taosdump.c 73.2 KB
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/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include <iconv.h>
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#include <sys/stat.h>
#include <sys/syscall.h>

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#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;

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#define debugPrint(fmt, ...) \
    do { if (g_args.debug_print || g_args.verbose_print) \
      fprintf(stderr, "DEBG: "fmt, __VA_ARGS__); } while(0)

#define verbosePrint(fmt, ...) \
    do { if (g_args.verbose_print) \
        fprintf(stderr, "VERB: "fmt, __VA_ARGS__); } while(0)

#define performancePrint(fmt, ...) \
    do { if (g_args.performance_print) \
        fprintf(stderr, "VERB: "fmt, __VA_ARGS__); } while(0)

#define errorPrint(fmt, ...) \
    do { fprintf(stderr, "ERROR: "fmt, __VA_ARGS__); } while(0)


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// -------------------------- SHOW DATABASE INTERFACE-----------------------
enum _show_db_index {
  TSDB_SHOW_DB_NAME_INDEX,
  TSDB_SHOW_DB_CREATED_TIME_INDEX,
  TSDB_SHOW_DB_NTABLES_INDEX,
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  TSDB_SHOW_DB_VGROUPS_INDEX,
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  TSDB_SHOW_DB_REPLICA_INDEX,
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  TSDB_SHOW_DB_QUORUM_INDEX,
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  TSDB_SHOW_DB_DAYS_INDEX,
  TSDB_SHOW_DB_KEEP_INDEX,
  TSDB_SHOW_DB_CACHE_INDEX,
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  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,
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  TSDB_SHOW_DB_COMP_INDEX,
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  TSDB_SHOW_DB_PRECISION_INDEX,  
  TSDB_SHOW_DB_UPDATE_INDEX,
  TSDB_SHOW_DB_STATUS_INDEX,
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  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,
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  TSDB_SHOW_TABLES_METRIC_INDEX,  
  TSDB_SHOW_TABLES_UID_INDEX,  
  TSDB_SHOW_TABLES_TID_INDEX,
  TSDB_SHOW_TABLES_VGID_INDEX,  
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  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
};

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#define COL_NOTE_LEN    128

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typedef struct {
  char field[TSDB_COL_NAME_LEN + 1];
  char type[16];
  int length;
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  char note[COL_NOTE_LEN];
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} SColDes;

typedef struct {
  char name[TSDB_COL_NAME_LEN + 1];
  SColDes cols[];
} STableDef;

extern char version[];

typedef struct {
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  char     name[TSDB_DB_NAME_LEN + 1];
  char     create_time[32];
  int32_t  ntables;
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  int32_t  vgroups;
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  int16_t  replica;
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  int16_t  quorum;
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  int16_t  days;
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  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
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  int8_t   update;
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  char     status[16];
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} 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;
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  int64_t   rowsOfDumpOut;
  int64_t   tablesOfDumpOut;
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} SThreadParaObj;

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typedef struct {
  int64_t   totalRowsOfDumpOut;
  int64_t   totalChildTblsOfDumpOut;
  int32_t   totalSuperTblsOfDumpOut;
  int32_t   totalDatabasesOfDumpOut;
} resultStatistics;

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static int64_t totalDumpOutRows = 0;

SDbInfo **dbInfos = NULL;

const char *argp_program_version = version;
const char *argp_program_bug_address = "<support@taosdata.com>";

/* 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
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  {"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},
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  #ifdef _TD_POWER_
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  {"password",      'p', "PASSWORD",    0,  "User password to connect to server. Default is powerdb.",      0},
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  #else
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  {"password",      'p', "PASSWORD",    0,  "User password to connect to server. Default is taosdata.",     0},
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  #endif
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  {"port",          'P', "PORT",        0,  "Port to connect",                                              0},
  {"cversion",      'v', "CVERION",     0,  "client version",                                               0},
  {"mysqlFlag",     'q', "MYSQLFLAG",   0,  "mysqlFlag, Default is 0",                                      0},
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  // input/output file
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  {"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},
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  #ifdef _TD_POWER_
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  {"config",        'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/power/taos.cfg.",         1},
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  #else
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  {"config",        'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/taos/taos.cfg.",          1},
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  #endif
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  {"encode",        'e', "ENCODE",      0,  "Input file encoding.",                                         1},
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  // dump unit options
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  {"all-databases", 'A', 0,             0,  "Dump all databases.",                                          2},
  {"databases",     'B', 0,             0,  "Dump assigned databases",                                      2},
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  // dump format options
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  {"schemaonly",    's', 0,             0,  "Only dump schema.",                                            3},
  {"with-property", 'M', 0,             0,  "Dump schema with properties.",                                 3},
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  {"start-time",    'S', "START_TIME",  0,  "Start time to dump. Either Epoch or ISO8601/RFC3339 format is acceptable. Epoch precision millisecond. ISO8601 format example: 2017-10-01T18:00:00.000+0800 or 2017-10-0100:00:00.000+0800 or '2017-10-01 00:00:00.000+0800'",  3},
  {"end-time",      'E', "END_TIME",    0,  "End time to dump. Either Epoch or ISO8601/RFC3339 format is acceptable. Epoch precision millisecond. ISO8601 format example: 2017-10-01T18:00:00.000+0800 or 2017-10-0100:00:00.000+0800 or '2017-10-01 00:00:00.000+0800'",  3},
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  {"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},
  {"debug",         'g', 0,             0,  "Print debug info.",                                            1},
  {"verbose",       'v', 0,             0,  "Print verbose debug info.",                                    1},
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  {0}};

