taosdump.c 73.5 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"

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// for strncpy buffer overflow
#define min(a, b) (((a) < (b)) ? (a) : (b))

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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_CACHELAST_INDEX,
  TSDB_SHOW_DB_PRECISION_INDEX,
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  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,
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  TSDB_SHOW_TABLES_TID_INDEX,
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  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 {
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  char name[TSDB_TABLE_NAME_LEN];
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  SColDes cols[];
} STableDef;

extern char version[];

typedef struct {
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  char     name[TSDB_DB_NAME_LEN];
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  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;
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  int8_t   cachelast;
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  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 {
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  char name[TSDB_TABLE_NAME_LEN];
  char metric[TSDB_TABLE_NAME_LEN];
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} STableRecord;

typedef struct {
  bool isMetric;
  STableRecord tableRecord;
} STableRecordInfo;

typedef struct {
  pthread_t threadID;
  int32_t   threadIndex;
  int32_t   totalThreads;
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  char      dbName[TSDB_DB_NAME_LEN];
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  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},
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  {"databases",     'D', 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},
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  {"without-property", 'N', 0,          0,  "Dump schema without 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",    'B', "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},
  {"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;
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    case 'D':
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      arguments->databases = true;
      break;
    // dump format option
    case 's':
      arguments->schemaonly = true;
      break;
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    case 'N':
      arguments->with_property = false;
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      break;
    case 'S':
      // parse time here.
      arguments->start_time = atol(arg);
      break;
    case 'E':
      arguments->end_time = atol(arg);
      break;
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    case 'B':
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      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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      }
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      break;
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    case 'L':
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    {
      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;
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      }
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      arguments->max_sql_len = len;
      break;
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    }
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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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static int taosDumpOut(struct arguments *arguments);
static int taosDumpIn(struct arguments *arguments);
static void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp);
static int taosDumpDb(SDbInfo *dbInfo, struct arguments *arguments, FILE *fp, TAOS *taosCon);
static int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName);
static void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName);
static void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName);
static int32_t taosDumpTable(char *table, char *metric, struct arguments *arguments, FILE *fp, TAOS* taosCon, char* dbName);
static int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName);
static int taosCheckParam(struct arguments *arguments);
static 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
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  NULL,
  "root",
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  #ifdef _TD_POWER_
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  "powerdb",
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  #else
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  "taosdata",
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  #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,    // schemeonly
  true,     // with_property
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  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 > 2)
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    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);
  }
587 588

  g_fpOfResult = fopen(g_args.resultFile, "a");
589
  if (NULL == g_fpOfResult) {
590
    fprintf(stderr, "Failed to open %s for save result\n", g_args.resultFile);
591 592 593 594 595 596
    return 1;
  };

  fprintf(g_fpOfResult, "#############################################################################\n");
  fprintf(g_fpOfResult, "============================== arguments config =============================\n");
  {
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
    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]);
624 625 626
    }
  }

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  g_numOfCores = (int32_t)sysconf(_SC_NPROCESSORS_ONLN);

629 630 631
  time_t tTime = time(NULL);
  struct tm tm = *localtime(&tTime);

632
  if (g_args.isDumpIn) {
633 634 635
    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);
636
    if (taosDumpIn(&g_args) < 0) {
637 638 639 640
      fprintf(g_fpOfResult, "\n");
      fclose(g_fpOfResult);
      return -1;
    }
641
  } else {
642 643 644
    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);
645
    if (taosDumpOut(&g_args) < 0) {
646 647 648 649 650 651 652
      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);
653 654 655
    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);
656 657
  }

658 659 660
  fprintf(g_fpOfResult, "\n");
  fclose(g_fpOfResult);

661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
  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);
685 686

  result = taos_query(taosCon, tempCommand);
687
  int32_t code = taos_errno(result);
688

689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
  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;
  }
715

716
  sprintf(tempCommand, "show stables like %s", table);
717 718

  result = taos_query(taosCon, tempCommand);
719
  code = taos_errno(result);
720

721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
  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;
    }
  }
758

759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
  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);
780

