taosdump.c 87.6 KB
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/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

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

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#include "os.h"
#include "taos.h"
#include "taosdef.h"
#include "taosmsg.h"
#include "tglobal.h"
#include "tsclient.h"
#include "tsdb.h"
#include "tutil.h"
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#include <taos.h>
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#define TSDB_SUPPORT_NANOSECOND 1

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#define MAX_FILE_NAME_LEN       256             // max file name length on linux is 255
#define COMMAND_SIZE            65536
#define MAX_RECORDS_PER_REQ     32766
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//#define DEFAULT_DUMP_FILE "taosdump.sql"

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

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static int  converStringToReadable(char *str, int size, char *buf, int bufsize);
static int  convertNCharToReadable(char *str, int size, char *buf, int bufsize);
static void taosDumpCharset(FILE *fp);
static void taosLoadFileCharset(FILE *fp, char *fcharset);
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typedef struct {
  short bytes;
  int8_t type;
} SOColInfo;

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

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

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

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


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// -------------------------- SHOW DATABASE INTERFACE-----------------------
enum _show_db_index {
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    TSDB_SHOW_DB_NAME_INDEX,
    TSDB_SHOW_DB_CREATED_TIME_INDEX,
    TSDB_SHOW_DB_NTABLES_INDEX,
    TSDB_SHOW_DB_VGROUPS_INDEX,
    TSDB_SHOW_DB_REPLICA_INDEX,
    TSDB_SHOW_DB_QUORUM_INDEX,
    TSDB_SHOW_DB_DAYS_INDEX,
    TSDB_SHOW_DB_KEEP_INDEX,
    TSDB_SHOW_DB_CACHE_INDEX,
    TSDB_SHOW_DB_BLOCKS_INDEX,
    TSDB_SHOW_DB_MINROWS_INDEX,
    TSDB_SHOW_DB_MAXROWS_INDEX,
    TSDB_SHOW_DB_WALLEVEL_INDEX,
    TSDB_SHOW_DB_FSYNC_INDEX,
    TSDB_SHOW_DB_COMP_INDEX,
    TSDB_SHOW_DB_CACHELAST_INDEX,
    TSDB_SHOW_DB_PRECISION_INDEX,
    TSDB_SHOW_DB_UPDATE_INDEX,
    TSDB_SHOW_DB_STATUS_INDEX,
    TSDB_MAX_SHOW_DB
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};

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

// ---------------------------------- DESCRIBE METRIC CONFIGURE ------------------------------
enum _describe_table_index {
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    TSDB_DESCRIBE_METRIC_FIELD_INDEX,
    TSDB_DESCRIBE_METRIC_TYPE_INDEX,
    TSDB_DESCRIBE_METRIC_LENGTH_INDEX,
    TSDB_DESCRIBE_METRIC_NOTE_INDEX,
    TSDB_MAX_DESCRIBE_METRIC
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};

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#define COL_NOTE_LEN    128

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

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

extern char version[];

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#define DB_PRECISION_LEN   8
#define DB_STATUS_LEN      16

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

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

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

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

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

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static int64_t g_totalDumpOutRows = 0;
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SDbInfo **g_dbInfos = NULL;
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const char *argp_program_version = version;
const char *argp_program_bug_address = "<support@taosdata.com>";

/* Program documentation. */
static char doc[] = "";
/* "Argp example #4 -- a program with somewhat more complicated\ */
/*         options\ */
/*         \vThis part of the documentation comes *after* the options;\ */
/*         note that the text is automatically filled, but it's possible\ */
/*         to force a line-break, e.g.\n<-- here."; */

/* A description of the arguments we accept. */
static char args_doc[] = "dbname [tbname ...]\n--databases dbname ...\n--all-databases\n-i inpath\n-o outpath";

