taosdump.c 87.3 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[];

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;
    char     precision[8];   // time resolution
    int8_t   update;
    char     status[16];
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} SDbInfo;

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

typedef struct {
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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);
            }
            strncpy(g_args.precision, tmp, strlen(tmp));
            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);
    }
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    argp_parse(&argp, argc, argv, 0, 0, &g_args);
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    if (g_args.abort) {
#ifndef _ALPINE
        error(10, 0, "ABORTED");
#else
        abort();
#endif
    }
626

627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645
    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);
646
        printf("precision: %s\n", g_args.precision);
647 648 649 650 651 652 653 654 655 656 657 658 659
        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]);
        }
660
    }
661
    printf("==============================\n");
662

663 664 665
    if (g_args.cversion[0] != 0){
        tstrncpy(version, g_args.cversion, 11);
    }
666

667 668 669
    if (taosCheckParam(&g_args) < 0) {
        exit(EXIT_FAILURE);
    }
670

671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
    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);
697
        fprintf(g_fpOfResult, "precision: %s\n", g_args.precision);
698 699 700 701 702 703 704 705 706 707 708 709
        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]);
        }
710 711
    }

712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743
    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);
        }
    }
744

745 746
    fprintf(g_fpOfResult, "\n");
    fclose(g_fpOfResult);
747

748
    return ret;
749 750
}

751
static void taosFreeDbInfos() {
752 753 754
    if (g_dbInfos == NULL) return;
    for (int i = 0; i < 128; i++) tfree(g_dbInfos[i]);
    tfree(g_dbInfos);
755 756 757
}

// check table is normal table or super table
758 759 760 761 762 763 764 765 766 767 768 769 770 771
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;
    }
772

773
    sprintf(tempCommand, "show tables like %s", table);
774

775 776
    result = taos_query(taosCon, tempCommand);
    int32_t code = taos_errno(result);
777

778 779 780 781 782 783 784
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
785

786 787 788 789 790 791 792 793 794 795 796 797 798
    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;
    }
799

800
    taos_free_result(result);
801
    result = NULL;
802

803 804 805 806
    if (isSet) {
        free(tempCommand);
        return 0;
    }
807

808
    sprintf(tempCommand, "show stables like %s", table);
809

810 811
    result = taos_query(taosCon, tempCommand);
    code = taos_errno(result);
812

813 814 815 816 817 818 819
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
820

821 822 823 824 825 826 827
    while ((row = taos_fetch_row(result)) != NULL) {
        isSet = true;
        pTableRecordInfo->isMetric = true;
        tstrncpy(pTableRecordInfo->tableRecord.metric, table,
                TSDB_TABLE_NAME_LEN);
        break;
    }
828

829
    taos_free_result(result);
830
    result = NULL;
831

832 833 834 835 836 837
    if (isSet) {
        free(tempCommand);
        return 0;
    }
    errorPrint("%s() LN%d, invalid table/metric %s\n",
            __func__, __LINE__, table);
838
    free(tempCommand);
839
    return -1;
840 841 842
}


843 844
static int32_t taosSaveAllNormalTableToTempFile(TAOS *taosCon, char*meter,
        char* metric, int* fd) {
845 846 847 848 849 850 851 852 853 854
    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;
        }
855
    }
856

857 858 859
    memset(&tableRecord, 0, sizeof(STableRecord));
    tstrncpy(tableRecord.name, meter, TSDB_TABLE_NAME_LEN);
    tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
860

861 862
    taosWrite(*fd, &tableRecord, sizeof(STableRecord));
    return 0;
863 864
}

865 866 867 868 869 870
static int32_t taosSaveTableOfMetricToTempFile(
        TAOS *taosCon, char* metric,
        int32_t*  totalNumOfThread) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
871

872 873 874 875 876
    char* tmpCommand = (char *)malloc(COMMAND_SIZE);
    if (tmpCommand == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        return -1;
    }
877

878
    sprintf(tmpCommand, "select tbname from %s", metric);
879

880 881 882 883 884 885 886 887 888
    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;
    }
889 890
    free(tmpCommand);

891 892 893 894 895 896 897 898 899 900 901 902
    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);
903

904 905
    int32_t  numOfTable  = 0;
    while ((row = taos_fetch_row(res)) != NULL) {
H
Hui Li 已提交
906

907 908 909
        memset(&tableRecord, 0, sizeof(STableRecord));
        tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes);
        tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
910

