/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * 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. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef TDENGINE_TAOS_H #define TDENGINE_TAOS_H #include #include #ifdef __cplusplus extern "C" { #endif typedef void TAOS; typedef void TAOS_STMT; typedef void TAOS_RES; typedef void TAOS_STREAM; typedef void TAOS_SUB; typedef void **TAOS_ROW; // Data type definition #define TSDB_DATA_TYPE_NULL 0 // 1 bytes #define TSDB_DATA_TYPE_BOOL 1 // 1 bytes #define TSDB_DATA_TYPE_TINYINT 2 // 1 byte #define TSDB_DATA_TYPE_SMALLINT 3 // 2 bytes #define TSDB_DATA_TYPE_INT 4 // 4 bytes #define TSDB_DATA_TYPE_BIGINT 5 // 8 bytes #define TSDB_DATA_TYPE_FLOAT 6 // 4 bytes #define TSDB_DATA_TYPE_DOUBLE 7 // 8 bytes #define TSDB_DATA_TYPE_BINARY 8 // string #define TSDB_DATA_TYPE_TIMESTAMP 9 // 8 bytes #define TSDB_DATA_TYPE_NCHAR 10 // unicode string #define TSDB_DATA_TYPE_UTINYINT 11 // 1 byte #define TSDB_DATA_TYPE_USMALLINT 12 // 2 bytes #define TSDB_DATA_TYPE_UINT 13 // 4 bytes #define TSDB_DATA_TYPE_UBIGINT 14 // 8 bytes typedef enum { TSDB_OPTION_LOCALE, TSDB_OPTION_CHARSET, TSDB_OPTION_TIMEZONE, TSDB_OPTION_CONFIGDIR, TSDB_OPTION_SHELL_ACTIVITY_TIMER, TSDB_MAX_OPTIONS } TSDB_OPTION; typedef struct taosField { char name[65]; uint8_t type; int16_t bytes; } TAOS_FIELD; typedef enum { SET_CONF_RET_SUCC = 0, SET_CONF_RET_ERR_PART = -1, SET_CONF_RET_ERR_INNER = -2, SET_CONF_RET_ERR_JSON_INVALID = -3, SET_CONF_RET_ERR_JSON_PARSE = -4, SET_CONF_RET_ERR_ONLY_ONCE = -5, SET_CONF_RET_ERR_TOO_LONG = -6 } SET_CONF_RET_CODE; #define RET_MSG_LENGTH 1024 typedef struct setConfRet { SET_CONF_RET_CODE retCode; char retMsg[RET_MSG_LENGTH]; } setConfRet; #ifdef _TD_GO_DLL_ #define DLL_EXPORT __declspec(dllexport) #else #define DLL_EXPORT #endif DLL_EXPORT int taos_init(); DLL_EXPORT void taos_cleanup(void); DLL_EXPORT int taos_options(TSDB_OPTION option, const void *arg, ...); DLL_EXPORT setConfRet taos_set_config(const char *config); DLL_EXPORT TAOS *taos_connect(const char *ip, const char *user, const char *pass, const char *db, uint16_t port); DLL_EXPORT TAOS *taos_connect_auth(const char *ip, const char *user, const char *auth, const char *db, uint16_t port); DLL_EXPORT void taos_close(TAOS *taos); const char *taos_data_type(int type); typedef struct TAOS_BIND { int buffer_type; void * buffer; uintptr_t buffer_length; // unused uintptr_t *length; int * is_null; int is_unsigned; // unused int * error; // unused union { int64_t ts; int8_t b; int8_t v1; int16_t v2; int32_t v4; int64_t v8; float f4; double f8; unsigned char *bin; char *nchar; } u; unsigned int allocated; } TAOS_BIND; typedef struct TAOS_MULTI_BIND { int buffer_type; void *buffer; uintptr_t buffer_length; int32_t *length; char *is_null; int num; } TAOS_MULTI_BIND; DLL_EXPORT TAOS_STMT *taos_stmt_init(TAOS *taos); DLL_EXPORT int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length); DLL_EXPORT int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags); DLL_EXPORT int taos_stmt_set_tbname(TAOS_STMT* stmt, const char* name); DLL_EXPORT int taos_stmt_set_sub_tbname(TAOS_STMT* stmt, const char* name); DLL_EXPORT int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert); DLL_EXPORT