/* Keys for options without short-options. */
#define OPT_ABORT 1 /* –abort */

/* The options we understand. */
static struct argp_option options[] = {
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    // connection option
    {"host", 'h', "HOST",    0,  "Server host dumping data from. Default is localhost.", 0},
    {"user", 'u', "USER",    0,  "User name used to connect to server. Default is root.", 0},
#ifdef _TD_POWER_
    {"password", 'p', "PASSWORD",    0,  "User password to connect to server. Default is powerdb.", 0},
#else
    {"password", 'p', "PASSWORD",    0,  "User password to connect to server. Default is taosdata.", 0},
#endif
    {"port", 'P', "PORT",        0,  "Port to connect", 0},
    {"cversion",      'v', "CVERION",     0,  "client version", 0},
    {"mysqlFlag",     'q', "MYSQLFLAG",   0,  "mysqlFlag, Default is 0", 0},
    // input/output file
    {"outpath", 'o', "OUTPATH",     0,  "Output file path.", 1},
    {"inpath", 'i', "INPATH",      0,  "Input file path.", 1},
    {"resultFile", 'r', "RESULTFILE",  0,  "DumpOut/In Result file path and name.", 1},
#ifdef _TD_POWER_
    {"config", 'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/power/taos.cfg.", 1},
#else
    {"config", 'c', "CONFIG_DIR",  0,  "Configure directory. Default is /etc/taos/taos.cfg.", 1},
#endif
    {"encode", 'e', "ENCODE", 0,  "Input file encoding.", 1},
    // dump unit options
    {"all-databases", 'A', 0, 0,  "Dump all databases.", 2},
    {"databases", 'D', 0, 0,  "Dump assigned databases", 2},
    {"allow-sys",   'a', 0, 0,  "Allow to dump sys database", 2},
    // dump format options
    {"schemaonly", 's', 0, 0,  "Only dump schema.", 2},
    {"without-property", 'N', 0, 0,  "Dump schema without properties.", 2},
    {"avro", 'V', 0, 0,  "Dump apache avro format data file. By default, dump sql command sequence.", 2},
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    {"start-time",    'S', "START_TIME",  0,  "Start time to dump. Either epoch or ISO8601/RFC3339 format is acceptable. ISO8601 format example: 2017-10-01T18:00:00.000+0800 or 2017-10-0100:00:00.000+0800 or '2017-10-01 00:00:00.000+0800'",  4},
    {"end-time",      'E', "END_TIME",    0,  "End time to dump. Either epoch or ISO8601/RFC3339 format is acceptable. ISO8601 format example: 2017-10-01T18:00:00.000+0800 or 2017-10-0100:00:00.000+0800 or '2017-10-01 00:00:00.000+0800'",  5},
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#if TSDB_SUPPORT_NANOSECOND == 1
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    {"precision",  'C', "PRECISION",  0,  "Epoch precision. Valid value is one of ms, us, and ns. Default is ms.", 6},
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#else
    {"precision",  'C', "PRECISION",  0,  "Epoch precision. Valid value is one of ms and us. Default is ms.", 6},
#endif
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    {"data-batch",  'B', "DATA_BATCH",  0,  "Number of data point per insert statement. Max value is 32766. Default is 1.", 3},
    {"max-sql-len", 'L', "SQL_LEN",     0,  "Max length of one sql. Default is 65480.",   3},
    {"table-batch", 't', "TABLE_BATCH", 0,  "Number of table dumpout into one output file. Default is 1.",  3},
    {"thread_num",  'T', "THREAD_NUM",  0,  "Number of thread for dump in file. Default is 5.", 3},
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    {"debug",   'g', 0, 0,  "Print debug info.",    8},
    {"verbose", 'b', 0, 0,  "Print verbose debug info.", 9},
    {"performanceprint", 'm', 0, 0,  "Print performance debug info.", 10},
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    {0}
};
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/* Used by main to communicate with parse_opt. */
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typedef struct arguments {
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    // connection option
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    char    *host;
    char    *user;
    char    *password;
    uint16_t port;
    char     cversion[12];
    uint16_t mysqlFlag;
    // output file
    char     outpath[MAX_FILE_NAME_LEN];
    char     inpath[MAX_FILE_NAME_LEN];
    // result file
    char    *resultFile;
    char    *encode;
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    // dump unit option
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    bool     all_databases;
    bool     databases;
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    // dump format option
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    bool     schemaonly;
    bool     with_property;
    bool     avro;
    int64_t  start_time;
    int64_t  end_time;
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    char     precision[8];
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    int32_t  data_batch;
    int32_t  max_sql_len;
    int32_t  table_batch; // num of table which will be dump into one output file.
    bool     allow_sys;
    // other options
    int32_t  thread_num;
    int      abort;
    char   **arg_list;
    int       arg_list_len;
    bool      isDumpIn;
    bool      debug_print;
    bool      verbose_print;
    bool      performance_print;
} SArguments;
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/* Our argp parser. */
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static error_t parse_opt(int key, char *arg, struct argp_state *state);

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static struct argp argp = {options, parse_opt, args_doc, doc};
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static resultStatistics g_resultStatistics = {0};
static FILE *g_fpOfResult = NULL;
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static int g_numOfCores = 1;
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static int taosDumpOut();
static int taosDumpIn();
static void taosDumpCreateDbClause(SDbInfo *dbInfo, bool isDumpProperty,
        FILE *fp);
static int taosDumpDb(SDbInfo *dbInfo, FILE *fp, TAOS *taosCon);
static int32_t taosDumpStable(char *table, FILE *fp, TAOS* taosCon,
        char* dbName);
static void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols,
        FILE *fp, char* dbName);
static void taosDumpCreateMTableClause(STableDef *tableDes, char *metric,
        int numOfCols, FILE *fp, char* dbName);
static int32_t taosDumpTable(char *table, char *metric,
        FILE *fp, TAOS* taosCon, char* dbName);
static int taosDumpTableData(FILE *fp, char *tbName,
        TAOS* taosCon, char* dbName,
        char *jsonAvroSchema);
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static int taosCheckParam(struct arguments *arguments);
static void taosFreeDbInfos();
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static void taosStartDumpOutWorkThreads(int32_t numOfThread, char *dbName);
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struct arguments g_args = {
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    // connection option
    NULL,
    "root",
#ifdef _TD_POWER_
    "powerdb",
#else
    "taosdata",
#endif
    0,
    "",
    0,
    // outpath and inpath
    "",
    "",
    "./dump_result.txt",
    NULL,
    // dump unit option
    false,
    false,
    // dump format option
    false,      // schemeonly
    true,       // with_property
    false,      // avro format
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    -INT64_MAX,          // start_time
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    INT64_MAX,  // end_time
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    "ms",       // precision
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    1,          // data_batch
    TSDB_MAX_SQL_LEN,   // max_sql_len
    1,          // table_batch
    false,      // allow_sys
    // other options
    5,          // thread_num
    0,          // abort
    NULL,       // arg_list
    0,          // arg_list_len
    false,      // isDumpIn
    false,      // debug_print
    false,      // verbose_print
    false       // performance_print
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};
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/* Parse a single option. */
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
    /* Get the input argument from argp_parse, which we
       know is a pointer to our arguments structure. */
    wordexp_t full_path;

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

        default:
            return ARGP_ERR_UNKNOWN;
    }
    return 0;
}

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

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

    taos_free_result(res);
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    return 0;
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}

