3a1c2119fb
Large session commands weren't properly handled which caused the router to think that the trailing end of a multi-packet query was actually a new query. This cannot be confidently solved in 2.2 which is why the router session is now closed the moment a large session command is noticed.
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
/**
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* MXS-1804: request 16M-1 stmt_prepare command packet connect hang
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*
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* https://jira.mariadb.org/browse/MXS-1804
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*/
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#include "testconnections.h"
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int sql_str_size(int sqlsize)
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{
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char prefx[] = "select ''";
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return sqlsize - strlen(prefx) - 1;
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}
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void gen_select_sqlstr(char *sqlstr, unsigned int strsize, int sqlsize)
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{
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strcpy(sqlstr, "select '");
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memset(sqlstr + strlen("select '"), 'f', strsize);
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sqlstr[sqlsize - 2] = '\'';
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sqlstr[sqlsize - 1] = '\0';
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}
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int main(int argc, char** argv)
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{
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TestConnections test(argc, argv);
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int sqlsize = 16777215;
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int strsize = sql_str_size(sqlsize);
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char* sqlstr = (char *)malloc(sqlsize);
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gen_select_sqlstr(sqlstr, strsize, sqlsize);
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test.set_timeout(30);
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test.maxscales->connect();
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MYSQL_STMT* stmt = mysql_stmt_init(test.maxscales->conn_rwsplit[0]);
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test.assert(mysql_stmt_prepare(stmt, sqlstr, strlen(sqlstr)) != 0, "Prepare should fail in 2.2 but not hang",
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mysql_stmt_error(stmt));
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mysql_stmt_close(stmt);
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return test.global_result;
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}
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