/* Used by main to communicate with parse_opt. */
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typedef struct arguments {
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  // connection option
  char    *host;
  char    *user;
  char    *password;
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  uint16_t port;
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  char     cversion[12];
  uint16_t mysqlFlag;
  // output file
  char     outpath[TSDB_FILENAME_LEN+1];
  char     inpath[TSDB_FILENAME_LEN+1];
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  // result file
  char    *resultFile;
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  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;
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  int32_t  max_sql_len;
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  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;
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  int       arg_list_len;
  bool      isDumpIn;
  bool      debug_print;
  bool      verbose_print;
  bool      performance_print;
} SArguments;
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/* 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;
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    case 'g':
      arguments->debug_print = true;
      break;
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    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;
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    case 'r':
      arguments->resultFile = arg;
      break;
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    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);
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      if (arguments->data_batch >= INT16_MAX) {
        arguments->data_batch = INT16_MAX - 1;
      } 
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      break;
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    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;
    }  
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    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};
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static resultStatistics g_resultStatistics = {0};
static FILE *g_fpOfResult = NULL;
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static int g_numOfCores = 1;
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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);
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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);
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int taosCheckParam(struct arguments *arguments);
void taosFreeDbInfos();
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static void taosStartDumpOutWorkThreads(void* taosCon, struct arguments* args, int32_t  numOfThread, char *dbName);
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struct arguments g_args = {
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  // connection option
  NULL, 
  "root", 
  #ifdef _TD_POWER_
  "powerdb", 
  #else
  "taosdata", 
  #endif
  0,
  "",
  0,
  // outpath and inpath
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  "",
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  "",
  "./dump_result.txt",
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  NULL,
  // dump unit option
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  false,
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  false,
  // dump format option
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  false,
  false,
  0,
  INT64_MAX,
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  1,
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  TSDB_MAX_SQL_LEN,
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  1,
  false,
  // other options
  5,
  0,
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  NULL,
  0,
  false,
  false,    // debug_print
  false,    // verbose_print
  false     // performance_print
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};
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static int queryDbImpl(TAOS *taos, char *command) {
  int i;
  TAOS_RES *res = NULL;
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  int32_t   code = -1;
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  for (i = 0; i < 5; i++) {
    if (NULL != res) {
      taos_free_result(res);
      res = NULL;
    }
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    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;
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}

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static void parse_args(int argc, char *argv[], SArguments *arguments) {
  for (int i = 1; i < argc; i++) {
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    if ((strcmp(argv[i], "-S") == 0)
        || (strcmp(argv[i], "-E") == 0)) {
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      if (argv[i+1]) {
        char *tmp = strdup(argv[++i]);

        if (tmp) {
          int64_t tmpEpoch;
          if (strchr(tmp, ':') && strchr(tmp, '-')) {
            if (TSDB_CODE_SUCCESS != taosParseTime(
                        tmp, &tmpEpoch, strlen(tmp), TSDB_TIME_PRECISION_MILLI, 0)) {
              fprintf(stderr, "Input end time error!\n");
              free(tmp);
              return;
            }
          } else {
            tmpEpoch = atoll(tmp);
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          }
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          sprintf(argv[i], "%"PRId64"", tmpEpoch);
          debugPrint("%s() LN%d, tmp is: %s, argv[%d]: %s\n",
                 __func__, __LINE__, tmp, i, argv[i]);

          free(tmp);
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        } else {
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          errorPrint("%s() LN%d, strdup() cannot allocate memory\n", __func__, __LINE__);
          exit(-1);
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        }
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      } else {
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        errorPrint("%s need a valid value following!\n", argv[i]);
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        exit(-1);
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      }
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    } else if (strcmp(argv[i], "-g") == 0) {
      arguments->debug_print = true;
    }
  }
}

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int main(int argc, char *argv[]) {

  /* Parse our arguments; every option seen by parse_opt will be
     reflected in arguments. */
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  if (argc > 1)
    parse_args(argc, argv, &g_args);
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  argp_parse(&argp, argc, argv, 0, 0, &g_args);

  if (g_args.abort) {
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    #ifndef _ALPINE
      error(10, 0, "ABORTED");
    #else
      abort();
    #endif
  }

  printf("====== arguments config ======\n");
  {
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    printf("host: %s\n", g_args.host);
    printf("user: %s\n", g_args.user);
    printf("password: %s\n", g_args.password);
    printf("port: %u\n", g_args.port);
    printf("cversion: %s\n", g_args.cversion);
    printf("mysqlFlag: %d\n", g_args.mysqlFlag);
    printf("outpath: %s\n", g_args.outpath);
    printf("inpath: %s\n", g_args.inpath);
    printf("resultFile: %s\n", g_args.resultFile);
    printf("encode: %s\n", g_args.encode);
    printf("all_databases: %d\n", g_args.all_databases);
    printf("databases: %d\n", g_args.databases);
    printf("schemaonly: %d\n", g_args.schemaonly);
    printf("with_property: %d\n", g_args.with_property);
    printf("start_time: %" PRId64 "\n", g_args.start_time);
    printf("end_time: %" PRId64 "\n", g_args.end_time);
    printf("data_batch: %d\n", g_args.data_batch);
    printf("max_sql_len: %d\n", g_args.max_sql_len);
    printf("table_batch: %d\n", g_args.table_batch);
    printf("thread_num: %d\n", g_args.thread_num);
    printf("allow_sys: %d\n", g_args.allow_sys);
    printf("abort: %d\n", g_args.abort);
    printf("isDumpIn: %d\n", g_args.isDumpIn);
    printf("arg_list_len: %d\n", g_args.arg_list_len);
    printf("debug_print: %d\n", g_args.debug_print);

    for (int32_t i = 0; i < g_args.arg_list_len; i++) {
      printf("arg_list[%d]: %s\n", i, g_args.arg_list[i]);
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    }
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  }
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  printf("==============================\n");