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

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

                if (TSDB_CODE_SUCCESS != taosParseTime(
                            tmp, &tmpEpoch, strlen(tmp),
                            timePrec, 0)) {
                    errorPrint("Input %s, end time error!\n", tmp);
                    free(tmp);
                    return;
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                }
            } else {
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                tmpEpoch = atoll(tmp);
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            }
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            sprintf(argv[i+1], "%"PRId64"", tmpEpoch);
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            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);
    }
622

623
    argp_parse(&argp, argc, argv, 0, 0, &g_args);
624

625 626 627 628 629 630 631
    if (g_args.abort) {
#ifndef _ALPINE
        error(10, 0, "ABORTED");
#else
        abort();
#endif
    }
632

633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
    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);
652
        printf("precision: %s\n", g_args.precision);
653 654 655 656 657 658 659 660 661 662 663 664 665
        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]);
        }
666
    }
667
    printf("==============================\n");
668

669 670 671
    if (g_args.cversion[0] != 0){
        tstrncpy(version, g_args.cversion, 11);
    }
672

673 674 675
    if (taosCheckParam(&g_args) < 0) {
        exit(EXIT_FAILURE);
    }
676

677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
    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);
703
        fprintf(g_fpOfResult, "precision: %s\n", g_args.precision);
704 705 706 707 708 709 710 711 712 713 714 715
        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]);
        }
716 717
    }

718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749
    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);
        }
    }
750

751 752
    fprintf(g_fpOfResult, "\n");
    fclose(g_fpOfResult);
753

754
    return ret;
755 756
}

757
static void taosFreeDbInfos() {
758 759 760
    if (g_dbInfos == NULL) return;
    for (int i = 0; i < 128; i++) tfree(g_dbInfos[i]);
    tfree(g_dbInfos);
761 762 763
}

// check table is normal table or super table
764 765 766 767 768 769 770 771 772 773 774 775 776 777
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;
    }
778

779
    sprintf(tempCommand, "show tables like %s", table);
780

781 782
    result = taos_query(taosCon, tempCommand);
    int32_t code = taos_errno(result);
783

784 785 786 787 788 789 790
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
791

792 793 794 795 796 797 798 799 800 801 802 803 804
    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;
    }
805

806
    taos_free_result(result);
807
    result = NULL;
808

809 810 811 812
    if (isSet) {
        free(tempCommand);
        return 0;
    }
813

814
    sprintf(tempCommand, "show stables like %s", table);
815

816 817
    result = taos_query(taosCon, tempCommand);
    code = taos_errno(result);
818

819 820 821 822 823 824 825
    if (code != 0) {
        errorPrint("%s() LN%d, failed to run command %s\n",
                __func__, __LINE__, tempCommand);
        free(tempCommand);
        taos_free_result(result);
        return -1;
    }
826

827 828 829 830 831 832 833
    while ((row = taos_fetch_row(result)) != NULL) {
        isSet = true;
        pTableRecordInfo->isMetric = true;
        tstrncpy(pTableRecordInfo->tableRecord.metric, table,
                TSDB_TABLE_NAME_LEN);
        break;
    }
834

835
    taos_free_result(result);
836
    result = NULL;
837

838 839 840 841 842 843
    if (isSet) {
        free(tempCommand);
        return 0;
    }
    errorPrint("%s() LN%d, invalid table/metric %s\n",
            __func__, __LINE__, table);
844
    free(tempCommand);
845
    return -1;
846 847 848
}


849 850
static int32_t taosSaveAllNormalTableToTempFile(TAOS *taosCon, char*meter,
        char* metric, int* fd) {
851 852 853 854 855 856 857 858 859 860
    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;
        }
861
    }
862

863 864 865
    memset(&tableRecord, 0, sizeof(STableRecord));
    tstrncpy(tableRecord.name, meter, TSDB_TABLE_NAME_LEN);
    tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
866

867 868
    taosWrite(*fd, &tableRecord, sizeof(STableRecord));
    return 0;
869 870
}

871 872 873 874 875 876
static int32_t taosSaveTableOfMetricToTempFile(
        TAOS *taosCon, char* metric,
        int32_t*  totalNumOfThread) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
877

878 879 880 881 882
    char* tmpCommand = (char *)malloc(COMMAND_SIZE);
    if (tmpCommand == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        return -1;
    }
883

884
    sprintf(tmpCommand, "select tbname from %s", metric);
885

886 887 888 889 890 891 892 893 894
    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;
    }
895 896
    free(tmpCommand);

897 898 899 900 901 902 903 904 905 906 907 908
    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);
909

910 911
    int32_t  numOfTable  = 0;
    while ((row = taos_fetch_row(res)) != NULL) {
H
Hui Li 已提交
912

913 914 915
        memset(&tableRecord, 0, sizeof(STableRecord));
        tstrncpy(tableRecord.name, (char *)row[0], fields[0].bytes);
        tstrncpy(tableRecord.metric, metric, TSDB_TABLE_NAME_LEN);
916

917 918
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
        numOfTable++;
919
    }
920 921
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
922

923 924 925 926 927 928 929 930 931 932 933
    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;
        }
    }
934

935 936 937 938 939 940
    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;
941
    }
H
Hui Li 已提交
942

943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970
    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
971 972
    }

973 974
    sprintf(tmpBuf, ".select-tbname.tmp");
    (void)remove(tmpBuf);
975

976 977 978 979
    if (fd >= 0) {
        close(fd);
        fd = -1;
    }
980

981
    *totalNumOfThread = numOfThread;
982

983 984
    free(tblBuf);
    return 0;
985 986
}

987 988 989 990
static int taosDumpOut() {
    TAOS     *taos       = NULL;
    TAOS_RES *result     = NULL;
    char     *command    = NULL;
991

