taosdump.c 70.9 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;

// -------------------------- 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
};

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 {
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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;  
  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
  {"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},
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  {"resultFile",    'r', "RESULTFILE",  0,  "DumpOut/In Result file path and name.",                      1},
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  #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},
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  {"max-sql-len",   'L', "SQL_LEN",     0,  "Max length of one sql. Default is 65480.",                    3},
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  {"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];
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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;
  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;
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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 tsArguments = {
  // connection option
  NULL, 
  "root", 
  #ifdef _TD_POWER_
  "powerdb", 
  #else
  "taosdata", 
  #endif
  0,
  "",
  0,
  // outpath and inpath
  "", 
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  "",
  "./dump_result.txt",
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  NULL,
  // dump unit option
  false, 
  false,
  // dump format option
  false, 
  false, 
  0, 
  INT64_MAX, 
  1,
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  TSDB_MAX_SQL_LEN,
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  1,
  false,
  // other options
  5,
  0,
  NULL, 
  0, 
  false
};
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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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}

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);
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    printf("resultFile: %s\n", tsArguments.resultFile);
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    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);
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    printf("max_sql_len: %d\n", tsArguments.max_sql_len);
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    printf("table_batch: %d\n", tsArguments.table_batch);
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    printf("thread_num: %d\n", tsArguments.thread_num);    
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    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);
  }
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  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);
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    for (int32_t i = 0; i < tsArguments.arg_list_len; i++) {
      fprintf(g_fpOfResult, "arg_list[%d]: %s\n", i, tsArguments.arg_list[i]);
    }
  }

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  g_numOfCores = (int32_t)sysconf(_SC_NPROCESSORS_ONLN);

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  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;
    }
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  } else {
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    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);    
579 580
  }

581 582 583
  fprintf(g_fpOfResult, "\n");
  fclose(g_fpOfResult);

584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703
  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);
706 707 708
  if (code != 0) {
    fprintf(stderr, "failed to run command %s\n", tmpCommand);
    free(tmpCommand);
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    taos_free_result(res);
710 711
    return -1;
  }
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  free(tmpCommand);
713

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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;
  }
723

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  TAOS_FIELD *fields = taos_fetch_fields(res);
725
  
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  int32_t  numOfTable  = 0;
  while ((row = taos_fetch_row(res)) != NULL) {  

729 730 731
    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));    
734
    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;
    }    
  }
750

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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);      
772
      close(fd);
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      return -1;
774
    }
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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);
784
  }
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  sprintf(tmpBuf, ".select-tbname.tmp");
  (void)remove(tmpBuf);
788 789 790 791
  
  if (fd >= 0) {
    close(fd);
    fd = -1;
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  }  
793 794 795

  *totalNumOfThread = numOfThread;

796
  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) {
852
    fprintf(stderr, "failed to run command: %s, reason: %s\n", command, taos_errstr(result));
853 854 855 856 857 858
    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 &&
861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887
        (!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) {
889
      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]);  
891
      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);
935 936
      fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfos[0]->name);
      g_resultStatistics.totalDatabasesOfDumpOut++;
937 938 939 940 941 942 943 944 945 946 947 948 949 950 951

      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;
952
      int superTblCnt = 0 ;
953 954 955 956 957 958 959
      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
960 961 962 963
          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;
        }
      }
982 983 984 985
      
      // TODO: save dump super table <superTblCnt> into result_output.txt
      fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
      g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
986 987 988 989 990 991

      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;
}

1022
int taosGetTableDes(char* dbName, char *table, STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1023
  TAOS_ROW row = NULL;
1024
  TAOS_RES* res = NULL;
1025 1026
  int count = 0;

1027 1028
  char sqlstr[COMMAND_SIZE];
  sprintf(sqlstr, "describe %s.%s;", dbName, table);
1029
  
1030 1031
  res = taos_query(taosCon, sqlstr);  
  int32_t code = taos_errno(res);
1032
  if (code != 0) {
1033 1034
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1035 1036 1037
    return -1;
  }

1038
  TAOS_FIELD *fields = taos_fetch_fields(res);
1039 1040 1041

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

1042
  while ((row = taos_fetch_row(res)) != NULL) {
1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053
    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++;
  }

