taosdump.c 87.6 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"
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#include <taos.h>
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#define TSDB_SUPPORT_NANOSECOND 1

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#define MAX_FILE_NAME_LEN       256             // max file name length on linux is 255
#define COMMAND_SIZE            65536
#define MAX_RECORDS_PER_REQ     32766
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//#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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static int  converStringToReadable(char *str, int size, char *buf, int bufsize);
static int  convertNCharToReadable(char *str, int size, char *buf, int bufsize);
static void taosDumpCharset(FILE *fp);
static void taosLoadFileCharset(FILE *fp, char *fcharset);
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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 {
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    TSDB_SHOW_DB_NAME_INDEX,
    TSDB_SHOW_DB_CREATED_TIME_INDEX,
    TSDB_SHOW_DB_NTABLES_INDEX,
    TSDB_SHOW_DB_VGROUPS_INDEX,
    TSDB_SHOW_DB_REPLICA_INDEX,
    TSDB_SHOW_DB_QUORUM_INDEX,
    TSDB_SHOW_DB_DAYS_INDEX,
    TSDB_SHOW_DB_KEEP_INDEX,
    TSDB_SHOW_DB_CACHE_INDEX,
    TSDB_SHOW_DB_BLOCKS_INDEX,
    TSDB_SHOW_DB_MINROWS_INDEX,
    TSDB_SHOW_DB_MAXROWS_INDEX,
    TSDB_SHOW_DB_WALLEVEL_INDEX,
    TSDB_SHOW_DB_FSYNC_INDEX,
    TSDB_SHOW_DB_COMP_INDEX,
    TSDB_SHOW_DB_CACHELAST_INDEX,
    TSDB_SHOW_DB_PRECISION_INDEX,
    TSDB_SHOW_DB_UPDATE_INDEX,
    TSDB_SHOW_DB_STATUS_INDEX,
    TSDB_MAX_SHOW_DB
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};

// -----------------------------------------SHOW TABLES CONFIGURE -------------------------------------
enum _show_tables_index {
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    TSDB_SHOW_TABLES_NAME_INDEX,
    TSDB_SHOW_TABLES_CREATED_TIME_INDEX,
    TSDB_SHOW_TABLES_COLUMNS_INDEX,
    TSDB_SHOW_TABLES_METRIC_INDEX,
    TSDB_SHOW_TABLES_UID_INDEX,
    TSDB_SHOW_TABLES_TID_INDEX,
    TSDB_SHOW_TABLES_VGID_INDEX,
    TSDB_MAX_SHOW_TABLES
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};

// ---------------------------------- DESCRIBE METRIC CONFIGURE ------------------------------
enum _describe_table_index {
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    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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};

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#define COL_NOTE_LEN    128

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

typedef struct {
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    char name[TSDB_TABLE_NAME_LEN];
    SColDes cols[];
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} STableDef;

extern char version[];

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#define DB_PRECISION_LEN   8
#define DB_STATUS_LEN      16

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typedef struct {
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    char     name[TSDB_DB_NAME_LEN];
    char     create_time[32];
    int32_t  ntables;
    int32_t  vgroups;
    int16_t  replica;
    int16_t  quorum;
    int16_t  days;
    char     keeplist[32];
    //int16_t  daysToKeep;
    //int16_t  daysToKeep1;
    //int16_t  daysToKeep2;
    int32_t  cache; //MB
    int32_t  blocks;
    int32_t  minrows;
    int32_t  maxrows;
    int8_t   wallevel;
    int32_t  fsync;
    int8_t   comp;
    int8_t   cachelast;
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    char     precision[DB_PRECISION_LEN];   // time resolution
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    int8_t   update;
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    char     status[DB_STATUS_LEN];
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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 {
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    bool isMetric;
    STableRecord tableRecord;
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} STableRecordInfo;

typedef struct {
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    pthread_t threadID;
    int32_t   threadIndex;
    int32_t   totalThreads;
    char      dbName[TSDB_DB_NAME_LEN];
    void     *taosCon;
    int64_t   rowsOfDumpOut;
    int64_t   tablesOfDumpOut;
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} SThreadParaObj;

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

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static int64_t g_totalDumpOutRows = 0;
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SDbInfo **g_dbInfos = NULL;
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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[] = {
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    // connection option
    {"host", 'h', "HOST",    0,  "Server host dumping data from. Default is localhost.", 0},
    {"user", 'u', "USER",    0,  "User name used to connect to server. Default is root.", 0},
#ifdef _TD_POWER_
    {"password", 'p', "PASSWORD",    0,  "User password to connect to server. Default is powerdb.", 0},
#else
    {"password", 'p', "PASSWORD",    0,  "User password to connect to server. Default is taosdata.", 0},
#endif
    {"port", 'P', "PORT",        0,  "Port to connect", 0},
    {"cversion",      'v', "CVERION",     0,  "client version", 0},
    {"mysqlFlag",     'q', "MYSQLFLAG",   0,  "mysqlFlag, Default is 0", 0},
    // input/output file
    {"outpath", 'o', "OUTPATH",     0,  "Output file path.", 1},
    {"inpath", 'i', "INPATH",      0,  "Input file path.", 1},
    {"resultFile", 'r', "RESULTFILE",  0,  "DumpOut/In Result file path and name.", 1},
#ifdef _TD_POWER_
    {"config", 'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/power/taos.cfg.", 1},
#else
    {"config", 'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/taos/taos.cfg.", 1},
#endif
    {"encode", 'e', "ENCODE", 0,  "Input file encoding.", 1},
    // dump unit options
    {"all-databases", 'A', 0, 0,  "Dump all databases.", 2},
    {"databases", 'D', 0, 0,  "Dump assigned databases", 2},
    {"allow-sys",   'a', 0, 0,  "Allow to dump sys database", 2},
    // dump format options
    {"schemaonly", 's', 0, 0,  "Only dump schema.", 2},
    {"without-property", 'N', 0, 0,  "Dump schema without properties.", 2},
    {"avro", 'V', 0, 0,  "Dump apache avro format data file. By default, dump sql command sequence.", 2},
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    {"start-time",    'S', "START_TIME",  0,  "Start time to dump. Either epoch or ISO8601/RFC3339 format is acceptable. 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'",  4},
    {"end-time",      'E', "END_TIME",    0,  "End time to dump. Either epoch or ISO8601/RFC3339 format is acceptable. 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'",  5},
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#if TSDB_SUPPORT_NANOSECOND == 1
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    {"precision",  'C', "PRECISION",  0,  "Epoch precision. Valid value is one of ms, us, and ns. Default is ms.", 6},
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#else
    {"precision",  'C', "PRECISION",  0,  "Epoch precision. Valid value is one of ms and us. Default is ms.", 6},
#endif
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    {"data-batch",  'B', "DATA_BATCH",  0,  "Number of data point per insert statement. Max value is 32766. Default is 1.", 3},
    {"max-sql-len", 'L', "SQL_LEN",     0,  "Max length of one sql. Default is 65480.",   3},
    {"table-batch", 't', "TABLE_BATCH", 0,  "Number of table dumpout into one output file. Default is 1.",  3},
    {"thread_num",  'T', "THREAD_NUM",  0,  "Number of thread for dump in file. Default is 5.", 3},
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    {"debug",   'g', 0, 0,  "Print debug info.",    8},
    {"verbose", 'b', 0, 0,  "Print verbose debug info.", 9},
    {"performanceprint", 'm', 0, 0,  "Print performance debug info.", 10},
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    {0}
};
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/* Used by main to communicate with parse_opt. */
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typedef struct arguments {
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    // connection option
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    char    *host;
    char    *user;
    char    *password;
    uint16_t port;
    char     cversion[12];
    uint16_t mysqlFlag;
    // output file
    char     outpath[MAX_FILE_NAME_LEN];
    char     inpath[MAX_FILE_NAME_LEN];
    // result file
    char    *resultFile;
    char    *encode;
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    // dump unit option
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    bool     all_databases;
    bool     databases;
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    // dump format option
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    bool     schemaonly;
    bool     with_property;
    bool     avro;
    int64_t  start_time;
    int64_t  end_time;
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    char     precision[8];
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    int32_t  data_batch;
    int32_t  max_sql_len;
    int32_t  table_batch; // num of table which will be dump into one output file.
    bool     allow_sys;
    // other options
    int32_t  thread_num;
    int      abort;
    char   **arg_list;
    int       arg_list_len;
    bool      isDumpIn;
    bool      debug_print;
    bool      verbose_print;
    bool      performance_print;
} SArguments;
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/* Our argp parser. */
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static error_t parse_opt(int key, char *arg, struct argp_state *state);

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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();
static int taosDumpIn();
static void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty,
        FILE *fp);
static int taosDumpDb(SDbInfo *dbInfo, 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,
        FILE *fp, TAOS* taosCon, char* dbName);
static int taosDumpTableData(FILE *fp, char *tbName,
        TAOS* taosCon, char* dbName,
        char *jsonAvroSchema);
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static int taosCheckParam(struct arguments *arguments);
static void taosFreeDbInfos();
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static void taosStartDumpOutWorkThreads(int32_t numOfThread, char *dbName);
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struct arguments g_args = {
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    // connection option
    NULL,
    "root",
#ifdef _TD_POWER_
    "powerdb",
#else
    "taosdata",
#endif
    0,
    "",
    0,
    // outpath and inpath
    "",
    "",
    "./dump_result.txt",
    NULL,
    // dump unit option
    false,
    false,
    // dump format option
    false,      // schemeonly
    true,       // with_property
    false,      // avro format
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    -INT64_MAX,          // start_time
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    INT64_MAX,  // end_time
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    "ms",       // precision
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    1,          // data_batch
    TSDB_MAX_SQL_LEN,   // max_sql_len
    1,          // table_batch
    false,      // allow_sys
    // other options
    5,          // thread_num
    0,          // abort
    NULL,       // arg_list
    0,          // arg_list_len
    false,      // isDumpIn
    false,      // debug_print
    false,      // verbose_print
    false       // performance_print
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};
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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. */
    wordexp_t full_path;

