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TDengine
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提交 1396d7c7 编写于 作者: dengyihao's avatar dengyihao
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add test

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examples/c/api_with_reqid_test.c 0 → 100644
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// sample code to verify all TDengine API
// to compile: gcc -o apitest apitest.c -ltaos
#include "taoserror.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "taos.h"
static int64_t count = 10000;
int64_t genReqid() {
count += 100;
return count;
}
static void prepare_data(TAOS* taos) {
TAOS_RES* result;
result = taos_query_with_reqid(taos, "drop database if exists test;", genReqid());
taos_free_result(result);
usleep(100000);
result = taos_query_with_reqid(taos, "create database test precision 'us';", genReqid());
taos_free_result(result);
usleep(100000);
taos_select_db(taos, "test");
result = taos_query_with_reqid(taos, "create table meters(ts timestamp, a int) tags(area int);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t0 using meters tags(0);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t1 using meters tags(1);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t2 using meters tags(2);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t3 using meters tags(3);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t4 using meters tags(4);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t5 using meters tags(5);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t6 using meters tags(6);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t7 using meters tags(7);", genReqid());
taos_free_result(result);
result = taos_query_with_reqid(taos, "create table t8 using meters tags(8);", genReqid());
taos_free_result(result);
result = taos_query(taos, "create table t9 using meters tags(9);");
taos_free_result(result);
result = taos_query_with_reqid(taos,
"insert into t0 values('2020-01-01 00:00:00.000', 0)"
" ('2020-01-01 00:01:00.000', 0)"
" ('2020-01-01 00:02:00.000', 0)"
" t1 values('2020-01-01 00:00:00.000', 0)"
" ('2020-01-01 00:01:00.000', 0)"
" ('2020-01-01 00:02:00.000', 0)"
" ('2020-01-01 00:03:00.000', 0)"
" t2 values('2020-01-01 00:00:00.000', 0)"
" ('2020-01-01 00:01:00.000', 0)"
" ('2020-01-01 00:01:01.000', 0)"
" ('2020-01-01 00:01:02.000', 0)"
" t3 values('2020-01-01 00:01:02.000', 0)"
" t4 values('2020-01-01 00:01:02.000', 0)"
" t5 values('2020-01-01 00:01:02.000', 0)"
" t6 values('2020-01-01 00:01:02.000', 0)"
" t7 values('2020-01-01 00:01:02.000', 0)"
" t8 values('2020-01-01 00:01:02.000', 0)"
" t9 values('2020-01-01 00:01:02.000', 0)",
genReqid());
int affected = taos_affected_rows(result);
if (affected != 18) {
printf("\033[31m%d rows affected by last insert statement, but it should be 18\033[0m\n", affected);
}
taos_free_result(result);
// super tables subscription
usleep(1000000);
}
static int print_result(TAOS_RES* res, int blockFetch) {
TAOS_ROW row = NULL;
int num_fields = taos_num_fields(res);
TAOS_FIELD* fields = taos_fetch_fields(res);
int nRows = 0;
if (blockFetch) {
int rows = 0;
while ((rows = taos_fetch_block(res, &row))) {
// for (int i = 0; i < rows; i++) {
// char temp[256];
// taos_print_row(temp, row + i, fields, num_fields);
// puts(temp);
// }