911 912
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
        numOfTable++;
913
    }
914 915
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
916

917 918 919 920 921 922 923 924 925 926 927
    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;
        }
    }
928

929 930 931 932 933 934
    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;
935
    }
H
Hui Li 已提交
936

937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964
    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
965 966
    }

967 968
    sprintf(tmpBuf, ".select-tbname.tmp");
    (void)remove(tmpBuf);
969

970 971 972 973
    if (fd >= 0) {
        close(fd);
        fd = -1;
    }
974

975
    *totalNumOfThread = numOfThread;
976

977 978
    free(tblBuf);
    return 0;
979 980
}

981 982 983 984
static int taosDumpOut() {
    TAOS     *taos       = NULL;
    TAOS_RES *result     = NULL;
    char     *command    = NULL;
985

986 987 988 989
    TAOS_ROW row;
    FILE *fp = NULL;
    int32_t count = 0;
    STableRecordInfo tableRecordInfo;
990

991 992 993 994 995 996
    char tmpBuf[4096] = {0};
    if (g_args.outpath[0] != 0) {
        sprintf(tmpBuf, "%s/dbs.sql", g_args.outpath);
    } else {
        sprintf(tmpBuf, "dbs.sql");
    }
997

998 999 1000 1001 1002 1003
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        return -1;
    }
1004

1005 1006 1007 1008 1009 1010
    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;
    }
1011

1012 1013 1014 1015 1016
    command = (char *)malloc(COMMAND_SIZE);
    if (command == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        goto _exit_failure;
    }
1017

1018 1019 1020 1021 1022 1023 1024
    /* 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;
    }
1025

1026 1027 1028 1029
    /* --------------------------------- Main Code -------------------------------- */
    /* if (g_args.databases || g_args.all_databases) { // dump part of databases or all databases */
    /*  */
    taosDumpCharset(fp);
1030

1031 1032 1033
    sprintf(command, "show databases");
    result = taos_query(taos, command);
    int32_t code = taos_errno(result);
1034

1035 1036 1037 1038 1039 1040 1041
    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);
1042

1043 1044 1045
    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",
1046
                        fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0)
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066
                && (!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;
        }
1067

1068
_dump_db_point:
1069

1070 1071 1072 1073 1074 1075
        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;
        }
1076

1077 1078 1079 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
        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++;
1106

1107 1108
        if (g_args.databases) {
            if (count > g_args.arg_list_len) break;
1109

1110 1111 1112
        } else if (!g_args.all_databases) {
            if (count >= 1) break;
        }
1113
    }
1114

1115 1116
    if (count == 0) {
        errorPrint("%d databases valid to dump\n", count);
1117
        goto _exit_failure;
1118
    }
1119

1120 1121 1122
    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);
1123
        }
1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139
    } 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;
1140
            }
1141

1142 1143 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
            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;
                }
            }
1187

1188 1189 1190 1191
            // TODO: save dump super table <superTblCnt> into result_output.txt
            fprintf(g_fpOfResult, "# super table counter:               %d\n",
                    superTblCnt);
            g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1192

1193 1194 1195
            if (-1 != normalTblFd){
                taosClose(normalTblFd);
            }
1196

1197 1198 1199
            // start multi threads to dumpout
            taosStartDumpOutWorkThreads(totalNumOfThread,
                    g_dbInfos[0]->name);
1200

1201 1202 1203 1204 1205 1206 1207
            char tmpFileName[MAX_FILE_NAME_LEN];
_clean_tmp_file:
            for (int loopCnt = 0; loopCnt < totalNumOfThread; loopCnt++) {
                sprintf(tmpFileName, ".tables.tmp.%d", loopCnt);
                remove(tmpFileName);
            }
        }
1208 1209
    }

1210 1211 1212 1213 1214 1215 1216 1217
    /* 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;
1218 1219

_exit_failure:
1220 1221 1222 1223 1224 1225 1226
    fclose(fp);
    taos_close(taos);
    taos_free_result(result);
    tfree(command);
    taosFreeDbInfos();
    errorPrint("dump out rows: %" PRId64 "\n", g_totalDumpOutRows);
    return -1;
1227 1228
}

1229
static int taosGetTableDes(
1230 1231
        char* dbName, char *table,
        STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1232 1233 1234
    TAOS_ROW row = NULL;
    TAOS_RES* res = NULL;
    int count = 0;
1235