1054 1055
  taos_free_result(res);
  res = NULL;
1056 1057 1058 1059 1060 1061 1062 1063 1064 1065

  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;


1066
    sprintf(sqlstr, "select %s from %s.%s", tableDes->cols[i].field, dbName, table);
1067
    
1068 1069
    res = taos_query(taosCon, sqlstr);  
    code = taos_errno(res);
1070
    if (code != 0) {
1071 1072
      fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1073 1074 1075
      return -1;
    }
    
1076
    fields = taos_fetch_fields(res); 
1077

1078
    row = taos_fetch_row(res);
1079
    if (NULL == row) {
1080 1081
      fprintf(stderr, " fetch failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1082 1083 1084 1085 1086
      return -1;
    }

    if (row[0] == NULL) {
      sprintf(tableDes->cols[i].note, "%s", "NULL");
1087 1088
      taos_free_result(res);
      res = NULL;
1089 1090 1091
      continue;
    }
    
1092
    int32_t* length = taos_fetch_lengths(res);
1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116

    //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;
1117
      case TSDB_DATA_TYPE_BINARY: {
1118 1119
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
        tableDes->cols[i].note[0] = '\'';
1120
        char tbuf[COMMAND_SIZE];
1121 1122 1123 1124
        converStringToReadable((char *)row[0], length[0], tbuf, COMMAND_SIZE);
        char* pstr = stpcpy(&(tableDes->cols[i].note[1]), tbuf);
        *(pstr++) = '\'';
        break;
1125 1126
      }
      case TSDB_DATA_TYPE_NCHAR: {
1127
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
1128
        char tbuf[COMMAND_SIZE];
1129 1130 1131
        convertNCharToReadable((char *)row[0], length[0], tbuf, COMMAND_SIZE);
        sprintf(tableDes->cols[i].note, "\'%s\'", tbuf);
        break;
1132
      }
1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151
      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;
    }
  
1152 1153
    taos_free_result(res);
    res = NULL;    
1154 1155 1156 1157 1158
  }

  return count;
}

1159
int32_t taosDumpTable(char *table, char *metric, struct arguments *arguments, FILE *fp, TAOS* taosCon, char* dbName) {
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177
  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);
    */

1178
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1179 1180 1181 1182 1183 1184 1185

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

    // create child-table using super-table
1186
    taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1187 1188

  } else {  // dump table definition
1189
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1190 1191 1192 1193 1194 1195 1196

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

    // create normal-table or super-table
1197
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1198 1199 1200 1201
  }

  free(tableDes);

1202
  return taosDumpTableData(fp, table, arguments, taosCon, dbName);
1203 1204 1205
}

void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp) {
1206
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1207

1208 1209
  char *pstr = sqlstr;
  pstr += sprintf(pstr, "CREATE DATABASE IF NOT EXISTS %s ", dbInfo->name);
1210 1211
  if (isDumpProperty) {
    pstr += sprintf(pstr,
1212 1213 1214
        "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);
1215 1216 1217
  }

  pstr += sprintf(pstr, ";");
1218
  fprintf(fp, "%s\n\n", sqlstr);
1219 1220 1221 1222 1223 1224 1225 1226
}

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);
1230
  if (fd == -1) {
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    fprintf(stderr, "taosDumpTableFp() failed to open temp file: %s\n", tmpBuf);
1232 1233 1234 1235
    return NULL;
  }

  FILE *fp = NULL;
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  memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);
1237 1238
  
  if (tsArguments.outpath[0] != 0) {
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    sprintf(tmpBuf, "%s/%s.tables.%d.sql", tsArguments.outpath, pThread->dbName, pThread->threadIndex);
1240
  } else {
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    sprintf(tmpBuf, "%s.tables.%d.sql", pThread->dbName, pThread->threadIndex);
1242 1243
  }
  
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  fp = fopen(tmpBuf, "w");
1245
  if (fp == NULL) {
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    fprintf(stderr, "failed to open file %s\n", tmpBuf);
1247 1248 1249 1250
    close(fd);
    return NULL;
  }

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  memset(tmpBuf, 0, TSDB_FILENAME_LEN);
  sprintf(tmpBuf, "use %s", pThread->dbName);
1253
  