    switch (key) {
        // connection option
        case 'a':
            g_args.allow_sys = true;
            break;
        case 'h':
            g_args.host = arg;
            break;
        case 'u':
            g_args.user = arg;
            break;
        case 'p':
            g_args.password = arg;
            break;
        case 'P':
            g_args.port = atoi(arg);
            break;
        case 'q':
            g_args.mysqlFlag = atoi(arg);
            break;
        case 'v':
            if (wordexp(arg, &full_path, 0) != 0) {
                errorPrint("Invalid client vesion %s\n", arg);
                return -1;
            }
            tstrncpy(g_args.cversion, full_path.we_wordv[0], 11);
            wordfree(&full_path);
            break;
            // output file path
        case 'o':
            if (wordexp(arg, &full_path, 0) != 0) {
                errorPrint("Invalid path %s\n", arg);
                return -1;
            }
            tstrncpy(g_args.outpath, full_path.we_wordv[0],
                    MAX_FILE_NAME_LEN);
            wordfree(&full_path);
            break;
        case 'g':
            g_args.debug_print = true;
            break;
        case 'i':
            g_args.isDumpIn = true;
            if (wordexp(arg, &full_path, 0) != 0) {
                errorPrint("Invalid path %s\n", arg);
                return -1;
            }
            tstrncpy(g_args.inpath, full_path.we_wordv[0],
                    MAX_FILE_NAME_LEN);
            wordfree(&full_path);
            break;
        case 'r':
            g_args.resultFile = arg;
            break;
        case 'c':
            if (wordexp(arg, &full_path, 0) != 0) {
                errorPrint("Invalid path %s\n", arg);
                return -1;
            }
            tstrncpy(configDir, full_path.we_wordv[0], MAX_FILE_NAME_LEN);
            wordfree(&full_path);
            break;
        case 'e':
            g_args.encode = arg;
            break;
            // dump unit option
        case 'A':
            g_args.all_databases = true;
            break;
        case 'D':
            g_args.databases = true;
            break;
            // dump format option
        case 's':
            g_args.schemaonly = true;
            break;
        case 'N':
            g_args.with_property = false;
            break;
        case 'V':
            g_args.avro = true;
            break;
        case 'S':
            // parse time here.
            g_args.start_time = atol(arg);
            break;
        case 'E':
            g_args.end_time = atol(arg);
            break;
        case 'B':
            g_args.data_batch = atoi(arg);
            if (g_args.data_batch > MAX_RECORDS_PER_REQ) {
                g_args.data_batch = MAX_RECORDS_PER_REQ;
            }
            break;
        case 'L':
            {
                int32_t len = atoi(arg);
                if (len > TSDB_MAX_ALLOWED_SQL_LEN) {
                    len = TSDB_MAX_ALLOWED_SQL_LEN;
                } else if (len < TSDB_MAX_SQL_LEN) {
                    len = TSDB_MAX_SQL_LEN;
                }
                g_args.max_sql_len = len;
                break;
            }
        case 't':
            g_args.table_batch = atoi(arg);
            break;
        case 'T':
            g_args.thread_num = atoi(arg);
            break;
        case OPT_ABORT:
            g_args.abort = 1;
            break;
        case ARGP_KEY_ARG:
            g_args.arg_list     = &state->argv[state->next - 1];
            g_args.arg_list_len = state->argc - state->next + 1;
            state->next             = state->argc;
            break;

        default:
            return ARGP_ERR_UNKNOWN;
    }
    return 0;
}

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static int queryDbImpl(TAOS *taos, char *command) {
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    int i;
    TAOS_RES *res = NULL;
    int32_t   code = -1;

    for (i = 0; i < 5; i++) {
        if (NULL != res) {
            taos_free_result(res);
            res = NULL;
        }
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        res = taos_query(taos, command);
        code = taos_errno(res);
        if (0 == code) {
            break;
        }
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    }
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    if (code != 0) {
        errorPrint("Failed to run <%s>, reason: %s\n", command, taos_errstr(res));
        taos_free_result(res);
        //taos_close(taos);
        return -1;
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    }

    taos_free_result(res);
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    return 0;
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}

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static void parse_precision_first(
        int argc, char *argv[], SArguments *arguments) {
    for (int i = 1; i < argc; i++) {
        if (strcmp(argv[i], "-C") == 0) {
            if (NULL == argv[i+1]) {
                errorPrint("%s need a valid value following!\n", argv[i]);
                exit(-1);
            }
            char *tmp = strdup(argv[i+1]);
            if (tmp == NULL) {
                errorPrint("%s() LN%d, strdup() cannot allocate memory\n",
                        __func__, __LINE__);
                exit(-1);
            }
            if ((0 != strncasecmp(tmp, "ms", strlen("ms")))
                    && (0 != strncasecmp(tmp, "us", strlen("us")))
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#if TSDB_SUPPORT_NANOSECOND == 1
                    && (0 != strncasecmp(tmp, "ns", strlen("ns")))
#endif
                    ) {
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                //
                errorPrint("input precision: %s is invalid value\n", tmp);
                free(tmp);
                exit(-1);
            }
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            strncpy(g_args.precision, tmp,
                min(DB_PRECISION_LEN - 1, strlen(tmp)));
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            free(tmp);
        }
    }
}

static void parse_timestamp(
        int argc, char *argv[], SArguments *arguments) {
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    for (int i = 1; i < argc; i++) {
        if ((strcmp(argv[i], "-S") == 0)
                || (strcmp(argv[i], "-E") == 0)) {
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            if (NULL == argv[i+1]) {
                errorPrint("%s need a valid value following!\n", argv[i]);
                exit(-1);
            }
            char *tmp = strdup(argv[i+1]);
            if (NULL == tmp) {
                errorPrint("%s() LN%d, strdup() cannot allocate memory\n",
                        __func__, __LINE__);
                exit(-1);
            }
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            int64_t tmpEpoch;
            if (strchr(tmp, ':') && strchr(tmp, '-')) {
                int32_t timePrec;
                if (0 == strncasecmp(arguments->precision,
                            "ms", strlen("ms"))) {
                    timePrec = TSDB_TIME_PRECISION_MILLI;
                } else if (0 == strncasecmp(arguments->precision,
                            "us", strlen("us"))) {
                    timePrec = TSDB_TIME_PRECISION_MICRO;
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#if TSDB_SUPPORT_NANOSECOND == 1
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                } else if (0 == strncasecmp(arguments->precision,
                            "ns", strlen("ns"))) {
                    timePrec = TSDB_TIME_PRECISION_NANO;
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#endif
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                } else {
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                    errorPrint("Invalid time precision: %s",
                            arguments->precision);
                    free(tmp);
                    return;
                }

                if (TSDB_CODE_SUCCESS != taosParseTime(
                            tmp, &tmpEpoch, strlen(tmp),
                            timePrec, 0)) {
                    errorPrint("Input %s, end time error!\n", tmp);
                    free(tmp);
                    return;
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                }
            } else {
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                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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        }
    }
}

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

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    int ret = 0;
    /* Parse our arguments; every option seen by parse_opt will be
       reflected in arguments. */
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    if (argc > 2) {
        parse_precision_first(argc, argv, &g_args);
        parse_timestamp(argc, argv, &g_args);
    }
620

621
    argp_parse(&argp, argc, argv, 0, 0, &g_args);
622

623 624 625 626 627 628 629
    if (g_args.abort) {
#ifndef _ALPINE
        error(10, 0, "ABORTED");
#else
        abort();
#endif
    }
630

631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
    printf("====== arguments config ======\n");
    {
        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: %s\n", g_args.all_databases?"true":"false");
        printf("databases: %d\n", g_args.databases);
        printf("schemaonly: %s\n", g_args.schemaonly?"true":"false");
        printf("with_property: %s\n", g_args.with_property?"true":"false");
        printf("avro format: %s\n", g_args.avro?"true":"false");
        printf("start_time: %" PRId64 "\n", g_args.start_time);
        printf("end_time: %" PRId64 "\n", g_args.end_time);
650
        printf("precision: %s\n", g_args.precision);
651 652 653 654 655 656 657 658 659 660 661 662 663
        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]);
        }
664
    }
665
    printf("==============================\n");
666

667 668 669
    if (g_args.cversion[0] != 0){
        tstrncpy(version, g_args.cversion, 11);
    }
670

671 672 673
    if (taosCheckParam(&g_args) < 0) {
        exit(EXIT_FAILURE);
    }
674

675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700
    g_fpOfResult = fopen(g_args.resultFile, "a");
    if (NULL == g_fpOfResult) {
        errorPrint("Failed to open %s for save result\n", g_args.resultFile);
        exit(-1);
    };

    fprintf(g_fpOfResult, "#############################################################################\n");
    fprintf(g_fpOfResult, "============================== arguments config =============================\n");
    {
        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: %s\n", g_args.all_databases?"true":"false");
        fprintf(g_fpOfResult, "databases: %d\n", g_args.databases);
        fprintf(g_fpOfResult, "schemaonly: %s\n", g_args.schemaonly?"true":"false");
        fprintf(g_fpOfResult, "with_property: %s\n", g_args.with_property?"true":"false");
        fprintf(g_fpOfResult, "avro format: %s\n", g_args.avro?"true":"false");
        fprintf(g_fpOfResult, "start_time: %" PRId64 "\n", g_args.start_time);
        fprintf(g_fpOfResult, "end_time: %" PRId64 "\n", g_args.end_time);
701
        fprintf(g_fpOfResult, "precision: %s\n", g_args.precision);
702 703 704 705 706 707 708 709 710 711 712 713
        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]);
        }
714 715
    }

716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
    g_numOfCores = (int32_t)sysconf(_SC_NPROCESSORS_ONLN);

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

    if (g_args.isDumpIn) {
        fprintf(g_fpOfResult, "============================== DUMP IN ============================== \n");
        fprintf(g_fpOfResult, "# DumpIn start time:                   %d-%02d-%02d %02d:%02d:%02d\n",
                tm.tm_year + 1900, tm.tm_mon + 1,
                tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
        if (taosDumpIn() < 0) {
            ret = -1;
        }
    } else {
        fprintf(g_fpOfResult, "============================== DUMP OUT ============================== \n");
        fprintf(g_fpOfResult, "# DumpOut start time:                   %d-%02d-%02d %02d:%02d:%02d\n",
                tm.tm_year + 1900, tm.tm_mon + 1,
                tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
        if (taosDumpOut() < 0) {
            ret = -1;
        } else {
            fprintf(g_fpOfResult, "\n============================== TOTAL STATISTICS ============================== \n");
            fprintf(g_fpOfResult, "# total database count:     %d\n",
                    g_resultStatistics.totalDatabasesOfDumpOut);
            fprintf(g_fpOfResult, "# total super table count:  %d\n",
                    g_resultStatistics.totalSuperTblsOfDumpOut);
            fprintf(g_fpOfResult, "# total child table count:  %"PRId64"\n",
                    g_resultStatistics.totalChildTblsOfDumpOut);
            fprintf(g_fpOfResult, "# total row count:          %"PRId64"\n",
                    g_resultStatistics.totalRowsOfDumpOut);
        }
    }
748

