add prepare APIs
This commit is contained in:
dapan1121
parent
5789abb8be
commit
54f4c61c6a
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@ -404,6 +404,471 @@ void verify_prepare(TAOS* taos) {
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taos_stmt_close(stmt);
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}
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void verify_prepare2(TAOS* taos) {
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TAOS_RES* result = taos_query(taos, "drop database if exists test;");
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taos_free_result(result);
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usleep(100000);
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result = taos_query(taos, "create database test;");
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int code = taos_errno(result);
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if (code != 0) {
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printf("\033[31mfailed to create database, reason:%s\033[0m\n", taos_errstr(result));
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taos_free_result(result);
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return;
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}
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taos_free_result(result);
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usleep(100000);
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taos_select_db(taos, "test");
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// create table
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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))";
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result = taos_query(taos, sql);
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code = taos_errno(result);
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if (code != 0) {
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printf("\033[31mfailed to create table, reason:%s\033[0m\n", taos_errstr(result));
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taos_free_result(result);
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return;
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}
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taos_free_result(result);
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// insert 10 records
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struct {
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int64_t ts[10];
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int8_t b[10];
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int8_t v1[10];
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int16_t v2[10];
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int32_t v4[10];
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int64_t v8[10];
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float f4[10];
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double f8[10];
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char bin[10][40];
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char blob[10][80];
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} v = {0};
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int32_t *t8_len = malloc(sizeof(int32_t) * 10);
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int32_t *t16_len = malloc(sizeof(int32_t) * 10);
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int32_t *t32_len = malloc(sizeof(int32_t) * 10);
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int32_t *t64_len = malloc(sizeof(int32_t) * 10);
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int32_t *float_len = malloc(sizeof(int32_t) * 10);
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int32_t *double_len = malloc(sizeof(int32_t) * 10);
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int32_t *bin_len = malloc(sizeof(int32_t) * 10);
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int32_t *blob_len = malloc(sizeof(int32_t) * 10);
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TAOS_STMT* stmt = taos_stmt_init(taos);
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TAOS_MULTI_BIND params[10];
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char is_null[10] = {0};
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params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
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params[0].buffer_length = sizeof(v.ts[0]);
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params[0].buffer = v.ts;
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params[0].length = t64_len;
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params[0].is_null = is_null;
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params[0].num = 10;
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params[1].buffer_type = TSDB_DATA_TYPE_BOOL;
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params[1].buffer_length = sizeof(v.b[0]);
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params[1].buffer = v.b;
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params[1].length = t8_len;
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params[1].is_null = is_null;
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params[1].num = 10;
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params[2].buffer_type = TSDB_DATA_TYPE_TINYINT;
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params[2].buffer_length = sizeof(v.v1[0]);
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params[2].buffer = v.v1;
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params[2].length = t8_len;
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params[2].is_null = is_null;
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params[2].num = 10;
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params[3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
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params[3].buffer_length = sizeof(v.v2[0]);
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params[3].buffer = v.v2;
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params[3].length = t16_len;
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params[3].is_null = is_null;
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params[3].num = 10;
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params[4].buffer_type = TSDB_DATA_TYPE_INT;
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params[4].buffer_length = sizeof(v.v4[0]);
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params[4].buffer = v.v4;
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params[4].length = t32_len;
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params[4].is_null = is_null;
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params[4].num = 10;
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params[5].buffer_type = TSDB_DATA_TYPE_BIGINT;
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params[5].buffer_length = sizeof(v.v8[0]);
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params[5].buffer = v.v8;
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params[5].length = t64_len;
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params[5].is_null = is_null;
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params[5].num = 10;
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params[6].buffer_type = TSDB_DATA_TYPE_FLOAT;
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params[6].buffer_length = sizeof(v.f4[0]);
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params[6].buffer = v.f4;
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params[6].length = float_len;
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params[6].is_null = is_null;
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params[6].num = 10;
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params[7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
