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550 lines
22 KiB
550 lines
22 KiB
/**
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* @file test_clickhouse_server-t.cpp
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* @brief Test to perform multiple operations over ProxySQL Clickhouse server.
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* @details It performs the following operations:
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* - Connects to clickhouse with a wrong username.
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* - Connects to clickhouse with a right username but wrong password.
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* - Successfully connects to clickhouse and runs several queries.
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* + SHOW SCHEMAS
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* + SHOW DATABASES
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* + SELECT DATABASE()
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* - Successfully connects to clickhouse and runs a variety of queries:
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* + CREATE TABLE, SHOW CREATE TABLE, INSERT, SELECT, DROP TABLE...
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* + Queries that induce errors: syntax error, duplicate keys, etc...
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* - Changes 'clickhouse-mysql_ifaces' and tries to connect to the new interface.
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* - Connects to ProxySQL Admin and performs the following operations:
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* + LOAD|SAVE SQLITESERVER TO|FROM RUNTIME|MEMORY|DISK
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* - This test is also compiled against 'libmysqlclient' resulting in the binary
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* 'test_clickhouse_server_libmysql-t'. This duplicate test exists for testing 'deprecate_eof' support
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* against ProxySQL ClickHouse server.
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*
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*/
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#include <cstring>
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#include <vector>
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#include <tuple>
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#include <string>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <mysql.h>
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#include <mysql/mysqld_error.h>
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#include "tap.h"
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#include "command_line.h"
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#include "utils.h"
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using query_spec = std::tuple<std::string, int, int>;
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const int proxysql_clickhouse_port = 6090;
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const int crash_loops = 4;
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#include "modules_server_test.h"
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int fetch_and_discard_results(MYSQL_RES* result, bool verbose=false);
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std::vector<std::pair<std::string,std::string>> credentials = {
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{"cliuser1", "clipass1"},
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{"cliuser2", "clipass2"},
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{"cliuser3", "clipass3"},
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{"cliuser4", "clipass4"}
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};
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int set_clickhouse_port(MYSQL *pa, int p) {
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std::string query = "SET clickhouse-port=" + std::to_string(p);
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diag("Line: %d . Setting clickhouse-port to %d", __LINE__ , p);
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MYSQL_QUERY(pa, query.c_str());
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MYSQL_QUERY(pa, "LOAD CLICKHOUSE VARIABLES TO RUNTIME");
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return 0;
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}
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int test_crash(const char *host, int port) {
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// try to connect and run queries while there is no backend
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for (int i=0; i<crash_loops; i++) {
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MYSQL * proxysql_clickhouse = mysql_init(NULL);
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diag("Line: %d . Create connection %d in test_cash()", __LINE__ , i);
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// Correctly connect to Clickhouse server
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if (
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!mysql_real_connect(
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proxysql_clickhouse, host, credentials[2].first.c_str(), credentials[2].second.c_str(),
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NULL, port, NULL, 0
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)
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) {
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diag("File %s, line %d, Error: %s\n", __FILE__, __LINE__, mysql_error(proxysql_clickhouse));
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return exit_status();
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}
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char * q = (char *)"SELECT 1";
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int query_err = mysql_query(proxysql_clickhouse, q);
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MYSQL_RES * result = mysql_store_result(proxysql_clickhouse);
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if (result) {
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fetch_and_discard_results(result, false);
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mysql_free_result(result);
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} else {
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diag("Line %d : Query failed: %s . Error: %s", __LINE__, q, mysql_error(proxysql_clickhouse));
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}
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ok(query_err!=0, "Query should fail when the backend is not connected");
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mysql_close(proxysql_clickhouse);
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}
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return 0;
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}
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int create_users(MYSQL *pa) {
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diag("Emptying clickhouse_users table");
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MYSQL_QUERY(pa, "DELETE FROM clickhouse_users");
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diag("Emptying runtime_clickhouse_users table");
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MYSQL_QUERY(pa, "LOAD CLICKHOUSE USERS TO RUNTIME");