749 750
    fprintf(g_fpOfResult, "\n");
    fclose(g_fpOfResult);
751

752
    return ret;
753 754
}

755
static void taosFreeDbInfos() {
756 757 758
    if (g_dbInfos == NULL) return;
    for (int i = 0; i < 128; i++) tfree(g_dbInfos[i]);
    tfree(g_dbInfos);
759 760 761
}

// check table is normal table or super table
762 763 764 765 766 767 768 769 770 771 772 773 774 775
static 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) {
        errorPrint("%s() LN%d, failed to allocate memory\n",
                __func__, __LINE__);
        return -1;
    }
776

777
    sprintf(tempCommand, "show tables like %s", table);
778

779 780
    result = taos_query(taosCon, tempCommand);
    int32_t code = taos_errno(result);
781

782 783 784 785 786 787 788
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
789

790 791 792 793 794 795 796 797 798 799 800 801 802
    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;
    }
803

804
    taos_free_result(result);
805
    result = NULL;
806

807 808 809 810
    if (isSet) {
        free(tempCommand);
        return 0;
    }
811

812
    sprintf(tempCommand, "show stables like %s", table);
813

814 815
    result = taos_query(taosCon, tempCommand);
    code = taos_errno(result);
816

817 818 819 820 821 822 823
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
824

825 826 827 828 829 830 831
    while ((row = taos_fetch_row(result)) != NULL) {
        isSet = true;
        pTableRecordInfo->isMetric = true;
        tstrncpy(pTableRecordInfo->tableRecord.metric, table,
                TSDB_TABLE_NAME_LEN);
        break;
    }
832

833
    taos_free_result(result);
834
    result = NULL;
835

836 837 838 839 840 841
    if (isSet) {
        free(tempCommand);
        return 0;
    }
    errorPrint("%s() LN%d, invalid table/metric %s\n",
            __func__, __LINE__, table);
842
    free(tempCommand);
843
    return -1;
844 845 846
}


847 848
static int32_t taosSaveAllNormalTableToTempFile(TAOS *taosCon, char*meter,
        char* metric, int* fd) {
849 850 851 852 853 854 855 856 857 858
    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) {
            errorPrint("%s() LN%d, failed to open temp file: .tables.tmp.0\n",
                    __func__, __LINE__);
            return -1;
        }
859
    }
860

861 862 863
    memset(&tableRecord, 0, sizeof(STableRecord));
    tstrncpy(tableRecord.name, meter, TSDB_TABLE_NAME_LEN);
    tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
864

865 866
    taosWrite(*fd, &tableRecord, sizeof(STableRecord));
    return 0;
867 868
}

869 870 871 872 873 874
static int32_t taosSaveTableOfMetricToTempFile(
        TAOS *taosCon, char* metric,
        int32_t*  totalNumOfThread) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
875

876 877 878 879 880
    char* tmpCommand = (char *)malloc(COMMAND_SIZE);
    if (tmpCommand == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        return -1;
    }
881

882
    sprintf(tmpCommand, "select tbname from %s", metric);
883

884 885 886 887 888 889 890 891 892
    TAOS_RES *res = taos_query(taosCon, tmpCommand);
    int32_t code = taos_errno(res);
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tmpCommand);
        free(tmpCommand);
        taos_free_result(res);
        return -1;
    }
893 894
    free(tmpCommand);

895 896 897 898 899 900 901 902 903 904 905 906
    char     tmpBuf[MAX_FILE_NAME_LEN];
    memset(tmpBuf, 0, MAX_FILE_NAME_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) {
        errorPrint("%s() LN%d, failed to open temp file: %s\n",
                __func__, __LINE__, tmpBuf);
        taos_free_result(res);
        return -1;
    }

    TAOS_FIELD *fields = taos_fetch_fields(res);
907

908 909
    int32_t  numOfTable  = 0;
    while ((row = taos_fetch_row(res)) != NULL) {
H
Hui Li 已提交
910

911 912 913
        memset(&tableRecord, 0, sizeof(STableRecord));
        tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes);
        tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
914

915 916
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
        numOfTable++;
917
    }
918 919
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
920

921 922 923 924 925 926 927 928 929 930 931
    int maxThreads = g_args.thread_num;
    int tableOfPerFile ;
    if (numOfTable <= g_args.thread_num) {
        tableOfPerFile = 1;
        maxThreads = numOfTable;
    } else {
        tableOfPerFile = numOfTable / g_args.thread_num;
        if (0 != numOfTable % g_args.thread_num) {
            tableOfPerFile += 1;
        }
    }
932

933 934 935 936 937 938
    char* tblBuf = (char*)calloc(1, tableOfPerFile * sizeof(STableRecord));
    if (NULL == tblBuf){
        errorPrint("%s() LN%d, failed to calloc %" PRIzu "\n",
                __func__, __LINE__, tableOfPerFile * sizeof(STableRecord));
        close(fd);
        return -1;
939
    }
H
Hui Li 已提交
940

941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968
    int32_t  numOfThread = *totalNumOfThread;
    int      subFd = -1;
    for (; numOfThread < maxThreads; numOfThread++) {
        memset(tmpBuf, 0, MAX_FILE_NAME_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) {
            errorPrint("%s() LN%d, failed to open temp file: %s\n",
                    __func__, __LINE__, tmpBuf);
            for (int32_t loopCnt = 0; loopCnt < numOfThread; loopCnt++) {
                sprintf(tmpBuf, ".tables.tmp.%d", loopCnt);
                (void)remove(tmpBuf);
            }
            sprintf(tmpBuf, ".select-tbname.tmp");
            (void)remove(tmpBuf);
            free(tblBuf);
            close(fd);
            return -1;
        }

        // 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);
H
Hui Li 已提交
969 970
    }

971 972
    sprintf(tmpBuf, ".select-tbname.tmp");
    (void)remove(tmpBuf);
973

974 975 976 977
    if (fd >= 0) {
        close(fd);
        fd = -1;
    }
978

979
    *totalNumOfThread = numOfThread;
980

981 982
    free(tblBuf);
    return 0;
983 984
}

985 986 987 988
static int taosDumpOut() {
    TAOS     *taos       = NULL;
    TAOS_RES *result     = NULL;
    char     *command    = NULL;
989

990 991 992 993
    TAOS_ROW row;
    FILE *fp = NULL;
    int32_t count = 0;
    STableRecordInfo tableRecordInfo;
994

995 996 997 998 999 1000
    char tmpBuf[4096] = {0};
    if (g_args.outpath[0] != 0) {
        sprintf(tmpBuf, "%s/dbs.sql", g_args.outpath);
    } else {
        sprintf(tmpBuf, "dbs.sql");
    }
1001

1002 1003 1004 1005 1006 1007
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        return -1;
    }
1008

1009 1010 1011 1012 1013 1014
    g_dbInfos = (SDbInfo **)calloc(128, sizeof(SDbInfo *));
    if (g_dbInfos == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n",
                __func__, __LINE__);
        goto _exit_failure;
    }
1015

1016 1017 1018 1019 1020
    command = (char *)malloc(COMMAND_SIZE);
    if (command == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        goto _exit_failure;
    }
1021

1022 1023 1024 1025 1026 1027 1028
    /* Connect to server */
    taos = taos_connect(g_args.host, g_args.user, g_args.password,
            NULL, g_args.port);
    if (taos == NULL) {
        errorPrint("Failed to connect to TDengine server %s\n", g_args.host);
        goto _exit_failure;
    }
1029

1030 1031 1032 1033
    /* --------------------------------- Main Code -------------------------------- */
    /* if (g_args.databases || g_args.all_databases) { // dump part of databases or all databases */
    /*  */
    taosDumpCharset(fp);
1034

1035 1036 1037
    sprintf(command, "show databases");
    result = taos_query(taos, command);
    int32_t code = taos_errno(result);
1038

1039 1040 1041 1042 1043 1044 1045
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command: %s, reason: %s\n",
                __func__, __LINE__, command, taos_errstr(result));
        goto _exit_failure;
    }

    TAOS_FIELD *fields = taos_fetch_fields(result);
1046

1047 1048 1049
    while ((row = taos_fetch_row(result)) != NULL) {
        // sys database name : 'log', but subsequent version changed to 'log'
        if ((strncasecmp(row[TSDB_SHOW_DB_NAME_INDEX], "log",
1050
                        fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0)
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070
                && (!g_args.allow_sys)) {
            continue;
        }

        if (g_args.databases) {  // input multi dbs
            for (int i = 0; g_args.arg_list[i]; i++) {
                if (strncasecmp(g_args.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 (!g_args.all_databases) {  // only input one db
            if (strncasecmp(g_args.arg_list[0],
                        (char *)row[TSDB_SHOW_DB_NAME_INDEX],
                        fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0)
                goto _dump_db_point;
            else
                continue;
        }
1071

1072
_dump_db_point:
1073

1074 1075 1076 1077 1078 1079
        g_dbInfos[count] = (SDbInfo *)calloc(1, sizeof(SDbInfo));
        if (g_dbInfos[count] == NULL) {
            errorPrint("%s() LN%d, failed to allocate %"PRIu64" memory\n",
                    __func__, __LINE__, (uint64_t)sizeof(SDbInfo));
            goto _exit_failure;
        }
1080