1236 1237
    char sqlstr[COMMAND_SIZE];
    sprintf(sqlstr, "describe %s.%s;", dbName, table);
1238

1239 1240 1241 1242 1243 1244 1245 1246
    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;
    }
1247

1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265
    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++;
    }
1266

1267 1268
    taos_free_result(res);
    res = NULL;
1269

1270 1271 1272
    if (isSuperTable) {
        return count;
    }
1273

1274 1275 1276
    // 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;
1277

1278

1279 1280
        sprintf(sqlstr, "select %s from %s.%s",
                tableDes->cols[i].field, dbName, table);
1281

1282 1283 1284 1285 1286 1287 1288 1289
        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;
        }
1290

1291
        fields = taos_fetch_fields(res);
1292

1293 1294 1295 1296 1297 1298 1299
        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;
        }
1300

1301 1302 1303 1304 1305 1306
        if (row[0] == NULL) {
            sprintf(tableDes->cols[i].note, "%s", "NULL");
            taos_free_result(res);
            res = NULL;
            continue;
        }
1307

1308 1309 1310 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
        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;
1369
        }
1370 1371 1372

        taos_free_result(res);
        res = NULL;
1373
    }
1374

1375 1376
    return count;
}
1377

1378 1379 1380 1381 1382
static int convertSchemaToAvroSchema(STableDef *tableDes, char **avroSchema)
{
    errorPrint("%s() LN%d TODO: covert table schema to avro schema\n",
            __func__, __LINE__);
    return 0;
1383 1384
}

1385
static int32_t taosDumpTable(
1386
        char *table, char *metric,
1387
        FILE *fp, TAOS* taosCon, char* dbName) {
1388
    int count = 0;
1389

1390 1391
    STableDef *tableDes = (STableDef *)calloc(1, sizeof(STableDef)
            + sizeof(SColDes) * TSDB_MAX_COLUMNS);
1392

1393 1394 1395
    if (metric != NULL && metric[0] != '\0') {  // dump table schema which is created by using super table
        /*
           count = taosGetTableDes(metric, tableDes, taosCon);
1396

1397 1398 1399 1400
           if (count < 0) {
           free(tableDes);
           return -1;
           }
1401

1402
           taosDumpCreateTableClause(tableDes, count, fp);
1403

1404 1405
           memset(tableDes, 0, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS);
           */
1406

1407
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1408

1409 1410 1411 1412
        if (count < 0) {
            free(tableDes);
            return -1;
        }
1413

1414 1415
        // create child-table using super-table
        taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1416

1417 1418
    } else {  // dump table definition
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1419

1420 1421 1422 1423 1424 1425 1426
        if (count < 0) {
            free(tableDes);
            return -1;
        }

        // create normal-table or super-table
        taosDumpCreateTableClause(tableDes, count, fp, dbName);
1427 1428
    }

1429 1430 1431 1432 1433 1434
    char *jsonAvroSchema = NULL;
    if (g_args.avro) {
        convertSchemaToAvroSchema(tableDes, &jsonAvroSchema);
    }

    free(tableDes);
1435

1436 1437 1438 1439 1440
    int32_t ret = 0;
    if (!g_args.schemaonly) {
        ret = taosDumpTableData(fp, table, taosCon, dbName,
            jsonAvroSchema);
    }
1441

1442
    return ret;
1443 1444
}

1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461
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);
    }
1462

1463 1464
    pstr += sprintf(pstr, ";");
    fprintf(fp, "%s\n\n", sqlstr);
1465 1466
}

1467
static void* taosDumpOutWorkThreadFp(void *arg)
1468
{
1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
    STableRecord    tableRecord;
    int fd;

    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;
    }
1481

1482 1483
    FILE *fp = NULL;
    memset(tmpBuf, 0, 4096);
1484

1485 1486 1487 1488 1489 1490 1491
    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);
    }
1492

1493 1494 1495 1496 1497 1498 1499
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        close(fd);
        return NULL;
    }
1500

1501 1502
    memset(tmpBuf, 0, 4096);
    sprintf(tmpBuf, "use %s", pThread->dbName);
H
Hui Li 已提交
1503

1504 1505 1506 1507 1508 1509
    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
1510
        fclose(fp);
1511 1512 1513
        close(fd);
        return NULL;
    }
1514

1515 1516 1517 1518 1519 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
#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
1566
        }
1567
    }
1568

