try to add query_classifier under skygteway

query_classifier/query_classifier.h

@@ -0,0 +1,45 @@
+/*
+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 whether master data was modified
+ */
+typedef enum {
+    QUERY_TYPE_UNKNOWN = 7,  /*!< Couln't find out or parse error */
+    QUERY_TYPE_WRITE,        /*!< Master data will be  modified */
+    QUERY_TYPE_READ,         /*!< No updates */
+    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
+