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MXS-1824: Add test case

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Added a test case that reproduces the problem and verifies that it is
fixed.
This commit is contained in:
Markus Mäkelä
2018-04-25 09:47:44 +03:00
parent 0df326d581
commit a155d1085c
2 changed files with 70 additions and 0 deletions
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4
maxscale-system-test/CMakeLists.txt
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@ -656,6 +656,10 @@ add_test_executable(mxs1804_long_ps_hang.cpp mxs1804_long_ps_hang replication LA
# https://jira.mariadb.org/browse/MXS-1808 # https://jira.mariadb.org/browse/MXS-1808
add_test_executable(mxs1808_long_data.cpp mxs1808_long_data replication LABELS readwritesplit REPL_BACKEND) add_test_executable(mxs1808_long_data.cpp mxs1808_long_data replication LABELS readwritesplit REPL_BACKEND)
# MXS-1824: Debug assertion with two open cursors
# https://jira.mariadb.org/browse/MXS-1824
add_test_executable(mxs1824_double_cursor.cpp mxs1824_double_cursor replication LABELS readwritesplit REPL_BACKEND)
# 'namedserverfilter' test # 'namedserverfilter' test
add_test_executable(namedserverfilter.cpp namedserverfilter namedserverfilter LABELS namedserverfilter LIGHT REPL_BACKEND) add_test_executable(namedserverfilter.cpp namedserverfilter namedserverfilter LABELS namedserverfilter LIGHT REPL_BACKEND)

66
maxscale-system-test/mxs1824_double_cursor.cpp Normal file
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@ -0,0 +1,66 @@
/**
* MXS-1824: Debug assertion with two open cursors
*
* https://jira.mariadb.org/browse/MXS-1824
*/
#include "testconnections.h"
void double_cursor(TestConnections& test, MYSQL* conn)
{
test.try_query(conn, "CREATE OR REPLACE TABLE test.t1(id int)");
test.try_query(conn, "INSERT INTO test.t1 VALUES (1), (2), (3)");
test.repl->connect();
test.repl->sync_slaves();
test.repl->disconnect();
MYSQL_STMT* stmt1 = mysql_stmt_init(conn);
const char* query = "SELECT id FROM test.t1";
int rc = mysql_stmt_prepare(stmt1, query, strlen(query));
test.assert(rc == 0, "Prepare should work: %s %s", mysql_stmt_error(stmt1), mysql_error(conn));
int type = CURSOR_TYPE_READ_ONLY;
mysql_stmt_attr_set(stmt1, STMT_ATTR_CURSOR_TYPE, &type);
MYSQL_BIND bind[1] {};
uint32_t id;
bind[0].buffer_type = MYSQL_TYPE_LONG;
bind[0].buffer = &id;
mysql_stmt_bind_result(stmt1, bind);
test.assert(mysql_stmt_execute(stmt1) == 0, "Execute of first statement should work: %s %s",
mysql_stmt_error(stmt1), mysql_error(conn));
test.assert(mysql_stmt_fetch(stmt1) == 0, "First fetch should work: %s %s",
mysql_stmt_error(stmt1), mysql_error(conn));
MYSQL_STMT* stmt2 = mysql_stmt_init(conn);
rc = mysql_stmt_prepare(stmt2, query, strlen(query));
test.assert(rc == 0, "Prepare should work: %s %s", mysql_stmt_error(stmt2), mysql_error(conn));
mysql_stmt_attr_set(stmt2, STMT_ATTR_CURSOR_TYPE, &type);
mysql_stmt_bind_result(stmt2, bind);
test.assert(mysql_stmt_execute(stmt2) == 0, "Execute of second statement should work: %s %s",
mysql_stmt_error(stmt2), mysql_error(conn));
test.assert(mysql_stmt_fetch(stmt2) == 0, "Second fetch should work: %s %s", mysql_stmt_error(stmt2),
mysql_error(conn));
mysql_stmt_reset(stmt2);
test.assert(mysql_stmt_fetch(stmt1) == 0, "Third fetch should work: %s %s", mysql_stmt_error(stmt1),
mysql_error(conn));
mysql_stmt_close(stmt1);
mysql_stmt_close(stmt2);
test.try_query(conn, "DROP TABLE test.t1");
}
int main(int argc, char** argv)
{
TestConnections test(argc, argv);
test.maxscales->connect();
double_cursor(test, test.maxscales->conn_rwsplit[0]);
test.maxscales->disconnect();
return test.global_result;
}