1569 1570 1571
    taos_free_result(tmpResult);
    close(fd);
    fclose(fp);
1572

1573
    return NULL;
1574 1575
}

1576
static void taosStartDumpOutWorkThreads(int32_t  numOfThread, char *dbName)
1577
{
1578 1579 1580 1581 1582 1583 1584 1585
    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;
1586 1587
    }

1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
    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);
            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);
        }
    }
1612

1613 1614 1615
    for (int32_t t = 0; t < numOfThread; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
1616

1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631
    // 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);
1632 1633
}

1634 1635
static int32_t taosDumpStable(char *table, FILE *fp,
        TAOS* taosCon, char* dbName) {
1636

1637 1638 1639 1640 1641 1642 1643
    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);
    }
1644

1645
    int count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1646

1647 1648 1649 1650 1651 1652
    if (count < 0) {
        free(tableDes);
        errorPrint("%s() LN%d, failed to get stable[%s] schema\n",
               __func__, __LINE__, table);
        exit(-1);
    }
1653

1654
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1655 1656

    free(tableDes);
1657
    return 0;
1658 1659
}

1660
static int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp)
1661
{
1662 1663 1664 1665
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1666

1667
    sprintf(sqlstr, "show %s.stables", dbName);
1668

1669 1670 1671 1672 1673 1674 1675 1676
    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);
    }
1677

1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690
    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);
    }
1691

1692 1693 1694 1695 1696 1697
    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));
    }
1698

1699 1700
    taos_free_result(res);
    (void)lseek(fd, 0, SEEK_SET);
1701

1702 1703 1704 1705
    int superTblCnt = 0;
    while (1) {
        ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
        if (readLen <= 0) break;
1706

1707 1708 1709 1710
        int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
        if (0 == ret) {
            superTblCnt++;
        }
1711
    }
1712

1713 1714 1715
    // TODO: save dump super table <superTblCnt> into result_output.txt
    fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
    g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1716

1717 1718
    close(fd);
    (void)remove(".stables.tmp");
1719

1720
    return 0;
1721 1722 1723
}


1724 1725 1726 1727
static int taosDumpDb(SDbInfo *dbInfo, FILE *fp, TAOS *taosCon) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
1728

1729
    taosDumpCreateDbClause(dbInfo, g_args.with_property, fp);
1730

1731 1732 1733
    fprintf(g_fpOfResult, "\n#### database:                       %s\n",
            dbInfo->name);
    g_resultStatistics.totalDatabasesOfDumpOut++;
1734

1735
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1736

1737
    fprintf(fp, "USE %s;\n\n", dbInfo->name);
1738

1739
    (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp);
1740

1741
    sprintf(sqlstr, "show %s.tables", dbInfo->name);
1742

1743 1744 1745 1746 1747 1748 1749 1750
    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;
    }
1751

1752 1753 1754 1755 1756 1757 1758 1759 1760 1761
    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;
    }
1762

1763
    TAOS_FIELD *fields = taos_fetch_fields(res);
1764

1765 1766 1767 1768 1769 1770 1771
    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
1772

1773
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
1774

1775
        numOfTable++;
1776
    }
1777 1778
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
H
Hui Li 已提交
1779

1780 1781 1782 1783 1784 1785 1786 1787 1788 1789
    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
1790
    }
1791

1792 1793 1794 1795 1796 1797 1798
    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
1799

1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818
    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;
        }
1819

1820 1821 1822 1823 1824 1825 1826 1827 1828
        // 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);
    }
1829

1830
    sprintf(tmpBuf, ".show-tables.tmp");
H
Hui Li 已提交
1831
    (void)remove(tmpBuf);
1832

1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846
    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;
1847 1848
}

1849 1850
static void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols,
        FILE *fp, char* dbName) {
1851 1852
  int counter = 0;
  int count_temp = 0;
1853
  char sqlstr[COMMAND_SIZE];
1854

1855
  char* pstr = sqlstr;
1856

1857 1858
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s",
          dbName, tableDes->name);
1859 1860 1861 1862 1863

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

    if (counter == 0) {
1864 1865
      pstr += sprintf(pstr, " (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1866
    } else {
1867 1868
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880
    }

    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) {
1881 1882
      pstr += sprintf(pstr, ") TAGS (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1883
    } else {
1884 1885
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895
    }

    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, ");");