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  if (g_args.cversion[0] != 0){
    tstrncpy(version, g_args.cversion, 11);
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  }

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  if (taosCheckParam(&g_args) < 0) {
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    exit(EXIT_FAILURE);
  }
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  g_fpOfResult = fopen(g_args.resultFile, "a");
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  if (NULL == g_fpOfResult) {
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    fprintf(stderr, "Failed to open %s for save result\n", g_args.resultFile);
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    return 1;
  };

  fprintf(g_fpOfResult, "#############################################################################\n");
  fprintf(g_fpOfResult, "============================== arguments config =============================\n");
  {
592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618
    fprintf(g_fpOfResult, "host: %s\n", g_args.host);
    fprintf(g_fpOfResult, "user: %s\n", g_args.user);
    fprintf(g_fpOfResult, "password: %s\n", g_args.password);
    fprintf(g_fpOfResult, "port: %u\n", g_args.port);
    fprintf(g_fpOfResult, "cversion: %s\n", g_args.cversion);
    fprintf(g_fpOfResult, "mysqlFlag: %d\n", g_args.mysqlFlag);
    fprintf(g_fpOfResult, "outpath: %s\n", g_args.outpath);
    fprintf(g_fpOfResult, "inpath: %s\n", g_args.inpath);
    fprintf(g_fpOfResult, "resultFile: %s\n", g_args.resultFile);
    fprintf(g_fpOfResult, "encode: %s\n", g_args.encode);
    fprintf(g_fpOfResult, "all_databases: %d\n", g_args.all_databases);
    fprintf(g_fpOfResult, "databases: %d\n", g_args.databases);
    fprintf(g_fpOfResult, "schemaonly: %d\n", g_args.schemaonly);
    fprintf(g_fpOfResult, "with_property: %d\n", g_args.with_property);
    fprintf(g_fpOfResult, "start_time: %" PRId64 "\n", g_args.start_time);
    fprintf(g_fpOfResult, "end_time: %" PRId64 "\n", g_args.end_time);
    fprintf(g_fpOfResult, "data_batch: %d\n", g_args.data_batch);
    fprintf(g_fpOfResult, "max_sql_len: %d\n", g_args.max_sql_len);
    fprintf(g_fpOfResult, "table_batch: %d\n", g_args.table_batch);
    fprintf(g_fpOfResult, "thread_num: %d\n", g_args.thread_num);
    fprintf(g_fpOfResult, "allow_sys: %d\n", g_args.allow_sys);
    fprintf(g_fpOfResult, "abort: %d\n", g_args.abort);
    fprintf(g_fpOfResult, "isDumpIn: %d\n", g_args.isDumpIn);
    fprintf(g_fpOfResult, "arg_list_len: %d\n", g_args.arg_list_len);

    for (int32_t i = 0; i < g_args.arg_list_len; i++) {
      fprintf(g_fpOfResult, "arg_list[%d]: %s\n", i, g_args.arg_list[i]);
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    }
  }

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  g_numOfCores = (int32_t)sysconf(_SC_NPROCESSORS_ONLN);

624 625 626
  time_t tTime = time(NULL);
  struct tm tm = *localtime(&tTime);

627
  if (g_args.isDumpIn) {
628 629 630
    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);
631
    if (taosDumpIn(&g_args) < 0) {
632 633 634 635
      fprintf(g_fpOfResult, "\n");
      fclose(g_fpOfResult);
      return -1;
    }
636
  } else {
637 638 639
    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);
640
    if (taosDumpOut(&g_args) < 0) {
641 642 643 644 645 646 647
      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);
648 649 650
    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);
651 652
  }

653 654 655
  fprintf(g_fpOfResult, "\n");
  fclose(g_fpOfResult);

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  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);
  
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  TAOS_RES *res = taos_query(taosCon, tmpCommand);
  int32_t code = taos_errno(res);
778 779 780
  if (code != 0) {
    fprintf(stderr, "failed to run command %s\n", tmpCommand);
    free(tmpCommand);
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    taos_free_result(res);
782 783
    return -1;
  }
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  free(tmpCommand);
785

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  char     tmpBuf[TSDB_FILENAME_LEN + 1];
  memset(tmpBuf, 0, TSDB_FILENAME_LEN);
  sprintf(tmpBuf, ".select-tbname.tmp");
  fd = open(tmpBuf, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
  if (fd == -1) {
    fprintf(stderr, "failed to open temp file: %s\n", tmpBuf);
    taos_free_result(res);
    return -1;
  }
795

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  TAOS_FIELD *fields = taos_fetch_fields(res);
797
  
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  int32_t  numOfTable  = 0;
  while ((row = taos_fetch_row(res)) != NULL) {  