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  TAOS_RES *res = taos_query(taosCon, tmpCommand);
  int32_t code = taos_errno(res);
783 784 785
  if (code != 0) {
    fprintf(stderr, "failed to run command %s\n", tmpCommand);
    free(tmpCommand);
H
Hui Li 已提交
786
    taos_free_result(res);
787 788
    return -1;
  }
H
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789
  free(tmpCommand);
790

H
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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;
  }
800

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  TAOS_FIELD *fields = taos_fetch_fields(res);
802

H
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803
  int32_t  numOfTable  = 0;
804
  while ((row = taos_fetch_row(res)) != NULL) {
H
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806 807 808
    memset(&tableRecord, 0, sizeof(STableRecord));
    tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes);
    tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
809 810

    taosWrite(fd, &tableRecord, sizeof(STableRecord));
811
    numOfTable++;
H
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812 813 814
  }
  taos_free_result(res);
  lseek(fd, 0, SEEK_SET);
815

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  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;
825
    }
H
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826
  }
827

H
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  char* tblBuf = (char*)calloc(1, tableOfPerFile * sizeof(STableRecord));
  if (NULL == tblBuf){
830
    fprintf(stderr, "failed to calloc %" PRIzu "\n", tableOfPerFile * sizeof(STableRecord));
H
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831 832 833
    close(fd);
    return -1;
  }
834

H
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835 836 837 838 839 840 841 842 843 844 845 846 847
  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");
848
      (void)remove(tmpBuf);
849
      free(tblBuf);
850
      close(fd);
H
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851
      return -1;
852
    }
H
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853 854 855 856 857 858 859 860 861

    // 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);
862
  }
H
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863 864 865

  sprintf(tmpBuf, ".select-tbname.tmp");
  (void)remove(tmpBuf);
866

867 868 869
  if (fd >= 0) {
    close(fd);
    fd = -1;
870
  }
871 872 873

  *totalNumOfThread = numOfThread;

874
  free(tblBuf);
875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893
  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");
  }
894

895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
  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");
926
  result = taos_query(taos, command);
927
  int32_t code = taos_errno(result);
928

929
  if (code != 0) {
930
    fprintf(stderr, "failed to run command: %s, reason: %s\n", command, taos_errstr(result));
931 932 933 934 935 936
    goto _exit_failure;
  }

  TAOS_FIELD *fields = taos_fetch_fields(result);

  while ((row = taos_fetch_row(result)) != NULL) {
H
[NONE]  
Hui Li 已提交
937 938
    // 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 &&
939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964
        (!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;
    }

965 966
    strncpy(dbInfos[count]->name, (char *)row[TSDB_SHOW_DB_NAME_INDEX],
            fields[TSDB_SHOW_DB_NAME_INDEX].bytes);
H
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    if (arguments->with_property) {
968
      dbInfos[count]->ntables = *((int32_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]);
969
      dbInfos[count]->vgroups = *((int32_t *)row[TSDB_SHOW_DB_VGROUPS_INDEX]);
970
      dbInfos[count]->replica = *((int16_t *)row[TSDB_SHOW_DB_REPLICA_INDEX]);
H
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971
      dbInfos[count]->quorum = *((int16_t *)row[TSDB_SHOW_DB_QUORUM_INDEX]);
972
      dbInfos[count]->days = *((int16_t *)row[TSDB_SHOW_DB_DAYS_INDEX]);
973

974 975
      strncpy(dbInfos[count]->keeplist, (char *)row[TSDB_SHOW_DB_KEEP_INDEX],
              fields[TSDB_SHOW_DB_KEEP_INDEX].bytes);
976 977 978 979 980 981 982 983 984 985
      //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]));
986
      dbInfos[count]->cachelast = (int8_t)(*((int8_t *)row[TSDB_SHOW_DB_CACHELAST_INDEX]));
987