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  TAOS_RES* tmpResult = taos_query(pThread->taosCon, tmpBuf);  
1255 1256 1257 1258 1259 1260 1261 1262 1263
  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;
1267 1268 1269 1270
  fprintf(fp, "USE %s;\n\n", pThread->dbName);
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
1271 1272 1273 1274 1275 1276

    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;
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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++;
      if (tablesInOneFile >= tsArguments.table_batch) {
        fclose(fp);
        tablesInOneFile = 0;
        
        memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);        
        if (tsArguments.outpath[0] != 0) {
          sprintf(tmpBuf, "%s/%s.tables.%d-%d.sql", tsArguments.outpath, pThread->dbName, pThread->threadIndex, fileNameIndex);
        } 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;
        }
      }
1304
    }
1305 1306 1307 1308 1309 1310 1311 1312 1313
  }

  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)
1315 1316 1317 1318 1319
{
  pthread_attr_t thattr;
  SThreadParaObj *threadObj = (SThreadParaObj *)calloc(numOfThread, sizeof(SThreadParaObj));
  for (int t = 0; t < numOfThread; ++t) {
    SThreadParaObj *pThread = threadObj + t;
1320 1321
    pThread->rowsOfDumpOut = 0;
    pThread->tablesOfDumpOut = 0;
1322 1323 1324
    pThread->threadIndex = t;
    pThread->totalThreads = numOfThread;
    tstrncpy(pThread->dbName, dbName, TSDB_TABLE_NAME_LEN);
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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, 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);
  }

1340 1341 1342
  // 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;
1343
  for (int32_t t = 0; t < numOfThread; ++t) {
1344 1345
    totalChildTblsOfDumpOut += threadObj[t].tablesOfDumpOut;
    totalRowsOfDumpOut      += threadObj[t].rowsOfDumpOut;
1346
  }
1347 1348 1349 1350 1351

  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;
1352 1353 1354 1355 1356
  free(threadObj);
}



1357
int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName) {
1358 1359 1360 1361 1362 1363 1364 1365
  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);
  }

1366
  count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1367 1368 1369

  if (count < 0) {
    free(tableDes);
1370
    fprintf(stderr, "failed to get stable[%s] schema\n", table);
1371 1372 1373
    exit(-1);
  }

1374
  taosDumpCreateTableClause(tableDes, count, fp, dbName);
1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385

  free(tableDes);
  return 0;
}


int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp) 
{
  TAOS_ROW row;
  int fd = -1;
  STableRecord tableRecord;
1386
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1387

1388
  sprintf(sqlstr, "show %s.stables", dbName);
1389
  
1390 1391
  TAOS_RES* res = taos_query(taosCon, sqlstr);  
  int32_t  code = taos_errno(res);
1392
  if (code != 0) {
1393 1394
    fprintf(stderr, "failed to run command <%s>, reason: %s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1395 1396 1397
    exit(-1);
  }

1398
  TAOS_FIELD *fields = taos_fetch_fields(res);
1399 1400 1401 1402 1403 1404 1405

  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);
1406
    taos_free_result(res);
1407 1408 1409 1410
    (void)remove(".stables.tmp");
    exit(-1);
  }
  
1411
  while ((row = taos_fetch_row(res)) != NULL) {  
1412 1413 1414 1415 1416
    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));
  }  
  
1417
  taos_free_result(res);
1418 1419
  (void)lseek(fd, 0, SEEK_SET);

1420
  int superTblCnt = 0;
1421 1422 1423 1424
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
    
1425 1426 1427 1428
    int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
    if (0 == ret) {
      superTblCnt++;
    }
1429 1430
  }

1431 1432 1433 1434
  // TODO: save dump super table <superTblCnt> into result_output.txt
  fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
  g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;

1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448
  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);
  
1449 1450 1451 1452
  fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfo->name);
  g_resultStatistics.totalDatabasesOfDumpOut++;

  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1453 1454 1455 1456 1457

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

1458
  sprintf(sqlstr, "show %s.tables", dbInfo->name);
1459
  
1460 1461
  TAOS_RES* res = taos_query(taosCon, sqlstr);  
  int code = taos_errno(res);
1462
  if (code != 0) {
1463 1464
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1465 1466 1467
    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;
  }
1477

