/* * 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 . */ #include #include "os.h" #include "taos.h" #include "taosdef.h" #include "taosmsg.h" #include "tglobal.h" #include "tsclient.h" #include "tsdb.h" #include "tutil.h" #define COMMAND_SIZE 65536 //#define DEFAULT_DUMP_FILE "taosdump.sql" int converStringToReadable(char *str, int size, char *buf, int bufsize); int convertNCharToReadable(char *str, int size, char *buf, int bufsize); void taosDumpCharset(FILE *fp); void taosLoadFileCharset(FILE *fp, char *fcharset); typedef struct { short bytes; int8_t type; } SOColInfo; // -------------------------- SHOW DATABASE INTERFACE----------------------- enum _show_db_index { TSDB_SHOW_DB_NAME_INDEX, TSDB_SHOW_DB_CREATED_TIME_INDEX, TSDB_SHOW_DB_NTABLES_INDEX, TSDB_SHOW_DB_VGROUPS_INDEX, TSDB_SHOW_DB_REPLICA_INDEX, TSDB_SHOW_DB_QUORUM_INDEX, TSDB_SHOW_DB_DAYS_INDEX, TSDB_SHOW_DB_KEEP_INDEX, TSDB_SHOW_DB_CACHE_INDEX, TSDB_SHOW_DB_BLOCKS_INDEX, TSDB_SHOW_DB_MINROWS_INDEX, TSDB_SHOW_DB_MAXROWS_INDEX, TSDB_SHOW_DB_WALLEVEL_INDEX, TSDB_SHOW_DB_FSYNC_INDEX, TSDB_SHOW_DB_COMP_INDEX, TSDB_SHOW_DB_PRECISION_INDEX, TSDB_SHOW_DB_UPDATE_INDEX, TSDB_SHOW_DB_STATUS_INDEX, TSDB_MAX_SHOW_DB }; // -----------------------------------------SHOW TABLES CONFIGURE ------------------------------------- enum _show_tables_index { TSDB_SHOW_TABLES_NAME_INDEX, TSDB_SHOW_TABLES_CREATED_TIME_INDEX, TSDB_SHOW_TABLES_COLUMNS_INDEX, TSDB_SHOW_TABLES_METRIC_INDEX, TSDB_SHOW_TABLES_UID_INDEX, TSDB_SHOW_TABLES_TID_INDEX, TSDB_SHOW_TABLES_VGID_INDEX, TSDB_MAX_SHOW_TABLES }; // ---------------------------------- DESCRIBE METRIC CONFIGURE ------------------------------ enum _describe_table_index { TSDB_DESCRIBE_METRIC_FIELD_INDEX, TSDB_DESCRIBE_METRIC_TYPE_INDEX, TSDB_DESCRIBE_METRIC_LENGTH_INDEX, TSDB_DESCRIBE_METRIC_NOTE_INDEX, TSDB_MAX_DESCRIBE_METRIC }; typedef struct { char field[TSDB_COL_NAME_LEN + 1]; char type[16]; int length; char note[128]; } SColDes; typedef struct { char name[TSDB_COL_NAME_LEN + 1]; SColDes cols[]; } STableDef; extern char version[]; typedef struct { char name[TSDB_DB_NAME_LEN + 1]; char create_time[32]; int32_t ntables; int32_t vgroups; int16_t replica; int16_t quorum; int16_t days; char keeplist[32]; //int16_t daysToKeep; //int16_t daysToKeep1; //int16_t daysToKeep2; int32_t cache; //MB int32_t blocks; int32_t minrows; int32_t maxrows; int8_t wallevel; int32_t fsync; int8_t comp; char precision[8]; // time resolution int8_t update; char status[16]; } SDbInfo; typedef struct { char name[TSDB_TABLE_NAME_LEN + 1]; char metric[TSDB_TABLE_NAME_LEN + 1]; } STableRecord; typedef struct { bool isMetric; STableRecord tableRecord; } STableRecordInfo; typedef struct { pthread_t threadID; int32_t threadIndex; int32_t totalThreads; char dbName[TSDB_TABLE_NAME_LEN + 1]; void *taosCon; int64_t rowsOfDumpOut; int64_t tablesOfDumpOut; } SThreadParaObj; typedef struct { int64_t totalRowsOfDumpOut; int64_t totalChildTblsOfDumpOut; int32_t totalSuperTblsOfDumpOut; int32_t totalDatabasesOfDumpOut; } resultStatistics; static int64_t totalDumpOutRows = 0; SDbInfo **dbInfos = NULL; const char *argp_program_version = version; const char *argp_program_bug_address = ""; /* Program documentation. */ static char doc[] = ""; /* "Argp example #4 -- a program with somewhat more complicated\ */ /* options\ */ /* \vThis part of the documentation comes *after* the options;\ */ /* note that the text is automatically filled, but it's possible\ */ /* to force a line-break, e.g.\n<-- here."; */ /* A description of the arguments we accept. */ static char args_doc[] = "dbname [tbname ...]\n--databases dbname ...\n--all-databases\n-i inpath\n-o outpath"; /* Keys for options without short-options. */ #define OPT_ABORT 1 /* –abort */ /* The options we understand. */ static struct argp_option options[] = { // connection option {"host", 'h', "HOST", 0, "Server host dumping data from. Default is localhost.", 0}, {"user", 'u', "USER", 0, "User name used to connect to server. Default is root.", 0}, #ifdef _TD_POWER_ {"password", 'p', "PASSWORD", 0, "User password to connect to server. Default is powerdb.", 0}, #else {"password", 'p', "PASSWORD", 0, "User password to connect to server. Default is taosdata.", 0}, #endif {"port", 'P', "PORT", 0, "Port to connect", 0}, {"cversion", 'v', "CVERION", 0, "client version", 0}, {"mysqlFlag", 'q', "MYSQLFLAG", 0, "mysqlFlag, Default is 0", 0}, // input/output file {"outpath", 'o', "OUTPATH", 0, "Output file path.", 1}, {"inpath", 'i', "INPATH", 0, "Input file path.", 1}, {"resultFile", 'r', "RESULTFILE", 0, "DumpOut/In Result file path and name.", 1}, #ifdef _TD_POWER_ {"config", 'c', "CONFIG_DIR", 0, "Configure directory. Default is /etc/power/taos.cfg.", 1}, #else {"config", 'c', "CONFIG_DIR", 0, "Configure directory. Default is /etc/taos/taos.cfg.", 1}, #endif {"encode", 'e', "ENCODE", 0, "Input file encoding.", 1}, // dump unit options {"all-databases", 'A', 0, 0, "Dump all databases.", 2}, {"databases", 'B', 0, 0, "Dump assigned databases", 2}, // dump format options {"schemaonly", 's', 0, 0, "Only dump schema.", 3}, {"with-property", 'M', 0, 0, "Dump schema with properties.", 3}, {"start-time", 'S', "START_TIME", 0, "Start time to dump.", 3}, {"end-time", 'E', "END_TIME", 0, "End time to dump.", 3}, {"data-batch", 'N', "DATA_BATCH", 0, "Number of data point per insert statement. Default is 1.", 3}, {"max-sql-len", 'L', "SQL_LEN", 0, "Max length of one sql. Default is 65480.", 3}, {"table-batch", 't', "TABLE_BATCH", 0, "Number of table dumpout into one output file. Default is 1.", 3}, {"thread_num", 'T', "THREAD_NUM", 0, "Number of thread for dump in file. Default is 5.", 3}, {"allow-sys", 'a', 0, 0, "Allow to dump sys database", 3}, {0}}; /* Used by main to communicate with parse_opt. */ struct arguments { // connection option char *host; char *user; char *password; uint16_t port; char cversion[12]; uint16_t mysqlFlag; // output file char outpath[TSDB_FILENAME_LEN+1]; char inpath[TSDB_FILENAME_LEN+1]; // result file char *resultFile; char *encode; // dump unit option bool all_databases; bool databases; // dump format option bool schemaonly; bool with_property; int64_t start_time; int64_t end_time; int32_t data_batch; int32_t max_sql_len; int32_t table_batch; // num of table which will be dump into one output file. bool allow_sys; // other options int32_t thread_num; int abort; char **arg_list; int arg_list_len; bool isDumpIn; }; /* Parse a single option. */ static error_t parse_opt(int key, char *arg, struct argp_state *state) { /* Get the input argument from argp_parse, which we know is a pointer to our arguments structure. */ struct arguments *arguments = state->input; wordexp_t full_path; switch (key) { // connection option case 'a': arguments->allow_sys = true; break; case 'h': arguments->host = arg; break; case 'u': arguments->user = arg; break; case 'p': arguments->password = arg; break; case 'P': arguments->port = atoi(arg); break; case 'q': arguments->mysqlFlag = atoi(arg); break; case 'v': if (wordexp(arg, &full_path, 0) != 0) { fprintf(stderr, "Invalid client vesion %s\n", arg); return -1; } tstrncpy(arguments->cversion, full_path.we_wordv[0], 11); wordfree(&full_path); break; // output file path case 'o': if (wordexp(arg, &full_path, 0) != 0) { fprintf(stderr, "Invalid path %s\n", arg); return -1; } tstrncpy(arguments->outpath, full_path.we_wordv[0], TSDB_FILENAME_LEN); wordfree(&full_path); break; case 'i': arguments->isDumpIn = true; if (wordexp(arg, &full_path, 0) != 0) { fprintf(stderr, "Invalid path %s\n", arg); return -1; } tstrncpy(arguments->inpath, full_path.we_wordv[0], TSDB_FILENAME_LEN); wordfree(&full_path); break; case 'r': arguments->resultFile = arg; break; case 'c': if (wordexp(arg, &full_path, 0) != 0) { fprintf(stderr, "Invalid path %s\n", arg); return -1; } tstrncpy(configDir, full_path.we_wordv[0], TSDB_FILENAME_LEN); wordfree(&full_path); break; case 'e': arguments->encode = arg; break; // dump unit option case 'A': arguments->all_databases = true; break; case 'B': arguments->databases = true; break; // dump format option case 's': arguments->schemaonly = true; break; case 'M': arguments->with_property = true; break; case 'S': // parse time here. arguments->start_time = atol(arg); break; case 'E': arguments->end_time = atol(arg); break; case 'N': arguments->data_batch = atoi(arg); break; case 'L': { int32_t len = atoi(arg); if (len > TSDB_MAX_ALLOWED_SQL_LEN) { len = TSDB_MAX_ALLOWED_SQL_LEN; } else if (len < TSDB_MAX_SQL_LEN) { len = TSDB_MAX_SQL_LEN; } arguments->max_sql_len = len; break; } case 't': arguments->table_batch = atoi(arg); break; case 'T': arguments->thread_num = atoi(arg); break; case OPT_ABORT: arguments->abort = 1; break; case ARGP_KEY_ARG: arguments->arg_list = &state->argv[state->next - 1]; arguments->arg_list_len = state->argc - state->next + 1; state->next = state->argc; break; default: return ARGP_ERR_UNKNOWN; } return 0; } /* Our argp parser. */ static struct argp argp = {options, parse_opt, args_doc, doc}; static resultStatistics g_resultStatistics = {0}; static FILE *g_fpOfResult = NULL; int taosDumpOut(struct arguments *arguments); int taosDumpIn(struct arguments *arguments); void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp); int taosDumpDb(SDbInfo *dbInfo, struct arguments *arguments, FILE *fp, TAOS *taosCon); int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName); void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName); void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName); int32_t taosDumpTable(char *table, char *metric, struct arguments *arguments, FILE *fp, TAOS* taosCon, char* dbName); int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName); int taosCheckParam(struct arguments *arguments); void taosFreeDbInfos(); static void taosStartDumpOutWorkThreads(struct arguments* args, int32_t numOfThread, char *dbName); struct arguments tsArguments = { // connection option NULL, "root", #ifdef _TD_POWER_ "powerdb", #else "taosdata", #endif 0, "", 0, // outpath and inpath "", "", "./dump_result.txt", NULL, // dump unit option false, false, // dump format option false, false, 0, INT64_MAX, 1, TSDB_MAX_SQL_LEN, 1, false, // other options 5, 0, NULL, 0, false }; static int queryDbImpl(TAOS *taos, char *command) { int i; TAOS_RES *res = NULL; int32_t code = -1; for (i = 0; i < 5; i++) { if (NULL != res) { taos_free_result(res); res = NULL; } res = taos_query(taos, command); code = taos_errno(res); if (0 == code) { break; } } if (code != 0) { fprintf(stderr, "Failed to run <%s>, reason: %s\n", command, taos_errstr(res)); taos_free_result(res); //taos_close(taos); return -1; } taos_free_result(res); return 0; } int main(int argc, char *argv[]) { /* Parse our arguments; every option seen by parse_opt will be reflected in arguments. */ argp_parse(&argp, argc, argv, 0, 0, &tsArguments); if (tsArguments.abort) { #ifndef _ALPINE error(10, 0, "ABORTED"); #else abort(); #endif } printf("====== arguments config ======\n"); { printf("host: %s\n", tsArguments.host); printf("user: %s\n", tsArguments.user); printf("password: %s\n", tsArguments.password); printf("port: %u\n", tsArguments.port); printf("cversion: %s\n", tsArguments.cversion); printf("mysqlFlag: %d\n", tsArguments.mysqlFlag); printf("outpath: %s\n", tsArguments.outpath); printf("inpath: %s\n", tsArguments.inpath); printf("resultFile: %s\n", tsArguments.resultFile); printf("encode: %s\n", tsArguments.encode); printf("all_databases: %d\n", tsArguments.all_databases); printf("databases: %d\n", tsArguments.databases); printf("schemaonly: %d\n", tsArguments.schemaonly); printf("with_property: %d\n", tsArguments.with_property); printf("start_time: %" PRId64 "\n", tsArguments.start_time); printf("end_time: %" PRId64 "\n", tsArguments.end_time); printf("data_batch: %d\n", tsArguments.data_batch); printf("max_sql_len: %d\n", tsArguments.max_sql_len); printf("table_batch: %d\n", tsArguments.table_batch); printf("thread_num: %d\n", tsArguments.thread_num); printf("allow_sys: %d\n", tsArguments.allow_sys); printf("abort: %d\n", tsArguments.abort); printf("isDumpIn: %d\n", tsArguments.isDumpIn); printf("arg_list_len: %d\n", tsArguments.arg_list_len); for (int32_t i = 0; i < tsArguments.arg_list_len; i++) { printf("arg_list[%d]: %s\n", i, tsArguments.arg_list[i]); } } printf("==============================\n"); if (tsArguments.cversion[0] != 0){ tstrncpy(version, tsArguments.cversion, 11); } if (taosCheckParam(&tsArguments) < 0) { exit(EXIT_FAILURE); } g_fpOfResult = fopen(tsArguments.resultFile, "a"); if (NULL == g_fpOfResult) { fprintf(stderr, "Failed to open %s for save result\n", tsArguments.resultFile); return 1; }; fprintf(g_fpOfResult, "#############################################################################\n"); fprintf(g_fpOfResult, "============================== arguments config =============================\n"); { fprintf(g_fpOfResult, "host: %s\n", tsArguments.host); fprintf(g_fpOfResult, "user: %s\n", tsArguments.user); fprintf(g_fpOfResult, "password: %s\n", tsArguments.password); fprintf(g_fpOfResult, "port: %u\n", tsArguments.port); fprintf(g_fpOfResult, "cversion: %s\n", tsArguments.cversion); fprintf(g_fpOfResult, "mysqlFlag: %d\n", tsArguments.mysqlFlag); fprintf(g_fpOfResult, "outpath: %s\n", tsArguments.outpath); fprintf(g_fpOfResult, "inpath: %s\n", tsArguments.inpath); fprintf(g_fpOfResult, "resultFile: %s\n", tsArguments.resultFile); fprintf(g_fpOfResult, "encode: %s\n", tsArguments.encode); fprintf(g_fpOfResult, "all_databases: %d\n", tsArguments.all_databases); fprintf(g_fpOfResult, "databases: %d\n", tsArguments.databases); fprintf(g_fpOfResult, "schemaonly: %d\n", tsArguments.schemaonly); fprintf(g_fpOfResult, "with_property: %d\n", tsArguments.with_property); fprintf(g_fpOfResult, "start_time: %" PRId64 "\n", tsArguments.start_time); fprintf(g_fpOfResult, "end_time: %" PRId64 "\n", tsArguments.end_time); fprintf(g_fpOfResult, "data_batch: %d\n", tsArguments.data_batch); fprintf(g_fpOfResult, "max_sql_len: %d\n", tsArguments.max_sql_len); fprintf(g_fpOfResult, "table_batch: %d\n", tsArguments.table_batch); fprintf(g_fpOfResult, "thread_num: %d\n", tsArguments.thread_num); fprintf(g_fpOfResult, "allow_sys: %d\n", tsArguments.allow_sys); fprintf(g_fpOfResult, "abort: %d\n", tsArguments.abort); fprintf(g_fpOfResult, "isDumpIn: %d\n", tsArguments.isDumpIn); fprintf(g_fpOfResult, "arg_list_len: %d\n", tsArguments.arg_list_len); for (int32_t i = 0; i < tsArguments.arg_list_len; i++) { fprintf(g_fpOfResult, "arg_list[%d]: %s\n", i, tsArguments.arg_list[i]); } } time_t tTime = time(NULL); struct tm tm = *localtime(&tTime); if (tsArguments.isDumpIn) { fprintf(g_fpOfResult, "============================== DUMP IN ============================== \n"); fprintf(g_fpOfResult, "# DumpIn start time: %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); if (taosDumpIn(&tsArguments) < 0) { fprintf(g_fpOfResult, "\n"); fclose(g_fpOfResult); return -1; } } else { fprintf(g_fpOfResult, "============================== DUMP OUT ============================== \n"); fprintf(g_fpOfResult, "# DumpOut start time: %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); if (taosDumpOut(&tsArguments) < 0) { fprintf(g_fpOfResult, "\n"); fclose(g_fpOfResult); return -1; } fprintf(g_fpOfResult, "\n============================== TOTAL STATISTICS ============================== \n"); fprintf(g_fpOfResult, "# total database count: %d\n", g_resultStatistics.totalDatabasesOfDumpOut); fprintf(g_fpOfResult, "# total super table count: %d\n", g_resultStatistics.totalSuperTblsOfDumpOut); fprintf(g_fpOfResult, "# total child table count: %"PRId64"\n", g_resultStatistics.totalChildTblsOfDumpOut); fprintf(g_fpOfResult, "# total row count: %"PRId64"\n", g_resultStatistics.totalRowsOfDumpOut); } fprintf(g_fpOfResult, "\n"); fclose(g_fpOfResult); return 0; } void taosFreeDbInfos() { if (dbInfos == NULL) return; for (int i = 0; i < 128; i++) tfree(dbInfos[i]); tfree(dbInfos); } // check table is normal table or super table int taosGetTableRecordInfo(char *table, STableRecordInfo *pTableRecordInfo, TAOS *taosCon) { TAOS_ROW row = NULL; bool isSet = false; TAOS_RES *result = NULL; memset(pTableRecordInfo, 0, sizeof(STableRecordInfo)); char* tempCommand = (char *)malloc(COMMAND_SIZE); if (tempCommand == NULL) { fprintf(stderr, "failed to allocate memory\n"); return -1; } sprintf(tempCommand, "show tables like %s", table); result = taos_query(taosCon, tempCommand); int32_t code = taos_errno(result); if (code != 0) { fprintf(stderr, "failed to run command %s\n", tempCommand); free(tempCommand); taos_free_result(result); return -1; } TAOS_FIELD *fields = taos_fetch_fields(result); while ((row = taos_fetch_row(result)) != NULL) { isSet = true; pTableRecordInfo->isMetric = false; strncpy(pTableRecordInfo->tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX], fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes); strncpy(pTableRecordInfo->tableRecord.metric, (char *)row[TSDB_SHOW_TABLES_METRIC_INDEX], fields[TSDB_SHOW_TABLES_METRIC_INDEX].bytes); break; } taos_free_result(result); result = NULL; if (isSet) { free(tempCommand); return 0; } sprintf(tempCommand, "show stables like %s", table); result = taos_query(taosCon, tempCommand); code = taos_errno(result); if (code != 0) { fprintf(stderr, "failed to run command %s\n", tempCommand); free(tempCommand); taos_free_result(result); return -1; } while ((row = taos_fetch_row(result)) != NULL) { isSet = true; pTableRecordInfo->isMetric = true; tstrncpy(pTableRecordInfo->tableRecord.metric, table, TSDB_TABLE_NAME_LEN); break; } taos_free_result(result); result = NULL; if (isSet) { free(tempCommand); return 0; } fprintf(stderr, "invalid table/metric %s\n", table); free(tempCommand); return -1; } int32_t taosSaveAllNormalTableToTempFile(TAOS *taosCon, char*meter, char* metric, int* fd) { STableRecord tableRecord; if (-1 == *fd) { *fd = open(".tables.tmp.0", O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH); if (*fd == -1) { fprintf(stderr, "failed to open temp file: .tables.tmp.0\n"); return -1; } } memset(&tableRecord, 0, sizeof(STableRecord)); tstrncpy(tableRecord.name, meter, TSDB_TABLE_NAME_LEN); tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN); taosWrite(*fd, &tableRecord, sizeof(STableRecord)); return 0; } int32_t taosSaveTableOfMetricToTempFile(TAOS *taosCon, char* metric, struct arguments *arguments, int32_t* totalNumOfThread) { TAOS_ROW row; int fd = -1; STableRecord tableRecord; char* tmpCommand = (char *)malloc(COMMAND_SIZE); if (tmpCommand == NULL) { fprintf(stderr, "failed to allocate memory\n"); return -1; } sprintf(tmpCommand, "select tbname from %s", metric); TAOS_RES *result = taos_query(taosCon, tmpCommand); int32_t code = taos_errno(result); if (code != 0) { fprintf(stderr, "failed to run command %s\n", tmpCommand); free(tmpCommand); taos_free_result(result); return -1; } TAOS_FIELD *fields = taos_fetch_fields(result); int32_t numOfTable = 0; int32_t numOfThread = *totalNumOfThread; char tmpFileName[TSDB_FILENAME_LEN + 1]; while ((row = taos_fetch_row(result)) != NULL) { if (0 == numOfTable) { memset(tmpFileName, 0, TSDB_FILENAME_LEN); sprintf(tmpFileName, ".tables.tmp.%d", numOfThread); fd = open(tmpFileName, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH); if (fd == -1) { fprintf(stderr, "failed to open temp file: %s\n", tmpFileName); taos_free_result(result); for (int32_t loopCnt = 0; loopCnt < numOfThread; loopCnt++) { sprintf(tmpFileName, ".tables.tmp.%d", loopCnt); (void)remove(tmpFileName); } free(tmpCommand); return -1; } numOfThread++; } memset(&tableRecord, 0, sizeof(STableRecord)); tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes); tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN); taosWrite(fd, &tableRecord, sizeof(STableRecord)); numOfTable++; if (numOfTable >= arguments->table_batch) { numOfTable = 0; close(fd); fd = -1; } } if (fd >= 0) { close(fd); fd = -1; } taos_free_result(result); *totalNumOfThread = numOfThread; free(tmpCommand); return 0; } int taosDumpOut(struct arguments *arguments) { TAOS *taos = NULL; TAOS_RES *result = NULL; char *command = NULL; TAOS_ROW row; FILE *fp = NULL; int32_t count = 0; STableRecordInfo tableRecordInfo; char tmpBuf[TSDB_FILENAME_LEN+9] = {0}; if (arguments->outpath[0] != 0) { sprintf(tmpBuf, "%s/dbs.sql", arguments->outpath); } else { sprintf(tmpBuf, "dbs.sql"); } fp = fopen(tmpBuf, "w"); if (fp == NULL) { fprintf(stderr, "failed to open file %s\n", tmpBuf); return -1; } dbInfos = (SDbInfo **)calloc(128, sizeof(SDbInfo *)); if (dbInfos == NULL) { fprintf(stderr, "failed to allocate memory\n"); goto _exit_failure; } command = (char *)malloc(COMMAND_SIZE); if (command == NULL) { fprintf(stderr, "failed to allocate memory\n"); goto _exit_failure; } /* Connect to server */ taos = taos_connect(arguments->host, arguments->user, arguments->password, NULL, arguments->port); if (taos == NULL) { fprintf(stderr, "failed to connect to TDengine server\n"); goto _exit_failure; } /* --------------------------------- Main Code -------------------------------- */ /* if (arguments->databases || arguments->all_databases) { // dump part of databases or all databases */ /* */ taosDumpCharset(fp); sprintf(command, "show databases"); result = taos_query(taos, command); int32_t code = taos_errno(result); if (code != 0) { fprintf(stderr, "failed to run command: %s, reason: %s\n", command, taos_errstr(result)); goto _exit_failure; } TAOS_FIELD *fields = taos_fetch_fields(result); while ((row = taos_fetch_row(result)) != NULL) { // sys database name : 'log', but subsequent version changed to 'log' if (strncasecmp(row[TSDB_SHOW_DB_NAME_INDEX], "log", fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0 && (!arguments->allow_sys)) continue; if (arguments->databases) { // input multi dbs for (int i = 0; arguments->arg_list[i]; i++) { if (strncasecmp(arguments->arg_list[i], (char *)row[TSDB_SHOW_DB_NAME_INDEX], fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0) goto _dump_db_point; } continue; } else if (!arguments->all_databases) { // only input one db if (strncasecmp(arguments->arg_list[0], (char *)row[TSDB_SHOW_DB_NAME_INDEX], fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0) goto _dump_db_point; else continue; } _dump_db_point: dbInfos[count] = (SDbInfo *)calloc(1, sizeof(SDbInfo)); if (dbInfos[count] == NULL) { fprintf(stderr, "failed to allocate memory\n"); goto _exit_failure; } strncpy(dbInfos[count]->name, (char *)row[TSDB_SHOW_DB_NAME_INDEX], fields[TSDB_SHOW_DB_NAME_INDEX].bytes); if (arguments->with_property) { dbInfos[count]->ntables = *((int32_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]); dbInfos[count]->vgroups = *((int32_t *)row[TSDB_SHOW_DB_VGROUPS_INDEX]); dbInfos[count]->replica = *((int16_t *)row[TSDB_SHOW_DB_REPLICA_INDEX]); dbInfos[count]->quorum = *((int16_t *)row[TSDB_SHOW_DB_QUORUM_INDEX]); dbInfos[count]->days = *((int16_t *)row[TSDB_SHOW_DB_DAYS_INDEX]); strncpy(dbInfos[count]->keeplist, (char *)row[TSDB_SHOW_DB_KEEP_INDEX], fields[TSDB_SHOW_DB_KEEP_INDEX].bytes); //dbInfos[count]->daysToKeep = *((int16_t *)row[TSDB_SHOW_DB_KEEP_INDEX]); //dbInfos[count]->daysToKeep1; //dbInfos[count]->daysToKeep2; dbInfos[count]->cache = *((int32_t *)row[TSDB_SHOW_DB_CACHE_INDEX]); dbInfos[count]->blocks = *((int32_t *)row[TSDB_SHOW_DB_BLOCKS_INDEX]); dbInfos[count]->minrows = *((int32_t *)row[TSDB_SHOW_DB_MINROWS_INDEX]); dbInfos[count]->maxrows = *((int32_t *)row[TSDB_SHOW_DB_MAXROWS_INDEX]); dbInfos[count]->wallevel = *((int8_t *)row[TSDB_SHOW_DB_WALLEVEL_INDEX]); dbInfos[count]->fsync = *((int32_t *)row[TSDB_SHOW_DB_FSYNC_INDEX]); dbInfos[count]->comp = (int8_t)(*((int8_t *)row[TSDB_SHOW_DB_COMP_INDEX])); strncpy(dbInfos[count]->precision, (char *)row[TSDB_SHOW_DB_PRECISION_INDEX], fields[TSDB_SHOW_DB_PRECISION_INDEX].bytes); //dbInfos[count]->precision = *((int8_t *)row[TSDB_SHOW_DB_PRECISION_INDEX]); dbInfos[count]->update = *((int8_t *)row[TSDB_SHOW_DB_UPDATE_INDEX]); } count++; if (arguments->databases) { if (count > arguments->arg_list_len) break; } else if (!arguments->all_databases) { if (count >= 1) break; } } if (count == 0) { fprintf(stderr, "No databases valid to dump\n"); goto _exit_failure; } if (arguments->databases || arguments->all_databases) { // case: taosdump --databases dbx dby ... OR taosdump --all-databases for (int i = 0; i < count; i++) { taosDumpDb(dbInfos[i], arguments, fp, taos); } } else { if (arguments->arg_list_len == 1) { // case: taosdump taosDumpDb(dbInfos[0], arguments, fp, taos); } else { // case: taosdump tablex tabley ... taosDumpCreateDbClause(dbInfos[0], arguments->with_property, fp); fprintf(g_fpOfResult, "\n#### database: %s\n", dbInfos[0]->name); g_resultStatistics.totalDatabasesOfDumpOut++; sprintf(command, "use %s", dbInfos[0]->name); result = taos_query(taos, command); int32_t code = taos_errno(result); if (code != 0) { fprintf(stderr, "invalid database %s\n", dbInfos[0]->name); goto _exit_failure; } fprintf(fp, "USE %s;\n\n", dbInfos[0]->name); int32_t totalNumOfThread = 1; // 0: all normal talbe into .tables.tmp.0 int normalTblFd = -1; int32_t retCode; int superTblCnt = 0 ; for (int i = 1; arguments->arg_list[i]; i++) { if (taosGetTableRecordInfo(arguments->arg_list[i], &tableRecordInfo, taos) < 0) { fprintf(stderr, "input the invalide table %s\n", arguments->arg_list[i]); continue; } if (tableRecordInfo.isMetric) { // dump all table of this metric int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name); if (0 == ret) { superTblCnt++; } retCode = taosSaveTableOfMetricToTempFile(taos, tableRecordInfo.tableRecord.metric, arguments, &totalNumOfThread); } else { if (tableRecordInfo.tableRecord.metric[0] != '\0') { // dump this sub table and it's metric int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name); if (0 == ret) { superTblCnt++; } } retCode = taosSaveAllNormalTableToTempFile(taos, tableRecordInfo.tableRecord.name, tableRecordInfo.tableRecord.metric, &normalTblFd); } if (retCode < 0) { if (-1 != normalTblFd){ taosClose(normalTblFd); } goto _clean_tmp_file; } } // TODO: save dump super table into result_output.txt fprintf(g_fpOfResult, "# super table counter: %d\n", superTblCnt); g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt; if (-1 != normalTblFd){ taosClose(normalTblFd); } // start multi threads to dumpout taosStartDumpOutWorkThreads(arguments, totalNumOfThread, dbInfos[0]->name); char tmpFileName[TSDB_FILENAME_LEN + 1]; _clean_tmp_file: for (int loopCnt = 0; loopCnt < totalNumOfThread; loopCnt++) { sprintf(tmpFileName, ".tables.tmp.%d", loopCnt); remove(tmpFileName); } } } /* Close the handle and return */ fclose(fp); taos_close(taos); taos_free_result(result); tfree(command); taosFreeDbInfos(); fprintf(stderr, "dump out rows: %" PRId64 "\n", totalDumpOutRows); return 0; _exit_failure: fclose(fp); taos_close(taos); taos_free_result(result); tfree(command); taosFreeDbInfos(); fprintf(stderr, "dump out rows: %" PRId64 "\n", totalDumpOutRows); return -1; } int taosGetTableDes(char* dbName, char *table, STableDef *tableDes, TAOS* taosCon, bool isSuperTable) { TAOS_ROW row = NULL; TAOS_RES* res = NULL; int count = 0; char sqlstr[COMMAND_SIZE]; sprintf(sqlstr, "describe %s.%s;", dbName, table); res = taos_query(taosCon, sqlstr); int32_t code = taos_errno(res); if (code != 0) { fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res)); taos_free_result(res); return -1; } TAOS_FIELD *fields = taos_fetch_fields(res); tstrncpy(tableDes->name, table, TSDB_COL_NAME_LEN); while ((row = taos_fetch_row(res)) != NULL) { strncpy(tableDes->cols[count].field, (char *)row[TSDB_DESCRIBE_METRIC_FIELD_INDEX], fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes); strncpy(tableDes->cols[count].type, (char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX], fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes); tableDes->cols[count].length = *((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]); strncpy(tableDes->cols[count].note, (char *)row[TSDB_DESCRIBE_METRIC_NOTE_INDEX], fields[TSDB_DESCRIBE_METRIC_NOTE_INDEX].bytes); count++; } taos_free_result(res); res = NULL; if (isSuperTable) { return count; } // if chidl-table have tag, using select tagName from table to get tagValue for (int i = 0 ; i < count; i++) { if (strcmp(tableDes->cols[i].note, "TAG") != 0) continue; sprintf(sqlstr, "select %s from %s.%s", tableDes->cols[i].field, dbName, table); res = taos_query(taosCon, sqlstr); code = taos_errno(res); if (code != 0) { fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res)); taos_free_result(res); return -1; } fields = taos_fetch_fields(res); row = taos_fetch_row(res); if (NULL == row) { fprintf(stderr, " fetch failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res)); taos_free_result(res); return -1; } if (row[0] == NULL) { sprintf(tableDes->cols[i].note, "%s", "NULL"); taos_free_result(res); res = NULL; continue; } int32_t* length = taos_fetch_lengths(res); //int32_t* length = taos_fetch_lengths(tmpResult); switch (fields[0].type) { case TSDB_DATA_TYPE_BOOL: sprintf(tableDes->cols[i].note, "%d", ((((int32_t)(*((char *)row[0]))) == 1) ? 