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int query_err;
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MYSQL_RES *result;
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char *q;
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q = (char *)"SELECT * FROM clickhouse_users";
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query_err = mysql_query(pa, q);
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result = mysql_store_result(pa);
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if (result) {
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int j = fetch_and_discard_results(result, true);
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mysql_free_result(result);
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ok(j==0, "Line %d : Rows in clickhouse_users should be 0. Actual: %d" , __LINE__, j);
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} else {
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ok(false,"Line %d : Query failed: %s . Error: %s", __LINE__, q, mysql_error(pa));
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return exit_status();
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}
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q = (char *)"SELECT * FROM runtime_clickhouse_users";
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query_err = mysql_query(pa, q);
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result = mysql_store_result(pa);
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if (result) {
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int j = fetch_and_discard_results(result, true);
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mysql_free_result(result);
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ok(j==0, "Line %d : Rows in clickhouse_users should be 0. Actual: %d" , __LINE__, j);
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} else {
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ok(false,"Line %d : Query failed: %s . Error: %s", __LINE__, q, mysql_error(pa));
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return exit_status();
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}
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for(std::vector<std::pair<std::string,std::string>>::iterator it = credentials.begin(); it!=credentials.end(); it++) {
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std::string query = "INSERT INTO clickhouse_users VALUES ('" + it->first + "', '" + it->second + "', 1, 100)";
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diag("Adding user %s : %s", it->first.c_str(), query.c_str());
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MYSQL_QUERY(pa, query.c_str());
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}
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q = (char *)"SELECT * FROM clickhouse_users";
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query_err = mysql_query(pa, q);
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result = mysql_store_result(pa);
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if (result) {
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int j = fetch_and_discard_results(result, true);
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mysql_free_result(result);
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ok(j==4, "Line %d : Rows in clickhouse_users should be 4. Actual: %d" , __LINE__, j);
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} else {
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ok(false,"Line %d : Query failed: %s . Error: %s", __LINE__, q, mysql_error(pa));
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return exit_status();
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}
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diag("Loading clickhouse_users to runtime");
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MYSQL_QUERY(pa, "LOAD CLICKHOUSE USERS TO RUNTIME");
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q = (char *)"SELECT * FROM runtime_clickhouse_users";
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query_err = mysql_query(pa, q);
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result = mysql_store_result(pa);
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if (result) {
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int j = fetch_and_discard_results(result, true);
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mysql_free_result(result);
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ok(j==4, "Line %d : Rows in clickhouse_users should be 4. Actual: %d" , __LINE__, j);
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} else {
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ok(false,"Line %d : Query failed: %s . Error: %s", __LINE__, q, mysql_error(pa));
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return exit_status();
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}
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return 0;
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}
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int fetch_and_discard_results(MYSQL_RES* result, bool verbose) {
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MYSQL_ROW row = nullptr;
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unsigned int num_fields = 0;
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unsigned int i = 0;
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unsigned int j = 0;
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num_fields = mysql_num_fields(result);
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while ((row = mysql_fetch_row(result))) {
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unsigned long *lengths = mysql_fetch_lengths(result);
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if (verbose) {
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printf("# RowNum_%d: ", j);
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}
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for(i = 0; i < num_fields; i++) {
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if (verbose) {
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printf("[%.*s] ", (int) lengths[i], row[i] ? row[i] : "NULL");
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}
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}
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if (verbose) {
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printf("\n");
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}
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j++;
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}
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return j;
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}
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/**
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* @brief Execute the supplied queries and check that the return codes are the
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* ones specified.
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*
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* @param proxysql_clickhouse An already opened MYSQL connection to ProxySQL
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* Clickhouse server.
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* @param queries The queries to be performed and check.
