schemaless.c

#include "taos.h"
#include "taoserror.h"

#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>

int numSuperTables = 8;
int numChildTables = 1024;
int numRowsPerChildTable = 128;

void shuffle(char**lines, size_t n)
{
  if (n > 1)
  {
    size_t i;
    for (i = 0; i < n - 1; i++)
    {
      size_t j = i + rand() / (RAND_MAX / (n - i) + 1);
      char* t = lines[j];
      lines[j] = lines[i];
      lines[i] = t;
    }
  }
}

static int64_t getTimeInUs() {
  struct timeval systemTime;
  gettimeofday(&systemTime, NULL);
  return (int64_t)systemTime.tv_sec * 1000000L + (int64_t)systemTime.tv_usec;
}

int main(int argc, char* argv[]) {
  TAOS_RES *result;
  const char* host = "127.0.0.1";
  const char* user = "root";
  const char* passwd = "taosdata";

  taos_options(TSDB_OPTION_TIMEZONE, "GMT-8");
  TAOS* taos = taos_connect(host, user, passwd, "", 0);
  if (taos == NULL) {
    printf("\033[31mfailed to connect to db, reason:%s\033[0m\n", taos_errstr(taos));
    exit(1);
  }

  char* info = taos_get_server_info(taos);
  printf("server info: %s\n", info);
  info = taos_get_client_info(taos);
  printf("client info: %s\n", info);
  result = taos_query(taos, "drop database if exists db;");
  taos_free_result(result);
  usleep(100000);
  result = taos_query(taos, "create database db precision 'ms';");
  taos_free_result(result);
  usleep(100000);

  (void)taos_select_db(taos, "db");

  time_t ct = time(0);
  int64_t ts = ct * 1000;
  char* lineFormat = "sta%d,t0=true,t1=127i8,t2=32767i16,t3=%di32,t4=9223372036854775807i64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=255u8,c6=32770u16,c7=2147483699u32,c8=9223372036854775899u64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" %lldms";

  char** lines = calloc(numSuperTables * numChildTables * numRowsPerChildTable, sizeof(char*));
  int l = 0;
  for (int i = 0; i < numSuperTables; ++i) {
    for (int j = 0; j < numChildTables; ++j) {
      for (int k = 0; k < numRowsPerChildTable; ++k) {
        char* line = calloc(512, 1);
        snprintf(line, 512, lineFormat, i, j, ts + 10 * l);
        lines[l] = line;
        ++l;
      }
    }
  }
  shuffle(lines, numSuperTables * numChildTables * numRowsPerChildTable);

  printf("%s\n", "begin taos_insert_lines");
  int64_t  begin = getTimeInUs();
  int32_t code = taos_insert_lines(taos, lines, numSuperTables * numChildTables * numRowsPerChildTable);
  int64_t end = getTimeInUs();
  printf("code: %d, %s, %ld\n", code, tstrerror(code), end-begin);

  char* lines_000_0[] = {
      "sta1,id=sta1_1,t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=255u8,t6=32770u16,t7=2147483699u32,t8=9223372036854775899u64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=255u8,c6=32770u16,c7=2147483699u32,c8=9223372036854775899u64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639000us"
  };

  code = taos_insert_lines(taos, lines_000_0 , sizeof(lines_000_0)/sizeof(char*));
  if (0 == code) {
    printf("taos_insert_lines() lines_000_0 should return error\n");
    return -1;
  }

  char* lines_000_1[] = {
      "sta2,id=\"sta2_1\",t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=255u8,t6=32770u16,t7=2147483699u32,t8=9223372036854775899u64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=255u8,c6=32770u16,c7=2147483699u32,c8=9223372036854775899u64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639001"
  };

  code = taos_insert_lines(taos, lines_000_1 , sizeof(lines_000_1)/sizeof(char*));
  if (0 == code) {
    printf("taos_insert_lines() lines_000_1 should return error\n");
    return -1;
  }

  char* lines_000_2[] = {
      "sta3,id=\"sta3_1\",t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=255u8,c6=32770u16,c7=2147483699u32,c8=9223372036854775899u64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 0"
  };

  code = taos_insert_lines(taos, lines_000_2 , sizeof(lines_000_2)/sizeof(char*));
  if (0 != code) {
    printf("taos_insert_lines() lines_000_2 return code:%d (%s)\n", code, (char*)tstrerror(code));
    return -1;
  }

  char* lines_001_0[] = {
      "sta4,t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639000us",

  };

  code = taos_insert_lines(taos, lines_001_0 , sizeof(lines_001_0)/sizeof(char*));
  if (0 != code) {
    printf("taos_insert_lines() lines_001_0 return code:%d (%s)\n", code, (char*)tstrerror(code));
    return -1;
  }

  char* lines_001_1[] = {
      "sta5,id=\"sta5_1\",t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639001"
  };

  code = taos_insert_lines(taos, lines_001_1 , sizeof(lines_001_1)/sizeof(char*));
  if (0 != code) {
    printf("taos_insert_lines() lines_001_1 return code:%d (%s)\n", code, (char*)tstrerror(code));
    return -1;
  }

  char* lines_001_2[] = {
      "sta6,id=\"sta6_1\",t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t9=11.12345f32,t10=22.123456789f64,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c0=true,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c9=11.12345f32,c10=22.123456789f64,c11=\"binaryValue\",c12=L\"ncharValue\" 0"
  };

  code = taos_insert_lines(taos, lines_001_2 , sizeof(lines_001_2)/sizeof(char*));
  if (0 != code) {
    printf("taos_insert_lines() lines_001_2 return code:%d (%s)\n", code, (char*)tstrerror(code));
    return -1;
  }

  char* lines_002[] = {
      "stb,id=\"stb_1\",t20=t,t21=T,t22=true,t23=True,t24=TRUE,t25=f,t26=F,t27=false,t28=False,t29=FALSE,t10=33.12345,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c20=t,c21=T,c22=true,c23=True,c24=TRUE,c25=f,c26=F,c27=false,c28=False,c29=FALSE,c10=33.12345,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639000000ns",
      "stc,id=\"stc_1\",t20=t,t21=T,t22=true,t23=True,t24=TRUE,t25=f,t26=F,t27=false,t28=False,t29=FALSE,t10=33.12345,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c20=t,c21=T,c22=true,c23=True,c24=TRUE,c25=f,c26=F,c27=false,c28=False,c29=FALSE,c10=33.12345,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833639019us",
      "stc,id=\"stc_1\",t20=t,t21=T,t22=true,t23=True,t24=TRUE,t25=f,t26=F,t27=false,t28=False,t29=FALSE,t10=33.12345,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c20=t,c21=T,c22=true,c23=True,c24=TRUE,c25=f,c26=F,c27=false,c28=False,c29=FALSE,c10=33.12345,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006833640ms",
      "stc,id=\"stc_1\",t20=t,t21=T,t22=true,t23=True,t24=TRUE,t25=f,t26=F,t27=false,t28=False,t29=FALSE,t10=33.12345,t11=\"binaryTagValue\",t12=L\"ncharTagValue\" c20=t,c21=T,c22=true,c23=True,c24=TRUE,c25=f,c26=F,c27=false,c28=False,c29=FALSE,c10=33.12345,c11=\"binaryValue\",c12=L\"ncharValue\" 1626006834s"
  };

  code = taos_insert_lines(taos, lines_002 , sizeof(lines_002)/sizeof(char*));
  if (0 != code) {
    printf("taos_insert_lines() lines_002 return code:%d (%s)\n", code, (char*)tstrerror(code));
    return -1;
  }

  return 0;
}