1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
        strncpy(g_dbInfos[count]->name, (char *)row[TSDB_SHOW_DB_NAME_INDEX],
                fields[TSDB_SHOW_DB_NAME_INDEX].bytes);
        if (g_args.with_property) {
            g_dbInfos[count]->ntables = *((int32_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]);
            g_dbInfos[count]->vgroups = *((int32_t *)row[TSDB_SHOW_DB_VGROUPS_INDEX]);
            g_dbInfos[count]->replica = *((int16_t *)row[TSDB_SHOW_DB_REPLICA_INDEX]);
            g_dbInfos[count]->quorum = *((int16_t *)row[TSDB_SHOW_DB_QUORUM_INDEX]);
            g_dbInfos[count]->days = *((int16_t *)row[TSDB_SHOW_DB_DAYS_INDEX]);

            strncpy(g_dbInfos[count]->keeplist, (char *)row[TSDB_SHOW_DB_KEEP_INDEX],
                    fields[TSDB_SHOW_DB_KEEP_INDEX].bytes);
            //g_dbInfos[count]->daysToKeep = *((int16_t *)row[TSDB_SHOW_DB_KEEP_INDEX]);
            //g_dbInfos[count]->daysToKeep1;
            //g_dbInfos[count]->daysToKeep2;
            g_dbInfos[count]->cache = *((int32_t *)row[TSDB_SHOW_DB_CACHE_INDEX]);
            g_dbInfos[count]->blocks = *((int32_t *)row[TSDB_SHOW_DB_BLOCKS_INDEX]);
            g_dbInfos[count]->minrows = *((int32_t *)row[TSDB_SHOW_DB_MINROWS_INDEX]);
            g_dbInfos[count]->maxrows = *((int32_t *)row[TSDB_SHOW_DB_MAXROWS_INDEX]);
            g_dbInfos[count]->wallevel = *((int8_t *)row[TSDB_SHOW_DB_WALLEVEL_INDEX]);
            g_dbInfos[count]->fsync = *((int32_t *)row[TSDB_SHOW_DB_FSYNC_INDEX]);
            g_dbInfos[count]->comp = (int8_t)(*((int8_t *)row[TSDB_SHOW_DB_COMP_INDEX]));
            g_dbInfos[count]->cachelast = (int8_t)(*((int8_t *)row[TSDB_SHOW_DB_CACHELAST_INDEX]));

            strncpy(g_dbInfos[count]->precision, (char *)row[TSDB_SHOW_DB_PRECISION_INDEX],
                    fields[TSDB_SHOW_DB_PRECISION_INDEX].bytes);
            //g_dbInfos[count]->precision = *((int8_t *)row[TSDB_SHOW_DB_PRECISION_INDEX]);
            g_dbInfos[count]->update = *((int8_t *)row[TSDB_SHOW_DB_UPDATE_INDEX]);
        }
        count++;
1110

1111 1112
        if (g_args.databases) {
            if (count > g_args.arg_list_len) break;
1113

1114 1115 1116
        } else if (!g_args.all_databases) {
            if (count >= 1) break;
        }
1117
    }
1118

1119 1120
    if (count == 0) {
        errorPrint("%d databases valid to dump\n", count);
1121
        goto _exit_failure;
1122
    }
1123

1124 1125 1126
    if (g_args.databases || g_args.all_databases) { // case: taosdump --databases dbx dby ...   OR  taosdump --all-databases
        for (int i = 0; i < count; i++) {
            taosDumpDb(g_dbInfos[i], fp, taos);
1127
        }
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143
    } else {
        if (g_args.arg_list_len == 1) {             // case: taosdump <db>
            taosDumpDb(g_dbInfos[0], fp, taos);
        } else {                                        // case: taosdump <db> tablex tabley ...
            taosDumpCreateDbClause(g_dbInfos[0], g_args.with_property, fp);
            fprintf(g_fpOfResult, "\n#### database:                       %s\n",
                    g_dbInfos[0]->name);
            g_resultStatistics.totalDatabasesOfDumpOut++;

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

            result = taos_query(taos, command);
            code = taos_errno(result);
            if (code != 0) {
                errorPrint("invalid database %s\n", g_dbInfos[0]->name);
                goto _exit_failure;
1144
            }
1145

1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190
            fprintf(fp, "USE %s;\n\n", g_dbInfos[0]->name);

            int32_t totalNumOfThread = 1;  // 0: all normal talbe into .tables.tmp.0
            int  normalTblFd = -1;
            int32_t retCode;
            int superTblCnt = 0 ;
            for (int i = 1; g_args.arg_list[i]; i++) {
                if (taosGetTableRecordInfo(g_args.arg_list[i],
                            &tableRecordInfo, taos) < 0) {
                    errorPrint("input the invalide table %s\n",
                            g_args.arg_list[i]);
                    continue;
                }

                if (tableRecordInfo.isMetric) {  // dump all table of this metric
                    int ret = taosDumpStable(
                            tableRecordInfo.tableRecord.metric,
                            fp, taos, g_dbInfos[0]->name);
                    if (0 == ret) {
                        superTblCnt++;
                    }
                    retCode = taosSaveTableOfMetricToTempFile(
                            taos, tableRecordInfo.tableRecord.metric,
                            &totalNumOfThread);
                } else {
                    if (tableRecordInfo.tableRecord.metric[0] != '\0') {  // dump this sub table and it's metric
                        int ret = taosDumpStable(
                                tableRecordInfo.tableRecord.metric,
                                fp, taos, g_dbInfos[0]->name);
                        if (0 == ret) {
                            superTblCnt++;
                        }
                    }
                    retCode = taosSaveAllNormalTableToTempFile(
                            taos, tableRecordInfo.tableRecord.name,
                            tableRecordInfo.tableRecord.metric, &normalTblFd);
                }

                if (retCode < 0) {
                    if (-1 != normalTblFd){
                        taosClose(normalTblFd);
                    }
                    goto _clean_tmp_file;
                }
            }
1191

1192 1193 1194 1195
            // TODO: save dump super table <superTblCnt> into result_output.txt
            fprintf(g_fpOfResult, "# super table counter:               %d\n",
                    superTblCnt);
            g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1196

1197 1198 1199
            if (-1 != normalTblFd){
                taosClose(normalTblFd);
            }
1200

1201 1202 1203
            // start multi threads to dumpout
            taosStartDumpOutWorkThreads(totalNumOfThread,
                    g_dbInfos[0]->name);
1204

1205 1206 1207 1208 1209 1210 1211
            char tmpFileName[MAX_FILE_NAME_LEN];
_clean_tmp_file:
            for (int loopCnt = 0; loopCnt < totalNumOfThread; loopCnt++) {
                sprintf(tmpFileName, ".tables.tmp.%d", loopCnt);
                remove(tmpFileName);
            }
        }
1212 1213
    }

1214 1215 1216 1217 1218 1219 1220 1221
    /* Close the handle and return */
    fclose(fp);
    taos_close(taos);
    taos_free_result(result);
    tfree(command);
    taosFreeDbInfos();
    fprintf(stderr, "dump out rows: %" PRId64 "\n", g_totalDumpOutRows);
    return 0;
1222 1223

_exit_failure:
1224 1225 1226 1227 1228 1229 1230
    fclose(fp);
    taos_close(taos);
    taos_free_result(result);
    tfree(command);
    taosFreeDbInfos();
    errorPrint("dump out rows: %" PRId64 "\n", g_totalDumpOutRows);
    return -1;
1231 1232
}

1233
static int taosGetTableDes(
1234 1235
        char* dbName, char *table,
        STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1236 1237 1238
    TAOS_ROW row = NULL;
    TAOS_RES* res = NULL;
    int count = 0;
1239

1240 1241
    char sqlstr[COMMAND_SIZE];
    sprintf(sqlstr, "describe %s.%s;", dbName, table);
1242

1243 1244 1245 1246 1247 1248 1249 1250
    res = taos_query(taosCon, sqlstr);
    int32_t code = taos_errno(res);
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command <%s>, reason:%s\n",
                __func__, __LINE__, sqlstr, taos_errstr(res));
        taos_free_result(res);
        return -1;
    }
1251

1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269
    TAOS_FIELD *fields = taos_fetch_fields(res);

    tstrncpy(tableDes->name, table, TSDB_TABLE_NAME_LEN);
    while ((row = taos_fetch_row(res)) != NULL) {
        strncpy(tableDes->cols[count].field,
                (char *)row[TSDB_DESCRIBE_METRIC_FIELD_INDEX],
                fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes);
        strncpy(tableDes->cols[count].type,
                (char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX],
                min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
        tableDes->cols[count].length =
            *((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]);
        strncpy(tableDes->cols[count].note,
                (char *)row[TSDB_DESCRIBE_METRIC_NOTE_INDEX],
                fields[TSDB_DESCRIBE_METRIC_NOTE_INDEX].bytes);

        count++;
    }
1270

1271 1272
    taos_free_result(res);
    res = NULL;
1273

1274 1275 1276
    if (isSuperTable) {
        return count;
    }
1277

1278 1279 1280
    // 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;
1281

1282

1283 1284
        sprintf(sqlstr, "select %s from %s.%s",
                tableDes->cols[i].field, dbName, table);
1285

1286 1287 1288 1289 1290 1291 1292 1293
        res = taos_query(taosCon, sqlstr);
        code = taos_errno(res);
        if (code != 0) {
            errorPrint("%s() LN%d, failed to run command <%s>, reason:%s\n",
                    __func__, __LINE__, sqlstr, taos_errstr(res));
            taos_free_result(res);
            return -1;
        }
1294

1295
        fields = taos_fetch_fields(res);
1296

1297 1298 1299 1300 1301 1302 1303
        row = taos_fetch_row(res);
        if (NULL == row) {
            errorPrint("%s() LN%d, fetch failed to run command <%s>, reason:%s\n",
                    __func__, __LINE__, sqlstr, taos_errstr(res));
            taos_free_result(res);
            return -1;
        }
1304

1305 1306 1307 1308 1309 1310
        if (row[0] == NULL) {
            sprintf(tableDes->cols[i].note, "%s", "NULL");
            taos_free_result(res);
            res = NULL;
            continue;
        }
1311

1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
        int32_t* length = taos_fetch_lengths(res);

