0' into develop

This commit is contained in:
Johan Wikman
2016-11-21 10:55:56 +02:00
22 changed files with 570 additions and 251 deletions

View File

@ -801,8 +801,8 @@ typedef void *(*STATSFUNC)();
*/
static struct
{
char *name;
int type;
char *name;
int type;
STATSFUNC func;
} variables[] =
{
@ -820,10 +820,9 @@ static struct
typedef struct
{
int index;
int index;
char *like;
} VARCONTEXT;
/**
* Callback function to populate rows of the show variable
* command
@ -860,10 +859,14 @@ variable_row(RESULTSET *result, void *data)
(long)(*variables[context->index].func)());
resultset_row_set(row, 1, buf);
break;
default:
ss_dassert(!true);
}
context->index++;
return row;
}
// We only get to this point once all variables have been printed
MXS_FREE(data);
return NULL;
}
@ -909,15 +912,19 @@ RESULTSET *
maxinfo_variables()
{
RESULTSET *result;
static VARCONTEXT context;
context.like = NULL;
context.index = 0;
if ((result = resultset_create(variable_row, &context)) == NULL)
VARCONTEXT *context;
if ((context = MXS_MALLOC(sizeof(VARCONTEXT))) == NULL)
{
return NULL;
}
context->like = NULL;
context->index = 0;
if ((result = resultset_create(variable_row, context)) == NULL)
{
MXS_FREE(context);
return NULL;
}
resultset_add_column(result, "Variable_name", 40, COL_TYPE_VARCHAR);
resultset_add_column(result, "Value", 40, COL_TYPE_VARCHAR);
return result;
@ -1138,10 +1145,14 @@ status_row(RESULTSET *result, void *data)
(long)(*status[context->index].func)());
resultset_row_set(row, 1, buf);
break;
default:
ss_dassert(!true);
}
context->index++;
return row;
}
// We only get to this point once all status elements have been printed
MXS_FREE(data);
return NULL;
}
@ -1186,16 +1197,20 @@ exec_show_status(DCB *dcb, MAXINFO_TREE *filter)
RESULTSET *
maxinfo_status()
{
RESULTSET *result;
static VARCONTEXT context;
context.like = NULL;
context.index = 0;
if ((result = resultset_create(status_row, &context)) == NULL)
RESULTSET *result;
VARCONTEXT *context;
if ((context = MXS_MALLOC(sizeof(VARCONTEXT))) == NULL)
{
return NULL;
}
context->like = NULL;
context->index = 0;
if ((result = resultset_create(status_row, context)) == NULL)
{
MXS_FREE(context);
return NULL;
}
resultset_add_column(result, "Variable_name", 40, COL_TYPE_VARCHAR);
resultset_add_column(result, "Value", 40, COL_TYPE_VARCHAR);
return result;
@ -1220,14 +1235,13 @@ exec_select(DCB *dcb, MAXINFO_TREE *tree)
*
* @param pattern Pattern to match
* @param str String to match against pattern
* @return Zero on match
* @return Zero on match
*/
static int
maxinfo_pattern_match(char *pattern, char *str)
{
int anchor = 0, len, trailing;
char *fixed;
extern char *strcasestr();
if (*pattern != '%')
{