nRows += rows;
}
} else {
while ((row = taos_fetch_row(res))) {
char temp[256] = {0};
taos_print_row(temp, row, fields, num_fields);
puts(temp);
nRows++;
}
}
printf("%d rows consumed.\n", nRows);
return nRows;
}
static void check_row_count(int line, TAOS_RES* res, int expected) {
int actual = print_result(res, expected % 2);
if (actual != expected) {
printf("\033[31mline %d: row count mismatch, expected: %d, actual: %d\033[0m\n", line, expected, actual);
} else {
printf("line %d: %d rows consumed as expected\n", line, actual);
}
}
static void verify_query(TAOS* taos) {
prepare_data(taos);
int code = taos_load_table_info(taos, "t0,t1,t2,t3,t4,t5,t6,t7,t8,t9");
if (code != 0) {
printf("\033[31mfailed to load table info: 0x%08x\033[0m\n", code);
}
code = taos_validate_sql(taos, "select * from nonexisttable");
if (code == 0) {
printf("\033[31mimpossible, the table does not exists\033[0m\n");
}
code = taos_validate_sql(taos, "select * from meters");
if (code != 0) {
printf("\033[31mimpossible, the table does exists: 0x%08x\033[0m\n", code);
}
TAOS_RES* res = taos_query_with_reqid(taos, "select * from meters", genReqid());
check_row_count(__LINE__, res, 18);
printf("result precision is: %d\n", taos_result_precision(res));
int c = taos_field_count(res);
printf("field count is: %d\n", c);
int* lengths = taos_fetch_lengths(res);
for (int i = 0; i < c; i++) {
printf("length of column %d is %d\n", i, lengths[i]);
}
taos_free_result(res);
res = taos_query_with_reqid(taos, "select * from t0", genReqid());
check_row_count(__LINE__, res, 3);
taos_free_result(res);
res = taos_query_with_reqid(taos, "select * from nonexisttable", genReqid());
code = taos_errno(res);
printf("code=%d, error msg=%s\n", code, taos_errstr(res));
taos_free_result(res);
res = taos_query_with_reqid(taos, "select * from meters", genReqid());
taos_stop_query(res);
taos_free_result(res);
}
void retrieve_callback(void* param, TAOS_RES* tres, int numOfRows) {
if (numOfRows > 0) {
printf("%d rows async retrieved\n", numOfRows);
taos_fetch_rows_a(tres, retrieve_callback, param);
} else {
if (numOfRows < 0) {
printf("\033[31masync retrieve failed, code: %d\033[0m\n", numOfRows);
} else {
printf("async retrieve completed\n");
}
taos_free_result(tres);
}
}
void select_callback(void* param, TAOS_RES* tres, int code) {
if (code == 0 && tres) {
taos_fetch_rows_a(tres, retrieve_callback, param);
} else {
printf("\033[31masync select failed, code: %d\033[0m\n", code);
}
}
void verify_async(TAOS* taos) {
prepare_data(taos);
taos_query_a_with_reqid(taos, "select * from meters", select_callback, NULL, genReqid());
usleep(1000000);
}
int32_t verify_schema_less(TAOS* taos) {
TAOS_RES* result;
result = taos_query_with_reqid(taos, "drop database if exists test;", genReqid());
taos_free_result(result);
usleep(100000);
result = taos_query_with_reqid(taos, "create database test precision 'us' update 1;", genReqid());
taos_free_result(result);
usleep(100000);
taos_select_db(taos, "test");
result = taos_query_with_reqid(taos, "create stable ste(ts timestamp, f int) tags(t1 bigint)", genReqid());
taos_free_result(result);
usleep(100000);
int code = 0;
char* lines[] = {
"st,t1=3i64,t2=4f64,t3=\"t3\" c1=3i64,c3=L\"passit\",c2=false,c4=4f64 1626006833639000000ns",
"st,t1=4i64,t3=\"t4\",t2=5f64,t4=5f64 c1=3i64,c3=L\"passitagin\",c2=true,c4=5f64,c5=5f64 1626006833640000000ns",