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params[7].buffer_length = sizeof(v.f8[0]);
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params[7].buffer = v.f8;
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params[7].length = double_len;
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params[7].is_null = is_null;
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params[7].num = 10;
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params[8].buffer_type = TSDB_DATA_TYPE_BINARY;
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params[8].buffer_length = sizeof(v.bin[0]);
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params[8].buffer = v.bin;
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params[8].length = bin_len;
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params[8].is_null = is_null;
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params[8].num = 10;
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params[9].buffer_type = TSDB_DATA_TYPE_NCHAR;
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params[9].buffer_length = sizeof(v.blob[0]);
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params[9].buffer = v.blob;
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params[9].length = blob_len;
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params[9].is_null = is_null;
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params[9].num = 10;
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sql = "insert into ? values(?,?,?,?,?,?,?,?,?,?)";
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code = taos_stmt_prepare(stmt, sql, 0);
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if (code != 0){
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printf("\033[31mfailed to execute taos_stmt_prepare. code:0x%x\033[0m\n", code);
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}
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code = taos_stmt_set_tbname(stmt, "m1");
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if (code != 0){
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printf("\033[31mfailed to execute taos_stmt_prepare. code:0x%x\033[0m\n", code);
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}
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int64_t ts = 1591060628000;
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for (int i = 0; i < 10; ++i) {
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v.ts[i] = ts++;
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is_null[i] = 0;
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v.b[i] = (int8_t)i % 2;
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v.v1[i] = (int8_t)i;
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v.v2[i] = (int16_t)(i * 2);
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v.v4[i] = (int32_t)(i * 4);
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v.v8[i] = (int64_t)(i * 8);
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v.f4[i] = (float)(i * 40);
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v.f8[i] = (double)(i * 80);
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for (int j = 0; j < sizeof(v.bin[0]) - 1; ++j) {
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v.bin[i][j] = (char)(i + '0');
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}
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strcpy(v.blob[i], "一二三四五六七八九十");
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t8_len[i] = sizeof(int8_t);
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t16_len[i] = sizeof(int16_t);
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t32_len[i] = sizeof(int32_t);
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t64_len[i] = sizeof(int64_t);
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float_len[i] = sizeof(float);
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double_len[i] = sizeof(double);
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bin_len[i] = sizeof(v.bin[0]);
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blob_len[i] = (int32_t)strlen(v.blob[i]);
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}
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taos_stmt_bind_param_batch(stmt, params);
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taos_stmt_add_batch(stmt);
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if (taos_stmt_execute(stmt) != 0) {
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printf("\033[31mfailed to execute insert statement.\033[0m\n");
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return;
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}
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taos_stmt_close(stmt);
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// query the records
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stmt = taos_stmt_init(taos);
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taos_stmt_prepare(stmt, "SELECT * FROM m1 WHERE v1 > ? AND v2 < ?", 0);
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TAOS_BIND qparams[2];
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int8_t v1 = 5;
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int16_t v2 = 15;
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qparams[0].buffer_type = TSDB_DATA_TYPE_TINYINT;
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qparams[0].buffer_length = sizeof(v1);
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qparams[0].buffer = &v1;
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qparams[0].length = &qparams[0].buffer_length;
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qparams[0].is_null = NULL;
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qparams[1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
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qparams[1].buffer_length = sizeof(v2);
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qparams[1].buffer = &v2;
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qparams[1].length = &qparams[1].buffer_length;
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qparams[1].is_null = NULL;
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taos_stmt_bind_param(stmt, qparams);
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if (taos_stmt_execute(stmt) != 0) {
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printf("\033[31mfailed to execute select statement.\033[0m\n");
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return;
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}
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result = taos_stmt_use_result(stmt);
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TAOS_ROW row;
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int rows = 0;
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int num_fields = taos_num_fields(result);
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TAOS_FIELD *fields = taos_fetch_fields(result);
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char temp[256];
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// fetch the records row by row
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while ((row = taos_fetch_row(result))) {
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rows++;
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taos_print_row(temp, row, fields, num_fields);
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printf("%s\n", temp);
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}
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taos_free_result(result);
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taos_stmt_close(stmt);
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}
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void verify_prepare3(TAOS* taos) {
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TAOS_RES* result = taos_query(taos, "drop database if exists test;");
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taos_free_result(result);