View File

@ -718,7 +718,7 @@ return_succp:
* if the query would otherwise be routed to slave.
*/
route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
qc_query_type_t qtype, HINT *hint)
qc_query_type_t qtype, HINT *hint)
{
bool trx_active = rses->rses_transaction_active;
bool load_active = rses->rses_load_active;
@ -735,9 +735,10 @@ route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
*/
else if (!load_active &&
(qc_query_is_type(qtype, QUERY_TYPE_SESSION_WRITE) ||
/** Configured to allow writing variables to all nodes */
/** Configured to allow writing user variables to all nodes */
(use_sql_variables_in == TYPE_ALL &&
qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_WRITE)) ||
qc_query_is_type(qtype, QUERY_TYPE_USERVAR_WRITE)) ||
qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_WRITE) ||
/** enable or disable autocommit are always routed to all */
qc_query_is_type(qtype, QUERY_TYPE_ENABLE_AUTOCOMMIT) ||
qc_query_is_type(qtype, QUERY_TYPE_DISABLE_AUTOCOMMIT)))
@ -777,44 +778,29 @@ route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
* Hints may affect on routing of the following queries
*/
else if (!trx_active && !load_active &&
!qc_query_is_type(qtype, QUERY_TYPE_MASTER_READ) &&
!qc_query_is_type(qtype, QUERY_TYPE_WRITE) &&
(qc_query_is_type(qtype, QUERY_TYPE_READ) || /*< any SELECT */
qc_query_is_type(qtype, QUERY_TYPE_SHOW_TABLES) || /*< 'SHOW TABLES' */
qc_query_is_type(qtype,
QUERY_TYPE_USERVAR_READ) || /*< read user var */
qc_query_is_type(qtype, QUERY_TYPE_SYSVAR_READ) || /*< read sys var */
qc_query_is_type(qtype,
QUERY_TYPE_EXEC_STMT) || /*< prepared stmt exec */
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_NAMED_STMT) ||
qc_query_is_type(qtype,
QUERY_TYPE_GSYSVAR_READ))) /*< read global sys var */
(qc_query_is_type(qtype, QUERY_TYPE_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SHOW_TABLES) ||
qc_query_is_type(qtype, QUERY_TYPE_USERVAR_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SYSVAR_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_READ)))
{
/** First set expected targets before evaluating hints */
if (!qc_query_is_type(qtype, QUERY_TYPE_MASTER_READ) &&
(qc_query_is_type(qtype, QUERY_TYPE_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SHOW_TABLES) || /*< 'SHOW TABLES' */
/** Configured to allow reading variables from slaves */
(use_sql_variables_in == TYPE_ALL &&
(qc_query_is_type(qtype, QUERY_TYPE_USERVAR_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SYSVAR_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_READ)))))
if (qc_query_is_type(qtype, QUERY_TYPE_USERVAR_READ))
{
if (use_sql_variables_in == TYPE_ALL)
{
target = TARGET_SLAVE;
}
}
else if (qc_query_is_type(qtype, QUERY_TYPE_READ) || // Normal read
qc_query_is_type(qtype, QUERY_TYPE_SHOW_TABLES) || // SHOW TABLES
qc_query_is_type(qtype, QUERY_TYPE_SYSVAR_READ) || // System variable
qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_READ)) // Global system variable
{
target = TARGET_SLAVE;
}
if (qc_query_is_type(qtype, QUERY_TYPE_MASTER_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_EXEC_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_NAMED_STMT) ||
/** Configured not to allow reading variables from slaves */
(use_sql_variables_in == TYPE_MASTER &&
(qc_query_is_type(qtype, QUERY_TYPE_USERVAR_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SYSVAR_READ))))
{
target = TARGET_MASTER;
}
/** If nothing matches then choose the master */
if ((target & (TARGET_ALL | TARGET_SLAVE | TARGET_MASTER)) == 0)
{
@ -823,8 +809,7 @@ route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
}
else
{
/** hints don't affect on routing */
ss_dassert(trx_active ||
ss_dassert(trx_active || load_active ||
(qc_query_is_type(qtype, QUERY_TYPE_WRITE) ||
qc_query_is_type(qtype, QUERY_TYPE_MASTER_READ) ||
qc_query_is_type(qtype, QUERY_TYPE_SESSION_WRITE) ||
@ -836,6 +821,8 @@ route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
use_sql_variables_in == TYPE_MASTER) ||
(qc_query_is_type(qtype, QUERY_TYPE_GSYSVAR_WRITE) &&
use_sql_variables_in == TYPE_MASTER) ||
(qc_query_is_type(qtype, QUERY_TYPE_USERVAR_WRITE) &&
use_sql_variables_in == TYPE_MASTER) ||
qc_query_is_type(qtype, QUERY_TYPE_BEGIN_TRX) ||
qc_query_is_type(qtype, QUERY_TYPE_ENABLE_AUTOCOMMIT) ||
qc_query_is_type(qtype, QUERY_TYPE_DISABLE_AUTOCOMMIT) ||
@ -844,7 +831,10 @@ route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
qc_query_is_type(qtype, QUERY_TYPE_EXEC_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_CREATE_TMP_TABLE) ||
qc_query_is_type(qtype, QUERY_TYPE_READ_TMP_TABLE) ||
qc_query_is_type(qtype, QUERY_TYPE_UNKNOWN)));
qc_query_is_type(qtype, QUERY_TYPE_UNKNOWN)) ||
qc_query_is_type(qtype, QUERY_TYPE_EXEC_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_STMT) ||
qc_query_is_type(qtype, QUERY_TYPE_PREPARE_NAMED_STMT));
target = TARGET_MASTER;
}