988 989
      strncpy(dbInfos[count]->precision, (char *)row[TSDB_SHOW_DB_PRECISION_INDEX],
              fields[TSDB_SHOW_DB_PRECISION_INDEX].bytes);
990
      //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]);
    }
993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
    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);
1017 1018
      fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfos[0]->name);
      g_resultStatistics.totalDatabasesOfDumpOut++;
1019 1020

      sprintf(command, "use %s", dbInfos[0]->name);
1021 1022

      result = taos_query(taos, command);
1023
      code = taos_errno(result);
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033
      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;
1034
      int superTblCnt = 0 ;
1035 1036 1037 1038 1039 1040 1041
      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
1042 1043 1044 1045
          int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name);
          if (0 == ret) {
            superTblCnt++;
          }
1046 1047 1048
          retCode = taosSaveTableOfMetricToTempFile(taos, tableRecordInfo.tableRecord.metric, arguments, &totalNumOfThread);
        } else {
          if (tableRecordInfo.tableRecord.metric[0] != '\0') {  // dump this sub table and it's metric
1049 1050 1051
            int ret = taosDumpStable(tableRecordInfo.tableRecord.metric, fp, taos, dbInfos[0]->name);
            if (0 == ret) {
              superTblCnt++;
1052
            }
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063
          }
          retCode = taosSaveAllNormalTableToTempFile(taos, tableRecordInfo.tableRecord.name, tableRecordInfo.tableRecord.metric, &normalTblFd);
        }

        if (retCode < 0) {
          if (-1 != normalTblFd){
            taosClose(normalTblFd);
          }
          goto _clean_tmp_file;
        }
      }
1064

1065 1066 1067
      // TODO: save dump super table <superTblCnt> into result_output.txt
      fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
      g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1068 1069 1070 1071 1072 1073

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

      // start multi threads to dumpout
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Hui Li 已提交
1074
      taosStartDumpOutWorkThreads(taos, arguments, totalNumOfThread, dbInfos[0]->name);
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089

      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);
1090
  taosFreeDbInfos();
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
  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;
}

1104 1105 1106
int taosGetTableDes(
        char* dbName, char *table,
        STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1107
  TAOS_ROW row = NULL;
1108
  TAOS_RES* res = NULL;
1109 1110
  int count = 0;

1111 1112
  char sqlstr[COMMAND_SIZE];
  sprintf(sqlstr, "describe %s.%s;", dbName, table);
1113 1114

  res = taos_query(taosCon, sqlstr);
1115
  int32_t code = taos_errno(res);
1116
  if (code != 0) {
1117 1118
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1119 1120 1121
    return -1;
  }

1122
  TAOS_FIELD *fields = taos_fetch_fields(res);
1123

1124
  tstrncpy(tableDes->name, table, TSDB_TABLE_NAME_LEN);
1125
  while ((row = taos_fetch_row(res)) != NULL) {
1126 1127 1128
    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],
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            min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
1130 1131 1132 1133 1134 1135 1136
    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++;
  }

1137 1138
  taos_free_result(res);
  res = NULL;
1139 1140 1141 1142

  if (isSuperTable) {
    return count;
  }
1143

1144 1145 1146 1147 1148
  // 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;


1149
    sprintf(sqlstr, "select %s from %s.%s", tableDes->cols[i].field, dbName, table);
1150 1151

    res = taos_query(taosCon, sqlstr);
1152
    code = taos_errno(res);
1153
    if (code != 0) {
1154 1155
      fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1156 1157
      return -1;
    }
1158 1159

    fields = taos_fetch_fields(res);
1160

1161
    row = taos_fetch_row(res);
1162
    if (NULL == row) {
1163 1164
      fprintf(stderr, " fetch failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
      taos_free_result(res);
1165 1166 1167 1168 1169
      return -1;
    }

    if (row[0] == NULL) {
      sprintf(tableDes->cols[i].note, "%s", "NULL");
1170 1171
      taos_free_result(res);
      res = NULL;
1172 1173
      continue;
    }
1174

1175
    int32_t* length = taos_fetch_lengths(res);
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199

    //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;
1200
      case TSDB_DATA_TYPE_BINARY: {
1201 1202
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
        tableDes->cols[i].note[0] = '\'';
1203 1204
        char tbuf[COL_NOTE_LEN];
        converStringToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
1205 1206 1207
        char* pstr = stpcpy(&(tableDes->cols[i].note[1]), tbuf);
        *(pstr++) = '\'';
        break;
1208 1209
      }
      case TSDB_DATA_TYPE_NCHAR: {
1210
        memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
1211
        char tbuf[COL_NOTE_LEN-2];    // need reserve 2 bytes for ' '
1212
        convertNCharToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
1213 1214
        sprintf(tableDes->cols[i].note, "\'%s\'", tbuf);
        break;
1215
      }
1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
      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;
    }
1234