992 993 994 995
    TAOS_ROW row;
    FILE *fp = NULL;
    int32_t count = 0;
    STableRecordInfo tableRecordInfo;
996

997 998 999 1000 1001 1002
    char tmpBuf[4096] = {0};
    if (g_args.outpath[0] != 0) {
        sprintf(tmpBuf, "%s/dbs.sql", g_args.outpath);
    } else {
        sprintf(tmpBuf, "dbs.sql");
    }
1003

1004 1005 1006 1007 1008 1009
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        return -1;
    }
1010

1011 1012 1013 1014 1015 1016
    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;
    }
1017

1018 1019 1020 1021 1022
    command = (char *)malloc(COMMAND_SIZE);
    if (command == NULL) {
        errorPrint("%s() LN%d, failed to allocate memory\n", __func__, __LINE__);
        goto _exit_failure;
    }
1023

1024 1025 1026 1027 1028 1029 1030
    /* 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;
    }
1031

1032 1033 1034 1035
    /* --------------------------------- Main Code -------------------------------- */
    /* if (g_args.databases || g_args.all_databases) { // dump part of databases or all databases */
    /*  */
    taosDumpCharset(fp);
1036

1037 1038 1039
    sprintf(command, "show databases");
    result = taos_query(taos, command);
    int32_t code = taos_errno(result);
1040

1041 1042 1043 1044 1045 1046 1047
    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);
1048

1049 1050 1051
    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",
1052
                        fields[TSDB_SHOW_DB_NAME_INDEX].bytes) == 0)
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
                && (!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;
        }
1073

1074
_dump_db_point:
1075

1076 1077 1078 1079 1080 1081
        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;
        }
1082

1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111
        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++;
1112

1113 1114
        if (g_args.databases) {
            if (count > g_args.arg_list_len) break;
1115

1116 1117 1118
        } else if (!g_args.all_databases) {
            if (count >= 1) break;
        }
1119
    }
1120

1121 1122
    if (count == 0) {
        errorPrint("%d databases valid to dump\n", count);
1123
        goto _exit_failure;
1124
    }
1125

1126 1127 1128
    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);
1129
        }
1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
    } 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;
1146
            }
1147

1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192
            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;
                }
            }
1193

1194 1195 1196 1197
            // TODO: save dump super table <superTblCnt> into result_output.txt
            fprintf(g_fpOfResult, "# super table counter:               %d\n",
                    superTblCnt);
            g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1198

1199 1200 1201
            if (-1 != normalTblFd){
                taosClose(normalTblFd);
            }
1202

1203 1204 1205
            // start multi threads to dumpout
            taosStartDumpOutWorkThreads(totalNumOfThread,
                    g_dbInfos[0]->name);
1206

1207 1208 1209 1210 1211 1212 1213
            char tmpFileName[MAX_FILE_NAME_LEN];
_clean_tmp_file:
            for (int loopCnt = 0; loopCnt < totalNumOfThread; loopCnt++) {
                sprintf(tmpFileName, ".tables.tmp.%d", loopCnt);
                remove(tmpFileName);
            }
        }
1214 1215
    }

1216 1217 1218 1219 1220 1221 1222 1223
    /* 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;
1224 1225

_exit_failure:
1226 1227 1228 1229 1230 1231 1232
    fclose(fp);
    taos_close(taos);
    taos_free_result(result);
    tfree(command);
    taosFreeDbInfos();
    errorPrint("dump out rows: %" PRId64 "\n", g_totalDumpOutRows);
    return -1;
1233 1234
}

1235
static int taosGetTableDes(
1236 1237
        char* dbName, char *table,
        STableDef *tableDes, TAOS* taosCon, bool isSuperTable) {
1238 1239 1240
    TAOS_ROW row = NULL;
    TAOS_RES* res = NULL;
    int count = 0;
1241

1242 1243
    char sqlstr[COMMAND_SIZE];
    sprintf(sqlstr, "describe %s.%s;", dbName, table);
1244

1245 1246 1247 1248 1249 1250 1251 1252
    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;
    }
1253

1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271
    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++;
    }
1272

1273 1274
    taos_free_result(res);
    res = NULL;
1275

1276 1277 1278
    if (isSuperTable) {
        return count;
    }
1279

1280 1281 1282
    // 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;
1283

1284

1285 1286
        sprintf(sqlstr, "select %s from %s.%s",
                tableDes->cols[i].field, dbName, table);
1287

1288 1289 1290 1291 1292 1293 1294 1295
        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;
        }
1296

1297
        fields = taos_fetch_fields(res);
1298

1299 1300 1301 1302 1303 1304 1305
        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;
        }
1306

1307 1308 1309 1310 1311 1312
        if (row[0] == NULL) {
            sprintf(tableDes->cols[i].note, "%s", "NULL");
            taos_free_result(res);
            res = NULL;
            continue;
        }
1313

1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374
        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;
1375
        }
1376 1377 1378

        taos_free_result(res);
        res = NULL;
1379
    }
1380

1381 1382
    return count;
}
1383

1384 1385 1386 1387 1388
static int convertSchemaToAvroSchema(STableDef *tableDes, char **avroSchema)
{
    errorPrint("%s() LN%d TODO: covert table schema to avro schema\n",
            __func__, __LINE__);
    return 0;
1389 1390
}

1391
static int32_t taosDumpTable(
1392
        char *table, char *metric,
1393
        FILE *fp, TAOS* taosCon, char* dbName) {
1394
    int count = 0;
1395

1396 1397
    STableDef *tableDes = (STableDef *)calloc(1, sizeof(STableDef)
            + sizeof(SColDes) * TSDB_MAX_COLUMNS);
1398