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*/
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int execute_and_check_queries(MYSQL* proxysql_clickhouse, const std::vector<query_spec>& queries) {
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for (const auto& supp_query : queries) {
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const std::string query = std::get<0>(supp_query);
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const int exp_err_code = std::get<1>(supp_query);
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const int exp_rows = std::get<2>(supp_query); // if >= 0 , it is a select and expects data
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diag("Line: %d . Running query: %s" , __LINE__ , query.c_str());
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int query_err = mysql_query(proxysql_clickhouse, query.c_str());
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MYSQL_RES* result = nullptr;
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// NOTE: For test compatibility with 'libmysqlclient', 'mysql_store_result' should only be called
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// in case no error is present. Otherwise would modify the error itself, thus making test fail.
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if (!query_err) {
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result = mysql_store_result(proxysql_clickhouse);
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}
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if (exp_rows >= 0 && result == NULL) {
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diag ("We were expecting %d rows, but we didn't receive a resultset", exp_rows);
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return exit_status();
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}
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if (exp_rows < 0 && result != NULL) {
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diag ("We were expecting no result, but we received a resultset");
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return exit_status();
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}
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if (result) {
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int j = fetch_and_discard_results(result, true);
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mysql_free_result(result);
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if (j != exp_rows) {
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diag ("We were expecting a result of %d rows, but we received a resultset of %d rows", exp_rows, j);
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return exit_status();
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}
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}
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int m_errno = mysql_errno(proxysql_clickhouse);
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const char* m_error = mysql_error(proxysql_clickhouse);
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if (exp_err_code == 0) {
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ok(
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exp_err_code == m_errno,
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"Line: %d . Query '%s' should succeed. Error code: (Expected:'%d' == Actual:'%d'), Err: '%s'",
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__LINE__, query.c_str(), exp_err_code, m_errno, m_error
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);
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} else {
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ok(
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exp_err_code == m_errno,
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"Line: %d . Query '%s' should fail. Error code: (Expected:'%d' == Actual:'%d'), Err: '%s'",
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__LINE__, query.c_str(), exp_err_code, m_errno, m_error
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);
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}
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}
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return 0;
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}
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std::vector<query_spec> queries_set1 {
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std::make_tuple<std::string, int>("SHOW SCHEMAS", 0, 4),
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std::make_tuple<std::string, int>("SHOW DATABASES", 0, 4),
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std::make_tuple<std::string, int>("SELECT DATABASE()", 0, 1),
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std::make_tuple<std::string, int>("SELECT USER()", 0, 1),
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std::make_tuple<std::string, int>("SELECT CURRENT_USER()", 0, 1),
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std::make_tuple<std::string, int>("SELECT VERSION()", 0, 1),
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std::make_tuple<std::string, int>("SELECT CONCAT(version(),'')", 0, 1),
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std::make_tuple<std::string, int>("SELECT 1", 0, 1),
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std::make_tuple<std::string, int>("SELECT 1+1", 0, 1),
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std::make_tuple<std::string, int>("SELECT CONCAT('AAA','BBB')", 0, 1),