1235
    taos_free_result(res);
1236
    res = NULL;
1237 1238 1239 1240 1241
  }

  return count;
}

1242 1243 1244
int32_t taosDumpTable(
        char *table, char *metric, struct arguments *arguments,
        FILE *fp, TAOS* taosCon, char* dbName) {
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
  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);
    */

1263
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1264 1265 1266 1267 1268 1269 1270

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

    // create child-table using super-table
1271
    taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1272 1273

  } else {  // dump table definition
1274
    count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1275 1276 1277 1278 1279 1280 1281

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

    // create normal-table or super-table
1282
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1283 1284 1285 1286
  }

  free(tableDes);

1287
  return taosDumpTableData(fp, table, arguments, taosCon, dbName);
1288 1289 1290
}

void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty, FILE *fp) {
1291
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1292

1293 1294
  char *pstr = sqlstr;
  pstr += sprintf(pstr, "CREATE DATABASE IF NOT EXISTS %s ", dbInfo->name);
1295 1296
  if (isDumpProperty) {
    pstr += sprintf(pstr,
1297 1298 1299 1300
        "REPLICA %d QUORUM %d DAYS %d KEEP %s CACHE %d BLOCKS %d MINROWS %d MAXROWS %d FSYNC %d CACHELAST %d COMP %d PRECISION '%s' UPDATE %d",
        dbInfo->replica, dbInfo->quorum, dbInfo->days, dbInfo->keeplist, dbInfo->cache,
        dbInfo->blocks, dbInfo->minrows, dbInfo->maxrows, dbInfo->fsync, dbInfo->cachelast,
        dbInfo->comp, dbInfo->precision, dbInfo->update);
1301 1302 1303
  }

  pstr += sprintf(pstr, ";");
1304
  fprintf(fp, "%s\n\n", sqlstr);
1305 1306 1307 1308 1309 1310
}

void* taosDumpOutWorkThreadFp(void *arg)
{
  SThreadParaObj *pThread = (SThreadParaObj*)arg;
  STableRecord    tableRecord;
1311 1312
  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);
1316
  if (fd == -1) {
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    fprintf(stderr, "taosDumpTableFp() failed to open temp file: %s\n", tmpBuf);
1318 1319 1320 1321
    return NULL;
  }

  FILE *fp = NULL;
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  memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);
1323

1324 1325
  if (g_args.outpath[0] != 0) {
    sprintf(tmpBuf, "%s/%s.tables.%d.sql", g_args.outpath, pThread->dbName, pThread->threadIndex);
1326
  } else {
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    sprintf(tmpBuf, "%s.tables.%d.sql", pThread->dbName, pThread->threadIndex);
1328
  }
1329

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  fp = fopen(tmpBuf, "w");
1331
  if (fp == NULL) {
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    fprintf(stderr, "failed to open file %s\n", tmpBuf);
1333 1334 1335 1336
    close(fd);
    return NULL;
  }

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  memset(tmpBuf, 0, TSDB_FILENAME_LEN);
  sprintf(tmpBuf, "use %s", pThread->dbName);
1339 1340

  TAOS_RES* tmpResult = taos_query(pThread->taosCon, tmpBuf);
1341 1342 1343 1344
  int32_t code = taos_errno(tmpResult);
  if (code != 0) {
    fprintf(stderr, "invalid database %s\n", pThread->dbName);
    taos_free_result(tmpResult);
1345
    fclose(fp);
1346 1347 1348 1349
    close(fd);
    return NULL;
  }

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  int     fileNameIndex = 1;
  int     tablesInOneFile = 0;
  int64_t lastRowsPrint = 5000000;
1353 1354 1355 1356
  fprintf(fp, "USE %s;\n\n", pThread->dbName);
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
1357

1358 1359 1360
    int ret = taosDumpTable(
            tableRecord.name, tableRecord.metric, &g_args,
            fp, pThread->taosCon, pThread->dbName);
1361 1362 1363 1364
    if (ret >= 0) {
      // TODO: sum table count and table rows by self
      pThread->tablesOfDumpOut++;
      pThread->rowsOfDumpOut += ret;
1365