1399 1400 1401
    if (metric != NULL && metric[0] != '\0') {  // dump table schema which is created by using super table
        /*
           count = taosGetTableDes(metric, tableDes, taosCon);
1402

1403 1404 1405 1406
           if (count < 0) {
           free(tableDes);
           return -1;
           }
1407

1408
           taosDumpCreateTableClause(tableDes, count, fp);
1409

1410 1411
           memset(tableDes, 0, sizeof(STableDef) + sizeof(SColDes) * TSDB_MAX_COLUMNS);
           */
1412

1413
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1414

1415 1416 1417 1418
        if (count < 0) {
            free(tableDes);
            return -1;
        }
1419

1420 1421
        // create child-table using super-table
        taosDumpCreateMTableClause(tableDes, metric, count, fp, dbName);
1422

1423 1424
    } else {  // dump table definition
        count = taosGetTableDes(dbName, table, tableDes, taosCon, false);
1425

1426 1427 1428 1429 1430 1431 1432
        if (count < 0) {
            free(tableDes);
            return -1;
        }

        // create normal-table or super-table
        taosDumpCreateTableClause(tableDes, count, fp, dbName);
1433 1434
    }

1435 1436 1437 1438 1439 1440
    char *jsonAvroSchema = NULL;
    if (g_args.avro) {
        convertSchemaToAvroSchema(tableDes, &jsonAvroSchema);
    }

    free(tableDes);
1441

1442 1443 1444 1445 1446
    int32_t ret = 0;
    if (!g_args.schemaonly) {
        ret = taosDumpTableData(fp, table, taosCon, dbName,
            jsonAvroSchema);
    }
1447

1448
    return ret;
1449 1450
}

1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467
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);
    }
1468

1469 1470
    pstr += sprintf(pstr, ";");
    fprintf(fp, "%s\n\n", sqlstr);
1471 1472
}

1473
static void* taosDumpOutWorkThreadFp(void *arg)
1474
{
1475 1476 1477 1478
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
    STableRecord    tableRecord;
    int fd;

1479 1480
    setThreadName("dumpOutWorkThrd");

1481 1482 1483 1484 1485 1486 1487 1488
    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;
    }
1489

1490 1491
    FILE *fp = NULL;
    memset(tmpBuf, 0, 4096);
1492

1493 1494 1495 1496 1497 1498 1499
    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);
    }
1500

1501 1502 1503 1504 1505 1506 1507
    fp = fopen(tmpBuf, "w");
    if (fp == NULL) {
        errorPrint("%s() LN%d, failed to open file %s\n",
                __func__, __LINE__, tmpBuf);
        close(fd);
        return NULL;
    }
1508

1509 1510
    memset(tmpBuf, 0, 4096);
    sprintf(tmpBuf, "use %s", pThread->dbName);
H
Hui Li 已提交
1511

1512 1513 1514 1515 1516 1517
    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
1518
        fclose(fp);
1519 1520 1521
        close(fd);
        return NULL;
    }
1522

1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
#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
1574
        }
1575
    }
1576

1577 1578 1579
    taos_free_result(tmpResult);
    close(fd);
    fclose(fp);
1580

1581
    return NULL;
1582 1583
}

1584
static void taosStartDumpOutWorkThreads(int32_t  numOfThread, char *dbName)
1585
{
1586 1587 1588 1589 1590 1591 1592 1593
    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;
1594 1595
    }

1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606
    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);
1607
            free(threadObj);
1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620
            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);
        }
    }
1621

1622 1623 1624
    for (int32_t t = 0; t < numOfThread; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
1625

1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
    // 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);
1641 1642
}

1643 1644
static int32_t taosDumpStable(char *table, FILE *fp,
        TAOS* taosCon, char* dbName) {
1645

1646 1647 1648 1649 1650 1651 1652
    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);
    }
1653

1654
    int count = taosGetTableDes(dbName, table, tableDes, taosCon, true);
1655

1656 1657 1658 1659 1660 1661
    if (count < 0) {
        free(tableDes);
        errorPrint("%s() LN%d, failed to get stable[%s] schema\n",
               __func__, __LINE__, table);
        exit(-1);
    }
1662

1663
    taosDumpCreateTableClause(tableDes, count, fp, dbName);
1664 1665

    free(tableDes);
1666
    return 0;
1667 1668
}

1669
static int32_t taosDumpCreateSuperTableClause(TAOS* taosCon, char* dbName, FILE *fp)
1670
{
1671 1672 1673 1674
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1675

1676
    sprintf(sqlstr, "show %s.stables", dbName);
1677

1678 1679 1680 1681 1682 1683 1684 1685
    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);
    }
1686

1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699
    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);
    }
1700

1701 1702 1703 1704 1705 1706
    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));
    }
1707

1708 1709
    taos_free_result(res);
    (void)lseek(fd, 0, SEEK_SET);
1710

1711 1712 1713 1714
    int superTblCnt = 0;
    while (1) {
        ssize_t readLen = read(fd, &tableRecord, sizeof(STableRecord));
        if (readLen <= 0) break;
1715

1716 1717 1718 1719
        int ret = taosDumpStable(tableRecord.name, fp, taosCon, dbName);
        if (0 == ret) {
            superTblCnt++;
        }
1720
    }
1721

1722 1723 1724
    // TODO: save dump super table <superTblCnt> into result_output.txt
    fprintf(g_fpOfResult, "# super table counter:               %d\n", superTblCnt);
    g_resultStatistics.totalSuperTblsOfDumpOut += superTblCnt;
1725