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std::make_tuple<std::string, int>("SELECT NULL", 0, 1),
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std::make_tuple<std::string, int>("SELECT NULL AS a", 0, 1),
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std::make_tuple<std::string, int>("SELECT NULL+2 AS a, 'hello', NULL+1, 'world', NULL AS b", 0, 1),
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std::make_tuple<std::string, int>("SELECT CONCAT('AAA',NULL)", 0, 1),
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std::make_tuple<std::string, int>("SELECT CAST(-1234.1234, 'Decimal32(3)')", 0, 1),
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std::make_tuple<std::string, int>("SELECT CAST(1000.0, 'Decimal128(3)')", 0, 1),
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std::make_tuple<std::string, int>("DROP TABLE IF EXISTS table1", 0, -1),
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std::make_tuple<std::string, int>("CREATE TABLE table1 (CounterID INT, EventDate DATE, col1 INT) ENGINE=MergeTree(EventDate, (CounterID, EventDate), 8192)", 0, -1),
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std::make_tuple<std::string, int>("CREATE TABLE table1 (CounterID INT, EventDate DATE, col1 INT) ENGINE=MergeTree(EventDate, (CounterID, EventDate), 8192)", 1148, -1), // the second time it must fails
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std::make_tuple<std::string, int>("INSERT INTO table1 VALUES (1,NOW(),1)", 1148, -1),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT 1,NOW(),1", 0, -1),
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std::make_tuple<std::string, int>("SELECT * FROM table1", 0, 1),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT * FROM table1", 0, -1),
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std::make_tuple<std::string, int>("SELECT * FROM table1", 0, 2),
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std::make_tuple<std::string, int>("TRUNCATE TABLE table1", 1148, -1),
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std::make_tuple<std::string, int>("DROP TABLE IF EXISTS table1", 0, -1),
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std::make_tuple<std::string, int>("CREATE TABLE table1 (CounterID INT, EventDate DATE, col1 INT) ENGINE=MergeTree(EventDate, (CounterID, EventDate), 8192)", 0, -1),
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std::make_tuple<std::string, int>("SELECT * FROM table1", 0, 0),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT 1,'2022-06-23',1", 0, -1),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT 2,'2022-06-23',1", 0, -1),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT CounterID+2, '2022-06-23', 1 FROM table1", 0, -1),
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std::make_tuple<std::string, int>("SELECT * FROM table1 ORDER BY CounterID", 0, 4),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT * FROM table1", 0, -1),
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std::make_tuple<std::string, int>("INSERT INTO table1 SELECT * FROM table1", 0, -1),
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std::make_tuple<std::string, int>("SELECT CounterID, EventDate, SUM(col1) s FROM table1 GROUP BY CounterID,EventDate ORDER BY CounterID", 0, 4),
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std::make_tuple<std::string, int>("SELECT * FROM table1 t1 JOIN table1 t2 ON t1.CounterID==t2.CounterID ORDER BY t1.CounterID", 0, 64),
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std::make_tuple<std::string, int>("DESC table1", 0, 3),
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std::make_tuple<std::string, int>("SHOW COLUMNS FROM table1", 0, 3),
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std::make_tuple<std::string, int>("LOCK TABLE table1", 0, -1),
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std::make_tuple<std::string, int>("UNLOCK TABLE table1", 0, -1),
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};
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std::vector<query_spec> queries_set2 {
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std::make_tuple<std::string, int>("DROP TABLE IF EXISTS table2", 0, -1),
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std::make_tuple<std::string, int>("CREATE TABLE table2 (CounterID INT, EventDate DATE, col0 INT, col1 Nullable(INT), col2 Nullable(UInt8), col3 Nullable(UInt16), col4 Nullable(UInt32), col5 Nullable(UInt64), col6 Nullable(Float32), col7 Nullable(Float64), col8 Nullable(Enum8('hello' = 1, 'world' = 2)) , col9 Nullable(Enum16('hello' = 1, 'world' = 2))) ENGINE=MergeTree(EventDate, (CounterID, EventDate), 8192)", 0, -1),
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std::make_tuple<std::string, int>("INSERT INTO table2 SELECT 1,'2022-06-23', 0, 1, 2, 3, 4, 5, 6, 7, 'hello', 'world'", 0, -1),
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std::make_tuple<std::string, int>("INSERT INTO table2 SELECT 1,'2022-06-23', 1, 2, 3, 4, 5, 6, 7, 'hello', 'world'", 1148, -1), // incorrect number of values
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std::make_tuple<std::string, int>("INSERT INTO table2 SELECT 1,'2022-06-23', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL", 1148, -1), // col0 can't be null
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std::make_tuple<std::string, int>("INSERT INTO table2 SELECT 1,'2022-06-23', 1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL", 0, -1),
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std::make_tuple<std::string, int>("SELECT * FROM table2 ORDER BY CounterID", 0, 2),