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      if (pThread->rowsOfDumpOut >= lastRowsPrint) {
1367 1368
        printf(" %"PRId64 " rows already be dumpout from database %s\n",
                pThread->rowsOfDumpOut, pThread->dbName);
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        lastRowsPrint += 5000000;
      }

      tablesInOneFile++;
1373
      if (tablesInOneFile >= g_args.table_batch) {
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        fclose(fp);
        tablesInOneFile = 0;
1376 1377

        memset(tmpBuf, 0, TSDB_FILENAME_LEN + 128);
1378
        if (g_args.outpath[0] != 0) {
1379 1380 1381
          sprintf(tmpBuf, "%s/%s.tables.%d-%d.sql",
                  g_args.outpath, pThread->dbName,
                  pThread->threadIndex, fileNameIndex);
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        } else {
1383 1384
          sprintf(tmpBuf, "%s.tables.%d-%d.sql",
                  pThread->dbName, pThread->threadIndex, fileNameIndex);
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        }
        fileNameIndex++;
1387

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        fp = fopen(tmpBuf, "w");
        if (fp == NULL) {
          fprintf(stderr, "failed to open file %s\n", tmpBuf);
          close(fd);
          taos_free_result(tmpResult);
          return NULL;
        }
      }
1396
    }
1397 1398 1399 1400
  }

  taos_free_result(tmpResult);
  close(fd);
1401
  fclose(fp);
1402 1403 1404 1405

  return NULL;
}

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static void taosStartDumpOutWorkThreads(void* taosCon, struct arguments* args, int32_t  numOfThread, char *dbName)
1407 1408
{
  pthread_attr_t thattr;
1409 1410
  SThreadParaObj *threadObj =
      (SThreadParaObj *)calloc(numOfThread, sizeof(SThreadParaObj));
1411 1412
  for (int t = 0; t < numOfThread; ++t) {
    SThreadParaObj *pThread = threadObj + t;
1413 1414
    pThread->rowsOfDumpOut = 0;
    pThread->tablesOfDumpOut = 0;
1415 1416
    pThread->threadIndex = t;
    pThread->totalThreads = numOfThread;
1417
    tstrncpy(pThread->dbName, dbName, TSDB_DB_NAME_LEN);
1418
    pThread->taosCon = taosCon;
1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432

    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);
  }

1433
  // TODO: sum all thread dump table count and rows of per table, then save into result_output.txt
1434 1435
  int64_t   totalRowsOfDumpOut = 0;
  int64_t   totalChildTblsOfDumpOut = 0;
1436
  for (int32_t t = 0; t < numOfThread; ++t) {
1437 1438
    totalChildTblsOfDumpOut += threadObj[t].tablesOfDumpOut;
    totalRowsOfDumpOut      += threadObj[t].rowsOfDumpOut;
1439
  }
1440 1441 1442 1443 1444

  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;
1445 1446 1447 1448 1449
  free(threadObj);
}



1450
int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon, char* dbName) {
1451 1452 1453 1454 1455 1456 1457 1458
  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);
  }

1459
  count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1460 1461 1462

  if (count < 0) {
    free(tableDes);
1463
    fprintf(stderr, "failed to get stable[%s] schema\n", table);
1464 1465 1466
    exit(-1);
  }

1467
  taosDumpCreateTableClause(tableDes, count, fp, dbName);
1468 1469 1470 1471 1472 1473

  free(tableDes);
  return 0;
}


1474
int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp)
1475 1476 1477 1478
{
  TAOS_ROW row;
  int fd = -1;
  STableRecord tableRecord;
1479
  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1480

1481
  sprintf(sqlstr, "show %s.stables", dbName);
1482 1483

  TAOS_RES* res = taos_query(taosCon, sqlstr);
1484
  int32_t  code = taos_errno(res);
1485
  if (code != 0) {
1486 1487
    fprintf(stderr, "failed to run command <%s>, reason: %s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1488 1489 1490
    exit(-1);
  }