"ste,t2=5f64,t3=L\"ste\" c1=true,c2=4i64,c3=\"iam\" 1626056811823316532ns",
"st,t1=4i64,t2=5f64,t3=\"t4\" c1=3i64,c3=L\"passitagain\",c2=true,c4=5f64 1626006833642000000ns",
"ste,t2=5f64,t3=L\"ste2\" c3=\"iamszhou\",c4=false 1626056811843316532ns",
"ste,t2=5f64,t3=L\"ste2\" c3=\"iamszhou\",c4=false,c5=32i8,c6=64i16,c7=32i32,c8=88.88f32 1626056812843316532ns",
"st,t1=4i64,t3=\"t4\",t2=5f64,t4=5f64 c1=3i64,c3=L\"passitagin\",c2=true,c4=5f64,c5=5f64,c6=7u64 "
"1626006933640000000ns",
"stf,t1=4i64,t3=\"t4\",t2=5f64,t4=5f64 c1=3i64,c3=L\"passitagin\",c2=true,c4=5f64,c5=5f64,c6=7u64 "
"1626006933640000000ns",
"stf,t1=4i64,t3=\"t4\",t2=5f64,t4=5f64 c1=3i64,c3=L\"passitagin_stf\",c2=false,c5=5f64,c6=7u64 "
"1626006933641000000ns"};
taos_select_db(taos, "test");
TAOS_RES* res = taos_schemaless_insert_with_reqid(taos, lines, sizeof(lines) / sizeof(char*), TSDB_SML_LINE_PROTOCOL,
TSDB_SML_TIMESTAMP_NOT_CONFIGURED, genReqid());
if (taos_errno(res) != 0) {
printf("failed to insert schema-less data, reason: %s\n", taos_errstr(res));
} else {
int affectedRow = taos_affected_rows(res);
printf("successfully inserted %d rows\n", affectedRow);
}
taos_free_result(res);
return (code);
}
void veriry_stmt(TAOS* taos) {
TAOS_RES* result = taos_query(taos, "drop database if exists test;");
taos_free_result(result);
usleep(100000);
result = taos_query(taos, "create database test;");
int code = taos_errno(result);
if (code != 0) {
printf("\033[31mfailed to create database, reason:%s\033[0m\n", taos_errstr(result));
taos_free_result(result);
return;
}
taos_free_result(result);
usleep(100000);
taos_select_db(taos, "test");
// create table
const char* sql =
"create table m1 (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin "
"binary(40), blob nchar(10))";
result = taos_query(taos, sql);
code = taos_errno(result);
if (code != 0) {
printf("\033[31mfailed to create table, reason:%s\033[0m\n", taos_errstr(result));
taos_free_result(result);
return;
}
taos_free_result(result);
// insert 10 records
struct {
int64_t ts[10];
int8_t b[10];
int8_t v1[10];
int16_t v2[10];
int32_t v4[10];
int64_t v8[10];
float f4[10];
double f8[10];
char bin[10][40];
char blob[10][80];
} v;
int32_t* t8_len = malloc(sizeof(int32_t) * 10);
int32_t* t16_len = malloc(sizeof(int32_t) * 10);
int32_t* t32_len = malloc(sizeof(int32_t) * 10);
int32_t* t64_len = malloc(sizeof(int32_t) * 10);
int32_t* float_len = malloc(sizeof(int32_t) * 10);
int32_t* double_len = malloc(sizeof(int32_t) * 10);
int32_t* bin_len = malloc(sizeof(int32_t) * 10);
int32_t* blob_len = malloc(sizeof(int32_t) * 10);
TAOS_STMT* stmt = taos_stmt_init(taos);
TAOS_MULTI_BIND params[10];
char is_null[10] = {0};
params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
params[0].buffer_length = sizeof(v.ts[0]);
params[0].buffer = v.ts;
params[0].length = t64_len;
params[0].is_null = is_null;
params[0].num = 10;
params[1].buffer_type = TSDB_DATA_TYPE_BOOL;
params[1].buffer_length = sizeof(v.b[0]);
params[1].buffer = v.b;
params[1].length = t8_len;
params[1].is_null = is_null;
params[1].num = 10;
params[2].buffer_type = TSDB_DATA_TYPE_TINYINT;
params[2].buffer_length = sizeof(v.v1[0]);
params[2].buffer = v.v1;
params[2].length = t8_len;
params[2].is_null = is_null;
params[2].num = 10;
params[3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