1 : 0)); break; case TSDB_DATA_TYPE_TINYINT: sprintf(tableDes->cols[i].note, "%d", *((int8_t *)row[0])); break; case TSDB_DATA_TYPE_SMALLINT: sprintf(tableDes->cols[i].note, "%d", *((int16_t *)row[0])); break; case TSDB_DATA_TYPE_INT: sprintf(tableDes->cols[i].note, "%d", *((int32_t *)row[0])); break; case TSDB_DATA_TYPE_BIGINT: sprintf(tableDes->cols[i].note, "%" PRId64 "", *((int64_t *)row[0])); break; case TSDB_DATA_TYPE_FLOAT: sprintf(tableDes->cols[i].note, "%f", GET_FLOAT_VAL(row[0])); break; case TSDB_DATA_TYPE_DOUBLE: sprintf(tableDes->cols[i].note, "%f", GET_DOUBLE_VAL(row[0])); break; case TSDB_DATA_TYPE_BINARY: { memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note)); tableDes->cols[i].note[0] = '\''; char tbuf[COMMAND_SIZE]; converStringToReadable((char *)row[0], length[0], tbuf, COMMAND_SIZE); char* pstr = stpcpy(&(tableDes->cols[i].note[1]), tbuf); *(pstr++) = '\''; break; } case TSDB_DATA_TYPE_NCHAR: { memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note)); char tbuf[COMMAND_SIZE]; convertNCharToReadable((char *)row[0], length[0], tbuf, COMMAND_SIZE); sprintf(tableDes->cols[i].note, "\'%s\'", tbuf); break; } case TSDB_DATA_TYPE_TIMESTAMP: sprintf(tableDes->cols[i].note, "%" PRId64 "", *(int64_t *)row[0]); #if 0 if (!arguments->mysqlFlag) { sprintf(tableDes->cols[i].note, "%" PRId64 "", *(int64_t *)row[0]); } else { char buf[64] = "\0"; int64_t ts = *((int64_t *)row[0]); time_t tt = (time_t)(ts / 1000); struct tm *ptm = localtime(&tt); strftime(buf, 64, "%y-%m-%d %H:%M:%S", ptm); sprintf(tableDes->cols[i].note, "\'%s.%03d\'", buf, (int)(ts % 1000)); } #endif break; default: break; } taos_free_result(res); res = NULL; } return count; } int32_t taosDumpTable(char *table, char *metric, struct arguments *arguments, FILE *fp, TAOS* taosCon, char* dbName) { int count = 0; STableDef *tableDes = (STableDef *)calloc(1, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS); if (metric != NULL && metric[0] != '\0') { // dump table schema which is created by using super table /* count = taosGetTableDes(metric, tableDes, taosCon); if (count < 0) { free(tableDes); return -1; } taosDumpCreateTableClause(tableDes, count, fp); memset(tableDes, 0, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS); */ count = taosGetTableDes(dbName, table, tableDes, taosCon, false); if (count < 0) { free(tableDes); return -1; } // create child-table using super-table taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName); } else { // dump table definition count = taosGetTableDes(dbName, table, tableDes, taosCon, false); if (count < 0) { free(tableDes); return -1; } // create normal-table or super-table taosDumpCreateTableClause(tableDes, count, fp, dbName); } free(tableDes); return taosDumpTableData(fp, table, arguments, taosCon, dbName); } void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp) { char sqlstr[TSDB_MAX_SQL_LEN] = {0}; char *pstr = sqlstr; pstr += sprintf(pstr, "CREATE DATABASE IF NOT EXISTS %s ", dbInfo->name); if (isDumpProperty) { pstr += sprintf(pstr, "TABLES %d VGROUPS %d REPLICA %d QUORUM %d DAYS %d KEEP %s CACHE %d BLOCKS %d MINROWS %d MAXROWS %d WALLEVEL %d FYNC %d COMP %d PRECISION '%s' UPDATE %d", dbInfo->ntables, dbInfo->vgroups, dbInfo->replica, dbInfo->quorum, dbInfo->days, dbInfo->keeplist, dbInfo->cache, dbInfo->blocks, dbInfo->minrows, dbInfo->maxrows, dbInfo->wallevel, dbInfo->fsync, dbInfo->comp, dbInfo->precision, dbInfo->update); } pstr += sprintf(pstr, ";"); fprintf(fp, "%s\n\n", sqlstr); } void* taosDumpOutWorkThreadFp(void *arg) { SThreadParaObj *pThread = (SThreadParaObj*)arg; STableRecord tableRecord; int fd; char tmpFileName[TSDB_FILENAME_LEN*4] = {0}; sprintf(tmpFileName, ".tables.tmp.%d", pThread->threadIndex); fd = open(tmpFileName, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH); if (fd == -1) { fprintf(stderr, "taosDumpTableFp() failed to open temp file: %s\n", tmpFileName); return NULL; } FILE *fp = NULL; memset(tmpFileName, 0, TSDB_FILENAME_LEN + 128); if (tsArguments.outpath[0] != 0) { sprintf(tmpFileName, "%s/%s.tables.%d.sql", tsArguments.outpath, pThread->dbName, pThread->threadIndex); } else { sprintf(tmpFileName, "%s.tables.%d.sql", pThread->dbName, pThread->threadIndex); } fp = fopen(tmpFileName, "w"); if (fp == NULL) { fprintf(stderr, "failed to open file %s\n", tmpFileName); close(fd); return NULL; } memset(tmpFileName, 0, TSDB_FILENAME_LEN); sprintf(tmpFileName, "use %s", pThread->dbName); TAOS_RES* tmpResult = taos_query(pThread->taosCon, tmpFileName); int32_t code = taos_errno(tmpResult); if (code != 0) { fprintf(stderr, "invalid database %s\n", pThread->dbName); taos_free_result(tmpResult); fclose(fp); close(fd); return NULL; } int64_t lastRowsPrint = 5000000; fprintf(fp, "USE %s;\n\n", pThread->dbName); while (1) { ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord)); if (readLen <= 0) break; int ret = taosDumpTable(tableRecord.name, tableRecord.metric, &tsArguments, fp, pThread->taosCon, pThread->dbName); if (ret >= 0) { // TODO: sum table count and table rows by self pThread->tablesOfDumpOut++; pThread->rowsOfDumpOut += ret; if (pThread->rowsOfDumpOut >= lastRowsPrint) { printf(" %"PRId64 " rows already be dumpout from database %s\n", pThread->rowsOfDumpOut, pThread->dbName); lastRowsPrint += 5000000; } } } taos_free_result(tmpResult); close(fd); fclose(fp); return NULL; } static void taosStartDumpOutWorkThreads(struct arguments* args, int32_t numOfThread, char *dbName) { pthread_attr_t thattr; SThreadParaObj *threadObj = (SThreadParaObj *)calloc(numOfThread, sizeof(SThreadParaObj)); for (int t = 0; t < numOfThread; ++t) { SThreadParaObj *pThread = threadObj + t; pThread->rowsOfDumpOut = 0; pThread->tablesOfDumpOut = 0; pThread->threadIndex = t; pThread->totalThreads = numOfThread; tstrncpy(pThread->dbName, dbName, TSDB_TABLE_NAME_LEN); pThread->taosCon = taos_connect(args->host, args->user, args->password, NULL, args->port); if (pThread->taosCon == NULL) { fprintf(stderr, "ERROR: thread:%d failed connect to TDengine, reason:%s\n", pThread->threadIndex, taos_errstr(NULL)); exit(0); } pthread_attr_init(&thattr); pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE); if (pthread_create(&(pThread->threadID), &thattr, taosDumpOutWorkThreadFp, (void*)pThread) != 0) { fprintf(stderr, "ERROR: thread:%d failed to start\n", pThread->threadIndex); exit(0); } } for (int32_t t = 0; t < numOfThread; ++t) { pthread_join(threadObj[t].threadID, NULL); } // TODO: sum all thread dump table count and rows of per table, then save into result_output.txt int64_t totalRowsOfDumpOut = 0; int64_t totalChildTblsOfDumpOut = 0; for (int32_t t = 0; t < numOfThread; ++t) { taos_close(threadObj[t].taosCon); totalChildTblsOfDumpOut += threadObj[t].tablesOfDumpOut; totalRowsOfDumpOut += threadObj[t].rowsOfDumpOut; } fprintf(g_fpOfResult, "# child table counter: %"PRId64"\n", totalChildTblsOfDumpOut); fprintf(g_fpOfResult, "# row counter: %"PRId64"\n", totalRowsOfDumpOut); g_resultStatistics.totalChildTblsOfDumpOut += totalChildTblsOfDumpOut; g_resultStatistics.totalRowsOfDumpOut += totalRowsOfDumpOut; free(threadObj); } int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName) { int count = 0; STableDef *tableDes = (STableDef *)calloc(1, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS); if (NULL == tableDes) { fprintf(stderr, "failed to allocate memory\n"); exit(-1); } count = taosGetTableDes(dbName, table, tableDes, taosCon, true); if (count < 0) { free(tableDes); fprintf(stderr, "failed to get