diff options
Diffstat (limited to 'sql/sql_prepare.cc')
-rw-r--r-- | sql/sql_prepare.cc | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc index 1a3c4f4f8ae..efe5eb43121 100644 --- a/sql/sql_prepare.cc +++ b/sql/sql_prepare.cc @@ -1,4 +1,5 @@ /* Copyright (c) 2002, 2010, Oracle and/or its affiliates. + Copyright (c) 2009-2011, Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -2734,6 +2735,32 @@ void mysql_sql_stmt_close(THD *thd) } } + +class Set_longdata_error_handler : public Internal_error_handler +{ +public: + Set_longdata_error_handler(Prepared_statement *statement) + : stmt(statement) + { } + +public: + bool handle_error(uint sql_errno, + const char *message, + MYSQL_ERROR::enum_warning_level level, + THD *) + { + stmt->state= Query_arena::ERROR; + stmt->last_errno= sql_errno; + strnmov(stmt->last_error, message, MYSQL_ERRMSG_SIZE); + + return TRUE; + } + +private: + Prepared_statement *stmt; +}; + + /** Handle long data in pieces from client. @@ -2790,16 +2817,19 @@ void mysql_stmt_get_longdata(THD *thd, char *packet, ulong packet_length) param= stmt->param_array[param_number]; + Set_longdata_error_handler err_handler(stmt); + /* + Install handler that will catch any errors that can be generated + during execution of Item_param::set_longdata() and propagate + them to Statement::last_error. + */ + thd->push_internal_handler(&err_handler); #ifndef EMBEDDED_LIBRARY - if (param->set_longdata(packet, (ulong) (packet_end - packet))) + param->set_longdata(packet, (ulong) (packet_end - packet)); #else - if (param->set_longdata(thd->extra_data, thd->extra_length)) + param->set_longdata(thd->extra_data, thd->extra_length); #endif - { - stmt->state= Query_arena::ERROR; - stmt->last_errno= ER_OUTOFMEMORY; - sprintf(stmt->last_error, ER(ER_OUTOFMEMORY), 0); - } + thd->pop_internal_handler(); general_log_print(thd, thd->command, NullS); @@ -3261,6 +3291,13 @@ Prepared_statement::execute_loop(String *expanded_query, bool error; int reprepare_attempt= 0; + /* Check if we got an error when sending long data */ + if (state == Query_arena::ERROR) + { + my_message(last_errno, last_error, MYF(0)); + return TRUE; + } + if (set_parameters(expanded_query, packet, packet_end)) return TRUE; @@ -3501,12 +3538,6 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor) status_var_increment(thd->status_var.com_stmt_execute); - /* Check if we got an error when sending long data */ - if (state == Query_arena::ERROR) - { - my_message(last_errno, last_error, MYF(0)); - return TRUE; - } if (flags & (uint) IS_IN_USE) { my_error(ER_PS_NO_RECURSION, MYF(0)); |