801 802 803
    memset(&tableRecord, 0, sizeof(STableRecord));
    tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes);
    tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
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    taosWrite(fd, &tableRecord, sizeof(STableRecord));    
806
    numOfTable++;
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  }
  taos_free_result(res);
  lseek(fd, 0, SEEK_SET);
  
  int maxThreads = arguments->thread_num;
  int tableOfPerFile ;
  if (numOfTable <= arguments->thread_num) {
    tableOfPerFile = 1;
    maxThreads = numOfTable;
  } else {
    tableOfPerFile = numOfTable / arguments->thread_num;
    if (0 != numOfTable % arguments->thread_num) {
      tableOfPerFile += 1;
    }    
  }
822

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  char* tblBuf = (char*)calloc(1, tableOfPerFile * sizeof(STableRecord));
  if (NULL == tblBuf){
    fprintf(stderr, "failed to calloc %" PRIzu "\n", tableOfPerFile * sizeof(STableRecord));      
    close(fd);
    return -1;
  }
  
  int32_t  numOfThread = *totalNumOfThread;
  int      subFd = -1;
  for (; numOfThread < maxThreads; numOfThread++) {
    memset(tmpBuf, 0, TSDB_FILENAME_LEN);
    sprintf(tmpBuf, ".tables.tmp.%d", numOfThread);
    subFd = open(tmpBuf, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
    if (subFd == -1) {
      fprintf(stderr, "failed to open temp file: %s\n", tmpBuf);
      for (int32_t loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
        sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
        (void)remove(tmpBuf);
      }
      sprintf(tmpBuf, ".select-tbname.tmp");
      (void)remove(tmpBuf);      
844
      free(tblBuf);
845
      close(fd);
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      return -1;
847
    }
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    // read tableOfPerFile for fd, write to subFd
    ssize_t readLen = read(fd, tblBuf, tableOfPerFile * sizeof(STableRecord));
    if (readLen <= 0) {
      close(subFd);
      break;
    }
    taosWrite(subFd, tblBuf, readLen);
    close(subFd);
857
  }
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  sprintf(tmpBuf, ".select-tbname.tmp");
  (void)remove(tmpBuf);
861 862 863 864
  
  if (fd >= 0) {
    close(fd);
    fd = -1;
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  }  
866 867 868

  *totalNumOfThread = numOfThread;

869
  free(tblBuf);
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  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) {
925
    fprintf(stderr, "failed to run command: %s, reason: %s\n", command, taos_errstr(result));
926 927 928 929 930 931
    goto _exit_failure;
  }

  TAOS_FIELD *fields = taos_fetch_fields(result);

  while ((row = taos_fetch_row(result)) != NULL) {
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    // 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 &&
934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960
        (!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);
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    if (arguments->with_property) {
962
      dbInfos[count]->ntables = *((int32_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]);
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      dbInfos[count]->vgroups = *((int32_t *)row[TSDB_SHOW_DB_VGROUPS_INDEX]);  
964
      dbInfos[count]->replica = *((int16_t *)row[TSDB_SHOW_DB_REPLICA_INDEX]);
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      dbInfos[count]->quorum = *((int16_t *)row[TSDB_SHOW_DB_QUORUM_INDEX]);
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      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]);
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      dbInfos[count]->update = *((int8_t *)row[TSDB_SHOW_DB_UPDATE_INDEX]);
    }
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    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 <db>
      taosDumpDb(dbInfos[0], arguments, fp, taos);
    } else {                                        // case: taosdump <db> tablex tabley ...
      taosDumpCreateDbClause(dbInfos[0], arguments->with_property, fp);
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      fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfos[0]->name);
      g_resultStatistics.totalDatabasesOfDumpOut++;
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      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;
1025
      int superTblCnt = 0 ;
1026 1027 1028 1029 1030 1031 1032
      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
1033 1034 1035 1036
          int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name);
          if (0 == ret) {
            superTblCnt++;
          }
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          retCode = taosSaveTableOfMetricToTempFile(taos, tableRecordInfo.tableRecord.metric, arguments, &totalNumOfThread);
        } else {
          if (tableRecordInfo.tableRecord.metric[0] != '\0') {  // dump this sub table and it's metric
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            int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name);
            if (0 == ret) {
              superTblCnt++;
            }            
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          }
          retCode = taosSaveAllNormalTableToTempFile(taos, tableRecordInfo.tableRecord.name, tableRecordInfo.tableRecord.metric, &normalTblFd);
        }

        if (retCode < 0) {
          if (-1 != normalTblFd){
            taosClose(normalTblFd);
          }
          goto _clean_tmp_file;
        }
      }
1055 1056 1057 1058
      
      // TODO: save dump super table <superTblCnt> into result_output.txt
      fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
      g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1059 1060 1061 1062 1063 1064

      if (-1 != normalTblFd){
        taosClose(normalTblFd);
      }

      // start multi threads to dumpout
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      taosStartDumpOutWorkThreads(taos, arguments, totalNumOfThread, dbInfos[0]->name);
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      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;
}

1095
int taosGetTableDes(char* dbName, char *table, STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1096
  TAOS_ROW row = NULL;
1097
  TAOS_RES* res = NULL;
1098 1099
  int count = 0;

1100 1101
  char sqlstr[COMMAND_SIZE];
  sprintf(sqlstr, "describe %s.%s;", dbName, table);
1102
  
1103 1104
  res = taos_query(taosCon, sqlstr);  
  int32_t code = taos_errno(res);
1105
  if (code != 0) {
1106 1107
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1108 1109 1110
    return -1;
  }

1111
  TAOS_FIELD *fields = taos_fetch_fields(res);
1112 1113 1114

  tstrncpy(tableDes->name, table, TSDB_COL_NAME_LEN);