stable[%s] schema\n", table); exit(-1); } taosDumpCreateTableClause(tableDes, count, fp, dbName); free(tableDes); return 0; } int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp) { TAOS_ROW row; int fd = -1; STableRecord tableRecord; char sqlstr[TSDB_MAX_SQL_LEN] = {0}; sprintf(sqlstr, "show %s.stables", dbName); TAOS_RES* res = taos_query(taosCon, sqlstr); int32_t code = taos_errno(res); if (code != 0) { fprintf(stderr, "failed to run command <%s>, reason: %s\n", sqlstr, taos_errstr(res)); taos_free_result(res); exit(-1); } TAOS_FIELD *fields = taos_fetch_fields(res); char tmpFileName[TSDB_FILENAME_LEN + 1]; memset(tmpFileName, 0, TSDB_FILENAME_LEN); sprintf(tmpFileName, ".stables.tmp"); fd = open(tmpFileName, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH); if (fd == -1) { fprintf(stderr, "failed to open temp file: %s\n", tmpFileName); taos_free_result(res); (void)remove(".stables.tmp"); exit(-1); } while ((row = taos_fetch_row(res)) != NULL) { memset(&tableRecord, 0, sizeof(STableRecord)); strncpy(tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX], fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes); taosWrite(fd, &tableRecord, sizeof(STableRecord)); } taos_free_result(res); (void)lseek(fd, 0, SEEK_SET); int superTblCnt = 0; while (1) { ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord)); if (readLen <= 0) break; int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName); if (0 == ret) { superTblCnt++; } } // TODO: save dump super table into result_output.txt fprintf(g_fpOfResult, "# super table counter: %d\n", superTblCnt); g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt; close(fd); (void)remove(".stables.tmp"); return 0; } int taosDumpDb(SDbInfo *dbInfo, struct arguments *arguments, FILE *fp, TAOS *taosCon) { TAOS_ROW row; int fd = -1; STableRecord tableRecord; taosDumpCreateDbClause(dbInfo, arguments->with_property, fp); fprintf(g_fpOfResult, "\n#### database: %s\n", dbInfo->name); g_resultStatistics.totalDatabasesOfDumpOut++; char sqlstr[TSDB_MAX_SQL_LEN] = {0}; fprintf(fp, "USE %s;\n\n", dbInfo->name); (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp); sprintf(sqlstr, "show %s.tables", dbInfo->name); TAOS_RES* res = taos_query(taosCon, sqlstr); int code = taos_errno(res); if (code != 0) { fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res)); taos_free_result(res); return -1; } TAOS_FIELD *fields = taos_fetch_fields(res); int32_t numOfTable = 0; int32_t numOfThread = 0; char tmpFileName[TSDB_FILENAME_LEN + 1]; while ((row = taos_fetch_row(res)) != NULL) { if (0 == numOfTable) { memset(tmpFileName, 0, TSDB_FILENAME_LEN); sprintf(tmpFileName, ".tables.tmp.%d", numOfThread); fd = open(tmpFileName, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH); if (fd == -1) { fprintf(stderr, "failed to open temp file: %s\n", tmpFileName); taos_free_result(res); for (int32_t loopCnt = 0; loopCnt < numOfThread; loopCnt++) { sprintf(tmpFileName, ".tables.tmp.%d", loopCnt); (void)remove(tmpFileName); } return -1; } numOfThread++; } memset(&tableRecord, 0, sizeof(STableRecord)); tstrncpy(tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX], fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes); tstrncpy(tableRecord.metric, (char *)row[TSDB_SHOW_TABLES_METRIC_INDEX], fields[TSDB_SHOW_TABLES_METRIC_INDEX].bytes); taosWrite(fd, &tableRecord, sizeof(STableRecord)); numOfTable++; if (numOfTable >= arguments->table_batch) { numOfTable = 0; close(fd); fd = -1; } } if (fd >= 0) { close(fd); fd = -1; } taos_free_result(res); // start multi threads to dumpout taosStartDumpOutWorkThreads(arguments, numOfThread, dbInfo->name); for (int loopCnt = 0; loopCnt < numOfThread; loopCnt++) { sprintf(tmpFileName, ".tables.tmp.%d", loopCnt); (void)remove(tmpFileName); } return 0; } void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName) { int counter = 0; int count_temp = 0; char sqlstr[COMMAND_SIZE]; char* pstr = sqlstr; pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s", dbName, tableDes->name); for (; counter < numOfCols; counter++) { if (tableDes->cols[counter].note[0] != '\0') break; if (counter == 0) { pstr += sprintf(pstr, " (%s %s", tableDes->cols[counter].field, tableDes->cols[counter].type); } else { pstr += sprintf(pstr, ", %s %s", tableDes->cols[counter].field, tableDes->cols[counter].type); } if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar") == 0) { pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); } } count_temp = counter; for (; counter < numOfCols; counter++) { if (counter == count_temp) { pstr += sprintf(pstr, ") TAGS (%s %s", tableDes->cols[counter].field, tableDes->cols[counter].type); } else { pstr += sprintf(pstr, ", %s %s", tableDes->cols[counter].field, tableDes->cols[counter].type); } if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar") == 0) { pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); } } pstr += sprintf(pstr, ");"); fprintf(fp, "%s\n\n", sqlstr); } void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName) { int counter = 0; int count_temp = 0; char* tmpBuf = (char *)malloc(COMMAND_SIZE); if (tmpBuf == NULL) { fprintf(stderr, "failed to allocate memory\n"); return; } char *pstr = NULL; pstr = tmpBuf; pstr += sprintf(tmpBuf, "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (", dbName, tableDes->name, dbName, metric); for (; counter < numOfCols; counter++) { if (tableDes->cols[counter].note[0] != '\0') break; } assert(counter < numOfCols); count_temp = counter; for (; counter < numOfCols; counter++) { if (counter != count_temp) { if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar") == 0) { //pstr += sprintf(pstr, ", \'%s\'", tableDes->cols[counter].note); pstr += sprintf(pstr, ", %s", tableDes->cols[counter].note); } else { pstr += sprintf(pstr, ", %s", tableDes->cols[counter].note); } } else { if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar") == 0) { //pstr += sprintf(pstr, "\'%s\'", tableDes->cols[counter].note); pstr += sprintf(pstr, "%s", tableDes->cols[counter].note); } else { pstr += sprintf(pstr, "%s", tableDes->cols[counter].note); } /* pstr += sprintf(pstr, "%s", tableDes->cols[counter].note); */ } /* if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar") * == 0) { */ /* pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); */ /* } */ } pstr += sprintf(pstr, ");"); fprintf(fp, "%s\n", tmpBuf); free(tmpBuf); } int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName) { int64_t lastRowsPrint = 5000000; int64_t totalRows = 0; int count = 0; char *pstr = NULL; TAOS_ROW row = NULL; int numFields = 0; if (arguments->schemaonly) { return 0; } int32_t sql_buf_len = arguments->max_sql_len; char* tmpBuffer = (char *)calloc(1, sql_buf_len + 128); if (tmpBuffer == NULL) { fprintf(stderr, "failed to allocate memory\n"); return -1; } pstr = tmpBuffer; char sqlstr[1024] = {0}; sprintf(sqlstr, "select * from %s.%s where _c0 >= %" PRId64 " and _c0 <= %" PRId64 " order by _c0 asc;", dbName, tbname, arguments->start_time, arguments->end_time); TAOS_RES* tmpResult = taos_query(taosCon, sqlstr); int32_t code = taos_errno(tmpResult); if (code != 0) { fprintf(stderr, "failed to run command %s, reason: %s\n", sqlstr, taos_errstr(tmpResult)); free(tmpBuffer); taos_free_result(tmpResult); return -1; } numFields = taos_field_count(tmpResult); assert(numFields > 0); TAOS_FIELD *fields = taos_fetch_fields(tmpResult); int rowFlag = 0; int32_t curr_sqlstr_len = 0; int32_t total_sqlstr_len = 0; count = 0; while ((row = taos_fetch_row(tmpResult)) != NULL) { pstr = tmpBuffer; curr_sqlstr_len = 0; int32_t* length = taos_fetch_lengths(tmpResult); // act len if (count == 0) { total_sqlstr_len = 0; curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "INSERT INTO %s.