1896
  fprintf(fp, "%s\n\n", sqlstr);
1897 1898
}

1899 1900
static void taosDumpCreateMTableClause(STableDef *tableDes, char *metric,
        int numOfCols, FILE *fp, char* dbName) {
1901 1902 1903 1904 1905 1906 1907 1908 1909
    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;
    }
1910

1911 1912
    char *pstr = NULL;
    pstr = tmpBuf;
1913

1914 1915 1916
    pstr += sprintf(tmpBuf,
            "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (",
            dbName, tableDes->name, dbName, metric);
1917

1918 1919 1920
    for (; counter < numOfCols; counter++) {
        if (tableDes->cols[counter].note[0] != '\0') break;
    }
1921

1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943
    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); */
        }
1944

1945 1946 1947 1948
        /* if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar")
         * == 0) { */
        /*     pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); */
        /* } */
1949 1950
    }

1951
    pstr += sprintf(pstr, ");");
1952

1953 1954
    fprintf(fp, "%s\n", tmpBuf);
    free(tmpBuf);
1955 1956
}

1957 1958 1959 1960 1961 1962
static int writeSchemaToAvro(char *jsonAvroSchema)
{
    errorPrint("%s() LN%d, TODO: implement write schema to avro",
            __func__, __LINE__);
    return 0;
}
1963

1964 1965 1966
static int64_t writeResultToAvro(TAOS_RES *res)
{
    errorPrint("%s() LN%d, TODO: implementation need\n", __func__, __LINE__);
1967
    return 0;
1968
}
1969

1970 1971 1972
static int64_t writeResultToSql(TAOS_RES *res, FILE *fp, char *dbName, char *tbName)
{
    int64_t    totalRows     = 0;
1973

1974 1975 1976 1977 1978 1979
    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;
    }
1980

1981
    char *pstr = tmpBuffer;
1982

1983 1984 1985 1986 1987
    TAOS_ROW row = NULL;
    int numFields = 0;
    int rowFlag = 0;
    int64_t    lastRowsPrint = 5000000;
    int count = 0;
1988

1989 1990 1991
    numFields = taos_field_count(res);
    assert(numFields > 0);
    TAOS_FIELD *fields = taos_fetch_fields(res);
1992

1993 1994
    int32_t  curr_sqlstr_len = 0;
    int32_t  total_sqlstr_len = 0;
1995

1996 1997
    while ((row = taos_fetch_row(res)) != NULL) {
        curr_sqlstr_len = 0;
1998

1999 2000 2001 2002 2003 2004
        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);
2005
        } else {
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
            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, "(");
            }
2016 2017
        }

2018 2019
        for (int col = 0; col < numFields; col++) {
            if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
2020

2021 2022 2023 2024
            if (row[col] == NULL) {
                curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
                continue;
            }
2025

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083
            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;
            }
2084
        }
2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103

        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;
2104
        }
2105 2106
    }

2107
    debugPrint("total_sqlstr_len: %d\n", total_sqlstr_len);
2108

2109 2110 2111
    fprintf(fp, "\n");
    atomic_add_fetch_64(&g_totalDumpOutRows, totalRows);
    free(tmpBuffer);
2112

2113 2114
    return 0;
}
2115

2116 2117 2118 2119
static int taosDumpTableData(FILE *fp, char *tbName,
        TAOS* taosCon, char* dbName,
        char *jsonAvroSchema) {
    int64_t    totalRows     = 0;
2120

2121 2122 2123 2124
    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);
2125

2126 2127 2128 2129 2130 2131 2132 2133
    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;
    }
2134

2135 2136 2137 2138 2139 2140
    if (g_args.avro) {
        writeSchemaToAvro(jsonAvroSchema);
        totalRows = writeResultToAvro(res);
    } else {
        totalRows = writeResultToSql(res, fp, dbName, tbName);
    }
2141

2142 2143
    taos_free_result(res);
    return totalRows;
2144 2145
}

2146
static int taosCheckParam(struct arguments *arguments) {
2147 2148 2149 2150
    if (g_args.all_databases && g_args.databases) {
        fprintf(stderr, "conflict option --all-databases and --databases\n");
        return -1;
    }
2151

2152 2153 2154 2155
    if (g_args.start_time > g_args.end_time) {
        fprintf(stderr, "start time is larger than end time\n");
        return -1;
    }
2156

2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171
    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;
2172 2173
    }