1491
  TAOS_FIELD *fields = taos_fetch_fields(res);
1492 1493 1494 1495 1496 1497 1498

  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);
1499
    taos_free_result(res);
1500 1501 1502
    (void)remove(".stables.tmp");
    exit(-1);
  }
1503 1504

  while ((row = taos_fetch_row(res)) != NULL) {
1505
    memset(&tableRecord, 0, sizeof(STableRecord));
1506 1507
    strncpy(tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX],
            fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes);
1508
    taosWrite(fd, &tableRecord, sizeof(STableRecord));
1509 1510
  }

1511
  taos_free_result(res);
1512 1513
  (void)lseek(fd, 0, SEEK_SET);

1514
  int superTblCnt = 0;
1515 1516 1517
  while (1) {
    ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
    if (readLen <= 0) break;
1518

1519 1520 1521 1522
    int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
    if (0 == ret) {
      superTblCnt++;
    }
1523 1524
  }

1525 1526 1527 1528
  // TODO: save dump super table <superTblCnt> into result_output.txt
  fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
  g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;

1529 1530
  close(fd);
  (void)remove(".stables.tmp");
1531 1532

  return 0;
1533 1534 1535 1536 1537 1538 1539 1540 1541
}


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);
1542

1543 1544 1545 1546
  fprintf(g_fpOfResult, "\n#### database:                       %s\n", dbInfo->name);
  g_resultStatistics.totalDatabasesOfDumpOut++;

  char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1547 1548

  fprintf(fp, "USE %s;\n\n", dbInfo->name);
1549

1550 1551
  (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp);

1552
  sprintf(sqlstr, "show %s.tables", dbInfo->name);
1553 1554

  TAOS_RES* res = taos_query(taosCon, sqlstr);
1555
  int code = taos_errno(res);
1556
  if (code != 0) {
1557 1558
    fprintf(stderr, "failed to run command <%s>, reason:%s\n", sqlstr, taos_errstr(res));
    taos_free_result(res);
1559 1560 1561
    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;
  }
1571

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  TAOS_FIELD *fields = taos_fetch_fields(res);
1573

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  int32_t  numOfTable  = 0;
1575
  while ((row = taos_fetch_row(res)) != NULL) {
1576
    memset(&tableRecord, 0, sizeof(STableRecord));
1577 1578 1579
    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],
1580
            min(TSDB_TABLE_NAME_LEN, fields[TSDB_SHOW_TABLES_METRIC_INDEX].bytes));
1581

1582
    taosWrite(fd, &tableRecord, sizeof(STableRecord));
1583

1584
    numOfTable++;
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  }
  taos_free_result(res);
  lseek(fd, 0, SEEK_SET);
1588

1589
  int maxThreads = g_args.thread_num;
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  int tableOfPerFile ;
1591
  if (numOfTable <= g_args.thread_num) {
H
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1592 1593 1594
    tableOfPerFile = 1;
    maxThreads = numOfTable;
  } else {
1595 1596
    tableOfPerFile = numOfTable / g_args.thread_num;
    if (0 != numOfTable % g_args.thread_num) {
H
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1597
      tableOfPerFile += 1;
1598
    }
H
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1599 1600 1601 1602 1603 1604 1605 1606
  }

  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;
  }
1607

H
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1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621
  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);
1622
      free(tblBuf);
1623
      close(fd);
H
Hui Li 已提交
1624
      return -1;
1625
    }
H
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1626 1627 1628 1629 1630 1631 1632 1633 1634

    // 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);
1635 1636
  }

H
Hui Li 已提交
1637 1638 1639
  sprintf(tmpBuf, ".show-tables.tmp");
  (void)remove(tmpBuf);

1640 1641 1642 1643
  if (fd >= 0) {
    close(fd);
    fd = -1;
  }
1644

1645
  taos_free_result(res);
1646 1647

  // start multi threads to dumpout
H
Hui Li 已提交
1648
  taosStartDumpOutWorkThreads(taosCon, arguments, numOfThread, dbInfo->name);
1649
  for (int loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
H
Hui Li 已提交
1650 1651
    sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
    (void)remove(tmpBuf);
1652
  }
1653

1654
  free(tblBuf);
1655 1656 1657
  return 0;
}

1658
void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, FILE *fp, char* dbName) {
1659 1660
  int counter = 0;
  int count_temp = 0;
1661
  char sqlstr[COMMAND_SIZE];
1662