%s VALUES (", dbName, tbname); } else { if (arguments->mysqlFlag) { if (0 == rowFlag) { curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "("); rowFlag++; } else { curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ("); } } else { curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "("); } } for (int col = 0; col < numFields; col++) { if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", "); if (row[col] == NULL) { curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL"); continue; } switch (fields[col].type) { case TSDB_DATA_TYPE_BOOL: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", ((((int32_t)(*((char *)row[col]))) == 1) ? 1 : 0)); break; case TSDB_DATA_TYPE_TINYINT: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int8_t *)row[col])); break; case TSDB_DATA_TYPE_SMALLINT: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int16_t *)row[col])); break; case TSDB_DATA_TYPE_INT: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int32_t *)row[col])); break; case TSDB_DATA_TYPE_BIGINT: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *((int64_t *)row[col])); break; case TSDB_DATA_TYPE_FLOAT: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_FLOAT_VAL(row[col])); break; case TSDB_DATA_TYPE_DOUBLE: curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_DOUBLE_VAL(row[col])); break; case TSDB_DATA_TYPE_BINARY: { char tbuf[COMMAND_SIZE] = {0}; //*(pstr++) = '\''; converStringToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE); //pstr = stpcpy(pstr, tbuf); //*(pstr++) = '\''; pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf); break; } case TSDB_DATA_TYPE_NCHAR: { char tbuf[COMMAND_SIZE] = {0}; convertNCharToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE); pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf); break; } case TSDB_DATA_TYPE_TIMESTAMP: if (!arguments->mysqlFlag) { curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *(int64_t *)row[col]); } else { char buf[64] = "\0"; int64_t ts = *((int64_t *)row[col]); time_t tt = (time_t)(ts / 1000); struct tm *ptm = localtime(&tt); strftime(buf, 64, "%y-%m-%d %H:%M:%S", ptm); curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s.%03d\'", buf, (int)(ts % 1000)); } break; default: break; } } curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ") "); totalRows++; count++; fprintf(fp, "%s", tmpBuffer); if (totalRows >= lastRowsPrint) { printf(" %"PRId64 " rows already be dumpout from %s.%s\n", totalRows, dbName, tbname); lastRowsPrint += 5000000; } total_sqlstr_len += curr_sqlstr_len; if ((count >= arguments->data_batch) || (sql_buf_len - total_sqlstr_len < TSDB_MAX_BYTES_PER_ROW)) { fprintf(fp, ";\n"); count = 0; } //else { //fprintf(fp, "\\\n"); //} } fprintf(fp, "\n"); atomic_add_fetch_64(&totalDumpOutRows, totalRows); taos_free_result(tmpResult); free(tmpBuffer); return totalRows; } int taosCheckParam(struct arguments *arguments) { if (arguments->all_databases && arguments->databases) { fprintf(stderr, "conflict option --all-databases and --databases\n"); return -1; } if (arguments->start_time > arguments->end_time) { fprintf(stderr, "start time is larger than end time\n"); return -1; } if (arguments->arg_list_len == 0) { if ((!arguments->all_databases) && (!arguments->isDumpIn)) { fprintf(stderr, "taosdump requires parameters\n"); return -1; } } /* if (arguments->isDumpIn && (strcmp(arguments->outpath, DEFAULT_DUMP_FILE) != 0)) { fprintf(stderr, "duplicate parameter input and output file path\n"); return -1; } */ if (!arguments->isDumpIn && arguments->encode != NULL) { fprintf(stderr, "invalid option in dump out\n"); return -1; } if (arguments->table_batch <= 0) { fprintf(stderr, "invalid option in dump out\n"); return -1; } return 0; } bool isEmptyCommand(char *cmd) { char *pchar = cmd; while (*pchar != '\0') { if (*pchar != ' ') return false; pchar++; } return true; } void taosReplaceCtrlChar(char *str) { _Bool ctrlOn = false; char *pstr = NULL; for (pstr = str; *str != '\0'; ++str) { if (ctrlOn) { switch (*str) { case 'n': *pstr = '\n'; pstr++; break; case 'r': *pstr = '\r'; pstr++; break; case 't': *pstr = '\t'; pstr++; break; case '\\': *pstr = '\\'; pstr++; break; case '\'': *pstr = '\''; pstr++; break; default: break; } ctrlOn = false; } else { if (*str == '\\') { ctrlOn = true; } else { *pstr = *str; pstr++; } } } *pstr = '\0'; } char *ascii_literal_list[] = { "\\x00", "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\x07", "\\x08", "\\t", "\\n", "\\x0b", "\\x0c", "\\r", "\\x0e", "\\x0f", "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17", "\\x18", "\\x19", "\\x1a", "\\x1b", "\\x1c", "\\x1d", "\\x1e", "\\x1f", " ", "!", "\\\"", "#", "$", "%", "&", "\\'", "(", ")", "*", "+", ",", "-", ".", "/", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?", "@", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "[", "\\\\", "]", "^", "_", "`", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "{", "|", "}", "~", "\\x7f", "\\x80", "\\x81", "\\x82", "\\x83", "\\x84", "\\x85", "\\x86", "\\x87", "\\x88", "\\x89", "\\x8a", "\\x8b", "\\x8c", "\\x8d", "\\x8e", "\\x8f", "\\x90", "\\x91", "\\x92", "\\x93", "\\x94", "\\x95", "\\x96", "\\x97", "\\x98", "\\x99", "\\x9a", "\\x9b", "\\x9c", "\\x9d", "\\x9e", "\\x9f", "\\xa0", "\\xa1", "\\xa2", "\\xa3", "\\xa4", "\\xa5", "\\xa6", "\\xa7", "\\xa8", "\\xa9", "\\xaa", "\\xab", "\\xac", "\\xad", "\\xae", "\\xaf", "\\xb0", "\\xb1", "\\xb2", "\\xb3", "\\xb4", "\\xb5", "\\xb6", "\\xb7", "\\xb8", "\\xb9", "\\xba", "\\xbb", "\\xbc", "\\xbd", "\\xbe", "\\xbf", "\\xc0", "\\xc1", "\\xc2", "\\xc3", "\\xc4", "\\xc5", "\\xc6", "\\xc7", "\\xc8", "\\xc9", "\\xca", "\\xcb", "\\xcc", "\\xcd", "\\xce", "\\xcf", "\\xd0", "\\xd1", "\\xd2", "\\xd3", "\\xd4", "\\xd5", "\\xd6", "\\xd7", "\\xd8", "\\xd9", "\\xda", "\\xdb", "\\xdc", "\\xdd", "\\xde", "\\xdf", "\\xe0", "\\xe1", "\\xe2", "\\xe3", "\\xe4", "\\xe5", "\\xe6", "\\xe7", "\\xe8", "\\xe9", "\\xea", "\\xeb", "\\xec", "\\xed", "\\xee", "\\xef", "\\xf0", "\\xf1", "\\xf2", "\\xf3", "\\xf4", "\\xf5", "\\xf6", "\\xf7", "\\xf8", "\\xf9", "\\xfa", "\\xfb", "\\xfc", "\\xfd", "\\xfe", "\\xff"}; int converStringToReadable(char *str, int size, char *buf, int bufsize) { char *pstr = str; char *pbuf = buf; while (size > 0) { if (*pstr == '\0') break; pbuf = stpcpy(pbuf, ascii_literal_list[((uint8_t)(*pstr))]); pstr++; size--; } *pbuf = '\0'; return 0; } int convertNCharToReadable(char *str, int size, char *buf, int bufsize) { char *pstr = str; char *pbuf = buf; // TODO wchar_t wc; while (size > 0) { if (*pstr == '\0') break; int byte_width = mbtowc(&wc, pstr, MB_CUR_MAX); if (byte_width < 0) { fprintf(stderr, "mbtowc() return fail.\n"); exit(-1); } if ((int)wc < 256) { pbuf = stpcpy(pbuf, ascii_literal_list[(int)wc]); } else { memcpy(pbuf, pstr, byte_width); pbuf += byte_width; } pstr += byte_width; } *pbuf = '\0'; return 0; } void taosDumpCharset(FILE *fp) { char charsetline[256]; (void)fseek(fp, 0, SEEK_SET); sprintf(charsetline, "#!