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  TAOS_FIELD *fields = taos_fetch_fields(res);
1479
  
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  int32_t  numOfTable  = 0;
  while ((row = taos_fetch_row(res)) != NULL) {  
1482 1483 1484
    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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1486
    taosWrite(fd, &tableRecord, sizeof(STableRecord));
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1488
    numOfTable++;
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  }
  taos_free_result(res);
  lseek(fd, 0, SEEK_SET);
1492

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  int maxThreads = tsArguments.thread_num;
  int tableOfPerFile ;
  if (numOfTable <= tsArguments.thread_num) {
    tableOfPerFile = 1;
    maxThreads = numOfTable;
  } else {
    tableOfPerFile = numOfTable / tsArguments.thread_num;
    if (0 != numOfTable % tsArguments.thread_num) {
      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);
1526
      close(fd);
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      return -1;
1528
    }
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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);
1538 1539
  }

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  sprintf(tmpBuf, ".show-tables.tmp");
  (void)remove(tmpBuf);

1543 1544 1545 1546 1547
  if (fd >= 0) {
    close(fd);
    fd = -1;
  }
  
1548
  taos_free_result(res);
1549 1550

  // start multi threads to dumpout
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  taosStartDumpOutWorkThreads(taosCon, arguments, numOfThread, dbInfo->name);
1552
  for (int loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
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    sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
    (void)remove(tmpBuf);
1555
  }  
1556

1557
  free(tblBuf);
1558 1559 1560
  return 0;
}

1561
void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName) {
1562 1563
  int counter = 0;
  int count_temp = 0;
1564
  char sqlstr[COMMAND_SIZE];
1565

1566
  char* pstr = sqlstr;
1567

1568
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s", dbName, tableDes->name);
1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601

  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, ");");

1602
  fprintf(fp, "%s\n\n", sqlstr);
1603 1604
}

1605
void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName) {
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617
  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;

1618
  pstr += sprintf(tmpBuf, "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (", dbName, tableDes->name, dbName, metric);
1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658

  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);
}

1659
int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName) {
H
Hui Li 已提交
1660 1661
  int64_t    lastRowsPrint = 5000000;
  int64_t    totalRows     = 0;
1662 1663 1664 1665
  int count = 0;
  char *pstr = NULL;
  TAOS_ROW row = NULL;
  int numFields = 0;
1666 1667 1668
  
  if (arguments->schemaonly) {
    return 0;
1669 1670
  }

1671 1672
  int32_t  sql_buf_len = arguments->max_sql_len;
  char* tmpBuffer = (char *)calloc(1, sql_buf_len + 128);
1673 1674 1675 1676 1677 1678 1679
  if (tmpBuffer == NULL) {
    fprintf(stderr, "failed to allocate memory\n");
    return -1;
  }

  pstr = tmpBuffer;

1680 1681 1682 1683
  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);
1684
  
1685
  TAOS_RES* tmpResult = taos_query(taosCon, sqlstr);  
1686 1687
  int32_t code = taos_errno(tmpResult);
  if (code != 0) {
1688
    fprintf(stderr, "failed to run command %s, reason: %s\n", sqlstr, taos_errstr(tmpResult));
1689 1690 1691 1692 1693 1694 1695 1696 1697 1698
    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;
1699 1700
  int32_t  curr_sqlstr_len = 0;
  int32_t  total_sqlstr_len = 0;
1701 1702 1703
  count = 0;
  while ((row = taos_fetch_row(tmpResult)) != NULL) {
    pstr = tmpBuffer;
1704
    curr_sqlstr_len = 0;
1705 1706 1707 1708
    
    int32_t* length = taos_fetch_lengths(tmpResult);   // act len

    if (count == 0) {
1709
      total_sqlstr_len = 0;
1710
      curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "INSERT INTO %s.%s VALUES (", dbName, tbname);
1711
    } else {
1712 1713
      if (arguments->mysqlFlag) {
        if (0 == rowFlag) {
1714
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1715 1716
          rowFlag++;
        } else {
1717
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", (");
1718 1719
        }
      } else {
1720
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1721 1722 1723 1724
      }
    }

    for (int col = 0; col < numFields; col++) {
1725
      if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
1726 1727