        //int32_t* length = taos_fetch_lengths(tmpResult);
        switch (fields[0].type) {
            case TSDB_DATA_TYPE_BOOL:
                sprintf(tableDes->cols[i].note, "%d",
                        ((((int32_t)(*((char *)row[0]))) == 1) ? 1 : 0));
                break;
            case TSDB_DATA_TYPE_TINYINT:
                sprintf(tableDes->cols[i].note, "%d", *((int8_t *)row[0]));
                break;
            case TSDB_DATA_TYPE_SMALLINT:
                sprintf(tableDes->cols[i].note, "%d", *((int16_t *)row[0]));
                break;
            case TSDB_DATA_TYPE_INT:
                sprintf(tableDes->cols[i].note, "%d", *((int32_t *)row[0]));
                break;
            case TSDB_DATA_TYPE_BIGINT:
                sprintf(tableDes->cols[i].note, "%" PRId64 "", *((int64_t *)row[0]));
                break;
            case TSDB_DATA_TYPE_FLOAT:
                sprintf(tableDes->cols[i].note, "%f", GET_FLOAT_VAL(row[0]));
                break;
            case TSDB_DATA_TYPE_DOUBLE:
                sprintf(tableDes->cols[i].note, "%f", GET_DOUBLE_VAL(row[0]));
                break;
            case TSDB_DATA_TYPE_BINARY:
                {
                    memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
                    tableDes->cols[i].note[0] = '\'';
                    char tbuf[COL_NOTE_LEN];
                    converStringToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
                    char* pstr = stpcpy(&(tableDes->cols[i].note[1]), tbuf);
                    *(pstr++) = '\'';
                    break;
                }
            case TSDB_DATA_TYPE_NCHAR:
                {
                    memset(tableDes->cols[i].note, 0, sizeof(tableDes->cols[i].note));
                    char tbuf[COL_NOTE_LEN-2];    // need reserve 2 bytes for ' '
                    convertNCharToReadable((char *)row[0], length[0], tbuf, COL_NOTE_LEN);
                    sprintf(tableDes->cols[i].note, "\'%s\'", tbuf);
                    break;
                }
            case TSDB_DATA_TYPE_TIMESTAMP:
                sprintf(tableDes->cols[i].note, "%" PRId64 "", *(int64_t *)row[0]);
#if 0
                if (!g_args.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;
1373
        }
1374 1375 1376

        taos_free_result(res);
        res = NULL;
1377
    }
1378

1379 1380
    return count;
}
1381

1382 1383 1384 1385 1386
static int convertSchemaToAvroSchema(STableDef *tableDes, char **avroSchema)
{
    errorPrint("%s() LN%d TODO: covert table schema to avro schema\n",
            __func__, __LINE__);
    return 0;
1387 1388
}

1389
static int32_t taosDumpTable(
1390
        char *table, char *metric,
1391
        FILE *fp, TAOS* taosCon, char* dbName) {
1392
    int count = 0;
1393

1394 1395
    STableDef *tableDes = (STableDef *)calloc(1, sizeof(STableDef)
            + sizeof(SColDes) * TSDB_MAX_COLUMNS);
1396

1397 1398 1399
    if (metric != NULL && metric[0] != '\0') {  // dump table schema which is created by using super table
        /*
           count = taosGetTableDes(metric, tableDes, taosCon);
1400

1401 1402 1403 1404
           if (count < 0) {
           free(tableDes);
           return -1;
           }
1405

1406
           taosDumpCreateTableClause(tableDes, count, fp);
1407

1408 1409
           memset(tableDes, 0, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS);
           */
1410

1411
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1412

1413 1414 1415 1416
        if (count < 0) {
            free(tableDes);
            return -1;
        }
1417

1418 1419
        // create child-table using super-table
        taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1420

1421 1422
    } else {  // dump table definition
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1423

1424 1425 1426 1427 1428 1429 1430
        if (count < 0) {
            free(tableDes);
            return -1;
        }

        // create normal-table or super-table
        taosDumpCreateTableClause(tableDes, count, fp, dbName);
1431 1432
    }

1433 1434 1435 1436 1437 1438
    char *jsonAvroSchema = NULL;
    if (g_args.avro) {
        convertSchemaToAvroSchema(tableDes, &jsonAvroSchema);
    }

    free(tableDes);
1439

1440 1441 1442 1443 1444
    int32_t ret = 0;
    if (!g_args.schemaonly) {
        ret = taosDumpTableData(fp, table, taosCon, dbName,
            jsonAvroSchema);
    }
1445

1446
    return ret;
1447 1448
}

1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465
static void taosDumpCreateDbClause(
        SDbInfo *dbInfo, bool isDumpProperty, FILE *fp) {
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};

    char *pstr = sqlstr;
    pstr += sprintf(pstr, "CREATE DATABASE IF NOT EXISTS %s ", dbInfo->name);
    if (isDumpProperty) {
        pstr += sprintf(pstr,
                "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);
    }
1466

1467 1468
    pstr += sprintf(pstr, ";");
    fprintf(fp, "%s\n\n", sqlstr);
1469 1470
}

1471
static void* taosDumpOutWorkThreadFp(void *arg)
1472
{
1473 1474 1475 1476
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
    STableRecord    tableRecord;
    int fd;

1477 1478
    setThreadName("dumpOutWorkThrd");

1479 1480 1481 1482 1483 1484 1485 1486
    char tmpBuf[4096] = {0};
    sprintf(tmpBuf, ".tables.tmp.%d", pThread->threadIndex);
    fd = open(tmpBuf, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
    if (fd == -1) {
        errorPrint("%s() LN%d, failed to open temp file: %s\n",
                __func__, __LINE__, tmpBuf);
        return NULL;
    }
1487

1488 1489
    FILE *fp = NULL;
    memset(tmpBuf, 0, 4096);
1490

1491 1492 1493 1494 1495 1496 1497
    if (g_args.outpath[0] != 0) {
        sprintf(tmpBuf, "%s/%s.tables.%d.sql",
                g_args.outpath, pThread->dbName, pThread->threadIndex);
    } else {
        sprintf(tmpBuf, "%s.tables.%d.sql",
                pThread->dbName, pThread->threadIndex);
    }
1498

1499 1500 1501 1502 1503 1504 1505
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        close(fd);
        return NULL;
    }
1506

1507 1508
    memset(tmpBuf, 0, 4096);
    sprintf(tmpBuf, "use %s", pThread->dbName);
H
Hui Li 已提交
1509

1510 1511 1512 1513 1514 1515
    TAOS_RES* tmpResult = taos_query(pThread->taosCon, tmpBuf);
    int32_t code = taos_errno(tmpResult);
    if (code != 0) {
        errorPrint("%s() LN%d, invalid database %s. reason: %s\n",
                __func__, __LINE__, pThread->dbName, taos_errstr(tmpResult));
        taos_free_result(tmpResult);
H
Hui Li 已提交
1516
        fclose(fp);
1517 1518 1519
        close(fd);
        return NULL;
    }
1520

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571
#if 0
    int     fileNameIndex = 1;
    int     tablesInOneFile = 0;
#endif
    int64_t lastRowsPrint = 5000000;
    fprintf(fp, "USE %s;\n\n", pThread->dbName);
    while (1) {
        ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
        if (readLen <= 0) break;

        int ret = taosDumpTable(
                tableRecord.name, tableRecord.metric,
                fp, pThread->taosCon, pThread->dbName);
        if (ret >= 0) {
            // TODO: sum table count and table rows by self
            pThread->tablesOfDumpOut++;
            pThread->rowsOfDumpOut += ret;

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

#if 0
            tablesInOneFile++;
            if (tablesInOneFile >= g_args.table_batch) {
                fclose(fp);
                tablesInOneFile = 0;

                memset(tmpBuf, 0, 4096);
                if (g_args.outpath[0] != 0) {
                    sprintf(tmpBuf, "%s/%s.tables.%d-%d.sql",
                            g_args.outpath, pThread->dbName,
                            pThread->threadIndex, fileNameIndex);
                } else {
                    sprintf(tmpBuf, "%s.tables.%d-%d.sql",
                            pThread->dbName, pThread->threadIndex, fileNameIndex);
                }
                fileNameIndex++;

                fp = fopen(tmpBuf, "w");
                if (fp == NULL) {
                    errorPrint("%s() LN%d, failed to open file %s\n",
                            __func__, __LINE__, tmpBuf);
                    close(fd);
                    taos_free_result(tmpResult);
                    return NULL;
                }
            }
#endif
H
Hui Li 已提交
1572
        }
1573
    }
1574

1575 1576 1577
    taos_free_result(tmpResult);
    close(fd);
    fclose(fp);
1578

1579
    return NULL;
1580 1581
}

1582
static void taosStartDumpOutWorkThreads(int32_t  numOfThread, char *dbName)
1583
{
1584 1585 1586 1587 1588 1589 1590 1591
    pthread_attr_t thattr;
    SThreadParaObj *threadObj =
        (SThreadParaObj *)calloc(numOfThread, sizeof(SThreadParaObj));

    if (threadObj == NULL) {
        errorPrint("%s() LN%d, memory allocation failed!\n",
                __func__, __LINE__);
        return;
1592 1593
    }

1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604
    for (int t = 0; t < numOfThread; ++t) {
        SThreadParaObj *pThread = threadObj + t;
        pThread->rowsOfDumpOut = 0;
        pThread->tablesOfDumpOut = 0;
        pThread->threadIndex = t;
        pThread->totalThreads = numOfThread;
        tstrncpy(pThread->dbName, dbName, TSDB_DB_NAME_LEN);
        pThread->taosCon = taos_connect(g_args.host, g_args.user, g_args.password,
            NULL, g_args.port);
        if (pThread->taosCon == NULL) {
            errorPrint("Failed to connect to TDengine server %s\n", g_args.host);
1605
            free(threadObj);
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
            return;
        }
        pthread_attr_init(&thattr);
        pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);

        if (pthread_create(&(pThread->threadID), &thattr,
                    taosDumpOutWorkThreadFp,
                    (void*)pThread) != 0) {
            errorPrint("%s() LN%d, thread:%d failed to start\n",
                   __func__, __LINE__, pThread->threadIndex);
            exit(-1);
        }
    }
1619

1620 1621 1622
    for (int32_t t = 0; t < numOfThread; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
1623

1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638
    // TODO: sum all thread dump table count and rows of per table, then save into result_output.txt
    int64_t   totalRowsOfDumpOut = 0;
    int64_t   totalChildTblsOfDumpOut = 0;
    for (int32_t t = 0; t < numOfThread; ++t) {
        totalChildTblsOfDumpOut += threadObj[t].tablesOfDumpOut;
        totalRowsOfDumpOut      += threadObj[t].rowsOfDumpOut;
    }

    fprintf(g_fpOfResult, "# child table counter:               %"PRId64"\n",
            totalChildTblsOfDumpOut);
    fprintf(g_fpOfResult, "# row counter:                       %"PRId64"\n",
            totalRowsOfDumpOut);
    g_resultStatistics.totalChildTblsOfDumpOut += totalChildTblsOfDumpOut;
    g_resultStatistics.totalRowsOfDumpOut      += totalRowsOfDumpOut;
    free(threadObj);
1639 1640
}