int taos_stmt_num_params(TAOS_STMT *stmt, int *nums); DLL_EXPORT int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes); DLL_EXPORT int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND *bind); DLL_EXPORT int taos_stmt_bind_param_batch(TAOS_STMT* stmt, TAOS_MULTI_BIND* bind); DLL_EXPORT int taos_stmt_bind_single_param_batch(TAOS_STMT* stmt, TAOS_MULTI_BIND* bind, int colIdx); DLL_EXPORT int taos_stmt_add_batch(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_execute(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_affected_rows(TAOS_STMT *stmt); DLL_EXPORT TAOS_RES * taos_stmt_use_result(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_close(TAOS_STMT *stmt); DLL_EXPORT char * taos_stmt_errstr(TAOS_STMT *stmt); DLL_EXPORT TAOS_RES *taos_query(TAOS *taos, const char *sql); DLL_EXPORT TAOS_ROW taos_fetch_row(TAOS_RES *res); DLL_EXPORT int taos_result_precision(TAOS_RES *res); // get the time precision of result DLL_EXPORT void taos_free_result(TAOS_RES *res); DLL_EXPORT int taos_field_count(TAOS_RES *res); DLL_EXPORT int taos_num_fields(TAOS_RES *res); DLL_EXPORT int taos_affected_rows(TAOS_RES *res); DLL_EXPORT TAOS_FIELD *taos_fetch_fields(TAOS_RES *res); DLL_EXPORT int taos_select_db(TAOS *taos, const char *db); DLL_EXPORT int taos_print_row(char *str, TAOS_ROW row, TAOS_FIELD *fields, int num_fields); DLL_EXPORT void taos_stop_query(TAOS_RES *res); DLL_EXPORT bool taos_is_null(TAOS_RES *res, int32_t row, int32_t col); DLL_EXPORT int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows); DLL_EXPORT int taos_validate_sql(TAOS *taos, const char *sql); DLL_EXPORT int* taos_fetch_lengths(TAOS_RES *res); // TAOS_RES *taos_list_tables(TAOS *mysql, const char *wild); // TAOS_RES *taos_list_dbs(TAOS *mysql, const char *wild); // TODO: the return value should be `const` DLL_EXPORT char *taos_get_server_info(TAOS *taos); DLL_EXPORT char *taos_get_client_info(); DLL_EXPORT char *taos_errstr(TAOS_RES *tres); DLL_EXPORT int taos_errno(TAOS_RES *tres); DLL_EXPORT void taos_query_a(TAOS *taos, const char *sql, void (*fp)(void *param, TAOS_RES *, int code), void *param); DLL_EXPORT void taos_fetch_rows_a(TAOS_RES *res, void (*fp)(void *param, TAOS_RES *, int numOfRows), void *param); //DLL_EXPORT void taos_fetch_row_a(TAOS_RES *res, void (*fp)(void *param, TAOS_RES *, TAOS_ROW row), void *param); typedef void (*TAOS_SUBSCRIBE_CALLBACK)(TAOS_SUB* tsub, TAOS_RES *res, void* param, int code); DLL_EXPORT TAOS_SUB *taos_subscribe(TAOS* taos, int restart, const char* topic, const char *sql, TAOS_SUBSCRIBE_CALLBACK fp, void *param, int interval); DLL_EXPORT TAOS_RES *taos_consume(TAOS_SUB *tsub); DLL_EXPORT void taos_unsubscribe(TAOS_SUB *tsub, int keepProgress); DLL_EXPORT TAOS_STREAM *taos_open_stream(TAOS *taos, const char *sql, void (*fp)(void *param, TAOS_RES *, TAOS_ROW row), int64_t stime, void *param, void (*callback)(void *)); DLL_EXPORT void taos_close_stream(TAOS_STREAM *tstr); DLL_EXPORT int taos_load_table_info(TAOS *taos, const char* tableNameList); DLL_EXPORT int taos_schemaless_insert(TAOS* taos, char* lines[], int numLines, int protocol, char* precision); #ifdef __cplusplus } #endif #endif