1115
  while ((row = taos_fetch_row(res)) != NULL) {
1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126
    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++;
  }

1127 1128
  taos_free_result(res);
  res = NULL;
1129 1130 1131 1132 1133 1134 1135 1136 1137 1138

  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;


1139
    sprintf(sqlstr, "select %s from %s.%s", tableDes->cols[i].field, dbName, table);
1140
    
1141 1142
    res = taos_query(taosCon, sqlstr);  
    code = taos_errno(res);
1143
    if (code != 0) {
1144 1145
      fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1146 1147 1148
      return -1;
    }
    
1149
    fields = taos_fetch_fields(res); 
1150

1151
    row = taos_fetch_row(res);
1152
    if (NULL == row) {
1153 1154
      fprintf(stderr, " fetch failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1155 1156 1157 1158 1159
      return -1;
    }

    if (row[0] == NULL) {
      sprintf(tableDes->cols[i].note, "%s", "NULL");
1160 1161
      taos_free_result(res);
      res = NULL;
1162 1163 1164
      continue;
    }
    
1165
    int32_t* length = taos_fetch_lengths(res);
1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189

    //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;
1190
      case TSDB_DATA_TYPE_BINARY: {
1191 1192
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
        tableDes->cols[i].note[0] = '\'';
1193 1194
        char tbuf[COL_NOTE_LEN];
        converStringToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
1195 1196 1197
        char* pstr = stpcpy(&(tableDes->cols[i].note[1]), tbuf);
        *(pstr++) = '\'';
        break;
1198 1199
      }
      case TSDB_DATA_TYPE_NCHAR: {
1200
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
1201 1202
        char tbuf[COL_NOTE_LEN-2];    // need reserve 2 bytes for ' ' 
        convertNCharToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
1203 1204
        sprintf(tableDes->cols[i].note, "\'%s\'", tbuf);
        break;
1205
      }
1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224
      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;
    }
  
1225 1226
    taos_free_result(res);
    res = NULL;    
1227 1228 1229 1230 1231
  }

  return count;
}

1232
int32_t taosDumpTable(char *table, char *metric, struct arguments *arguments, FILE *fp, TAOS* taosCon, char* dbName) {
1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250
  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);
    */

1251
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1252 1253 1254 1255 1256 1257 1258

    if (count < 0) {
      free(tableDes);
      return -1;
    }

    // create child-table using super-table
1259
    taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1260 1261

  } else {  // dump table definition
1262
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1263 1264 1265 1266 1267 1268 1269

    if (count < 0) {
      free(tableDes);
      return -1;
    }

    // create normal-table or super-table
1270
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1271 1272 1273 1274
  }

  free(tableDes);

1275
  return taosDumpTableData(fp, table, arguments, taosCon, dbName);
1276 1277 1278
}

void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp) {
1279
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1280

1281 1282
  char *pstr = sqlstr;
  pstr += sprintf(pstr, "CREATE DATABASE IF NOT EXISTS %s ", dbInfo->name);
1283 1284
  if (isDumpProperty) {
    pstr += sprintf(pstr,
1285 1286 1287
        "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);
1288 1289 1290
  }

  pstr += sprintf(pstr, ";");
1291
  fprintf(fp, "%s\n\n", sqlstr);
1292 1293 1294 1295 1296 1297 1298 1299
}

void* taosDumpOutWorkThreadFp(void *arg)
{
  SThreadParaObj *pThread = (SThreadParaObj*)arg;
  STableRecord    tableRecord;
  int fd;  
  
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  char tmpBuf[TSDB_FILENAME_LEN*4] = {0};
  sprintf(tmpBuf, ".tables.tmp.%d", pThread->threadIndex);
  fd = open(tmpBuf, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
1303
  if (fd == -1) {
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    fprintf(stderr, "taosDumpTableFp() failed to open temp file: %s\n", tmpBuf);
1305 1306 1307 1308
    return NULL;
  }

  FILE *fp = NULL;
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  memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);
1310
  
1311 1312
  if (g_args.outpath[0] != 0) {
    sprintf(tmpBuf, "%s/%s.tables.%d.sql", g_args.outpath, pThread->dbName, pThread->threadIndex);
1313
  } else {
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    sprintf(tmpBuf, "%s.tables.%d.sql", pThread->dbName, pThread->threadIndex);
1315 1316
  }
  
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  fp = fopen(tmpBuf, "w");
1318
  if (fp == NULL) {
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    fprintf(stderr, "failed to open file %s\n", tmpBuf);
1320 1321 1322 1323
    close(fd);
    return NULL;
  }

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  memset(tmpBuf, 0, TSDB_FILENAME_LEN);
  sprintf(tmpBuf, "use %s", pThread->dbName);
1326
  
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  TAOS_RES* tmpResult = taos_query(pThread->taosCon, tmpBuf);  
1328 1329 1330 1331 1332 1333 1334 1335 1336
  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;
  }

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  int     fileNameIndex = 1;
  int     tablesInOneFile = 0;
  int64_t lastRowsPrint = 5000000;
1340 1341 1342 1343
  fprintf(fp, "USE %s;\n\n", pThread->dbName);
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
1344

