Files
MaxScale/query_classifier/qc_dummy/qc_dummy.cc
2017-03-22 15:20:21 +02:00

165 lines
3.7 KiB
C++

/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2019-07-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#define MXS_MODULE_NAME "qc_sqlite"
#include <maxscale/query_classifier.h>
#include "../../server/core/maxscale/config.h"
int32_t qc_dummy_parse(GWBUF* querybuf, uint32_t collect, int32_t* pResult)
{
*pResult = QC_QUERY_INVALID;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_type_mask(GWBUF* querybuf, uint32_t* pType_mask)
{
*pType_mask = QUERY_TYPE_UNKNOWN;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_table_names(GWBUF* querybuf, int32_t fullnames, char*** ppzNames, int32_t* pSize)
{
*ppzNames = NULL;
*pSize = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_created_table_name(GWBUF* querybuf, char** pzName)
{
*pzName = NULL;
return QC_RESULT_OK;
}
int32_t qc_dummy_is_drop_table_query(GWBUF* querybuf, int32_t* pIs_drop_table)
{
*pIs_drop_table = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_query_has_clause(GWBUF* buf, int32_t *pHas_clause)
{
*pHas_clause = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_database_names(GWBUF* querybuf, char*** ppzNames, int32_t* pSize)
{
*ppzNames = NULL;
*pSize = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_operation(GWBUF* querybuf, int32_t* pOp)
{
*pOp = QUERY_OP_UNDEFINED;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_prepare_name(GWBUF* query, char** pzName)
{
*pzName = NULL;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_field_info(GWBUF* query, const QC_FIELD_INFO** ppInfos, uint32_t* nInfos)
{
*ppInfos = NULL;
*nInfos = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_get_function_info(GWBUF* query, const QC_FUNCTION_INFO** ppInfos, uint32_t* nInfos)
{
*ppInfos = NULL;
*nInfos = 0;
return QC_RESULT_OK;
}
int32_t qc_dummy_setup(const char* args)
{
return QC_RESULT_OK;
}
int32_t qc_dummy_process_init(void)
{
return QC_RESULT_OK;
}
void qc_dummy_process_end(void)
{
}
int32_t qc_dummy_thread_init(void)
{
return QC_RESULT_OK;
}
void qc_dummy_thread_end(void)
{
}
int32_t qc_dummy_get_preparable_stmt(GWBUF* stmt, GWBUF** preparable_stmt)
{
*preparable_stmt = NULL;
return QC_RESULT_OK;
}
extern "C"
{
MXS_MODULE* MXS_CREATE_MODULE()
{
static QUERY_CLASSIFIER qc =
{
qc_dummy_setup,
qc_dummy_process_init,
qc_dummy_process_end,
qc_dummy_thread_init,
qc_dummy_thread_end,
qc_dummy_parse,
qc_dummy_get_type_mask,
qc_dummy_get_operation,
qc_dummy_get_created_table_name,
qc_dummy_is_drop_table_query,
qc_dummy_get_table_names,
NULL,
qc_dummy_query_has_clause,
qc_dummy_get_database_names,
qc_dummy_get_prepare_name,
qc_dummy_get_field_info,
qc_dummy_get_function_info,
qc_dummy_get_preparable_stmt,
};
static MXS_MODULE info =
{
MXS_MODULE_API_QUERY_CLASSIFIER,
MXS_MODULE_IN_DEVELOPMENT,
QUERY_CLASSIFIER_VERSION,
"Dummy Query Classifier",
"V1.0.0",
MXS_NO_MODULE_CAPABILITIES,
&qc,
qc_dummy_process_init,
qc_dummy_process_end,
qc_dummy_thread_init,
qc_dummy_thread_end,
{
{MXS_END_MODULE_PARAMS}
}
};
return &info;
}
}