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usleep(100000);
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result = taos_query(taos, "create database test;");
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int code = taos_errno(result);
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if (code != 0) {
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printf("\033[31mfailed to create database, reason:%s\033[0m\n", taos_errstr(result));
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taos_free_result(result);
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return;
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}
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taos_free_result(result);
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usleep(100000);
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taos_select_db(taos, "test");
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// create table
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const char* sql = "create stable st1 (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin binary(40), blob nchar(10)) tags (id1 int, id2 binary(40))";
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result = taos_query(taos, sql);
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code = taos_errno(result);
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if (code != 0) {
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printf("\033[31mfailed to create table, reason:%s\033[0m\n", taos_errstr(result));
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taos_free_result(result);
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return;
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}
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taos_free_result(result);
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TAOS_BIND tags[2];
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int32_t id1 = 1;
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char id2[40] = "abcdefghijklmnopqrstuvwxyz0123456789";
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uintptr_t id2_len = strlen(id2);
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tags[0].buffer_type = TSDB_DATA_TYPE_INT;
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tags[0].buffer_length = sizeof(int);
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tags[0].buffer = &id1;
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tags[0].length = NULL;
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tags[0].is_null = NULL;
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tags[1].buffer_type = TSDB_DATA_TYPE_BINARY;
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tags[1].buffer_length = sizeof(id2);
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tags[1].buffer = id2;
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tags[1].length = &id2_len;
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tags[1].is_null = NULL;
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// insert 10 records
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struct {
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int64_t ts[10];
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int8_t b[10];
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int8_t v1[10];
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int16_t v2[10];
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int32_t v4[10];
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int64_t v8[10];
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float f4[10];
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double f8[10];
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char bin[10][40];
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char blob[10][80];
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} v = {0};
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int32_t *t8_len = malloc(sizeof(int32_t) * 10);
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int32_t *t16_len = malloc(sizeof(int32_t) * 10);
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int32_t *t32_len = malloc(sizeof(int32_t) * 10);
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int32_t *t64_len = malloc(sizeof(int32_t) * 10);
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int32_t *float_len = malloc(sizeof(int32_t) * 10);
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int32_t *double_len = malloc(sizeof(int32_t) * 10);
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int32_t *bin_len = malloc(sizeof(int32_t) * 10);
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int32_t *blob_len = malloc(sizeof(int32_t) * 10);
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TAOS_STMT* stmt = taos_stmt_init(taos);
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TAOS_MULTI_BIND params[10];
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char is_null[10] = {0};
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params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
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params[0].buffer_length = sizeof(v.ts[0]);
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params[0].buffer = v.ts;
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params[0].length = t64_len;
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params[0].is_null = is_null;
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params[0].num = 10;
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params[1].buffer_type = TSDB_DATA_TYPE_BOOL;
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params[1].buffer_length = sizeof(v.b[0]);
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params[1].buffer = v.b;
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params[1].length = t8_len;
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params[1].is_null = is_null;
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params[1].num = 10;
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params[2].buffer_type = TSDB_DATA_TYPE_TINYINT;
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params[2].buffer_length = sizeof(v.v1[0]);
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params[2].buffer = v.v1;
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params[2].length = t8_len;
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params[2].is_null = is_null;
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params[2].num = 10;
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params[3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
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params[3].buffer_length = sizeof(v.v2[0]);
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params[3].buffer = v.v2;
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params[3].length = t16_len;
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params[3].is_null = is_null;
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params[3].num = 10;
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params[4].buffer_type = TSDB_DATA_TYPE_INT;
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params[4].buffer_length = sizeof(v.v4[0]);
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params[4].buffer = v.v4;
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params[4].length = t32_len;
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params[4].is_null = is_null;
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params[4].num = 10;
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params[5].buffer_type = TSDB_DATA_TYPE_BIGINT;
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params[5].buffer_length = sizeof(v.v8[0]);
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params[5].buffer = v.v8;
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params[5].length = t64_len;
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params[5].is_null = is_null;
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params[5].num = 10;