1345
    int ret = taosDumpTable(tableRecord.name, tableRecord.metric, &g_args, fp, pThread->taosCon, pThread->dbName);
1346 1347 1348 1349
    if (ret >= 0) {
      // TODO: sum table count and table rows by self
      pThread->tablesOfDumpOut++;
      pThread->rowsOfDumpOut += ret;
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      if (pThread->rowsOfDumpOut >= lastRowsPrint) {
        printf(" %"PRId64 " rows already be dumpout from database %s\n", pThread->rowsOfDumpOut, pThread->dbName);
        lastRowsPrint += 5000000;
      }

      tablesInOneFile++;
1357
      if (tablesInOneFile >= g_args.table_batch) {
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        fclose(fp);
        tablesInOneFile = 0;
        
        memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);        
1362 1363
        if (g_args.outpath[0] != 0) {
          sprintf(tmpBuf, "%s/%s.tables.%d-%d.sql", g_args.outpath, pThread->dbName, pThread->threadIndex, fileNameIndex);
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        } else {
          sprintf(tmpBuf, "%s.tables.%d-%d.sql", pThread->dbName, pThread->threadIndex, fileNameIndex);
        }
        fileNameIndex++;
        
        fp = fopen(tmpBuf, "w");
        if (fp == NULL) {
          fprintf(stderr, "failed to open file %s\n", tmpBuf);
          close(fd);
          taos_free_result(tmpResult);
          return NULL;
        }
      }
1377
    }
1378 1379 1380 1381 1382 1383 1384 1385 1386
  }

  taos_free_result(tmpResult);
  close(fd);
  fclose(fp);  

  return NULL;
}

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static void taosStartDumpOutWorkThreads(void* taosCon, struct arguments* args, int32_t  numOfThread, char *dbName)
1388 1389 1390 1391 1392
{
  pthread_attr_t thattr;
  SThreadParaObj *threadObj = (SThreadParaObj *)calloc(numOfThread, sizeof(SThreadParaObj));
  for (int t = 0; t < numOfThread; ++t) {
    SThreadParaObj *pThread = threadObj + t;
1393 1394
    pThread->rowsOfDumpOut = 0;
    pThread->tablesOfDumpOut = 0;
1395 1396 1397
    pThread->threadIndex = t;
    pThread->totalThreads = numOfThread;
    tstrncpy(pThread->dbName, dbName, TSDB_TABLE_NAME_LEN);
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    pThread->taosCon = taosCon;        
1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412

    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);
  }

1413 1414 1415
  // 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;
1416
  for (int32_t t = 0; t < numOfThread; ++t) {
1417 1418
    totalChildTblsOfDumpOut += threadObj[t].tablesOfDumpOut;
    totalRowsOfDumpOut      += threadObj[t].rowsOfDumpOut;
1419
  }
1420 1421 1422 1423 1424

  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;
1425 1426 1427 1428 1429
  free(threadObj);
}



1430
int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName) {
1431 1432 1433 1434 1435 1436 1437 1438
  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);
  }

1439
  count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1440 1441 1442

  if (count < 0) {
    free(tableDes);
1443
    fprintf(stderr, "failed to get stable[%s] schema\n", table);
1444 1445 1446
    exit(-1);
  }

1447
  taosDumpCreateTableClause(tableDes, count, fp, dbName);
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458

  free(tableDes);
  return 0;
}


int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp) 
{
  TAOS_ROW row;
  int fd = -1;
  STableRecord tableRecord;
1459
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1460

1461
  sprintf(sqlstr, "show %s.stables", dbName);
1462
  
1463 1464
  TAOS_RES* res = taos_query(taosCon, sqlstr);  
  int32_t  code = taos_errno(res);
1465
  if (code != 0) {
1466 1467
    fprintf(stderr, "failed to run command <%s>, reason: %s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1468 1469 1470
    exit(-1);
  }

1471
  TAOS_FIELD *fields = taos_fetch_fields(res);
1472 1473 1474 1475 1476 1477 1478

  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);
1479
    taos_free_result(res);
1480 1481 1482 1483
    (void)remove(".stables.tmp");
    exit(-1);
  }
  
1484
  while ((row = taos_fetch_row(res)) != NULL) {  
1485 1486 1487 1488 1489
    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));
  }  
  
1490
  taos_free_result(res);
1491 1492
  (void)lseek(fd, 0, SEEK_SET);

1493
  int superTblCnt = 0;
1494 1495 1496 1497
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
    
1498 1499 1500 1501
    int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
    if (0 == ret) {
      superTblCnt++;
    }
1502 1503
  }

1504 1505 1506 1507
  // TODO: save dump super table <superTblCnt> into result_output.txt
  fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
  g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;

1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
  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);
  
1522 1523 1524 1525
  fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfo->name);
  g_resultStatistics.totalDatabasesOfDumpOut++;

  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1526 1527 1528 1529 1530

  fprintf(fp, "USE %s;\n\n", dbInfo->name);
  
  (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp);

1531
  sprintf(sqlstr, "show %s.tables", dbInfo->name);
1532
  
1533 1534
  TAOS_RES* res = taos_query(taosCon, sqlstr);  
  int code = taos_errno(res);
1535
  if (code != 0) {
1536 1537
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1538 1539 1540
    return -1;
  }

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  char tmpBuf[TSDB_FILENAME_LEN + 1];
  memset(tmpBuf, 0, TSDB_FILENAME_LEN);
  sprintf(tmpBuf, ".show-tables.tmp");
  fd = open(tmpBuf, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
  if (fd == -1) {
    fprintf(stderr, "failed to open temp file: %s\n", tmpBuf);
    taos_free_result(res);
    return -1;
  }
1550

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  TAOS_FIELD *fields = taos_fetch_fields(res);
1552
  