1726 1727
    close(fd);
    (void)remove(".stables.tmp");
1728

1729
    return 0;
1730 1731 1732
}


1733 1734 1735 1736
static int taosDumpDb(SDbInfo *dbInfo, FILE *fp, TAOS *taosCon) {
    TAOS_ROW row;
    int fd = -1;
    STableRecord tableRecord;
1737

1738
    taosDumpCreateDbClause(dbInfo, g_args.with_property, fp);
1739

1740 1741 1742
    fprintf(g_fpOfResult, "\n#### database:                       %s\n",
            dbInfo->name);
    g_resultStatistics.totalDatabasesOfDumpOut++;
1743

1744
    char sqlstr[TSDB_MAX_SQL_LEN] = {0};
1745

1746
    fprintf(fp, "USE %s;\n\n", dbInfo->name);
1747

1748
    (void)taosDumpCreateSuperTableClause(taosCon, dbInfo->name, fp);
1749

1750
    sprintf(sqlstr, "show %s.tables", dbInfo->name);
1751

1752 1753 1754 1755 1756 1757 1758 1759
    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;
    }
1760

1761 1762 1763 1764 1765 1766 1767 1768 1769 1770
    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;
    }
1771

1772
    TAOS_FIELD *fields = taos_fetch_fields(res);
1773

1774 1775 1776 1777 1778 1779 1780
    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
1781

1782
        taosWrite(fd, &tableRecord, sizeof(STableRecord));
1783

1784
        numOfTable++;
1785
    }
1786 1787
    taos_free_result(res);
    lseek(fd, 0, SEEK_SET);
H
Hui Li 已提交
1788

1789 1790 1791 1792 1793 1794 1795 1796 1797 1798
    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
1799
    }
1800

1801 1802 1803 1804 1805 1806 1807
    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
1808

1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827
    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;
        }
1828

1829 1830 1831 1832 1833 1834 1835 1836 1837
        // 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);
    }
1838

1839
    sprintf(tmpBuf, ".show-tables.tmp");
H
Hui Li 已提交
1840
    (void)remove(tmpBuf);
1841

1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855
    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;
1856 1857
}

1858 1859
static void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols,
        FILE *fp, char* dbName) {
1860 1861
  int counter = 0;
  int count_temp = 0;
1862
  char sqlstr[COMMAND_SIZE];
1863

1864
  char* pstr = sqlstr;
1865

1866 1867
  pstr += sprintf(sqlstr, "CREATE TABLE IF NOT EXISTS %s.%s",
          dbName, tableDes->name);
1868 1869 1870 1871 1872

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

    if (counter == 0) {
1873 1874
      pstr += sprintf(pstr, " (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1875
    } else {
1876 1877
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
    }

    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) {
1890 1891
      pstr += sprintf(pstr, ") TAGS (%s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1892
    } else {
1893 1894
      pstr += sprintf(pstr, ", %s %s",
              tableDes->cols[counter].field, tableDes->cols[counter].type);
1895 1896 1897 1898 1899 1900 1901 1902 1903 1904
    }

    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, ");");

1905
  fprintf(fp, "%s\n\n", sqlstr);
1906 1907
}

1908 1909
static void taosDumpCreateMTableClause(STableDef *tableDes, char *metric,
        int numOfCols, FILE *fp, char* dbName) {
1910 1911 1912 1913 1914 1915 1916 1917 1918
    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;
    }
1919

1920 1921
    char *pstr = NULL;
    pstr = tmpBuf;
1922

1923 1924 1925
    pstr += sprintf(tmpBuf,
            "CREATE TABLE IF NOT EXISTS %s.%s USING %s.%s TAGS (",
            dbName, tableDes->name, dbName, metric);
1926

1927 1928 1929
    for (; counter < numOfCols; counter++) {
        if (tableDes->cols[counter].note[0] != '\0') break;
    }
1930

1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952
    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); */
        }
1953

1954 1955 1956 1957
        /* if (strcasecmp(tableDes->cols[counter].type, "binary") == 0 || strcasecmp(tableDes->cols[counter].type, "nchar")
         * == 0) { */
        /*     pstr += sprintf(pstr, "(%d)", tableDes->cols[counter].length); */
        /* } */
1958 1959
    }

1960
    pstr += sprintf(pstr, ");");
1961

1962 1963
    fprintf(fp, "%s\n", tmpBuf);
    free(tmpBuf);
1964 1965
}

1966 1967 1968 1969 1970 1971
static int writeSchemaToAvro(char *jsonAvroSchema)
{
    errorPrint("%s() LN%d, TODO: implement write schema to avro",
            __func__, __LINE__);
    return 0;
}
1972

1973 1974 1975
static int64_t writeResultToAvro(TAOS_RES *res)
{
    errorPrint("%s() LN%d, TODO: implementation need\n", __func__, __LINE__);
1976
    return 0;
1977
}
1978

1979 1980 1981
static int64_t writeResultToSql(TAOS_RES *res, FILE *fp, char *dbName, char *tbName)
{
    int64_t    totalRows     = 0;
1982

1983 1984 1985 1986 1987 1988
    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;
    }
1989

1990
    char *pstr = tmpBuffer;
1991

1992 1993 1994 1995 1996
    TAOS_ROW row = NULL;
    int numFields = 0;
    int rowFlag = 0;
    int64_t    lastRowsPrint = 5000000;
    int count = 0;
1997

1998 1999 2000
    numFields = taos_field_count(res);
    assert(numFields > 0);
    TAOS_FIELD *fields = taos_fetch_fields(res);
2001

2002 2003
    int32_t  curr_sqlstr_len = 0;
    int32_t  total_sqlstr_len = 0;
2004

2005 2006
    while ((row = taos_fetch_row(res)) != NULL) {
        curr_sqlstr_len = 0;
2007

