Files
MaxScale/query_classifier/query_classifier.h
vraatikka f32cfe8546 query_classifier.cc
resolve_query_type, traverse through the list of items of thd->free_list, identify functions and reason query type according to the function type. This phase can only increase the restrictiviness level of the query.

query_classifier.h
        Added new query type QUERY_TYPE_LOCAL_READ, for functions that can be executed in Maxscale. This type is the least restrict
ive query type. It is not used currently.

testmain.c
	Added a few test cases and fixed expected return values for query type tests.

readwritesplit.c
	polish

skygw_debug.h
	Added string macro for Item types.
2013-10-25 11:55:45 +03:00

48 lines
1.4 KiB
C

/*
This file is distributed as part of the SkySQL Gateway. It is free
software: you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation,
version 2.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Copyright SkySQL Ab
*/
/** getpid */
#include <unistd.h>
#include "../utils/skygw_utils.h"
EXTERN_C_BLOCK_BEGIN
/**
* Query type for skygateway.
* The meaninful difference is where operation is done and whether master data
* is modified
*/
typedef enum {
QUERY_TYPE_UNKNOWN = 7, /*!< Couln't find out or parse error */
QUERY_TYPE_LOCAL_READ, /*!< Read non-database data, execute in MaxScale */
QUERY_TYPE_READ, /*!< No updates */
QUERY_TYPE_WRITE, /*!< Master data will be modified */
QUERY_TYPE_SESSION_WRITE /*!< Session data will be modified */
} skygw_query_type_t;
skygw_query_type_t skygw_query_classifier_get_type(
const char* query_str,
unsigned long client_flags);
EXTERN_C_BLOCK_END