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  int32_t  numOfTable  = 0;
  while ((row = taos_fetch_row(res)) != NULL) {  
1555 1556 1557
    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);
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1559
    taosWrite(fd, &tableRecord, sizeof(STableRecord));
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1561
    numOfTable++;
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  }
  taos_free_result(res);
  lseek(fd, 0, SEEK_SET);
1565

1566
  int maxThreads = g_args.thread_num;
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  int tableOfPerFile ;
1568
  if (numOfTable <= g_args.thread_num) {
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    tableOfPerFile = 1;
    maxThreads = numOfTable;
  } else {
1572 1573
    tableOfPerFile = numOfTable / g_args.thread_num;
    if (0 != numOfTable % g_args.thread_num) {
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      tableOfPerFile += 1;
    }    
  }

  char* tblBuf = (char*)calloc(1, tableOfPerFile * sizeof(STableRecord));
  if (NULL == tblBuf){
    fprintf(stderr, "failed to calloc %" PRIzu "\n", tableOfPerFile * sizeof(STableRecord));
    close(fd);
    return -1;
  }
  
  int32_t  numOfThread = 0;
  int      subFd = -1;
  for (numOfThread = 0; numOfThread < maxThreads; numOfThread++) {
    memset(tmpBuf, 0, TSDB_FILENAME_LEN);
    sprintf(tmpBuf, ".tables.tmp.%d", numOfThread);
    subFd = open(tmpBuf, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
    if (subFd == -1) {
      fprintf(stderr, "failed to open temp file: %s\n", tmpBuf);
      for (int32_t loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
        sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
        (void)remove(tmpBuf);
      }
      sprintf(tmpBuf, ".show-tables.tmp");
      (void)remove(tmpBuf);
1599
      free(tblBuf);
1600
      close(fd);
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1601
      return -1;
1602
    }
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1603 1604 1605 1606 1607 1608 1609 1610 1611

    // read tableOfPerFile for fd, write to subFd
    ssize_t readLen = read(fd, tblBuf, tableOfPerFile * sizeof(STableRecord));
    if (readLen <= 0) {
      close(subFd);
      break;
    }
    taosWrite(subFd, tblBuf, readLen);
    close(subFd);
1612 1613
  }

H
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1614 1615 1616
  sprintf(tmpBuf, ".show-tables.tmp");
  (void)remove(tmpBuf);

1617 1618 1619 1620 1621
  if (fd >= 0) {
    close(fd);
    fd = -1;
  }
  
1622
  taos_free_result(res);
1623 1624

  // start multi threads to dumpout
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1625
  taosStartDumpOutWorkThreads(taosCon, arguments, numOfThread, dbInfo->name);
1626
  for (int loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
H
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1627 1628
    sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
    (void)remove(tmpBuf);
1629
  }  
1630

1631
  free(tblBuf);
1632 1633 1634
  return 0;
}

1635
void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName) {
1636 1637
  int counter = 0;
  int count_temp = 0;
1638
  char sqlstr[COMMAND_SIZE];
1639

1640
  char* pstr = sqlstr;
1641

1642
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s", dbName, tableDes->name);
1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675

  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, ");");

1676
  fprintf(fp, "%s\n\n", sqlstr);
1677 1678
}

1679
void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName) {
1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691
  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;

1692
  pstr += sprintf(tmpBuf, "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (", dbName, tableDes->name, dbName, metric);
1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732

  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);
}

1733
int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName) {
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1734 1735
  int64_t    lastRowsPrint = 5000000;
  int64_t    totalRows     = 0;
1736 1737 1738 1739
  int count = 0;
  char *pstr = NULL;
  TAOS_ROW row = NULL;
  int numFields = 0;
1740 1741 1742
  
  if (arguments->schemaonly) {
    return 0;
1743 1744
  }

1745 1746
  int32_t  sql_buf_len = arguments->max_sql_len;
  char* tmpBuffer = (char *)calloc(1, sql_buf_len + 128);
1747 1748 1749 1750 1751 1752 1753
  if (tmpBuffer == NULL) {
    fprintf(stderr, "failed to allocate memory\n");
    return -1;
  }

  pstr = tmpBuffer;

1754 1755 1756 1757
  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);
1758
  
1759
  TAOS_RES* tmpResult = taos_query(taosCon, sqlstr);  
1760 1761
  int32_t code = taos_errno(tmpResult);
  if (code != 0) {
1762
    fprintf(stderr, "failed to run command %s, reason: %s\n", sqlstr, taos_errstr(tmpResult));
1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
    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;
1773 1774
  int32_t  curr_sqlstr_len = 0;
  int32_t  total_sqlstr_len = 0;
1775 1776 1777
  count = 0;
  while ((row = taos_fetch_row(tmpResult)) != NULL) {
    pstr = tmpBuffer;
1778
    curr_sqlstr_len = 0;
1779 1780 1781 1782
    
    int32_t* length = taos_fetch_lengths(tmpResult);   // act len

    if (count == 0) {
1783
      total_sqlstr_len = 0;
1784
      curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "INSERT INTO %s.%s VALUES (", dbName, tbname);
1785
    } else {
1786 1787
      if (arguments->mysqlFlag) {
        if (0 == rowFlag) {
1788
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1789 1790
          rowFlag++;
        } else {
1791
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", (");
1792 1793
        }
      } else {
1794
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1795 1796 1797 1798
      }
    }

    for (int col = 0; col < numFields; col++) {
1799
      if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
1800 1801