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std::make_tuple<std::string, int>("DESC table2", 0, 12),
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std::make_tuple<std::string, int>("SHOW COLUMNS FROM table2", 0, 12),
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};
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std::vector<query_spec> queries_set3 {
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std::make_tuple<std::string, int>("SHOW FULL TABLES FROM `default`", 0, 2), // table1 and table2
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std::make_tuple<std::string, int>("SHOW CHARSET", 0, 42),
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std::make_tuple<std::string, int>("SET AUTOCOMMIT=0", 0, -1),
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std::make_tuple<std::string, int>("SET foreign_key_checks=0", 0, -1),
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std::make_tuple<std::string, int>("/*!40101 SET whatever", 0, -1),
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std::make_tuple<std::string, int>("SET NAMES utf8", 0, -1),
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std::make_tuple<std::string, int>("SET WAIT_TIMEOUT=10", 0, -1),
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std::make_tuple<std::string, int>("SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED", 0, -1),
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std::make_tuple<std::string, int>("SET SQL_SAFE_UPDATES = OFF", 0, -1),
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std::make_tuple<std::string, int>("SET SQL_AUTO_IS_NULL = OFF", 0, -1),
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std::make_tuple<std::string, int>("SHOW GLOBAL VARIABLES", 0, 6),
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std::make_tuple<std::string, int>("SHOW ALL VARIABLES", 0, 6),
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std::make_tuple<std::string, int>("SHOW GLOBAL STATUS", 0, 6),
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std::make_tuple<std::string, int>("SHOW ENGINES", 0, 1),
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std::make_tuple<std::string, int>("SHOW VARIABLES LIKE 'lower_case_table_names'", 0, 1),
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std::make_tuple<std::string, int>("SELECT * FROM INFORMATION_SCHEMA.COLLATIONS", 0, 375),
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std::make_tuple<std::string, int>("SHOW COLLATION", 0, 375),
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std::make_tuple<std::string, int>("SHOW CHARSET", 0, 42),
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std::make_tuple<std::string, int>("SELECT * FROM INFORMATION_SCHEMA.CHARACTER_SETS", 0, 42),
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std::make_tuple<std::string, int>("SELECT @@collation_server", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@character_set_results", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@have_profiling", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@lower_case_table_names", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@version, @@version_comment", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@storage_engine", 0, 1),
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std::make_tuple<std::string, int>("SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`", 0, 4),
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std::make_tuple<std::string, int>("select name, type FROM mysql.proc where db='default'", 0, 0),
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std::make_tuple<std::string, int>("SELECT logfile_group_name FROM information_schema.FILES", 0, 0),
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std::make_tuple<std::string, int>("SELECT tablespace_name FROM information_schema.FILES", 0, 0),
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std::make_tuple<std::string, int>("SELECT CONNECTION_ID()", 0, 1),
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std::make_tuple<std::string, int>("select @@version_comment limit 1", 0, 1),
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std::make_tuple<std::string, int>("select DATABASE(), USER() limit 1", 0, 1),
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std::make_tuple<std::string, int>("select @@character_set_client, @@character_set_connection, @@character_set_server, @@character_set_database limit 1", 0, 1),
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std::make_tuple<std::string, int>("SELECT @@version", 0, 1),
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std::make_tuple<std::string, int>("SHOW TABLES FROM default", 0, 2),
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std::make_tuple<std::string, int>("SELECT DATABASE() AS name", 0, 1),
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std::make_tuple<std::string, int>("SHOW MASTER STATUS", 1045, -1),
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std::make_tuple<std::string, int>("SHOW SLAVE STATUS", 1045, -1),
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std::make_tuple<std::string, int>("SHOW MASTER LOGS", 1045, -1),
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std::make_tuple<std::string, int>("LOCK TABLE table1", 0, -1),
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std::make_tuple<std::string, int>("UNLOCK TABLE table1", 0, -1),
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};
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/**
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* @brief Perform several admin queries to exercise more paths.
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*/
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std::vector<std::string> admin_queries {
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"LOAD CLICKHOUSE VARIABLES FROM DISK",
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"LOAD CLICKHOUSE VARIABLES TO RUNTIME",
|
|
"SAVE CLICKHOUSE VARIABLES FROM RUNTIME",
|
|
"SAVE CLICKHOUSE VARIABLES TO DISK"
|
|
};
|
|
|
|
/**
|
|
* @brief Perform several admin queries to exercise more paths.
|
|
*/
|
|
std::vector<std::string> ch_intf_queries {
|
|
"SET clickhouse-mysql_ifaces='127.0.0.1:6091'",
|
|
"LOAD CLICKHOUSE VARIABLES TO RUNTIME"
|
|
};
|
|
|
|
int main(int argc, char** argv) {
|
|
CommandLine cl;
|
|
|
|
// plan as many tests as queries
|
|
plan(
|
|
crash_loops
|
|
+ 2 /* Fail to connect with wrong username and password */
|
|
+ 4 // during LOAD USERS TO RUNTIME
|
|
+ 4 // during LOAD USERS TO RUNTIME , second time
|
|
+ queries_set1.size()
|
|
+ queries_set2.size()
|
|
+ queries_set3.size()
|
|
+ admin_queries.size() + ch_intf_queries.size()
|
|
+ 1 /* Connect to new setup interface */
|
|
);
|
|
|
|
if (cl.getEnv()) {
|
|
diag("Failed to get the required environmental variables.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
MYSQL* proxysql_admin = mysql_init(NULL);
|
|
|
|
// Connect to ProxySQL Admin and check current clickhouse configuration
|
|
if (
|
|
!mysql_real_connect(
|
|
proxysql_admin, cl.host, cl.admin_username, cl.admin_password,
|
|
NULL, cl.admin_port, NULL, 0
|
|
)
|
|
) {
|
|
fprintf(
|
|
stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__,
|
|
mysql_error(proxysql_admin)
|
|
);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
|
|
create_users(proxysql_admin);
|
|
create_users(proxysql_admin); // to trigger more code coverage
|
|
|
|
|
|
{
|
|
std::pair<std::string, int> host_port {};
|
|
int host_port_err = extract_module_host_port(proxysql_admin, "clickhouse-mysql_ifaces", host_port);
|
|
if (host_port_err) {
|
|
diag("Failed to get and parse 'clickhouse-mysql_ifaces' at line '%d'", __LINE__);
|
|
goto cleanup;
|
|
}
|
|
|
|
set_clickhouse_port(proxysql_admin,8000);
|
|
test_crash(host_port.first.c_str(), host_port.second);
|
|
set_clickhouse_port(proxysql_admin,19000);
|
|
|
|
MYSQL* proxysql_clickhouse = mysql_init(NULL);
|
|
|
|
// Connect with invalid username
|
|
std::string inv_user_err {};
|
|
bool failed_to_connect = false;
|
|
if (
|
|
!mysql_real_connect(
|
|
proxysql_clickhouse, host_port.first.c_str(), "foobar_user", cl.password,
|
|
NULL, host_port.second, NULL, 0
|
|
)
|
|
) {
|
|
inv_user_err = mysql_error(proxysql_clickhouse);
|
|
failed_to_connect = true;
|
|
}
|
|
|
|
ok(
|
|
failed_to_connect,
|
|
"An invalid user should fail to connect to Clickhouse server, error was: %s",
|
|
inv_user_err.c_str()
|
|
);
|
|
|
|
// Reinitialize MYSQL handle
|
|
mysql_close(proxysql_clickhouse);
|
|
proxysql_clickhouse = mysql_init(NULL);
|
|
|
|
// Connect with invalid password
|
|
std::string inv_pass_err {};
|
|
failed_to_connect = false;
|
|
if (
|
|
!mysql_real_connect(
|
|
proxysql_clickhouse, host_port.first.c_str(), credentials[0].first.c_str(), "foobar_pass",
|
|
NULL, host_port.second, NULL, 0
|
|
)
|
|
) {
|
|
inv_pass_err = mysql_error(proxysql_clickhouse);
|
|