1663
  char* pstr = sqlstr;
1664

1665 1666
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s",
          dbName, tableDes->name);
1667 1668 1669 1670 1671

  for (; counter < numOfCols; counter++) {
    if (tableDes->cols[counter].note[0] != '\0') break;

    if (counter == 0) {
1672 1673
      pstr += sprintf(pstr, " (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1674
    } else {
1675 1676
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688
    }

    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) {
1689 1690
      pstr += sprintf(pstr, ") TAGS (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1691
    } else {
1692 1693
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1694 1695 1696 1697 1698 1699 1700 1701 1702 1703
    }

    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, ");");

1704
  fprintf(fp, "%s\n\n", sqlstr);
1705 1706
}

1707
void taosDumpCreateMTableClause(STableDef *tableDes, char *metric, int numOfCols, FILE *fp, char* dbName) {
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719
  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;

1720 1721
  pstr += sprintf(tmpBuf, "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (",
          dbName, tableDes->name, dbName, metric);
1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761

  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);
}

1762
int taosDumpTableData(FILE *fp, char *tbname, struct arguments *arguments, TAOS* taosCon, char* dbName) {
H
Hui Li 已提交
1763 1764
  int64_t    lastRowsPrint = 5000000;
  int64_t    totalRows     = 0;
1765 1766 1767 1768
  int count = 0;
  char *pstr = NULL;
  TAOS_ROW row = NULL;
  int numFields = 0;
1769

1770 1771
  if (arguments->schemaonly) {
    return 0;
1772 1773
  }

1774 1775
  int32_t  sql_buf_len = arguments->max_sql_len;
  char* tmpBuffer = (char *)calloc(1, sql_buf_len + 128);
1776 1777 1778 1779 1780 1781 1782
  if (tmpBuffer == NULL) {
    fprintf(stderr, "failed to allocate memory\n");
    return -1;
  }

  pstr = tmpBuffer;

1783
  char sqlstr[1024] = {0};
1784 1785
  sprintf(sqlstr,
          "select * from %s.%s where _c0 >= %" PRId64 " and _c0 <= %" PRId64 " order by _c0 asc;",
1786
          dbName, tbname, arguments->start_time, arguments->end_time);
1787 1788

  TAOS_RES* tmpResult = taos_query(taosCon, sqlstr);
1789 1790
  int32_t code = taos_errno(tmpResult);
  if (code != 0) {
1791
    fprintf(stderr, "failed to run command %s, reason: %s\n", sqlstr, taos_errstr(tmpResult));
1792 1793 1794 1795 1796 1797 1798 1799 1800 1801
    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;
1802 1803
  int32_t  curr_sqlstr_len = 0;
  int32_t  total_sqlstr_len = 0;
1804 1805 1806
  count = 0;
  while ((row = taos_fetch_row(tmpResult)) != NULL) {
    pstr = tmpBuffer;
1807
    curr_sqlstr_len = 0;
1808

1809 1810 1811
    int32_t* length = taos_fetch_lengths(tmpResult);   // act len

    if (count == 0) {
1812
      total_sqlstr_len = 0;
1813
      curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "INSERT INTO %s.%s VALUES (", dbName, tbname);
1814
    } else {
1815 1816
      if (arguments->mysqlFlag) {
        if (0 == rowFlag) {
1817
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1818 1819
          rowFlag++;
        } else {
1820
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", (");
1821 1822
        }
      } else {
1823
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
1824 1825 1826 1827
      }
    }

    for (int col = 0; col < numFields; col++) {
1828
      if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
1829 1830

      if (row[col] == NULL) {
1831
        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
1832 1833 1834 1835 1836
        continue;
      }