2008 2009 2010 2011 2012 2013
        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);
2014
        } else {
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
            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, "(");
            }
2025 2026
        }

2027 2028
        for (int col = 0; col < numFields; col++) {
            if (col != 0) curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, ", ");
2029

2030 2031 2032 2033
            if (row[col] == NULL) {
                curr_sqlstr_len += sprintf(pstr + curr_sqlstr_len, "NULL");
                continue;
            }
2034

2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092
            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;
            }
2093
        }
2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112

        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;
2113
        }
2114 2115
    }

2116
    debugPrint("total_sqlstr_len: %d\n", total_sqlstr_len);
2117

2118 2119 2120
    fprintf(fp, "\n");
    atomic_add_fetch_64(&g_totalDumpOutRows, totalRows);
    free(tmpBuffer);
2121

2122 2123
    return 0;
}
2124

2125 2126 2127 2128
static int taosDumpTableData(FILE *fp, char *tbName,
        TAOS* taosCon, char* dbName,
        char *jsonAvroSchema) {
    int64_t    totalRows     = 0;
2129

2130 2131 2132 2133
    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);
2134

2135 2136 2137 2138 2139 2140 2141 2142
    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;
    }
2143

2144 2145 2146 2147 2148 2149
    if (g_args.avro) {
        writeSchemaToAvro(jsonAvroSchema);
        totalRows = writeResultToAvro(res);
    } else {
        totalRows = writeResultToSql(res, fp, dbName, tbName);
    }
2150

2151 2152
    taos_free_result(res);
    return totalRows;
2153 2154
}

2155
static int taosCheckParam(struct arguments *arguments) {
2156 2157 2158 2159
    if (g_args.all_databases && g_args.databases) {
        fprintf(stderr, "conflict option --all-databases and --databases\n");
        return -1;
    }
2160

2161 2162 2163 2164
    if (g_args.start_time > g_args.end_time) {
        fprintf(stderr, "start time is larger than end time\n");
        return -1;
    }
2165

2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180
    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;
2181 2182
    }

2183 2184 2185 2186
    if (g_args.table_batch <= 0) {
        fprintf(stderr, "invalid option in dump out\n");
        return -1;
    }
2187

2188
    return 0;
2189 2190
}

2191 2192
/*
static bool isEmptyCommand(char *cmd) {
2193 2194 2195 2196 2197 2198 2199 2200 2201 2202
  char *pchar = cmd;

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

  return true;
}

2203 2204
static void taosReplaceCtrlChar(char *str) {
  bool ctrlOn = false;
2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245
  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';
}
2246
*/
2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269

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"};

2270
static int converStringToReadable(char *str, int size, char *buf, int bufsize) {
2271 2272 2273 2274 2275 2276 2277 2278 2279 2280
    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;
2281 2282
}

2283
static int convertNCharToReadable(char *str, int size, char *buf, int bufsize) {
2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
    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;
2303 2304
    }

2305
    *pbuf = '\0';
2306

2307
    return 0;
2308 2309
}

2310
static void taosDumpCharset(FILE *fp) {
2311
    char charsetline[256];
2312

2313 2314 2315
    (void)fseek(fp, 0, SEEK_SET);
    sprintf(charsetline, "#!%s\n", tsCharset);
    (void)fwrite(charsetline, strlen(charsetline), 1, fp);
2316 2317
}

2318
static void taosLoadFileCharset(FILE *fp, char *fcharset) {
2319 2320
    char * line = NULL;
    size_t line_size = 0;
2321

2322 2323 2324 2325 2326
    (void)fseek(fp, 0, SEEK_SET);
    ssize_t size = getline(&line, &line_size, fp);
    if (size <= 2) {
        goto _exit_no_charset;
    }
2327

2328 2329 2330 2331 2332 2333 2334 2335
    if (strncmp(line, "#!", 2) != 0) {
        goto _exit_no_charset;
    }
    if (line[size - 1] == '\n') {
        line[size - 1] = '\0';
        size--;
    }
    strcpy(fcharset, line + 2);
2336

2337 2338
    tfree(line);
    return;
2339 2340

_exit_no_charset:
2341 2342 2343 2344
    (void)fseek(fp, 0, SEEK_SET);
    *fcharset = '\0';
    tfree(line);
    return;
2345 2346 2347 2348
}

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

2349 2350 2351 2352 2353 2354 2355
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)
2356
{
2357
    char cmd[1024] = { 0 };
2358

2359 2360 2361 2362 2363
    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);
2364

2365 2366 2367 2368 2369
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2370

2371 2372 2373 2374 2375 2376 2377 2378 2379 2380
    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);
    }
2381

2382 2383
    pclose(fp);
    return fileNum;
2384 2385
}

2386 2387 2388
static void taosParseDirectory(const char *directoryName,
        const char *prefix, const char *prefix2,
        char **fileArray, int totalFiles)
2389
{
2390
    char cmd[1024] = { 0 };
2391

2392 2393 2394 2395 2396 2397
    if (prefix2) {
        sprintf(cmd, "ls %s/*.%s %s/*.%s | sort",
                directoryName, prefix, directoryName, prefix2);
    } else {
        sprintf(cmd, "ls %s/*.%s | sort", directoryName, prefix);
    }
2398

2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412
    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;
        }
2413
    }
2414 2415 2416 2417 2418

    if (fileNum != totalFiles) {
        errorPrint("directory:%s changed while read\n", directoryName);
        pclose(fp);
        exit(-1);
2419 2420 2421 2422 2423
    }

    pclose(fp);
}

2424
static void taosCheckDatabasesSQLFile(const char *directoryName)
2425
{
2426 2427
    char cmd[1024] = { 0 };
    sprintf(cmd, "ls %s/dbs.sql", directoryName);
2428