2174 2175 2176 2177
    if (g_args.table_batch <= 0) {
        fprintf(stderr, "invalid option in dump out\n");
        return -1;
    }
2178

2179
    return 0;
2180 2181
}

2182 2183
/*
static bool isEmptyCommand(char *cmd) {
2184 2185 2186 2187 2188 2189 2190 2191 2192 2193
  char *pchar = cmd;

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

  return true;
}

2194 2195
static void taosReplaceCtrlChar(char *str) {
  bool ctrlOn = false;
2196 2197 2198 2199 2200 2201 2202 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
  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';
}
2237
*/
2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260

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"};

2261
static int converStringToReadable(char *str, int size, char *buf, int bufsize) {
2262 2263 2264 2265 2266 2267 2268 2269 2270 2271
    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;
2272 2273
}

2274
static int convertNCharToReadable(char *str, int size, char *buf, int bufsize) {
2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293
    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;
2294 2295
    }

2296
    *pbuf = '\0';
2297

2298
    return 0;
2299 2300
}

2301
static void taosDumpCharset(FILE *fp) {
2302
    char charsetline[256];
2303

2304 2305 2306
    (void)fseek(fp, 0, SEEK_SET);
    sprintf(charsetline, "#!%s\n", tsCharset);
    (void)fwrite(charsetline, strlen(charsetline), 1, fp);
2307 2308
}

2309
static void taosLoadFileCharset(FILE *fp, char *fcharset) {
2310 2311
    char * line = NULL;
    size_t line_size = 0;
2312

2313 2314 2315 2316 2317
    (void)fseek(fp, 0, SEEK_SET);
    ssize_t size = getline(&line, &line_size, fp);
    if (size <= 2) {
        goto _exit_no_charset;
    }
2318

2319 2320 2321 2322 2323 2324 2325 2326
    if (strncmp(line, "#!", 2) != 0) {
        goto _exit_no_charset;
    }
    if (line[size - 1] == '\n') {
        line[size - 1] = '\0';
        size--;
    }
    strcpy(fcharset, line + 2);
2327

2328 2329
    tfree(line);
    return;
2330 2331

_exit_no_charset:
2332 2333 2334 2335
    (void)fseek(fp, 0, SEEK_SET);
    *fcharset = '\0';
    tfree(line);
    return;
2336 2337 2338 2339
}

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

2340 2341 2342 2343 2344 2345 2346
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)
2347
{
2348
    char cmd[1024] = { 0 };
2349

2350 2351 2352 2353 2354
    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);
2355

2356 2357 2358 2359 2360
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2361

2362 2363 2364 2365 2366 2367 2368 2369 2370 2371
    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);
    }
2372

2373 2374
    pclose(fp);
    return fileNum;
2375 2376
}

2377 2378 2379
static void taosParseDirectory(const char *directoryName,
        const char *prefix, const char *prefix2,
        char **fileArray, int totalFiles)
2380
{
2381
    char cmd[1024] = { 0 };
2382

2383 2384 2385 2386 2387 2388
    if (prefix2) {
        sprintf(cmd, "ls %s/*.%s %s/*.%s | sort",
                directoryName, prefix, directoryName, prefix2);
    } else {
        sprintf(cmd, "ls %s/*.%s | sort", directoryName, prefix);
    }
2389

2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403
    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;
        }
2404
    }
2405 2406 2407 2408 2409

    if (fileNum != totalFiles) {
        errorPrint("directory:%s changed while read\n", directoryName);
        pclose(fp);
        exit(-1);
2410 2411 2412 2413 2414
    }

    pclose(fp);
}

2415
static void taosCheckDatabasesSQLFile(const char *directoryName)
2416
{
2417 2418
    char cmd[1024] = { 0 };
    sprintf(cmd, "ls %s/dbs.sql", directoryName);
2419

2420 2421 2422 2423 2424
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2425

2426 2427 2428
    while (fscanf(fp, "%128s", g_tsDbSqlFile)) {
        break;
    }
2429

2430
    pclose(fp);
2431 2432
}

2433
static void taosMallocDumpFiles()
2434
{
2435 2436 2437 2438
    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);
    }
2439 2440
}

2441
static void taosFreeDumpFiles()
2442
{
2443 2444 2445 2446
    for (int i = 0; i < g_tsSqlFileNum; i++) {
        tfree(g_tsDumpInSqlFiles[i]);
    }
    tfree(g_tsDumpInSqlFiles);
2447 2448 2449 2450
}

static void taosGetDirectoryFileList(char *inputDir)
{
2451 2452 2453 2454
    struct stat fileStat;
    if (stat(inputDir, &fileStat) < 0) {
        errorPrint("%s not exist\n", inputDir);
        exit(-1);
2455
    }
2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482