%s\n", tsCharset); (void)fwrite(charsetline, strlen(charsetline), 1, fp); } void taosLoadFileCharset(FILE *fp, char *fcharset) { char * line = NULL; size_t line_size = 0; (void)fseek(fp, 0, SEEK_SET); ssize_t size = getline(&line, &line_size, fp); if (size <= 2) { goto _exit_no_charset; } if (strncmp(line, "#!", 2) != 0) { goto _exit_no_charset; } if (line[size - 1] == '\n') { line[size - 1] = '\0'; size--; } strcpy(fcharset, line + 2); tfree(line); return; _exit_no_charset: (void)fseek(fp, 0, SEEK_SET); *fcharset = '\0'; tfree(line); return; } // ======== dumpIn support multi threads functions ================================// static char **tsDumpInSqlFiles = NULL; static int32_t tsSqlFileNum = 0; static char tsDbSqlFile[TSDB_FILENAME_LEN] = {0}; static char tsfCharset[64] = {0}; static int taosGetFilesNum(const char *directoryName, const char *prefix) { char cmd[1024] = { 0 }; sprintf(cmd, "ls %s/*.%s | wc -l ", directoryName, prefix); FILE *fp = popen(cmd, "r"); if (fp == NULL) { fprintf(stderr, "ERROR: failed to execute:%s, error:%s\n", cmd, strerror(errno)); exit(0); } int fileNum = 0; if (fscanf(fp, "%d", &fileNum) != 1) { fprintf(stderr, "ERROR: failed to execute:%s, parse result error\n", cmd); exit(0); } if (fileNum <= 0) { fprintf(stderr, "ERROR: directory:%s is empry\n", directoryName); exit(0); } pclose(fp); return fileNum; } static void taosParseDirectory(const char *directoryName, const char *prefix, char **fileArray, int totalFiles) { char cmd[1024] = { 0 }; sprintf(cmd, "ls %s/*.%s | sort", directoryName, prefix); FILE *fp = popen(cmd, "r"); if (fp == NULL) { fprintf(stderr, "ERROR: failed to execute:%s, error:%s\n", cmd, strerror(errno)); exit(0); } int fileNum = 0; while (fscanf(fp, "%128s", fileArray[fileNum++])) { if (strcmp(fileArray[fileNum-1], tsDbSqlFile) == 0) { fileNum--; } if (fileNum >= totalFiles) { break; } } if (fileNum != totalFiles) { fprintf(stderr, "ERROR: directory:%s changed while read\n", directoryName); pclose(fp); exit(0); } pclose(fp); } static void taosCheckTablesSQLFile(const char *directoryName) { char cmd[1024] = { 0 }; sprintf(cmd, "ls %s/dbs.sql", directoryName); FILE *fp = popen(cmd, "r"); if (fp == NULL) { fprintf(stderr, "ERROR: failed to execute:%s, error:%s\n", cmd, strerror(errno)); exit(0); } while (fscanf(fp, "%128s", tsDbSqlFile)) { break; } pclose(fp); } static void taosMallocSQLFiles() { tsDumpInSqlFiles = (char**)calloc(tsSqlFileNum, sizeof(char*)); for (int i = 0; i < tsSqlFileNum; i++) { tsDumpInSqlFiles[i] = calloc(1, TSDB_FILENAME_LEN); } } static void taosFreeSQLFiles() { for (int i = 0; i < tsSqlFileNum; i++) { tfree(tsDumpInSqlFiles[i]); } tfree(tsDumpInSqlFiles); } static void taosGetDirectoryFileList(char *inputDir) { struct stat fileStat; if (stat(inputDir, &fileStat) < 0) { fprintf(stderr, "ERROR: %s not exist\n", inputDir); exit(0); } if (fileStat.st_mode & S_IFDIR) { taosCheckTablesSQLFile(inputDir); tsSqlFileNum = taosGetFilesNum(inputDir, "sql"); int totalSQLFileNum = tsSqlFileNum; if (tsDbSqlFile[0] != 0) { tsSqlFileNum--; } taosMallocSQLFiles(); taosParseDirectory(inputDir, "sql", tsDumpInSqlFiles, tsSqlFileNum); fprintf(stdout, "\nstart to dispose %d files in %s\n", totalSQLFileNum, inputDir); } else { fprintf(stderr, "ERROR: %s is not a directory\n", inputDir); exit(0); } } static FILE* taosOpenDumpInFile(char *fptr) { wordexp_t full_path; if (wordexp(fptr, &full_path, 0) != 0) { fprintf(stderr, "ERROR: illegal file name: %s\n", fptr); return NULL; } char *fname = full_path.we_wordv[0]; FILE *f = fopen(fname, "r"); if (f == NULL) { fprintf(stderr, "ERROR: failed to open file %s\n", fname); wordfree(&full_path); return NULL; } wordfree(&full_path); return f; } int taosDumpInOneFile(TAOS * taos, FILE* fp, char* fcharset, char* encode, char* fileName) { int read_len = 0; char * cmd = NULL; size_t cmd_len = 0; char * line = NULL; size_t line_len = 0; cmd = (char *)malloc(TSDB_MAX_ALLOWED_SQL_LEN); if (cmd == NULL) { fprintf(stderr, "failed to allocate memory\n"); return -1; } int lastRowsPrint = 5000000; int lineNo = 0; while ((read_len = getline(&line, &line_len, fp)) != -1) { ++lineNo; if (read_len >= TSDB_MAX_ALLOWED_SQL_LEN) continue; line[--read_len] = '\0'; //if (read_len == 0 || isCommentLine(line)) { // line starts with # if (read_len == 0 ) { continue; } if (line[read_len - 1] == '\\') { line[read_len - 1] = ' '; memcpy(cmd + cmd_len, line, read_len); cmd_len += read_len; continue; } memcpy(cmd + cmd_len, line, read_len); cmd[read_len + cmd_len]= '\0'; if (queryDbImpl(taos, cmd)) { fprintf(stderr, "error sql: linenu:%d, file:%s\n", lineNo, fileName); fprintf(g_fpOfResult, "error sql: linenu:%d, file:%s\n", lineNo, fileName); } memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN); cmd_len = 0; if (lineNo >= lastRowsPrint) { printf(" %d lines already be executed from file %s\n", lineNo, fileName); lastRowsPrint += 5000000; } } tfree(cmd); tfree(line); fclose(fp); return 0; } void* taosDumpInWorkThreadFp(void *arg) { SThreadParaObj *pThread = (SThreadParaObj*)arg; for (int32_t f = 0; f < tsSqlFileNum; ++f) { if (f % pThread->totalThreads == pThread->threadIndex) { char *SQLFileName = tsDumpInSqlFiles[f]; FILE* fp = taosOpenDumpInFile(SQLFileName); if (NULL == fp) { continue; } fprintf(stderr, "Success Open input file: %s\n", SQLFileName); taosDumpInOneFile(pThread->taosCon, fp, tsfCharset, tsArguments.encode, SQLFileName); } } return NULL; } static void taosStartDumpInWorkThreads(struct arguments *args) { pthread_attr_t thattr; SThreadParaObj *pThread; int32_t totalThreads = args->thread_num; if (totalThreads > tsSqlFileNum) { totalThreads = tsSqlFileNum; } SThreadParaObj *threadObj = (SThreadParaObj *)calloc(totalThreads, sizeof(SThreadParaObj)); for (int32_t t = 0; t < totalThreads; ++t) { pThread = threadObj + t; pThread->threadIndex = t; pThread->totalThreads = totalThreads; pThread->taosCon = taos_connect(args->host, args->user, args->password, NULL, args->port); if (pThread->taosCon == NULL) { fprintf(stderr, "ERROR: thread:%d failed connect to TDengine, reason:%s\n", pThread->threadIndex, taos_errstr(NULL)); exit(0); } pthread_attr_init(&thattr); pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE); if (pthread_create(&(pThread->threadID), &thattr, taosDumpInWorkThreadFp, (void*)pThread) != 0) { fprintf(stderr, "ERROR: thread:%d failed to start\n", pThread->threadIndex); exit(0); } } for (int t = 0; t < totalThreads; ++t) { pthread_join(threadObj[t].threadID, NULL); } for (int t = 0; t < totalThreads; ++t) { taos_close(threadObj[t].taosCon); } free(threadObj); } int taosDumpIn(struct arguments *arguments) { assert(arguments->isDumpIn); TAOS *taos = NULL; FILE *fp = NULL; taos = taos_connect(arguments->host, arguments->user, arguments->password, NULL, arguments->port); if (taos == NULL) { fprintf(stderr, "failed to connect to TDengine server\n"); return -1; } taosGetDirectoryFileList(arguments->inpath); if (tsDbSqlFile[0] != 0) { fp = taosOpenDumpInFile(tsDbSqlFile); if (NULL == fp) { fprintf(stderr, "failed to open input file %s\n", tsDbSqlFile); return -1; } fprintf(stderr, "Success Open input file: %s\n", tsDbSqlFile); taosLoadFileCharset(fp, tsfCharset); taosDumpInOneFile(taos, fp, tsfCharset, arguments->encode, tsDbSqlFile); } taosStartDumpInWorkThreads(arguments); taos_close(taos); taosFreeSQLFiles(); return 0; }