2429 2430 2431 2432 2433
    FILE *fp = popen(cmd, "r");
    if (fp == NULL) {
        errorPrint("failed to execute:%s, error:%s\n", cmd, strerror(errno));
        exit(-1);
    }
2434

2435 2436 2437
    while (fscanf(fp, "%128s", g_tsDbSqlFile)) {
        break;
    }
2438

2439
    pclose(fp);
2440 2441
}

2442
static void taosMallocDumpFiles()
2443
{
2444 2445 2446 2447
    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);
    }
2448 2449
}

2450
static void taosFreeDumpFiles()
2451
{
2452 2453 2454 2455
    for (int i = 0; i < g_tsSqlFileNum; i++) {
        tfree(g_tsDumpInSqlFiles[i]);
    }
    tfree(g_tsDumpInSqlFiles);
2456 2457 2458 2459
}

static void taosGetDirectoryFileList(char *inputDir)
{
2460 2461 2462 2463
    struct stat fileStat;
    if (stat(inputDir, &fileStat) < 0) {
        errorPrint("%s not exist\n", inputDir);
        exit(-1);
2464
    }
2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491

    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);
2492
    }
2493 2494
}

2495
static FILE* taosOpenDumpInFile(char *fptr) {
2496
    wordexp_t full_path;
2497

2498 2499 2500 2501
    if (wordexp(fptr, &full_path, 0) != 0) {
        errorPrint("illegal file name: %s\n", fptr);
        return NULL;
    }
2502

2503
    char *fname = full_path.we_wordv[0];
2504

2505 2506 2507 2508 2509 2510 2511 2512
    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);
        }
    }
2513

2514 2515
    wordfree(&full_path);
    return f;
2516 2517
}

2518 2519
static int taosDumpInOneFile(TAOS* taos, FILE* fp, char* fcharset,
        char* encode, char* fileName) {
2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531
    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;
    }
2532

2533 2534 2535 2536 2537 2538
    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';
2539

2540 2541 2542 2543
        //if (read_len == 0 || isCommentLine(line)) {  // line starts with #
        if (read_len == 0 ) {
            continue;
        }
2544

2545 2546 2547 2548 2549 2550
        if (line[read_len - 1] == '\\') {
            line[read_len - 1] = ' ';
            memcpy(cmd + cmd_len, line, read_len);
            cmd_len += read_len;
            continue;
        }
2551

2552 2553 2554 2555 2556 2557 2558
        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);
        }
2559

2560 2561
        memset(cmd, 0, TSDB_MAX_ALLOWED_SQL_LEN);
        cmd_len = 0;
2562

2563 2564 2565 2566
        if (lineNo >= lastRowsPrint) {
            printf(" %d lines already be executed from file %s\n", lineNo, fileName);
            lastRowsPrint += 5000000;
        }
H
Hui Li 已提交
2567
    }
2568

2569 2570 2571 2572
    tfree(cmd);
    tfree(line);
    fclose(fp);
    return 0;
2573 2574
}

2575
static void* taosDumpInWorkThreadFp(void *arg)
2576
{
2577
    SThreadParaObj *pThread = (SThreadParaObj*)arg;
2578 2579
    setThreadName("dumpInWorkThrd");

2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590
    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);
        }
2591 2592
    }

2593
    return NULL;
2594 2595
}

2596
static void taosStartDumpInWorkThreads()
2597
{
2598 2599 2600
    pthread_attr_t  thattr;
    SThreadParaObj *pThread;
    int32_t         totalThreads = g_args.thread_num;
2601

2602 2603 2604
    if (totalThreads > g_tsSqlFileNum) {
        totalThreads = g_tsSqlFileNum;
    }
2605

2606 2607
    SThreadParaObj *threadObj = (SThreadParaObj *)calloc(
            totalThreads, sizeof(SThreadParaObj));
2608

2609 2610 2611
    if (NULL == threadObj) {
        errorPrint("%s() LN%d, memory allocation failed\n", __func__, __LINE__);
    }
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);
2621
            free(threadObj);
2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632
            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);
        }
2633 2634
    }

2635 2636 2637
    for (int t = 0; t < totalThreads; ++t) {
        pthread_join(threadObj[t].threadID, NULL);
    }
2638

2639 2640 2641 2642
    for (int t = 0; t < totalThreads; ++t) {
        taos_close(threadObj[t].taosCon);
    }
    free(threadObj);
2643 2644
}

2645 2646
static int taosDumpIn() {
    assert(g_args.isDumpIn);
2647

2648 2649
    TAOS     *taos    = NULL;
    FILE     *fp      = NULL;
2650

2651 2652 2653 2654 2655 2656 2657 2658
    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;
    }
2659

2660
    taosGetDirectoryFileList(g_args.inpath);
2661

2662 2663 2664
    int32_t  tsSqlFileNumOfTbls = g_tsSqlFileNum;
    if (g_tsDbSqlFile[0] != 0) {
        tsSqlFileNumOfTbls--;
2665

2666 2667 2668 2669 2670 2671 2672
        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);
2673

2674
        taosLoadFileCharset(fp, g_tsCharset);
2675

2676 2677 2678
        taosDumpInOneFile(taos, fp, g_tsCharset, g_args.encode,
                g_tsDbSqlFile);
    }
2679

2680
    taos_close(taos);
2681

2682 2683 2684 2685 2686 2687
    if (0 != tsSqlFileNumOfTbls) {
        taosStartDumpInWorkThreads();
    }

    taosFreeDumpFiles();
    return 0;
2688 2689
}