8fc5bdc2f1
The setting up and the initialization of the query classifier has now been separated. The gateway explicitly sets up the query classifier (i.e. chooses which one to use and what arguments to provide), but the actual initialization is performed as part of the general module initialization.
150 lines
2.8 KiB
C++
150 lines
2.8 KiB
C++
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl.
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*
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* Change Date: 2019-07-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#define MXS_MODULE_NAME "qc_sqlite"
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#include <maxscale/modules.h>
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#include <maxscale/query_classifier.h>
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qc_parse_result_t qc_parse(GWBUF* querybuf)
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{
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return QC_QUERY_INVALID;
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}
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uint32_t qc_get_type(GWBUF* querybuf)
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{
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return QUERY_TYPE_UNKNOWN;
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}
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char** qc_get_table_names(GWBUF* querybuf, int* tblsize, bool fullnames)
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{
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*tblsize = 0;
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return NULL;
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}
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char* qc_get_created_table_name(GWBUF* querybuf)
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{
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return NULL;
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}
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bool qc_is_real_query(GWBUF* querybuf)
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{
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return false;
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}
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bool qc_is_drop_table_query(GWBUF* querybuf)
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{
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return false;
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}
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bool qc_query_has_clause(GWBUF* buf)
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{
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return false;
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}
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char** qc_get_database_names(GWBUF* querybuf, int* size)
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{
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*size = 0;
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return NULL;
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}
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qc_query_op_t qc_get_operation(GWBUF* querybuf)
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{
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return QUERY_OP_UNDEFINED;
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}
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char* qc_sqlite_get_prepare_name(GWBUF* query)
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{
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return NULL;
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}
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qc_query_op_t qc_sqlite_get_prepare_operation(GWBUF* query)
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{
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return QUERY_OP_UNDEFINED;
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}
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void qc_sqlite_get_field_info(GWBUF* query, const QC_FIELD_INFO** infos, size_t* n_infos)
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{
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*infos = NULL;
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*n_infos = 0;
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}
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bool qc_setup(const char* args)
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{
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return true;
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}
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int qc_dummy_process_init(void)
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{
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return 0;
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}
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void qc_dummy_process_end(void)
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{
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}
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int qc_dummy_thread_init(void)
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{
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return 0;
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}
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void qc_dummy_thread_end(void)
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{
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}
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extern "C"
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{
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MXS_MODULE* MXS_CREATE_MODULE()
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{
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static QUERY_CLASSIFIER qc =
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{
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qc_setup,
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qc_dummy_process_init,
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qc_dummy_process_end,
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qc_dummy_thread_init,
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qc_dummy_thread_end,
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qc_parse,
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qc_get_type,
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qc_get_operation,
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qc_get_created_table_name,
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qc_is_drop_table_query,
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qc_is_real_query,
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qc_get_table_names,
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NULL,
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qc_query_has_clause,
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qc_get_database_names,
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qc_get_prepare_name,
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qc_get_prepare_operation,
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qc_get_field_info,
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};
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static MXS_MODULE info =
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{
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MXS_MODULE_API_QUERY_CLASSIFIER,
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MXS_MODULE_IN_DEVELOPMENT,
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QUERY_CLASSIFIER_VERSION,
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"Dummy Query Classifier",
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"V1.0.0",
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&qc,
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qc_dummy_process_init,
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qc_dummy_process_end,
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qc_dummy_thread_init,
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qc_dummy_thread_end,
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{
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{MXS_END_MODULE_PARAMS}
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}
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};
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return &info;
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}
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}
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