params[3].buffer_length = sizeof(v.v2[0]);
params[3].buffer = v.v2;
params[3].length = t16_len;
params[3].is_null = is_null;
params[3].num = 10;
params[4].buffer_type = TSDB_DATA_TYPE_INT;
params[4].buffer_length = sizeof(v.v4[0]);
params[4].buffer = v.v4;
params[4].length = t32_len;
params[4].is_null = is_null;
params[4].num = 10;
params[5].buffer_type = TSDB_DATA_TYPE_BIGINT;
params[5].buffer_length = sizeof(v.v8[0]);
params[5].buffer = v.v8;
params[5].length = t64_len;
params[5].is_null = is_null;
params[5].num = 10;
params[6].buffer_type = TSDB_DATA_TYPE_FLOAT;
params[6].buffer_length = sizeof(v.f4[0]);
params[6].buffer = v.f4;
params[6].length = float_len;
params[6].is_null = is_null;
params[6].num = 10;
params[7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
params[7].buffer_length = sizeof(v.f8[0]);
params[7].buffer = v.f8;
params[7].length = double_len;
params[7].is_null = is_null;
params[7].num = 10;
params[8].buffer_type = TSDB_DATA_TYPE_BINARY;
params[8].buffer_length = sizeof(v.bin[0]);
params[8].buffer = v.bin;
params[8].length = bin_len;
params[8].is_null = is_null;
params[8].num = 10;
params[9].buffer_type = TSDB_DATA_TYPE_NCHAR;
params[9].buffer_length = sizeof(v.blob[0]);
params[9].buffer = v.blob;
params[9].length = blob_len;
params[9].is_null = is_null;
params[9].num = 10;
sql = "insert into ? (ts, b, v1, v2, v4, v8, f4, f8, bin, blob) values(?,?,?,?,?,?,?,?,?,?)";
code = taos_stmt_prepare(stmt, sql, 0);
if (code != 0) {
printf("\033[31mfailed to execute taos_stmt_prepare. error:%s\033[0m\n", taos_stmt_errstr(stmt));
taos_stmt_close(stmt);
return;
}
code = taos_stmt_set_tbname(stmt, "m1");
if (code != 0) {
printf("\033[31mfailed to execute taos_stmt_prepare. error:%s\033[0m\n", taos_stmt_errstr(stmt));
taos_stmt_close(stmt);
return;
}
int64_t ts = 1591060628000;
for (int i = 0; i < 10; ++i) {
v.ts[i] = ts++;
is_null[i] = 0;
v.b[i] = (int8_t)i % 2;
v.v1[i] = (int8_t)i;
v.v2[i] = (int16_t)(i * 2);
v.v4[i] = (int32_t)(i * 4);
v.v8[i] = (int64_t)(i * 8);
v.f4[i] = (float)(i * 40);
v.f8[i] = (double)(i * 80);
for (int j = 0; j < sizeof(v.bin[0]); ++j) {
v.bin[i][j] = (char)(i + '0');
}
strcpy(v.blob[i], "一二三四五六七八九十");
t8_len[i] = sizeof(int8_t);
t16_len[i] = sizeof(int16_t);
t32_len[i] = sizeof(int32_t);
t64_len[i] = sizeof(int64_t);
float_len[i] = sizeof(float);
double_len[i] = sizeof(double);
bin_len[i] = sizeof(v.bin[0]);
blob_len[i] = (int32_t)strlen(v.blob[i]);
}
taos_stmt_bind_param_batch(stmt, params);
taos_stmt_add_batch(stmt);
if (taos_stmt_execute(stmt) != 0) {
printf("\033[31mfailed to execute insert statement.error:%s\033[0m\n", taos_stmt_errstr(stmt));
taos_stmt_close(stmt);
return;
}
taos_stmt_close(stmt);
free(t8_len);
free(t16_len);
free(t32_len);
free(t64_len);
free(float_len);
free(double_len);
free(bin_len);
free(blob_len);
}
int main(int argc, char* argv[]) {
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);
}
printf("************ verify schema-less *************\n");
verify_schema_less(taos);
printf("************ verify query *************\n");
verify_query(taos);
printf("********* verify async query **********\n");
verify_async(taos);
printf("********* verify stmt query **********\n");
veriry_stmt(taos);
printf("done\n");
taos_close(taos);
taos_cleanup();
}
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