1641 1642
static int32_t taosDumpStable(char *table, FILE *fp,
        TAOS* taosCon, char* dbName) {
1643

1644 1645 1646 1647 1648 1649 1650
    uint64_t sizeOfTableDes = (uint64_t)(sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS);
    STableDef *tableDes = (STableDef *)calloc(1, sizeOfTableDes);
    if (NULL == tableDes) {
        errorPrint("%s() LN%d, failed to allocate %"PRIu64" memory\n",
                __func__, __LINE__, sizeOfTableDes);
        exit(-1);
    }
1651

1652
    int count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1653

1654 1655 1656 1657 1658 1659
    if (count < 0) {
        free(tableDes);
        errorPrint("%s() LN%d, failed to get stable[%s] schema\n",
               __func__, __LINE__, table);
        exit(-1);
    }
1660

1661
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1662 1663

    free(tableDes);
1664
    return 0;
1665 1666
}

1667
static int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp)
1668
{
1669 1670 1671 1672
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1673

1674
    sprintf(sqlstr, "show %s.stables", dbName);
1675

1676 1677 1678 1679 1680 1681 1682 1683
    TAOS_RES* res = taos_query(taosCon, sqlstr);
    int32_t  code = taos_errno(res);
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command <%s>, reason: %s\n",
                __func__, __LINE__, sqlstr, taos_errstr(res));
        taos_free_result(res);
        exit(-1);
    }
1684

1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697
    TAOS_FIELD *fields = taos_fetch_fields(res);

    char     tmpFileName[MAX_FILE_NAME_LEN];
    memset(tmpFileName, 0, MAX_FILE_NAME_LEN);
    sprintf(tmpFileName, ".stables.tmp");
    fd = open(tmpFileName, O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH);
    if (fd == -1) {
        errorPrint("%s() LN%d, failed to open temp file: %s\n",
                __func__, __LINE__, tmpFileName);
        taos_free_result(res);
        (void)remove(".stables.tmp");
        exit(-1);
    }
1698

1699 1700 1701 1702 1703 1704
    while ((row = taos_fetch_row(res)) != NULL) {
        memset(&tableRecord, 0, sizeof(STableRecord));
        strncpy(tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX],
                fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes);
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
    }
1705

1706 1707
    taos_free_result(res);
    (void)lseek(fd, 0, SEEK_SET);
1708

1709 1710 1711 1712
    int superTblCnt = 0;
    while (1) {
        ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
        if (readLen <= 0) break;
1713

1714 1715 1716 1717
        int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
        if (0 == ret) {
            superTblCnt++;
        }
1718
    }
1719

1720 1721 1722
    // TODO: save dump super table <superTblCnt> into result_output.txt
    fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
    g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1723

1724 1725
    close(fd);
    (void)remove(".stables.tmp");
1726

1727
    return 0;
1728 1729 1730
}


1731 1732 1733 1734
static int taosDumpDb(SDbInfo *dbInfo, FILE *fp, TAOS *taosCon) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
1735

1736
    taosDumpCreateDbClause(dbInfo, g_args.with_property, fp);
1737

1738 1739 1740
    fprintf(g_fpOfResult, "\n#### database:                       %s\n",
            dbInfo->name);
    g_resultStatistics.totalDatabasesOfDumpOut++;
1741

1742
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1743

1744
    fprintf(fp, "USE %s;\n\n", dbInfo->name);
1745

1746
    (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp);
1747

1748
    sprintf(sqlstr, "show %s.tables", dbInfo->name);
1749

1750 1751 1752 1753 1754 1755 1756 1757
    TAOS_RES* res = taos_query(taosCon, sqlstr);
    int code = taos_errno(res);
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command <%s>, reason:%s\n",
                __func__, __LINE__, sqlstr, taos_errstr(res));
        taos_free_result(res);
        return -1;
    }
1758

1759 1760 1761 1762 1763 1764 1765 1766 1767 1768
    char tmpBuf[MAX_FILE_NAME_LEN];
    memset(tmpBuf, 0, MAX_FILE_NAME_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) {
        errorPrint("%s() LN%d, failed to open temp file: %s\n",
                __func__, __LINE__, tmpBuf);
        taos_free_result(res);
        return -1;
    }
1769

1770
    TAOS_FIELD *fields = taos_fetch_fields(res);
1771

1772 1773 1774 1775 1776 1777 1778
    int32_t  numOfTable  = 0;
    while ((row = taos_fetch_row(res)) != NULL) {
        memset(&tableRecord, 0, sizeof(STableRecord));
        tstrncpy(tableRecord.name, (char *)row[TSDB_SHOW_TABLES_NAME_INDEX],
                fields[TSDB_SHOW_TABLES_NAME_INDEX].bytes);
        tstrncpy(tableRecord.metric, (char *)row[TSDB_SHOW_TABLES_METRIC_INDEX],
                min(TSDB_TABLE_NAME_LEN, fields[TSDB_SHOW_TABLES_METRIC_INDEX].bytes));
H
Hui Li 已提交
1779

1780
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
1781

1782
        numOfTable++;
1783
    }
1784 1785
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
H
Hui Li 已提交
1786

1787 1788 1789 1790 1791 1792 1793 1794 1795 1796
    int maxThreads = g_args.thread_num;
    int tableOfPerFile ;
    if (numOfTable <= g_args.thread_num) {
        tableOfPerFile = 1;
        maxThreads = numOfTable;
    } else {
        tableOfPerFile = numOfTable / g_args.thread_num;
        if (0 != numOfTable % g_args.thread_num) {
            tableOfPerFile += 1;
        }
H
Hui Li 已提交
1797
    }
1798

1799 1800 1801 1802 1803 1804 1805
    char* tblBuf = (char*)calloc(1, tableOfPerFile * sizeof(STableRecord));
    if (NULL == tblBuf){
        errorPrint("failed to calloc %" PRIzu "\n",
                tableOfPerFile * sizeof(STableRecord));
        close(fd);
        return -1;
    }
H
Hui Li 已提交
1806

1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825
    int32_t  numOfThread = 0;
    int      subFd = -1;
    for (numOfThread = 0; numOfThread < maxThreads; numOfThread++) {
        memset(tmpBuf, 0, MAX_FILE_NAME_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) {
            errorPrint("%s() LN%d, failed to open temp file: %s\n",
                    __func__, __LINE__, 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);
            free(tblBuf);
            close(fd);
            return -1;
        }
1826

1827 1828 1829 1830 1831 1832 1833 1834 1835
        // 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);
    }
1836

1837
    sprintf(tmpBuf, ".show-tables.tmp");
H
Hui Li 已提交
1838
    (void)remove(tmpBuf);
1839

1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
    if (fd >= 0) {
        close(fd);
        fd = -1;
    }

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

    free(tblBuf);
    return 0;
1854 1855
}

1856 1857
static void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols,
        FILE *fp, char* dbName) {
1858 1859
  int counter = 0;
  int count_temp = 0;
1860
  char sqlstr[COMMAND_SIZE];
1861

1862
  char* pstr = sqlstr;
1863

1864 1865
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s",
          dbName, tableDes->name);
1866 1867 1868 1869 1870

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

    if (counter == 0) {
1871 1872
      pstr += sprintf(pstr, " (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1873
    } else {
1874 1875
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887
    }

    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) {
1888 1889
      pstr += sprintf(pstr, ") TAGS (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1890
    } else {
1891 1892
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1893 1894 1895 1896 1897 1898 1899 1900 1901 1902
    }

    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, ");");

1903
  fprintf(fp, "%s\n\n", sqlstr);
1904 1905
}

1906 1907
static void taosDumpCreateMTableClause(STableDef *tableDes, char *metric,
        int numOfCols, FILE *fp, char* dbName) {
1908 1909 1910 1911 1912 1913 1914 1915 1916
    int counter = 0;
    int count_temp = 0;

    char* tmpBuf = (char *)malloc(COMMAND_SIZE);
    if (tmpBuf == NULL) {
        errorPrint("%s() LN%d, failed to allocate %d memory\n",
               __func__, __LINE__, COMMAND_SIZE);
        return;
    }
1917

1918 1919
    char *pstr = NULL;
    pstr = tmpBuf;
1920

1921 1922 1923
    pstr += sprintf(tmpBuf,
            "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (",
            dbName, tableDes->name, dbName, metric);
1924

1925 1926 1927
    for (; counter < numOfCols; counter++) {
        if (tableDes->cols[counter].note[0] != '\0') break;
    }
1928

1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
    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); */
        }
1951

1952 1953 1954 1955
        /* if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar")
         * == 0) { */
        /*     pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); */
        /* } */
1956 1957
    }

1958
    pstr += sprintf(pstr, ");");
1959

1960 1961
    fprintf(fp, "%s\n", tmpBuf);
    free(tmpBuf);
1962 1963
}

1964 1965 1966 1967 1968 1969
static int writeSchemaToAvro(char *jsonAvroSchema)
{
    errorPrint("%s() LN%d, TODO: implement write schema to avro",
            __func__, __LINE__);
    return 0;
}
1970

1971 1972 1973
static int64_t writeResultToAvro(TAOS_RES *res)
{
    errorPrint("%s() LN%d, TODO: implementation need\n", __func__, __LINE__);
1974
    return 0;
1975
}
1976

1977 1978 1979
static int64_t writeResultToSql(TAOS_RES *res, FILE *fp, char *dbName, char *tbName)
{
    int64_t    totalRows     = 0;
1980

1981 1982 1983 1984 1985 1986
    int32_t  sql_buf_len = g_args.max_sql_len;
    char* tmpBuffer = (char *)calloc(1, sql_buf_len + 128);
    if (tmpBuffer == NULL) {
        errorPrint("failed to allocate %d memory\n", sql_buf_len + 128);
        return -1;
    }
1987

1988
    char *pstr = tmpBuffer;
1989

1990 1991 1992 1993 1994
    TAOS_ROW row = NULL;
    int numFields = 0;
    int rowFlag = 0;
    int64_t    lastRowsPrint = 5000000;
    int count = 0;
1995

1996 1997 1998
    numFields = taos_field_count(res);
    assert(numFields > 0);
    TAOS_FIELD *fields = taos_fetch_fields(res);
1999

2000 2001
    int32_t  curr_sqlstr_len = 0;
    int32_t  total_sqlstr_len = 0;
2002