      if (row[col] == NULL) {
1728
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
1729 1730 1731 1732 1733
        continue;
      }

      switch (fields[col].type) {
        case TSDB_DATA_TYPE_BOOL:
1734
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", ((((int32_t)(*((char *)row[col]))) == 1) ? 1 : 0));
1735 1736
          break;
        case TSDB_DATA_TYPE_TINYINT:
1737
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int8_t *)row[col]));
1738 1739
          break;
        case TSDB_DATA_TYPE_SMALLINT:
1740
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int16_t *)row[col]));
1741 1742
          break;
        case TSDB_DATA_TYPE_INT:
1743
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int32_t *)row[col]));
1744 1745
          break;
        case TSDB_DATA_TYPE_BIGINT:
1746
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *((int64_t *)row[col]));
1747 1748
          break;
        case TSDB_DATA_TYPE_FLOAT:
1749
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_FLOAT_VAL(row[col]));
1750 1751
          break;
        case TSDB_DATA_TYPE_DOUBLE:
1752
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_DOUBLE_VAL(row[col]));
1753
          break;
1754 1755
        case TSDB_DATA_TYPE_BINARY: {
          char tbuf[COMMAND_SIZE] = {0};
1756
          //*(pstr++) = '\'';
1757
          converStringToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1758 1759 1760
          //pstr = stpcpy(pstr, tbuf);
          //*(pstr++) = '\'';
          pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);          
1761
          break;
1762 1763 1764
        }
        case TSDB_DATA_TYPE_NCHAR: {
          char tbuf[COMMAND_SIZE] = {0};
1765
          convertNCharToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1766
          pstr += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
1767
          break;
1768
        }
1769 1770
        case TSDB_DATA_TYPE_TIMESTAMP:
          if (!arguments->mysqlFlag) {
1771
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *(int64_t *)row[col]);
1772 1773 1774 1775 1776 1777
          } 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);
1778
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s.%03d\'", buf, (int)(ts % 1000));
1779 1780 1781 1782 1783 1784 1785
          }
          break;
        default:
          break;
      }
    }

1786
    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ") ");
1787

H
Hui Li 已提交
1788
    totalRows++;    
1789 1790
    count++;
    fprintf(fp, "%s", tmpBuffer);
H
Hui Li 已提交
1791 1792 1793 1794 1795
    
    if (totalRows >= lastRowsPrint) {
      printf(" %"PRId64 " rows already be dumpout from %s.%s\n", totalRows, dbName, tbname);
      lastRowsPrint += 5000000;
    }
1796

1797 1798 1799
    total_sqlstr_len += curr_sqlstr_len;

    if ((count >= arguments->data_batch) || (sql_buf_len - total_sqlstr_len < TSDB_MAX_BYTES_PER_ROW)) {
1800 1801 1802 1803 1804 1805 1806
      fprintf(fp, ";\n");
      count = 0;
    } //else {
      //fprintf(fp, "\\\n");
    //}
  }

1807
  fprintf(fp, "\n");  
1808 1809 1810 1811
  atomic_add_fetch_64(&totalDumpOutRows, totalRows);
  
  taos_free_result(tmpResult);
  free(tmpBuffer);
1812
  return totalRows;
1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 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
}

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");
2112
    int tsSqlFileNumOfTbls = tsSqlFileNum;
2113
    if (tsDbSqlFile[0] != 0) {
2114
      tsSqlFileNumOfTbls--;
2115 2116
    }
    taosMallocSQLFiles();
2117 2118 2119 2120
    if (0 != tsSqlFileNumOfTbls) {
      taosParseDirectory(inputDir, "sql", tsDumpInSqlFiles, tsSqlFileNumOfTbls);
    }
    fprintf(stdout, "\nstart to dispose %d files in %s\n", tsSqlFileNum, inputDir);
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
  }
  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;

2157
  cmd  = (char *)malloc(TSDB_MAX_ALLOWED_SQL_LEN);
2158 2159 2160 2161 2162
  if (cmd == NULL) {
    fprintf(stderr, "failed to allocate memory\n");
    return -1;
  }

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

  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);

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  int32_t  tsSqlFileNumOfTbls = tsSqlFileNum;
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  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;
}