      if (row[col] == NULL) {
1802
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
1803 1804 1805 1806 1807
        continue;
      }

      switch (fields[col].type) {
        case TSDB_DATA_TYPE_BOOL:
1808
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", ((((int32_t)(*((char *)row[col]))) == 1) ? 1 : 0));
1809 1810
          break;
        case TSDB_DATA_TYPE_TINYINT:
1811
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int8_t *)row[col]));
1812 1813
          break;
        case TSDB_DATA_TYPE_SMALLINT:
1814
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int16_t *)row[col]));
1815 1816
          break;
        case TSDB_DATA_TYPE_INT:
1817
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int32_t *)row[col]));
1818 1819
          break;
        case TSDB_DATA_TYPE_BIGINT:
1820
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *((int64_t *)row[col]));
1821 1822
          break;
        case TSDB_DATA_TYPE_FLOAT:
1823
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_FLOAT_VAL(row[col]));
1824 1825
          break;
        case TSDB_DATA_TYPE_DOUBLE:
1826
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_DOUBLE_VAL(row[col]));
1827
          break;
1828 1829
        case TSDB_DATA_TYPE_BINARY: {
          char tbuf[COMMAND_SIZE] = {0};
1830
          //*(pstr++) = '\'';
1831
          converStringToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1832 1833 1834
          //pstr = stpcpy(pstr, tbuf);
          //*(pstr++) = '\'';
          pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);          
1835
          break;
1836 1837 1838
        }
        case TSDB_DATA_TYPE_NCHAR: {
          char tbuf[COMMAND_SIZE] = {0};
1839
          convertNCharToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1840
          pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
1841
          break;
1842
        }
1843 1844
        case TSDB_DATA_TYPE_TIMESTAMP:
          if (!arguments->mysqlFlag) {
1845
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *(int64_t *)row[col]);
1846 1847 1848 1849 1850 1851
          } 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);
1852
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s.%03d\'", buf, (int)(ts % 1000));
1853 1854 1855 1856 1857 1858 1859
          }
          break;
        default:
          break;
      }
    }

1860
    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ") ");
1861

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1862
    totalRows++;    
1863 1864
    count++;
    fprintf(fp, "%s", tmpBuffer);
H
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1865 1866 1867 1868 1869
    
    if (totalRows >= lastRowsPrint) {
      printf(" %"PRId64 " rows already be dumpout from %s.%s\n", totalRows, dbName, tbname);
      lastRowsPrint += 5000000;
    }
1870

1871 1872 1873
    total_sqlstr_len += curr_sqlstr_len;

    if ((count >= arguments->data_batch) || (sql_buf_len - total_sqlstr_len < TSDB_MAX_BYTES_PER_ROW)) {
1874 1875 1876 1877 1878 1879 1880
      fprintf(fp, ";\n");
      count = 0;
    } //else {
      //fprintf(fp, "\\\n");
    //}
  }

1881
  fprintf(fp, "\n");
1882
  atomic_add_fetch_64(&totalDumpOutRows, totalRows);
1883

1884 1885
  taos_free_result(tmpResult);
  free(tmpBuffer);
1886
  return totalRows;
1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898
}

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;
  }
1899

1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185
  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");
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    int tsSqlFileNumOfTbls = tsSqlFileNum;
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    if (tsDbSqlFile[0] != 0) {
2188
      tsSqlFileNumOfTbls--;
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    }
    taosMallocSQLFiles();
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    if (0 != tsSqlFileNumOfTbls) {
      taosParseDirectory(inputDir, "sql", tsDumpInSqlFiles, tsSqlFileNumOfTbls);
    }
    fprintf(stdout, "\nstart to dispose %d files in %s\n", tsSqlFileNum, inputDir);
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  }
  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;

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  cmd  = (char *)malloc(TSDB_MAX_ALLOWED_SQL_LEN);
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  if (cmd == NULL) {
    fprintf(stderr, "failed to allocate memory\n");
    return -1;
  }

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  int lastRowsPrint = 5000000;
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  int lineNo = 0;
  while ((read_len = getline(&line, &line_len, fp)) != -1) {
    ++lineNo;
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    if (read_len >= TSDB_MAX_ALLOWED_SQL_LEN) continue;
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    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';
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    if (queryDbImpl(taos, cmd)) {
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      fprintf(stderr, "error sql: linenu:%d, file:%s\n", lineNo, fileName);
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      fprintf(g_fpOfResult, "error sql: linenu:%d, file:%s\n", lineNo, fileName);
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    }

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    memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN);
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    cmd_len = 0;    
    
    if (lineNo >= lastRowsPrint) {
      printf(" %d lines already be executed from file %s\n", lineNo, fileName);
      lastRowsPrint += 5000000;
    }
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  }

  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);
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      taosDumpInOneFile(pThread->taosCon, fp, tsfCharset, g_args.encode, SQLFileName);
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    }
  }

  return NULL;
}

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static void taosStartDumpInWorkThreads(void* taosCon, struct arguments *args)
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{
  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;
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    pThread->taosCon = taosCon;
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    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);

2347
  int32_t  tsSqlFileNumOfTbls = tsSqlFileNum;
2348
  if (tsDbSqlFile[0] != 0) {
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    tsSqlFileNumOfTbls--;
    
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    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);
  }

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  if (0 != tsSqlFileNumOfTbls) {
      taosStartDumpInWorkThreads(taos, arguments);
  } 
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  taos_close(taos);
  taosFreeSQLFiles();
  return 0;
}