2003 2004
    while ((row = taos_fetch_row(res)) != NULL) {
        curr_sqlstr_len = 0;
2005

2006 2007 2008 2009 2010 2011
        int32_t* length = taos_fetch_lengths(res);   // act len

        if (count == 0) {
            total_sqlstr_len = 0;
            curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len,
                    "INSERT INTO %s.%s VALUES (", dbName, tbName);
2012
        } else {
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
            if (g_args.mysqlFlag) {
                if (0 == rowFlag) {
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
                    rowFlag++;
                } else {
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", (");
                }
            } else {
                curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "(");
            }
2023 2024
        }

2025 2026
        for (int col = 0; col < numFields; col++) {
            if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
2027

2028 2029 2030 2031
            if (row[col] == NULL) {
                curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
                continue;
            }
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
            switch (fields[col].type) {
                case TSDB_DATA_TYPE_BOOL:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d",
                            ((((int32_t)(*((char *)row[col]))) == 1) ? 1 : 0));
                    break;
                case TSDB_DATA_TYPE_TINYINT:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int8_t *)row[col]));
                    break;
                case TSDB_DATA_TYPE_SMALLINT:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int16_t *)row[col]));
                    break;
                case TSDB_DATA_TYPE_INT:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%d", *((int32_t *)row[col]));
                    break;
                case TSDB_DATA_TYPE_BIGINT:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "",
                            *((int64_t *)row[col]));
                    break;
                case TSDB_DATA_TYPE_FLOAT:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_FLOAT_VAL(row[col]));
                    break;
                case TSDB_DATA_TYPE_DOUBLE:
                    curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%f", GET_DOUBLE_VAL(row[col]));
                    break;
                case TSDB_DATA_TYPE_BINARY:
                    {
                        char tbuf[COMMAND_SIZE] = {0};
                        //*(pstr++) = '\'';
                        converStringToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
                        //pstr = stpcpy(pstr, tbuf);
                        //*(pstr++) = '\'';
                        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
                        break;
                    }
                case TSDB_DATA_TYPE_NCHAR:
                    {
                        char tbuf[COMMAND_SIZE] = {0};
                        convertNCharToReadable((char *)row[col], length[col], tbuf, COMMAND_SIZE);
                        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s\'", tbuf);
                        break;
                    }
                case TSDB_DATA_TYPE_TIMESTAMP:
                    if (!g_args.mysqlFlag) {
                        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "%" PRId64 "",
                                *(int64_t *)row[col]);
                    } else {
                        char buf[64] = "\0";
                        int64_t ts = *((int64_t *)row[col]);
                        time_t tt = (time_t)(ts / 1000);
                        struct tm *ptm = localtime(&tt);
                        strftime(buf, 64, "%y-%m-%d %H:%M:%S", ptm);
                        curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "\'%s.%03d\'",
                                buf, (int)(ts % 1000));
                    }
                    break;
                default:
                    break;
            }
2091
        }
2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110

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

        totalRows++;
        count++;
        fprintf(fp, "%s", tmpBuffer);

        if (totalRows >= lastRowsPrint) {
            printf(" %"PRId64 " rows already be dumpout from %s.%s\n",
                    totalRows, dbName, tbName);
            lastRowsPrint += 5000000;
        }

        total_sqlstr_len += curr_sqlstr_len;

        if ((count >= g_args.data_batch)
                || (sql_buf_len - total_sqlstr_len < TSDB_MAX_BYTES_PER_ROW)) {
            fprintf(fp, ";\n");
            count = 0;
2111
        }
2112 2113
    }

2114
    debugPrint("total_sqlstr_len: %d\n", total_sqlstr_len);
2115

2116 2117 2118
    fprintf(fp, "\n");
    atomic_add_fetch_64(&g_totalDumpOutRows, totalRows);
    free(tmpBuffer);
2119

2120 2121
    return 0;
}
2122

2123 2124 2125 2126
static int taosDumpTableData(FILE *fp, char *tbName,
        TAOS* taosCon, char* dbName,
        char *jsonAvroSchema) {
    int64_t    totalRows     = 0;
2127

2128 2129 2130 2131
    char sqlstr[1024] = {0};
    sprintf(sqlstr,
            "select * from %s.%s where _c0 >= %" PRId64 " and _c0 <= %" PRId64 " order by _c0 asc;",
            dbName, tbName, g_args.start_time, g_args.end_time);
2132

2133 2134 2135 2136 2137 2138 2139 2140
    TAOS_RES* res = taos_query(taosCon, sqlstr);
    int32_t code = taos_errno(res);
    if (code != 0) {
        errorPrint("failed to run command %s, reason: %s\n",
                sqlstr, taos_errstr(res));
        taos_free_result(res);
        return -1;
    }
2141

2142 2143 2144 2145 2146 2147
    if (g_args.avro) {
        writeSchemaToAvro(jsonAvroSchema);
        totalRows = writeResultToAvro(res);
    } else {
        totalRows = writeResultToSql(res, fp, dbName, tbName);
    }
2148

2149 2150
    taos_free_result(res);
    return totalRows;
2151 2152
}

2153
static int taosCheckParam(struct arguments *arguments) {
2154 2155 2156 2157
    if (g_args.all_databases && g_args.databases) {
        fprintf(stderr, "conflict option --all-databases and --databases\n");
        return -1;
    }
2158

2159 2160 2161 2162
    if (g_args.start_time > g_args.end_time) {
        fprintf(stderr, "start time is larger than end time\n");
        return -1;
    }
2163

2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178
    if (g_args.arg_list_len == 0) {
        if ((!g_args.all_databases) && (!g_args.isDumpIn)) {
            fprintf(stderr, "taosdump requires parameters\n");
            return -1;
        }
    }
    /*
       if (g_args.isDumpIn && (strcmp(g_args.outpath, DEFAULT_DUMP_FILE) != 0)) {
       fprintf(stderr, "duplicate parameter input and output file path\n");
       return -1;
       }
       */
    if (!g_args.isDumpIn && g_args.encode != NULL) {
        fprintf(stderr, "invalid option in dump out\n");
        return -1;
2179 2180
    }

2181 2182 2183 2184
    if (g_args.table_batch <= 0) {
        fprintf(stderr, "invalid option in dump out\n");
        return -1;
    }
2185

2186
    return 0;
2187 2188
}

2189 2190
/*
static bool isEmptyCommand(char *cmd) {
2191 2192 2193 2194 2195 2196 2197 2198 2199 2200
  char *pchar = cmd;

  while (*pchar != '\0') {
    if (*pchar != ' ') return false;
    pchar++;
  }

  return true;
}

2201 2202
static void taosReplaceCtrlChar(char *str) {
  bool ctrlOn = false;
2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243
  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';
}
2244
*/
2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267

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"};

2268
static int converStringToReadable(char *str, int size, char *buf, int bufsize) {
2269 2270 2271 2272 2273 2274 2275 2276 2277 2278
    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;
2279 2280
}

2281
static int convertNCharToReadable(char *str, int size, char *buf, int bufsize) {
2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300
    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) {
            errorPrint("%s() LN%d, mbtowc() return fail.\n", __func__, __LINE__);
            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;
2301 2302
    }

2303
    *pbuf = '\0';
2304

2305
    return 0;
2306 2307
}

2308
static void taosDumpCharset(FILE *fp) {
2309
    char charsetline[256];
2310

2311 2312 2313
    (void)fseek(fp, 0, SEEK_SET);
    sprintf(charsetline, "#!%s\n", tsCharset);
    (void)fwrite(charsetline, strlen(charsetline), 1, fp);
2314 2315
}

2316
static void taosLoadFileCharset(FILE *fp, char *fcharset) {
2317 2318
    char * line = NULL;
    size_t line_size = 0;
2319

2320 2321 2322 2323 2324
    (void)fseek(fp, 0, SEEK_SET);
    ssize_t size = getline(&line, &line_size, fp);
    if (size <= 2) {
        goto _exit_no_charset;
    }
2325

2326 2327 2328 2329 2330 2331 2332 2333
    if (strncmp(line, "#!", 2) != 0) {
        goto _exit_no_charset;
    }
    if (line[size - 1] == '\n') {
        line[size - 1] = '\0';
        size--;
    }
    strcpy(fcharset, line + 2);
2334

2335 2336
    tfree(line);
    return;
2337 2338

_exit_no_charset:
2339 2340 2341 2342
    (void)fseek(fp, 0, SEEK_SET);
    *fcharset = '\0';
    tfree(line);
    return;
2343 2344 2345 2346
}

// ========  dumpIn support multi threads functions ================================//

2347 2348 2349 2350 2351 2352 2353
static char    **g_tsDumpInSqlFiles   = NULL;
static int32_t   g_tsSqlFileNum = 0;
static char      g_tsDbSqlFile[MAX_FILE_NAME_LEN] = {0};
static char      g_tsCharset[64] = {0};

static int taosGetFilesNum(const char *directoryName,
        const char *prefix, const char *prefix2)
2354
{
2355
    char cmd[1024] = { 0 };
2356

2357 2358 2359 2360 2361
    if (prefix2)
        sprintf(cmd, "ls %s/*.%s %s/*.%s | wc -l ",
                directoryName, prefix, directoryName, prefix2);
    else
        sprintf(cmd, "ls %s/*.%s | wc -l ", directoryName, prefix);
2362

2363 2364 2365 2366 2367
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2368

2369 2370 2371 2372 2373 2374 2375 2376 2377 2378
    int fileNum = 0;
    if (fscanf(fp, "%d", &fileNum) != 1) {
        errorPrint("failed to execute:%s, parse result error\n", cmd);
        exit(-1);
    }

    if (fileNum <= 0) {
        errorPrint("directory:%s is empry\n", directoryName);
        exit(-1);
    }
2379

2380 2381
    pclose(fp);
    return fileNum;
2382 2383
}

2384 2385 2386
static void taosParseDirectory(const char *directoryName,
        const char *prefix, const char *prefix2,
        char **fileArray, int totalFiles)
2387
{
2388
    char cmd[1024] = { 0 };
2389

2390 2391 2392 2393 2394 2395
    if (prefix2) {
        sprintf(cmd, "ls %s/*.%s %s/*.%s | sort",
                directoryName, prefix, directoryName, prefix2);
    } else {
        sprintf(cmd, "ls %s/*.%s | sort", directoryName, prefix);
    }
2396

2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }

    int fileNum = 0;
    while (fscanf(fp, "%128s", fileArray[fileNum++])) {
        if (strcmp(fileArray[fileNum-1], g_tsDbSqlFile) == 0) {
            fileNum--;
        }
        if (fileNum >= totalFiles) {
            break;
        }
2411
    }
2412 2413 2414 2415 2416

    if (fileNum != totalFiles) {
        errorPrint("directory:%s changed while read\n", directoryName);
        pclose(fp);
        exit(-1);
2417 2418 2419 2420 2421
    }

    pclose(fp);
}

2422
static void taosCheckDatabasesSQLFile(const char *directoryName)
2423
{
2424 2425
    char cmd[1024] = { 0 };
    sprintf(cmd, "ls %s/dbs.sql", directoryName);
2426

2427 2428 2429 2430 2431
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2432

2433 2434 2435
    while (fscanf(fp, "%128s", g_tsDbSqlFile)) {
        break;
    }
2436

2437
    pclose(fp);
2438 2439
}

2440
static void taosMallocDumpFiles()
2441
{
2442 2443 2444 2445
    g_tsDumpInSqlFiles = (char**)calloc(g_tsSqlFileNum, sizeof(char*));
    for (int i = 0; i < g_tsSqlFileNum; i++) {
        g_tsDumpInSqlFiles[i] = calloc(1, MAX_FILE_NAME_LEN);
    }
2446 2447
}

2448
static void taosFreeDumpFiles()
2449
{
2450 2451 2452 2453
    for (int i = 0; i < g_tsSqlFileNum; i++) {
        tfree(g_tsDumpInSqlFiles[i]);
    }
    tfree(g_tsDumpInSqlFiles);
2454 2455 2456 2457
}

static void taosGetDirectoryFileList(char *inputDir)
{
2458 2459 2460 2461
    struct stat fileStat;
    if (stat(inputDir, &fileStat) < 0) {
        errorPrint("%s not exist\n", inputDir);
        exit(-1);
2462
    }
2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489

    if (fileStat.st_mode & S_IFDIR) {
        taosCheckDatabasesSQLFile(inputDir);
        if (g_args.avro)
            g_tsSqlFileNum = taosGetFilesNum(inputDir, "sql", "avro");
        else
            g_tsSqlFileNum += taosGetFilesNum(inputDir, "sql", NULL);

        int tsSqlFileNumOfTbls = g_tsSqlFileNum;
        if (g_tsDbSqlFile[0] != 0) {
            tsSqlFileNumOfTbls--;
        }
        taosMallocDumpFiles();
        if (0 != tsSqlFileNumOfTbls) {
            if (g_args.avro) {
                taosParseDirectory(inputDir, "sql", "avro",
                        g_tsDumpInSqlFiles, tsSqlFileNumOfTbls);
            } else {
                taosParseDirectory(inputDir, "sql", NULL,
                        g_tsDumpInSqlFiles, tsSqlFileNumOfTbls);
            }
        }
        fprintf(stdout, "\nstart to dispose %d files in %s\n",
                g_tsSqlFileNum, inputDir);
    } else {
        errorPrint("%s is not a directory\n", inputDir);
        exit(-1);
2490
    }
2491 2492
}

2493
static FILE* taosOpenDumpInFile(char *fptr) {
2494
    wordexp_t full_path;
2495

2496 2497 2498 2499
    if (wordexp(fptr, &full_path, 0) != 0) {
        errorPrint("illegal file name: %s\n", fptr);
        return NULL;
    }
2500

2501
    char *fname = full_path.we_wordv[0];
2502

2503 2504 2505 2506 2507 2508 2509 2510
    FILE *f = NULL;
    if ((fname) && (strlen(fname) > 0)) {
        f = fopen(fname, "r");
        if (f == NULL) {
            errorPrint("%s() LN%d, failed to open file %s\n",
                    __func__, __LINE__, fname);
        }
    }
2511

2512 2513
    wordfree(&full_path);
    return f;
2514 2515
}

2516 2517
static int taosDumpInOneFile(TAOS* taos, FILE* fp, char* fcharset,
        char* encode, char* fileName) {
2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529
    int       read_len = 0;
    char *    cmd      = NULL;
    size_t    cmd_len  = 0;
    char *    line     = NULL;
    size_t    line_len = 0;

    cmd  = (char *)malloc(TSDB_MAX_ALLOWED_SQL_LEN);
    if (cmd == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n",
                __func__, __LINE__);
        return -1;
    }
2530

2531 2532 2533 2534 2535 2536
    int lastRowsPrint = 5000000;
    int lineNo = 0;
    while ((read_len = getline(&line, &line_len, fp)) != -1) {
        ++lineNo;
        if (read_len >= TSDB_MAX_ALLOWED_SQL_LEN) continue;
        line[--read_len] = '\0';
2537

2538 2539 2540 2541
        //if (read_len == 0 || isCommentLine(line)) {  // line starts with #
        if (read_len == 0 ) {
            continue;
        }
2542

2543 2544 2545 2546 2547 2548
        if (line[read_len - 1] == '\\') {
            line[read_len - 1] = ' ';
            memcpy(cmd + cmd_len, line, read_len);
            cmd_len += read_len;
            continue;
        }
2549

2550 2551 2552 2553 2554 2555 2556
        memcpy(cmd + cmd_len, line, read_len);
        cmd[read_len + cmd_len]= '\0';
        if (queryDbImpl(taos, cmd)) {
            errorPrint("%s() LN%d, error sql: linenu:%d, file:%s\n",
                    __func__, __LINE__, lineNo, fileName);
            fprintf(g_fpOfResult, "error sql: linenu:%d, file:%s\n", lineNo, fileName);
        }
2557

2558 2559
        memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN);
        cmd_len = 0;
2560

2561 2562 2563 2564
        if (lineNo >= lastRowsPrint) {
            printf(" %d lines already be executed from file %s\n", lineNo, fileName);
            lastRowsPrint += 5000000;
        }
H
Hui Li 已提交
2565
    }
2566

2567 2568 2569 2570
    tfree(cmd);
    tfree(line);
    fclose(fp);
    return 0;
2571 2572
}

2573
static void* taosDumpInWorkThreadFp(void *arg)
2574
{
2575
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
2576 2577
    setThreadName("dumpInWorkThrd");

2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588
    for (int32_t f = 0; f < g_tsSqlFileNum; ++f) {
        if (f % pThread->totalThreads == pThread->threadIndex) {
            char *SQLFileName = g_tsDumpInSqlFiles[f];
            FILE* fp = taosOpenDumpInFile(SQLFileName);
            if (NULL == fp) {
                continue;
            }
            fprintf(stderr, ", Success Open input file: %s\n",
                    SQLFileName);
            taosDumpInOneFile(pThread->taosCon, fp, g_tsCharset, g_args.encode, SQLFileName);
        }
2589 2590
    }

2591
    return NULL;
2592 2593
}

2594
static void taosStartDumpInWorkThreads()
2595
{
2596 2597 2598
    pthread_attr_t  thattr;
    SThreadParaObj *pThread;
    int32_t         totalThreads = g_args.thread_num;
2599

2600 2601 2602
    if (totalThreads > g_tsSqlFileNum) {
        totalThreads = g_tsSqlFileNum;
    }
2603

2604 2605
    SThreadParaObj *threadObj = (SThreadParaObj *)calloc(
            totalThreads, sizeof(SThreadParaObj));
2606

2607 2608 2609
    if (NULL == threadObj) {
        errorPrint("%s() LN%d, memory allocation failed\n", __func__, __LINE__);
    }
2610

2611 2612 2613 2614 2615 2616 2617 2618
    for (int32_t t = 0; t < totalThreads; ++t) {
        pThread = threadObj + t;
        pThread->threadIndex = t;
        pThread->totalThreads = totalThreads;
        pThread->taosCon = taos_connect(g_args.host, g_args.user, g_args.password,
            NULL, g_args.port);
        if (pThread->taosCon == NULL) {
            errorPrint("Failed to connect to TDengine server %s\n", g_args.host);
2619
            free(threadObj);
2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630
            return;
        }
        pthread_attr_init(&thattr);
        pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);

        if (pthread_create(&(pThread->threadID), &thattr,
                    taosDumpInWorkThreadFp, (void*)pThread) != 0) {
            errorPrint("%s() LN%d, thread:%d failed to start\n",
                    __func__, __LINE__, pThread->threadIndex);
            exit(0);
        }
2631 2632
    }

2633 2634 2635
    for (int t = 0; t < totalThreads; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
2636

2637 2638 2639 2640
    for (int t = 0; t < totalThreads; ++t) {
        taos_close(threadObj[t].taosCon);
    }
    free(threadObj);
2641 2642
}

2643 2644
static int taosDumpIn() {
    assert(g_args.isDumpIn);
2645

2646 2647
    TAOS     *taos    = NULL;
    FILE     *fp      = NULL;
2648

2649 2650 2651 2652 2653 2654 2655 2656
    taos = taos_connect(
            g_args.host, g_args.user, g_args.password,
            NULL, g_args.port);
    if (taos == NULL) {
        errorPrint("%s() LN%d, failed to connect to TDengine server\n",
                __func__, __LINE__);
        return -1;
    }
2657

2658
    taosGetDirectoryFileList(g_args.inpath);
2659

2660 2661 2662
    int32_t  tsSqlFileNumOfTbls = g_tsSqlFileNum;
    if (g_tsDbSqlFile[0] != 0) {
        tsSqlFileNumOfTbls--;
2663

2664 2665 2666 2667 2668 2669 2670
        fp = taosOpenDumpInFile(g_tsDbSqlFile);
        if (NULL == fp) {
            errorPrint("%s() LN%d, failed to open input file %s\n",
                    __func__, __LINE__, g_tsDbSqlFile);
            return -1;
        }
        fprintf(stderr, "Success Open input file: %s\n", g_tsDbSqlFile);
2671

2672
        taosLoadFileCharset(fp, g_tsCharset);
2673

2674 2675 2676
        taosDumpInOneFile(taos, fp, g_tsCharset, g_args.encode,
                g_tsDbSqlFile);
    }
2677

2678
    taos_close(taos);
2679

2680 2681 2682 2683 2684 2685
    if (0 != tsSqlFileNumOfTbls) {
        taosStartDumpInWorkThreads();
    }

    taosFreeDumpFiles();
    return 0;
2686 2687
}