      switch (fields[col].type) {
        case TSDB_DATA_TYPE_BOOL:
1837
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", ((((int32_t)(*((char *)row[col]))) == 1) ? 1 : 0));
1838 1839
          break;
        case TSDB_DATA_TYPE_TINYINT:
1840
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int8_t *)row[col]));
1841 1842
          break;
        case TSDB_DATA_TYPE_SMALLINT:
1843
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int16_t *)row[col]));
1844 1845
          break;
        case TSDB_DATA_TYPE_INT:
1846
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int32_t *)row[col]));
1847 1848
          break;
        case TSDB_DATA_TYPE_BIGINT:
1849
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *((int64_t *)row[col]));
1850 1851
          break;
        case TSDB_DATA_TYPE_FLOAT:
1852
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_FLOAT_VAL(row[col]));
1853 1854
          break;
        case TSDB_DATA_TYPE_DOUBLE:
1855
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_DOUBLE_VAL(row[col]));
1856
          break;
1857 1858
        case TSDB_DATA_TYPE_BINARY: {
          char tbuf[COMMAND_SIZE] = {0};
1859
          //*(pstr++) = '\'';
1860
          converStringToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1861 1862
          //pstr = stpcpy(pstr, tbuf);
          //*(pstr++) = '\'';
1863
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
1864
          break;
1865 1866 1867
        }
        case TSDB_DATA_TYPE_NCHAR: {
          char tbuf[COMMAND_SIZE] = {0};
1868
          convertNCharToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
1869
          curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
1870
          break;
1871
        }
1872 1873
        case TSDB_DATA_TYPE_TIMESTAMP:
          if (!arguments->mysqlFlag) {
1874
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "", *(int64_t *)row[col]);
1875 1876 1877 1878 1879 1880
          } 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);
1881
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s.%03d\'", buf, (int)(ts % 1000));
1882 1883 1884 1885 1886 1887 1888
          }
          break;
        default:
          break;
      }
    }

1889
    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ") ");
1890

1891
    totalRows++;
1892 1893
    count++;
    fprintf(fp, "%s", tmpBuffer);
1894

H
Hui Li 已提交
1895 1896 1897 1898
    if (totalRows >= lastRowsPrint) {
      printf(" %"PRId64 " rows already be dumpout from %s.%s\n", totalRows, dbName, tbname);
      lastRowsPrint += 5000000;
    }
1899

1900 1901
    total_sqlstr_len += curr_sqlstr_len;

1902 1903
    if ((count >= arguments->data_batch)
            || (sql_buf_len - total_sqlstr_len < TSDB_MAX_BYTES_PER_ROW)) {
1904 1905 1906 1907 1908 1909 1910
      fprintf(fp, ";\n");
      count = 0;
    } //else {
      //fprintf(fp, "\\\n");
    //}
  }

1911 1912
  printf("total_sqlstr_len: %d\n", total_sqlstr_len);

1913
  fprintf(fp, "\n");
1914
  atomic_add_fetch_64(&totalDumpOutRows, totalRows);
1915

1916 1917
  taos_free_result(tmpResult);
  free(tmpBuffer);
1918
  return totalRows;
1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930
}

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;
  }
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 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217
  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");
2218
    int tsSqlFileNumOfTbls = tsSqlFileNum;
2219
    if (tsDbSqlFile[0] != 0) {
2220
      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];
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  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;

2263
  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 #
2277
    if (read_len == 0 ) {
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      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';
2290
    if (queryDbImpl(taos, cmd)) {
2291
      fprintf(stderr, "error sql: linenu:%d, file:%s\n", lineNo, fileName);
2292
      fprintf(g_fpOfResult, "error sql: linenu:%d, file:%s\n", lineNo, fileName);
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    }

2295
    memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN);
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    cmd_len = 0;

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    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);
2321
      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;
  }
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2338 2339 2340 2341 2342
  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);
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  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);

2379
  int32_t  tsSqlFileNumOfTbls = tsSqlFileNum;
2380
  if (tsDbSqlFile[0] != 0) {
2381
    tsSqlFileNumOfTbls--;
2382

2383 2384 2385 2386 2387 2388
    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);
2389

2390
    taosLoadFileCharset(fp, tsfCharset);
2391

2392 2393 2394
    taosDumpInOneFile(taos, fp, tsfCharset, arguments->encode, tsDbSqlFile);
  }

2395 2396
  if (0 != tsSqlFileNumOfTbls) {
      taosStartDumpInWorkThreads(taos, arguments);
2397
  }
2398 2399 2400 2401 2402 2403 2404

  taos_close(taos);
  taosFreeSQLFiles();
  return 0;
}