    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);
2483
    }
2484 2485
}

2486
static FILE* taosOpenDumpInFile(char *fptr) {
2487
    wordexp_t full_path;
2488

2489 2490 2491 2492
    if (wordexp(fptr, &full_path, 0) != 0) {
        errorPrint("illegal file name: %s\n", fptr);
        return NULL;
    }
2493

2494
    char *fname = full_path.we_wordv[0];
2495

2496 2497 2498 2499 2500 2501 2502 2503
    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);
        }
    }
2504

2505 2506
    wordfree(&full_path);
    return f;
2507 2508
}

2509 2510
static int taosDumpInOneFile(TAOS* taos, FILE* fp, char* fcharset,
        char* encode, char* fileName) {
2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522
    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;
    }
2523

2524 2525 2526 2527 2528 2529
    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';
2530

2531 2532 2533 2534
        //if (read_len == 0 || isCommentLine(line)) {  // line starts with #
        if (read_len == 0 ) {
            continue;
        }
2535

2536 2537 2538 2539 2540 2541
        if (line[read_len - 1] == '\\') {
            line[read_len - 1] = ' ';
            memcpy(cmd + cmd_len, line, read_len);
            cmd_len += read_len;
            continue;
        }
2542

2543 2544 2545 2546 2547 2548 2549
        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);
        }
2550

2551 2552
        memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN);
        cmd_len = 0;
2553

2554 2555 2556 2557
        if (lineNo >= lastRowsPrint) {
            printf(" %d lines already be executed from file %s\n", lineNo, fileName);
            lastRowsPrint += 5000000;
        }
H
Hui Li 已提交
2558
    }
2559

2560 2561 2562 2563
    tfree(cmd);
    tfree(line);
    fclose(fp);
    return 0;
2564 2565
}

2566
static void* taosDumpInWorkThreadFp(void *arg)
2567
{
2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
    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);
        }
2580 2581
    }

2582
    return NULL;
2583 2584
}

2585
static void taosStartDumpInWorkThreads()
2586
{
2587 2588 2589
    pthread_attr_t  thattr;
    SThreadParaObj *pThread;
    int32_t         totalThreads = g_args.thread_num;
2590

2591 2592 2593
    if (totalThreads > g_tsSqlFileNum) {
        totalThreads = g_tsSqlFileNum;
    }
2594

2595 2596
    SThreadParaObj *threadObj = (SThreadParaObj *)calloc(
            totalThreads, sizeof(SThreadParaObj));
2597

2598 2599 2600
    if (NULL == threadObj) {
        errorPrint("%s() LN%d, memory allocation failed\n", __func__, __LINE__);
    }
2601

2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620
    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);
            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);
        }
2621 2622
    }

2623 2624 2625
    for (int t = 0; t < totalThreads; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
2626

2627 2628 2629 2630
    for (int t = 0; t < totalThreads; ++t) {
        taos_close(threadObj[t].taosCon);
    }
    free(threadObj);
2631 2632
}

2633 2634
static int taosDumpIn() {
    assert(g_args.isDumpIn);
2635

2636 2637
    TAOS     *taos    = NULL;
    FILE     *fp      = NULL;
2638

2639 2640 2641 2642 2643 2644 2645 2646
    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;
    }
2647

2648
    taosGetDirectoryFileList(g_args.inpath);
2649

2650 2651 2652
    int32_t  tsSqlFileNumOfTbls = g_tsSqlFileNum;
    if (g_tsDbSqlFile[0] != 0) {
        tsSqlFileNumOfTbls--;
2653

2654 2655 2656 2657 2658 2659 2660
        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);
2661

2662
        taosLoadFileCharset(fp, g_tsCharset);
2663

2664 2665 2666
        taosDumpInOneFile(taos, fp, g_tsCharset, g_args.encode,
                g_tsDbSqlFile);
    }
2667

2668
    taos_close(taos);
2669

2670 2671 2672 2673 2674 2675
    if (0 != tsSqlFileNumOfTbls) {
        taosStartDumpInWorkThreads();
    }

    taosFreeDumpFiles();
    return 0;
2676 2677
}