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params[6].buffer_type = TSDB_DATA_TYPE_FLOAT;
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params[6].buffer_length = sizeof(v.f4[0]);
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params[6].buffer = v.f4;
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params[6].length = float_len;
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params[6].is_null = is_null;
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params[6].num = 10;
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params[7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
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params[7].buffer_length = sizeof(v.f8[0]);
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params[7].buffer = v.f8;
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params[7].length = double_len;
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params[7].is_null = is_null;
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params[7].num = 10;
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params[8].buffer_type = TSDB_DATA_TYPE_BINARY;
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params[8].buffer_length = sizeof(v.bin[0]);
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params[8].buffer = v.bin;
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params[8].length = bin_len;
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params[8].is_null = is_null;
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params[8].num = 10;
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params[9].buffer_type = TSDB_DATA_TYPE_NCHAR;
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params[9].buffer_length = sizeof(v.blob[0]);
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params[9].buffer = v.blob;
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params[9].length = blob_len;
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params[9].is_null = is_null;
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params[9].num = 10;
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sql = "insert into ? using st1 tags(?,?) values(?,?,?,?,?,?,?,?,?,?)";
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code = taos_stmt_prepare(stmt, sql, 0);
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if (code != 0){
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printf("\033[31mfailed to execute taos_stmt_prepare. code:0x%x\033[0m\n", code);
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}
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code = taos_stmt_set_tbname_tags(stmt, "m1", tags);
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if (code != 0){
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printf("\033[31mfailed to execute taos_stmt_prepare. code:0x%x\033[0m\n", code);
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}
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int64_t ts = 1591060628000;
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for (int i = 0; i < 10; ++i) {
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v.ts[i] = ts++;
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is_null[i] = 0;
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v.b[i] = (int8_t)i % 2;
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v.v1[i] = (int8_t)i;
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v.v2[i] = (int16_t)(i * 2);
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v.v4[i] = (int32_t)(i * 4);
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v.v8[i] = (int64_t)(i * 8);
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v.f4[i] = (float)(i * 40);
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v.f8[i] = (double)(i * 80);
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for (int j = 0; j < sizeof(v.bin[0]) - 1; ++j) {
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v.bin[i][j] = (char)(i + '0');
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}
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strcpy(v.blob[i], "一二三四五六七八九十");
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t8_len[i] = sizeof(int8_t);
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t16_len[i] = sizeof(int16_t);
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t32_len[i] = sizeof(int32_t);
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t64_len[i] = sizeof(int64_t);
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float_len[i] = sizeof(float);
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double_len[i] = sizeof(double);
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bin_len[i] = sizeof(v.bin[0]);
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blob_len[i] = (int32_t)strlen(v.blob[i]);
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}
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taos_stmt_bind_param_batch(stmt, params);
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taos_stmt_add_batch(stmt);
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if (taos_stmt_execute(stmt) != 0) {
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printf("\033[31mfailed to execute insert statement.\033[0m\n");
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return;
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}
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taos_stmt_close(stmt);
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// query the records
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stmt = taos_stmt_init(taos);
|
||||
taos_stmt_prepare(stmt, "SELECT * FROM m1 WHERE v1 > ? AND v2 < ?", 0);
|
||||
|
||||
TAOS_BIND qparams[2];
|
||||
|
||||
int8_t v1 = 5;
|
||||
int16_t v2 = 15;
|
||||
qparams[0].buffer_type = TSDB_DATA_TYPE_TINYINT;
|
||||
qparams[0].buffer_length = sizeof(v1);
|
||||
qparams[0].buffer = &v1;
|
||||
qparams[0].length = &qparams[0].buffer_length;
|
||||
qparams[0].is_null = NULL;
|
||||
|
||||
qparams[1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
|
||||
qparams[1].buffer_length = sizeof(v2);
|
||||
qparams[1].buffer = &v2;
|
||||
qparams[1].length = &qparams[1].buffer_length;
|
||||
qparams[1].is_null = NULL;
|
||||
|
||||
taos_stmt_bind_param(stmt, qparams);
|
||||
if (taos_stmt_execute(stmt) != 0) {
|
||||
printf("\033[31mfailed to execute select statement.\033[0m\n");
|
||||
return;
|
||||
}
|
||||
|
||||
result = taos_stmt_use_result(stmt);
|
||||
|
||||
TAOS_ROW row;
|
||||
int rows = 0;
|
||||
int num_fields = taos_num_fields(result);
|
||||
TAOS_FIELD *fields = taos_fetch_fields(result);
|
||||
char temp[256];
|
||||
|
||||
// fetch the records row by row
|
||||
while ((row = taos_fetch_row(result))) {
|
||||
rows++;
|
||||
taos_print_row(temp, row, fields, num_fields);
|
||||
printf("%s\n", temp);
|
||||
}
|
||||
|
||||
taos_free_result(result);
|
||||
taos_stmt_close(stmt);
|
||||
}
|
||||
|
||||
|
||||
|
||||
void retrieve_callback(void *param, TAOS_RES *tres, int numOfRows)
|
||||
{
|
||||
if (numOfRows > 0) {
|
||||
|
|
@ -482,7 +947,7 @@ int main(int argc, char *argv[]) {
|
|||
printf("server info: %s\n", info);
|
||||
info = taos_get_client_info(taos);
|
||||
printf("client info: %s\n", info);
|
||||
|
||||
#if 0
|
||||
printf("************ verify query *************\n");
|
||||
verify_query(taos);
|
||||
|
||||
|
|
@ -491,14 +956,24 @@ int main(int argc, char *argv[]) {
|
|||
|
||||
printf("*********** verify subscribe ************\n");
|
||||
verify_subscribe(taos);
|
||||
#endif
|
||||
|
||||
printf("************ verify prepare *************\n");
|
||||
verify_prepare(taos);
|
||||
|
||||
|
||||
printf("************ verify prepare2 *************\n");
|
||||
verify_prepare2(taos);
|
||||
|
||||
printf("************ verify prepare3 *************\n");
|
||||
verify_prepare3(taos);
|
||||
|
||||
#if 0
|
||||
|
||||
printf("************ verify stream *************\n");
|
||||
verify_stream(taos);
|
||||
printf("done\n");
|
||||
|
||||
#endif
|
||||
taos_close(taos);
|
||||
taos_cleanup();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue