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CONC-533: Support for asynchronous statements (binary protocol)

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Added a new option MARIADB_OPT_SKIP_READ_RESPONSE which skips automatic
reading of server response after sending a command to the server.

Server packets have to be retrieved by calling the corresponding methods,
e.g:

Send command                         Read method
mysql_real_query/mysql_send_query    db_read_query_result
mysql_stmt_prepare                   db_read_prepare_response
mysql_stmt_execute,
mariadb_stmt_execute_direct          db_read_execute_response
This commit is contained in:
Georg Richter
2021-05-13 21:21:43 +02:00
parent 304353c3a4
commit e4e5b28452
7 changed files with 141 additions and 92 deletions
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58
unittest/libmariadb/misc.c
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@@ -1463,7 +1463,65 @@ static int test_conc458(MYSQL *my __attribute__((unused)))
}
static int test_conc533(MYSQL *mysql)
{
my_bool skip= 1;
int rc;
MYSQL_RES *result;
MYSQL_ROW row;
MYSQL_STMT *stmt;
MYSQL_BIND bind[1];
char buffer[10];
rc= mysql_options(mysql, MARIADB_OPT_SKIP_READ_RESPONSE, &skip);
rc= mysql_real_query(mysql, SL("SELECT 1"));
check_mysql_rc(rc, mysql);
rc= mysql->methods->db_read_query_result(mysql);
check_mysql_rc(rc, mysql);
result= mysql_store_result(mysql);
row= mysql_fetch_row(result);
FAIL_IF(strcmp(row[0], "1"), "Expected value \"1\"");
mysql_free_result(result);
stmt= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(stmt, SL("SELECT 1"));
check_stmt_rc(rc, stmt);
rc= mysql->methods->db_read_prepare_response(stmt);
check_stmt_rc(rc, stmt);
FAIL_IF(mysql_stmt_field_count(stmt) != 1, "Expected field_count= 1");
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
rc= mysql->methods->db_read_execute_response(stmt);
check_stmt_rc(rc, stmt);
memset(bind, 0, sizeof(MYSQL_BIND));
bind[0].buffer= buffer;
bind[0].buffer_type= MYSQL_TYPE_STRING;
bind[0].buffer_length= 10;
rc= mysql_stmt_bind_result(stmt, bind);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
check_stmt_rc(rc, stmt);
FAIL_IF(strcmp(buffer, "1"), "Expected value \"1\"");
mysql_stmt_close(stmt);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_conc533", test_conc533, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc458", test_conc458, TEST_CONNECTION_NONE, 0, NULL, NULL},
{"test_conc457", test_conc457, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_conc384", test_conc384, TEST_CONNECTION_NONE, 0, NULL, NULL},