failed_to_connect = true;
|
|
}
|
|
|
|
ok(
|
|
failed_to_connect,
|
|
"An invalid pass should fail to connect to Clickhouse server, error was: %s",
|
|
inv_pass_err.c_str()
|
|
);
|
|
|
|
// Reinitialize MYSQL handle
|
|
mysql_close(proxysql_clickhouse);
|
|
proxysql_clickhouse = mysql_init(NULL);
|
|
|
|
// Correctly connect to Clickhouse server
|
|
if (
|
|
!mysql_real_connect(
|
|
proxysql_clickhouse, host_port.first.c_str(), credentials[0].first.c_str(), credentials[0].second.c_str(),
|
|
NULL, host_port.second, NULL, 0
|
|
)
|
|
) {
|
|
fprintf(
|
|
stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__,
|
|
mysql_error(proxysql_clickhouse)
|
|
);
|
|
goto cleanup;
|
|
}
|
|
|
|
diag("Started performing queries set 1");
|
|
if (execute_and_check_queries(proxysql_clickhouse, queries_set1)) {
|
|
return exit_status();
|
|
}
|
|
|
|
diag("Started performing queries set 2");
|
|
if (execute_and_check_queries(proxysql_clickhouse, queries_set2)) {
|
|
return exit_status();
|
|
}
|
|
|
|
diag("Started performing queries set 3");
|
|
if (execute_and_check_queries(proxysql_clickhouse, queries_set3)) {
|
|
return exit_status();
|
|
}
|
|
|
|
// Reinitialize MYSQL handle
|
|
mysql_close(proxysql_clickhouse);
|
|
proxysql_clickhouse = mysql_init(NULL);
|
|
|
|
// Change Clickhouse interface and connect to new port
|
|
for (const auto& admin_query : ch_intf_queries) {
|
|
int query_err = mysql_query(proxysql_admin, admin_query.c_str());
|
|
ok(
|
|
query_err == 0, "Admin query '%s' should succeed. Line: %d, Err: '%s'",
|
|
admin_query.c_str(), __LINE__, mysql_error(proxysql_admin)
|
|
);
|
|
}
|
|
// NOTE: Wait for ProxySQL to reconfigure, changing Clickhous interface.
|
|
// Trying to perform a connection immediately after changing the
|
|
// interface could lead to 'EADDRINUSE' in ProxySQL side.
|
|
// UPDATE: Timeout increased to '5' seconds to avoid previously described issue.
|
|
sleep(5);
|
|
|
|
// Connect to the new interface
|
|
std::pair<std::string, int> new_host_port {};
|
|
int ext_intf_err = extract_module_host_port(proxysql_admin, "clickhouse-mysql_ifaces", new_host_port);
|
|
if (ext_intf_err) {
|
|
diag("Failed to get and parse 'clickhouse-mysql_ifaces' at line '%d'", __LINE__);
|
|
goto cleanup;
|
|
}
|
|
|
|
// Connect with invalid username
|
|
bool success_to_connect = true;
|
|
std::string new_intf_conn_err {};
|
|
if (
|
|
!mysql_real_connect(
|
|
proxysql_clickhouse, new_host_port.first.c_str(), credentials[1].first.c_str(), credentials[1].second.c_str(),
|
|
NULL, new_host_port.second, NULL, 0
|
|
)
|
|
) {
|
|
new_intf_conn_err = mysql_error(proxysql_clickhouse);
|
|
success_to_connect = false;
|
|
}
|
|
|
|
ok(
|
|
success_to_connect,
|
|
"A connection to the new selected interface should success, error was: '%s'",
|
|
new_intf_conn_err.c_str()
|
|
);
|
|
|
|
mysql_close(proxysql_clickhouse);
|
|
|
|
// Perform the final Admin queries
|
|
for (const auto& admin_query : admin_queries) {
|
|
int query_err = mysql_query(proxysql_admin, admin_query.c_str());
|
|
ok(
|
|
query_err == 0, "Admin query '%s' should succeed. Line: %d, Err: '%s'",
|
|
admin_query.c_str(), __LINE__, mysql_error(proxysql_admin)
|
|
);
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
|
|
mysql_close(proxysql_admin);
|
|
|
|
return exit_status();
|
|
}
|